+
+ Mnemonics with less than 12 words have low entropy and may be guessed by an attacker.
+
+
@@ -6970,6 +6975,11 @@ button.close {
+
+
+ The mnemonic will appear more secure than it really is.
+
+
@@ -7475,7 +7485,7 @@ button.close {
Encrypt private keys using BIP38 and this password:
- Enabling BIP38 means each key will take take several minutes to generate.
+ Enabling BIP38 means each key will take several minutes to generate.
@@ -33218,19 +33228,13 @@ function hasOwnProperty(obj, prop) {
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./support/isBuffer":32,"_process":13,"inherits":31}],34:[function(require,module,exports){
-bitcoin = {
- base58: require('bs58'),
- bitcoin: require('bitcoinjs-lib'),
- ecurve: require('ecurve'),
- BigInteger: require('bigi'),
- Buffer: require('buffer'),
- elliptic: require('elliptic'),
- bs58check: require('bs58check'),
+let bitcoin = require('bitcoinjs-lib');
+
+module.exports = {
+ bitcoin
}
-module.exports = bitcoin;
-
-},{"bigi":39,"bitcoinjs-lib":52,"bs58":83,"bs58check":85,"buffer":5,"ecurve":94,"elliptic":97}],35:[function(require,module,exports){
+},{"bitcoinjs-lib":52}],35:[function(require,module,exports){
// base-x encoding
// Forked from https://github.com/cryptocoinjs/bs58
// Originally written by Mike Hearn for BitcoinJ
@@ -33274,7 +33278,7 @@ module.exports = function base (ALPHABET) {
var string = ''
// deal with leading zeros
- for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += ALPHABET[0]
+ for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += LEADER
// convert digits to a string
for (var q = digits.length - 1; q >= 0; --q) string += ALPHABET[digits[q]]
@@ -33282,6 +33286,7 @@ module.exports = function base (ALPHABET) {
}
function decodeUnsafe (string) {
+ if (typeof string !== 'string') throw new TypeError('Expected String')
if (string.length === 0) return Buffer.allocUnsafe(0)
var bytes = [0]
@@ -33323,21 +33328,21 @@ module.exports = function base (ALPHABET) {
}
}
-},{"safe-buffer":128}],36:[function(require,module,exports){
+},{"safe-buffer":101}],36:[function(require,module,exports){
'use strict'
-let ALPHABET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l'
+var ALPHABET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l'
// pre-compute lookup table
-let ALPHABET_MAP = {}
-for (let z = 0; z < ALPHABET.length; z++) {
- let x = ALPHABET.charAt(z)
+var ALPHABET_MAP = {}
+for (var z = 0; z < ALPHABET.length; z++) {
+ var x = ALPHABET.charAt(z)
if (ALPHABET_MAP[x] !== undefined) throw new TypeError(x + ' is ambiguous')
ALPHABET_MAP[x] = z
}
function polymodStep (pre) {
- let b = pre >> 25
+ var b = pre >> 25
return ((pre & 0x1FFFFFF) << 5) ^
(-((b >> 0) & 1) & 0x3b6a57b2) ^
(-((b >> 1) & 1) & 0x26508e6d) ^
@@ -33347,73 +33352,76 @@ function polymodStep (pre) {
}
function prefixChk (prefix) {
- let chk = 1
- for (let i = 0; i < prefix.length; ++i) {
- let c = prefix.charCodeAt(i)
+ var chk = 1
+ for (var i = 0; i < prefix.length; ++i) {
+ var c = prefix.charCodeAt(i)
if (c < 33 || c > 126) throw new Error('Invalid prefix (' + prefix + ')')
chk = polymodStep(chk) ^ (c >> 5)
}
chk = polymodStep(chk)
- for (let i = 0; i < prefix.length; ++i) {
- let v = prefix.charCodeAt(i)
+ for (i = 0; i < prefix.length; ++i) {
+ var v = prefix.charCodeAt(i)
chk = polymodStep(chk) ^ (v & 0x1f)
}
return chk
}
-function encode (prefix, words) {
- // too long?
- if ((prefix.length + 7 + words.length) > 90) throw new TypeError('Exceeds Bech32 maximum length')
+function encode (prefix, words, LIMIT) {
+ LIMIT = LIMIT || 90
+ if ((prefix.length + 7 + words.length) > LIMIT) throw new TypeError('Exceeds length limit')
+
prefix = prefix.toLowerCase()
// determine chk mod
- let chk = prefixChk(prefix)
- let result = prefix + '1'
- for (let i = 0; i < words.length; ++i) {
- let x = words[i]
+ var chk = prefixChk(prefix)
+ var result = prefix + '1'
+ for (var i = 0; i < words.length; ++i) {
+ var x = words[i]
if ((x >> 5) !== 0) throw new Error('Non 5-bit word')
chk = polymodStep(chk) ^ x
result += ALPHABET.charAt(x)
}
- for (let i = 0; i < 6; ++i) {
+ for (i = 0; i < 6; ++i) {
chk = polymodStep(chk)
}
chk ^= 1
- for (let i = 0; i < 6; ++i) {
- let v = (chk >> ((5 - i) * 5)) & 0x1f
+ for (i = 0; i < 6; ++i) {
+ var v = (chk >> ((5 - i) * 5)) & 0x1f
result += ALPHABET.charAt(v)
}
return result
}
-function decode (str) {
+function decode (str, LIMIT) {
+ LIMIT = LIMIT || 90
if (str.length < 8) throw new TypeError(str + ' too short')
- if (str.length > 90) throw new TypeError(str + ' too long')
+ if (str.length > LIMIT) throw new TypeError('Exceeds length limit')
// don't allow mixed case
- let lowered = str.toLowerCase()
- let uppered = str.toUpperCase()
+ var lowered = str.toLowerCase()
+ var uppered = str.toUpperCase()
if (str !== lowered && str !== uppered) throw new Error('Mixed-case string ' + str)
str = lowered
- let split = str.lastIndexOf('1')
+ var split = str.lastIndexOf('1')
+ if (split === -1) throw new Error('No separator character for ' + str)
if (split === 0) throw new Error('Missing prefix for ' + str)
- let prefix = str.slice(0, split)
- let wordChars = str.slice(split + 1)
+ var prefix = str.slice(0, split)
+ var wordChars = str.slice(split + 1)
if (wordChars.length < 6) throw new Error('Data too short')
- let chk = prefixChk(prefix)
- let words = []
- for (let i = 0; i < wordChars.length; ++i) {
- let c = wordChars.charAt(i)
- let v = ALPHABET_MAP[c]
+ var chk = prefixChk(prefix)
+ var words = []
+ for (var i = 0; i < wordChars.length; ++i) {
+ var c = wordChars.charAt(i)
+ var v = ALPHABET_MAP[c]
if (v === undefined) throw new Error('Unknown character ' + c)
chk = polymodStep(chk) ^ v
@@ -33423,16 +33431,16 @@ function decode (str) {
}
if (chk !== 1) throw new Error('Invalid checksum for ' + str)
- return { prefix, words }
+ return { prefix: prefix, words: words }
}
function convert (data, inBits, outBits, pad) {
- let value = 0
- let bits = 0
- let maxV = (1 << outBits) - 1
+ var value = 0
+ var bits = 0
+ var maxV = (1 << outBits) - 1
- let result = []
- for (let i = 0; i < data.length; ++i) {
+ var result = []
+ for (var i = 0; i < data.length; ++i) {
value = (value << inBits) | data[i]
bits += inBits
@@ -33462,7 +33470,12 @@ function fromWords (words) {
return convert(words, 5, 8, false)
}
-module.exports = { decode, encode, toWords, fromWords }
+module.exports = {
+ decode: decode,
+ encode: encode,
+ toWords: toWords,
+ fromWords: fromWords
+}
},{}],37:[function(require,module,exports){
// (public) Constructor
@@ -35081,11 +35094,11 @@ module.exports = BigInteger
module.exports={
"_args": [
[
- "bigi",
- "/home/ian/git/bitcoin/bitcoinjs-lib-browser"
+ "bigi@^1.4.0",
+ "/home/ian/git/bitcoin/bitcoinjs-lib-browser/node_modules/bitcoinjs-lib"
]
],
- "_from": "bigi@latest",
+ "_from": "bigi@>=1.4.0 <2.0.0",
"_id": "bigi@1.4.2",
"_inCache": true,
"_installable": true,
@@ -35103,22 +35116,21 @@ module.exports={
"_phantomChildren": {},
"_requested": {
"name": "bigi",
- "raw": "bigi",
- "rawSpec": "",
+ "raw": "bigi@^1.4.0",
+ "rawSpec": "^1.4.0",
"scope": null,
- "spec": "latest",
- "type": "tag"
+ "spec": ">=1.4.0 <2.0.0",
+ "type": "range"
},
"_requiredBy": [
- "#USER",
"/bitcoinjs-lib",
"/ecurve"
],
"_resolved": "https://registry.npmjs.org/bigi/-/bigi-1.4.2.tgz",
"_shasum": "9c665a95f88b8b08fc05cfd731f561859d725825",
"_shrinkwrap": null,
- "_spec": "bigi",
- "_where": "/home/ian/git/bitcoin/bitcoinjs-lib-browser",
+ "_spec": "bigi@^1.4.0",
+ "_where": "/home/ian/git/bitcoin/bitcoinjs-lib-browser/node_modules/bitcoinjs-lib",
"bugs": {
"url": "https://github.com/cryptocoinjs/bigi/issues"
},
@@ -35319,7 +35331,7 @@ module.exports = {
encode: encode
}
-},{"safe-buffer":128}],42:[function(require,module,exports){
+},{"safe-buffer":101}],42:[function(require,module,exports){
module.exports={
"OP_FALSE": 0,
"OP_0": 0,
@@ -35328,8 +35340,8 @@ module.exports={
"OP_PUSHDATA4": 78,
"OP_1NEGATE": 79,
"OP_RESERVED": 80,
- "OP_1": 81,
"OP_TRUE": 81,
+ "OP_1": 81,
"OP_2": 82,
"OP_3": 83,
"OP_4": 84,
@@ -35434,10 +35446,13 @@ module.exports={
"OP_CHECKMULTISIGVERIFY": 175,
"OP_NOP1": 176,
+
"OP_NOP2": 177,
"OP_CHECKLOCKTIMEVERIFY": 177,
"OP_NOP3": 178,
+ "OP_CHECKSEQUENCEVERIFY": 178,
+
"OP_NOP4": 179,
"OP_NOP5": 180,
"OP_NOP6": 181,
@@ -35561,7 +35576,7 @@ module.exports = {
toOutputScript: toOutputScript
}
-},{"./networks":53,"./script":54,"./templates":56,"./types":80,"bech32":36,"bs58check":85,"safe-buffer":128,"typeforce":139}],45:[function(require,module,exports){
+},{"./networks":53,"./script":54,"./templates":56,"./types":80,"bech32":36,"bs58check":83,"safe-buffer":101,"typeforce":112}],45:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var bcrypto = require('./crypto')
var fastMerkleRoot = require('merkle-lib/fastRoot')
@@ -35740,7 +35755,7 @@ Block.prototype.checkProofOfWork = function () {
module.exports = Block
-},{"./crypto":47,"./transaction":78,"./types":80,"merkle-lib/fastRoot":122,"safe-buffer":128,"typeforce":139,"varuint-bitcoin":141}],46:[function(require,module,exports){
+},{"./crypto":47,"./transaction":78,"./types":80,"merkle-lib/fastRoot":97,"safe-buffer":101,"typeforce":112,"varuint-bitcoin":114}],46:[function(require,module,exports){
var pushdata = require('pushdata-bitcoin')
var varuint = require('varuint-bitcoin')
@@ -35798,7 +35813,7 @@ module.exports = {
writeVarInt: writeVarInt
}
-},{"pushdata-bitcoin":125,"varuint-bitcoin":141}],47:[function(require,module,exports){
+},{"pushdata-bitcoin":98,"varuint-bitcoin":114}],47:[function(require,module,exports){
var createHash = require('create-hash')
function ripemd160 (buffer) {
@@ -35829,7 +35844,7 @@ module.exports = {
sha256: sha256
}
-},{"create-hash":87}],48:[function(require,module,exports){
+},{"create-hash":85}],48:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var createHmac = require('create-hmac')
var typeforce = require('typeforce')
@@ -35992,7 +36007,7 @@ module.exports = {
__curve: secp256k1
}
-},{"./ecsignature":50,"./types":80,"bigi":39,"create-hmac":90,"ecurve":94,"safe-buffer":128,"typeforce":139}],49:[function(require,module,exports){
+},{"./ecsignature":50,"./types":80,"bigi":39,"create-hmac":88,"ecurve":92,"safe-buffer":101,"typeforce":112}],49:[function(require,module,exports){
var baddress = require('./address')
var bcrypto = require('./crypto')
var ecdsa = require('./ecdsa')
@@ -36125,7 +36140,7 @@ ECPair.prototype.verify = function (hash, signature) {
module.exports = ECPair
-},{"./address":44,"./crypto":47,"./ecdsa":48,"./networks":53,"./types":80,"bigi":39,"ecurve":94,"randombytes":126,"typeforce":139,"wif":142}],50:[function(require,module,exports){
+},{"./address":44,"./crypto":47,"./ecdsa":48,"./networks":53,"./types":80,"bigi":39,"ecurve":92,"randombytes":99,"typeforce":112,"wif":115}],50:[function(require,module,exports){
(function (Buffer){
var bip66 = require('bip66')
var typeforce = require('typeforce')
@@ -36226,7 +36241,7 @@ ECSignature.prototype.toScriptSignature = function (hashType) {
module.exports = ECSignature
}).call(this,require("buffer").Buffer)
-},{"./types":80,"bigi":39,"bip66":41,"buffer":5,"typeforce":139}],51:[function(require,module,exports){
+},{"./types":80,"bigi":39,"bip66":41,"buffer":5,"typeforce":112}],51:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var base58check = require('bs58check')
var bcrypto = require('./crypto')
@@ -36544,7 +36559,7 @@ HDNode.prototype.derivePath = function (path) {
module.exports = HDNode
-},{"./crypto":47,"./ecpair":49,"./networks":53,"./types":80,"bigi":39,"bs58check":85,"create-hmac":90,"ecurve":94,"safe-buffer":128,"typeforce":139}],52:[function(require,module,exports){
+},{"./crypto":47,"./ecpair":49,"./networks":53,"./types":80,"bigi":39,"bs58check":83,"create-hmac":88,"ecurve":92,"safe-buffer":101,"typeforce":112}],52:[function(require,module,exports){
var script = require('./script')
var templates = require('./templates')
@@ -36824,7 +36839,7 @@ module.exports = {
isDefinedHashType: isDefinedHashType
}
-},{"./script_number":55,"./types":80,"bip66":41,"bitcoin-ops":42,"bitcoin-ops/map":43,"pushdata-bitcoin":125,"safe-buffer":128,"typeforce":139}],55:[function(require,module,exports){
+},{"./script_number":55,"./types":80,"bip66":41,"bitcoin-ops":42,"bitcoin-ops/map":43,"pushdata-bitcoin":98,"safe-buffer":101,"typeforce":112}],55:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
function decode (buffer, maxLength, minimal) {
@@ -36894,7 +36909,7 @@ module.exports = {
encode: encode
}
-},{"safe-buffer":128}],56:[function(require,module,exports){
+},{"safe-buffer":101}],56:[function(require,module,exports){
var decompile = require('../script').decompile
var multisig = require('./multisig')
var nullData = require('./nulldata')
@@ -37032,6 +37047,7 @@ function encode (signatures, scriptPubKey) {
}
function decodeStack (stack, allowIncomplete) {
+ typeforce(typeforce.Array, stack)
typeforce(check, stack, allowIncomplete)
return stack.slice(1)
}
@@ -37049,7 +37065,7 @@ module.exports = {
encodeStack: encodeStack
}
-},{"../../script":54,"./output":59,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],59:[function(require,module,exports){
+},{"../../script":54,"./output":59,"bitcoin-ops":42,"safe-buffer":101,"typeforce":112}],59:[function(require,module,exports){
// m [pubKeys ...] n OP_CHECKMULTISIG
var bscript = require('../../script')
@@ -37115,7 +37131,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],60:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":112}],60:[function(require,module,exports){
// OP_RETURN {data}
var bscript = require('../script')
@@ -37151,7 +37167,7 @@ module.exports = {
}
}
-},{"../script":54,"../types":80,"bitcoin-ops":42,"typeforce":139}],61:[function(require,module,exports){
+},{"../script":54,"../types":80,"bitcoin-ops":42,"typeforce":112}],61:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"./input":62,"./output":63,"dup":57}],62:[function(require,module,exports){
// {signature}
@@ -37177,6 +37193,7 @@ function encode (signature) {
}
function decodeStack (stack) {
+ typeforce(typeforce.Array, stack)
typeforce(check, stack)
return stack[0]
}
@@ -37194,7 +37211,7 @@ module.exports = {
encodeStack: encodeStack
}
-},{"../../script":54,"typeforce":139}],63:[function(require,module,exports){
+},{"../../script":54,"typeforce":112}],63:[function(require,module,exports){
// {pubKey} OP_CHECKSIG
var bscript = require('../../script')
@@ -37229,7 +37246,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"bitcoin-ops":42,"typeforce":139}],64:[function(require,module,exports){
+},{"../../script":54,"bitcoin-ops":42,"typeforce":112}],64:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"./input":65,"./output":66,"dup":57}],65:[function(require,module,exports){
// {signature} {pubKey}
@@ -37263,6 +37280,7 @@ function encode (signature, pubKey) {
}
function decodeStack (stack) {
+ typeforce(typeforce.Array, stack)
typeforce(check, stack)
return {
@@ -37284,7 +37302,7 @@ module.exports = {
encodeStack: encodeStack
}
-},{"../../script":54,"typeforce":139}],66:[function(require,module,exports){
+},{"../../script":54,"typeforce":112}],66:[function(require,module,exports){
// OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG
var bscript = require('../../script')
@@ -37328,7 +37346,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],67:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":112}],67:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"./input":68,"./output":69,"dup":57}],68:[function(require,module,exports){
// {serialized scriptPubKey script}
@@ -37392,6 +37410,7 @@ function encode (redeemScriptSig, redeemScript) {
}
function decodeStack (stack) {
+ typeforce(typeforce.Array, stack)
typeforce(check, stack)
return {
@@ -37416,7 +37435,7 @@ module.exports = {
encodeStack: encodeStack
}
-},{"../../script":54,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"../witnesspubkeyhash/output":74,"../witnessscripthash/output":77,"safe-buffer":128,"typeforce":139}],69:[function(require,module,exports){
+},{"../../script":54,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"../witnesspubkeyhash/output":74,"../witnessscripthash/output":77,"safe-buffer":101,"typeforce":112}],69:[function(require,module,exports){
// OP_HASH160 {scriptHash} OP_EQUAL
var bscript = require('../../script')
@@ -37452,7 +37471,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],70:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":112}],70:[function(require,module,exports){
module.exports = {
output: require('./output')
}
@@ -37501,7 +37520,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],72:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"safe-buffer":101,"typeforce":112}],72:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"./input":73,"./output":74,"dup":57}],73:[function(require,module,exports){
// {signature} {pubKey}
@@ -37535,6 +37554,7 @@ function encodeStack (signature, pubKey) {
}
function decodeStack (stack) {
+ typeforce(typeforce.Array, stack)
typeforce(check, stack)
return {
@@ -37549,7 +37569,7 @@ module.exports = {
encodeStack: encodeStack
}
-},{"../../script":54,"typeforce":139}],74:[function(require,module,exports){
+},{"../../script":54,"typeforce":112}],74:[function(require,module,exports){
// OP_0 {pubKeyHash}
var bscript = require('../../script')
@@ -37584,7 +37604,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],75:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":112}],75:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"./input":76,"./output":77,"dup":57}],76:[function(require,module,exports){
(function (Buffer){
@@ -37638,11 +37658,12 @@ function encodeStack (witnessData, witnessScript) {
return [].concat(witnessData, witnessScript)
}
-function decodeStack (chunks) {
- typeforce(check, chunks)
+function decodeStack (stack) {
+ typeforce(typeforce.Array, stack)
+ typeforce(check, stack)
return {
- witnessData: chunks.slice(0, -1),
- witnessScript: chunks[chunks.length - 1]
+ witnessData: stack.slice(0, -1),
+ witnessScript: stack[stack.length - 1]
}
}
@@ -37653,7 +37674,7 @@ module.exports = {
}
}).call(this,{"isBuffer":require("../../../../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js")})
-},{"../../../../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"../../script":54,"../../types":80,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"typeforce":139}],77:[function(require,module,exports){
+},{"../../../../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"../../script":54,"../../types":80,"../multisig/":57,"../pubkey/":61,"../pubkeyhash/":64,"typeforce":112}],77:[function(require,module,exports){
// OP_0 {scriptHash}
var bscript = require('../../script')
@@ -37688,7 +37709,7 @@ module.exports = {
encode: encode
}
-},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":139}],78:[function(require,module,exports){
+},{"../../script":54,"../../types":80,"bitcoin-ops":42,"typeforce":112}],78:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var bcrypto = require('./crypto')
var bscript = require('./script')
@@ -38182,7 +38203,7 @@ Transaction.prototype.setWitness = function (index, witness) {
module.exports = Transaction
-},{"./bufferutils":46,"./crypto":47,"./script":54,"./types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139,"varuint-bitcoin":141}],79:[function(require,module,exports){
+},{"./bufferutils":46,"./crypto":47,"./script":54,"./types":80,"bitcoin-ops":42,"safe-buffer":101,"typeforce":112,"varuint-bitcoin":114}],79:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var baddress = require('./address')
var bcrypto = require('./crypto')
@@ -38654,7 +38675,7 @@ function TransactionBuilder (network, maximumFeeRate) {
this.network = network || networks.bitcoin
// WARNING: This is __NOT__ to be relied on, its just another potential safety mechanism (safety in-depth)
- this.maximumFeeRate = maximumFeeRate || 1000
+ this.maximumFeeRate = maximumFeeRate || 2500
this.inputs = []
this.tx = new Transaction()
@@ -38961,7 +38982,7 @@ TransactionBuilder.prototype.__overMaximumFees = function (bytes) {
module.exports = TransactionBuilder
-},{"./address":44,"./crypto":47,"./ecpair":49,"./ecsignature":50,"./networks":53,"./script":54,"./templates":56,"./transaction":78,"./types":80,"bitcoin-ops":42,"safe-buffer":128,"typeforce":139}],80:[function(require,module,exports){
+},{"./address":44,"./crypto":47,"./ecpair":49,"./ecsignature":50,"./networks":53,"./script":54,"./templates":56,"./transaction":78,"./types":80,"bitcoin-ops":42,"safe-buffer":101,"typeforce":112}],80:[function(require,module,exports){
var typeforce = require('typeforce')
var UINT31_MAX = Math.pow(2, 31) - 1
@@ -39016,3513 +39037,17 @@ for (var typeName in typeforce) {
module.exports = types
-},{"typeforce":139}],81:[function(require,module,exports){
-(function (module, exports) {
- 'use strict';
-
- // Utils
- function assert (val, msg) {
- if (!val) throw new Error(msg || 'Assertion failed');
- }
-
- // Could use `inherits` module, but don't want to move from single file
- // architecture yet.
- function inherits (ctor, superCtor) {
- ctor.super_ = superCtor;
- var TempCtor = function () {};
- TempCtor.prototype = superCtor.prototype;
- ctor.prototype = new TempCtor();
- ctor.prototype.constructor = ctor;
- }
-
- // BN
-
- function BN (number, base, endian) {
- if (BN.isBN(number)) {
- return number;
- }
-
- this.negative = 0;
- this.words = null;
- this.length = 0;
-
- // Reduction context
- this.red = null;
-
- if (number !== null) {
- if (base === 'le' || base === 'be') {
- endian = base;
- base = 10;
- }
-
- this._init(number || 0, base || 10, endian || 'be');
- }
- }
- if (typeof module === 'object') {
- module.exports = BN;
- } else {
- exports.BN = BN;
- }
-
- BN.BN = BN;
- BN.wordSize = 26;
-
- var Buffer;
- try {
- Buffer = require('buf' + 'fer').Buffer;
- } catch (e) {
- }
-
- BN.isBN = function isBN (num) {
- if (num instanceof BN) {
- return true;
- }
-
- return num !== null && typeof num === 'object' &&
- num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
- };
-
- BN.max = function max (left, right) {
- if (left.cmp(right) > 0) return left;
- return right;
- };
-
- BN.min = function min (left, right) {
- if (left.cmp(right) < 0) return left;
- return right;
- };
-
- BN.prototype._init = function init (number, base, endian) {
- if (typeof number === 'number') {
- return this._initNumber(number, base, endian);
- }
-
- if (typeof number === 'object') {
- return this._initArray(number, base, endian);
- }
-
- if (base === 'hex') {
- base = 16;
- }
- assert(base === (base | 0) && base >= 2 && base <= 36);
-
- number = number.toString().replace(/\s+/g, '');
- var start = 0;
- if (number[0] === '-') {
- start++;
- }
-
- if (base === 16) {
- this._parseHex(number, start);
- } else {
- this._parseBase(number, base, start);
- }
-
- if (number[0] === '-') {
- this.negative = 1;
- }
-
- this.strip();
-
- if (endian !== 'le') return;
-
- this._initArray(this.toArray(), base, endian);
- };
-
- BN.prototype._initNumber = function _initNumber (number, base, endian) {
- if (number < 0) {
- this.negative = 1;
- number = -number;
- }
- if (number < 0x4000000) {
- this.words = [ number & 0x3ffffff ];
- this.length = 1;
- } else if (number < 0x10000000000000) {
- this.words = [
- number & 0x3ffffff,
- (number / 0x4000000) & 0x3ffffff
- ];
- this.length = 2;
- } else {
- assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
- this.words = [
- number & 0x3ffffff,
- (number / 0x4000000) & 0x3ffffff,
- 1
- ];
- this.length = 3;
- }
-
- if (endian !== 'le') return;
-
- // Reverse the bytes
- this._initArray(this.toArray(), base, endian);
- };
-
- BN.prototype._initArray = function _initArray (number, base, endian) {
- // Perhaps a Uint8Array
- assert(typeof number.length === 'number');
- if (number.length <= 0) {
- this.words = [ 0 ];
- this.length = 1;
- return this;
- }
-
- this.length = Math.ceil(number.length / 3);
- this.words = new Array(this.length);
- for (var i = 0; i < this.length; i++) {
- this.words[i] = 0;
- }
-
- var j, w;
- var off = 0;
- if (endian === 'be') {
- for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
- w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
- this.words[j] |= (w << off) & 0x3ffffff;
- this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
- off += 24;
- if (off >= 26) {
- off -= 26;
- j++;
- }
- }
- } else if (endian === 'le') {
- for (i = 0, j = 0; i < number.length; i += 3) {
- w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
- this.words[j] |= (w << off) & 0x3ffffff;
- this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
- off += 24;
- if (off >= 26) {
- off -= 26;
- j++;
- }
- }
- }
- return this.strip();
- };
-
- function parseHex (str, start, end) {
- var r = 0;
- var len = Math.min(str.length, end);
- for (var i = start; i < len; i++) {
- var c = str.charCodeAt(i) - 48;
-
- r <<= 4;
-
- // 'a' - 'f'
- if (c >= 49 && c <= 54) {
- r |= c - 49 + 0xa;
-
- // 'A' - 'F'
- } else if (c >= 17 && c <= 22) {
- r |= c - 17 + 0xa;
-
- // '0' - '9'
- } else {
- r |= c & 0xf;
- }
- }
- return r;
- }
-
- BN.prototype._parseHex = function _parseHex (number, start) {
- // Create possibly bigger array to ensure that it fits the number
- this.length = Math.ceil((number.length - start) / 6);
- this.words = new Array(this.length);
- for (var i = 0; i < this.length; i++) {
- this.words[i] = 0;
- }
-
- var j, w;
- // Scan 24-bit chunks and add them to the number
- var off = 0;
- for (i = number.length - 6, j = 0; i >= start; i -= 6) {
- w = parseHex(number, i, i + 6);
- this.words[j] |= (w << off) & 0x3ffffff;
- // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
- this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
- off += 24;
- if (off >= 26) {
- off -= 26;
- j++;
- }
- }
- if (i + 6 !== start) {
- w = parseHex(number, start, i + 6);
- this.words[j] |= (w << off) & 0x3ffffff;
- this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
- }
- this.strip();
- };
-
- function parseBase (str, start, end, mul) {
- var r = 0;
- var len = Math.min(str.length, end);
- for (var i = start; i < len; i++) {
- var c = str.charCodeAt(i) - 48;
-
- r *= mul;
-
- // 'a'
- if (c >= 49) {
- r += c - 49 + 0xa;
-
- // 'A'
- } else if (c >= 17) {
- r += c - 17 + 0xa;
-
- // '0' - '9'
- } else {
- r += c;
- }
- }
- return r;
- }
-
- BN.prototype._parseBase = function _parseBase (number, base, start) {
- // Initialize as zero
- this.words = [ 0 ];
- this.length = 1;
-
- // Find length of limb in base
- for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
- limbLen++;
- }
- limbLen--;
- limbPow = (limbPow / base) | 0;
-
- var total = number.length - start;
- var mod = total % limbLen;
- var end = Math.min(total, total - mod) + start;
-
- var word = 0;
- for (var i = start; i < end; i += limbLen) {
- word = parseBase(number, i, i + limbLen, base);
-
- this.imuln(limbPow);
- if (this.words[0] + word < 0x4000000) {
- this.words[0] += word;
- } else {
- this._iaddn(word);
- }
- }
-
- if (mod !== 0) {
- var pow = 1;
- word = parseBase(number, i, number.length, base);
-
- for (i = 0; i < mod; i++) {
- pow *= base;
- }
-
- this.imuln(pow);
- if (this.words[0] + word < 0x4000000) {
- this.words[0] += word;
- } else {
- this._iaddn(word);
- }
- }
- };
-
- BN.prototype.copy = function copy (dest) {
- dest.words = new Array(this.length);
- for (var i = 0; i < this.length; i++) {
- dest.words[i] = this.words[i];
- }
- dest.length = this.length;
- dest.negative = this.negative;
- dest.red = this.red;
- };
-
- BN.prototype.clone = function clone () {
- var r = new BN(null);
- this.copy(r);
- return r;
- };
-
- BN.prototype._expand = function _expand (size) {
- while (this.length < size) {
- this.words[this.length++] = 0;
- }
- return this;
- };
-
- // Remove leading `0` from `this`
- BN.prototype.strip = function strip () {
- while (this.length > 1 && this.words[this.length - 1] === 0) {
- this.length--;
- }
- return this._normSign();
- };
-
- BN.prototype._normSign = function _normSign () {
- // -0 = 0
- if (this.length === 1 && this.words[0] === 0) {
- this.negative = 0;
- }
- return this;
- };
-
- BN.prototype.inspect = function inspect () {
- return (this.red ? '';
- };
-
- /*
-
- var zeros = [];
- var groupSizes = [];
- var groupBases = [];
-
- var s = '';
- var i = -1;
- while (++i < BN.wordSize) {
- zeros[i] = s;
- s += '0';
- }
- groupSizes[0] = 0;
- groupSizes[1] = 0;
- groupBases[0] = 0;
- groupBases[1] = 0;
- var base = 2 - 1;
- while (++base < 36 + 1) {
- var groupSize = 0;
- var groupBase = 1;
- while (groupBase < (1 << BN.wordSize) / base) {
- groupBase *= base;
- groupSize += 1;
- }
- groupSizes[base] = groupSize;
- groupBases[base] = groupBase;
- }
-
- */
-
- var zeros = [
- '',
- '0',
- '00',
- '000',
- '0000',
- '00000',
- '000000',
- '0000000',
- '00000000',
- '000000000',
- '0000000000',
- '00000000000',
- '000000000000',
- '0000000000000',
- '00000000000000',
- '000000000000000',
- '0000000000000000',
- '00000000000000000',
- '000000000000000000',
- '0000000000000000000',
- '00000000000000000000',
- '000000000000000000000',
- '0000000000000000000000',
- '00000000000000000000000',
- '000000000000000000000000',
- '0000000000000000000000000'
- ];
-
- var groupSizes = [
- 0, 0,
- 25, 16, 12, 11, 10, 9, 8,
- 8, 7, 7, 7, 7, 6, 6,
- 6, 6, 6, 6, 6, 5, 5,
- 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5
- ];
-
- var groupBases = [
- 0, 0,
- 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
- 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
- 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
- 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
- 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
- ];
-
- BN.prototype.toString = function toString (base, padding) {
- base = base || 10;
- padding = padding | 0 || 1;
-
- var out;
- if (base === 16 || base === 'hex') {
- out = '';
- var off = 0;
- var carry = 0;
- for (var i = 0; i < this.length; i++) {
- var w = this.words[i];
- var word = (((w << off) | carry) & 0xffffff).toString(16);
- carry = (w >>> (24 - off)) & 0xffffff;
- if (carry !== 0 || i !== this.length - 1) {
- out = zeros[6 - word.length] + word + out;
- } else {
- out = word + out;
- }
- off += 2;
- if (off >= 26) {
- off -= 26;
- i--;
- }
- }
- if (carry !== 0) {
- out = carry.toString(16) + out;
- }
- while (out.length % padding !== 0) {
- out = '0' + out;
- }
- if (this.negative !== 0) {
- out = '-' + out;
- }
- return out;
- }
-
- if (base === (base | 0) && base >= 2 && base <= 36) {
- // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
- var groupSize = groupSizes[base];
- // var groupBase = Math.pow(base, groupSize);
- var groupBase = groupBases[base];
- out = '';
- var c = this.clone();
- c.negative = 0;
- while (!c.isZero()) {
- var r = c.modn(groupBase).toString(base);
- c = c.idivn(groupBase);
-
- if (!c.isZero()) {
- out = zeros[groupSize - r.length] + r + out;
- } else {
- out = r + out;
- }
- }
- if (this.isZero()) {
- out = '0' + out;
- }
- while (out.length % padding !== 0) {
- out = '0' + out;
- }
- if (this.negative !== 0) {
- out = '-' + out;
- }
- return out;
- }
-
- assert(false, 'Base should be between 2 and 36');
- };
-
- BN.prototype.toNumber = function toNumber () {
- var ret = this.words[0];
- if (this.length === 2) {
- ret += this.words[1] * 0x4000000;
- } else if (this.length === 3 && this.words[2] === 0x01) {
- // NOTE: at this stage it is known that the top bit is set
- ret += 0x10000000000000 + (this.words[1] * 0x4000000);
- } else if (this.length > 2) {
- assert(false, 'Number can only safely store up to 53 bits');
- }
- return (this.negative !== 0) ? -ret : ret;
- };
-
- BN.prototype.toJSON = function toJSON () {
- return this.toString(16);
- };
-
- BN.prototype.toBuffer = function toBuffer (endian, length) {
- assert(typeof Buffer !== 'undefined');
- return this.toArrayLike(Buffer, endian, length);
- };
-
- BN.prototype.toArray = function toArray (endian, length) {
- return this.toArrayLike(Array, endian, length);
- };
-
- BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
- var byteLength = this.byteLength();
- var reqLength = length || Math.max(1, byteLength);
- assert(byteLength <= reqLength, 'byte array longer than desired length');
- assert(reqLength > 0, 'Requested array length <= 0');
-
- this.strip();
- var littleEndian = endian === 'le';
- var res = new ArrayType(reqLength);
-
- var b, i;
- var q = this.clone();
- if (!littleEndian) {
- // Assume big-endian
- for (i = 0; i < reqLength - byteLength; i++) {
- res[i] = 0;
- }
-
- for (i = 0; !q.isZero(); i++) {
- b = q.andln(0xff);
- q.iushrn(8);
-
- res[reqLength - i - 1] = b;
- }
- } else {
- for (i = 0; !q.isZero(); i++) {
- b = q.andln(0xff);
- q.iushrn(8);
-
- res[i] = b;
- }
-
- for (; i < reqLength; i++) {
- res[i] = 0;
- }
- }
-
- return res;
- };
-
- if (Math.clz32) {
- BN.prototype._countBits = function _countBits (w) {
- return 32 - Math.clz32(w);
- };
- } else {
- BN.prototype._countBits = function _countBits (w) {
- var t = w;
- var r = 0;
- if (t >= 0x1000) {
- r += 13;
- t >>>= 13;
- }
- if (t >= 0x40) {
- r += 7;
- t >>>= 7;
- }
- if (t >= 0x8) {
- r += 4;
- t >>>= 4;
- }
- if (t >= 0x02) {
- r += 2;
- t >>>= 2;
- }
- return r + t;
- };
- }
-
- BN.prototype._zeroBits = function _zeroBits (w) {
- // Short-cut
- if (w === 0) return 26;
-
- var t = w;
- var r = 0;
- if ((t & 0x1fff) === 0) {
- r += 13;
- t >>>= 13;
- }
- if ((t & 0x7f) === 0) {
- r += 7;
- t >>>= 7;
- }
- if ((t & 0xf) === 0) {
- r += 4;
- t >>>= 4;
- }
- if ((t & 0x3) === 0) {
- r += 2;
- t >>>= 2;
- }
- if ((t & 0x1) === 0) {
- r++;
- }
- return r;
- };
-
- // Return number of used bits in a BN
- BN.prototype.bitLength = function bitLength () {
- var w = this.words[this.length - 1];
- var hi = this._countBits(w);
- return (this.length - 1) * 26 + hi;
- };
-
- function toBitArray (num) {
- var w = new Array(num.bitLength());
-
- for (var bit = 0; bit < w.length; bit++) {
- var off = (bit / 26) | 0;
- var wbit = bit % 26;
-
- w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
- }
-
- return w;
- }
-
- // Number of trailing zero bits
- BN.prototype.zeroBits = function zeroBits () {
- if (this.isZero()) return 0;
-
- var r = 0;
- for (var i = 0; i < this.length; i++) {
- var b = this._zeroBits(this.words[i]);
- r += b;
- if (b !== 26) break;
- }
- return r;
- };
-
- BN.prototype.byteLength = function byteLength () {
- return Math.ceil(this.bitLength() / 8);
- };
-
- BN.prototype.toTwos = function toTwos (width) {
- if (this.negative !== 0) {
- return this.abs().inotn(width).iaddn(1);
- }
- return this.clone();
- };
-
- BN.prototype.fromTwos = function fromTwos (width) {
- if (this.testn(width - 1)) {
- return this.notn(width).iaddn(1).ineg();
- }
- return this.clone();
- };
-
- BN.prototype.isNeg = function isNeg () {
- return this.negative !== 0;
- };
-
- // Return negative clone of `this`
- BN.prototype.neg = function neg () {
- return this.clone().ineg();
- };
-
- BN.prototype.ineg = function ineg () {
- if (!this.isZero()) {
- this.negative ^= 1;
- }
-
- return this;
- };
-
- // Or `num` with `this` in-place
- BN.prototype.iuor = function iuor (num) {
- while (this.length < num.length) {
- this.words[this.length++] = 0;
- }
-
- for (var i = 0; i < num.length; i++) {
- this.words[i] = this.words[i] | num.words[i];
- }
-
- return this.strip();
- };
-
- BN.prototype.ior = function ior (num) {
- assert((this.negative | num.negative) === 0);
- return this.iuor(num);
- };
-
- // Or `num` with `this`
- BN.prototype.or = function or (num) {
- if (this.length > num.length) return this.clone().ior(num);
- return num.clone().ior(this);
- };
-
- BN.prototype.uor = function uor (num) {
- if (this.length > num.length) return this.clone().iuor(num);
- return num.clone().iuor(this);
- };
-
- // And `num` with `this` in-place
- BN.prototype.iuand = function iuand (num) {
- // b = min-length(num, this)
- var b;
- if (this.length > num.length) {
- b = num;
- } else {
- b = this;
- }
-
- for (var i = 0; i < b.length; i++) {
- this.words[i] = this.words[i] & num.words[i];
- }
-
- this.length = b.length;
-
- return this.strip();
- };
-
- BN.prototype.iand = function iand (num) {
- assert((this.negative | num.negative) === 0);
- return this.iuand(num);
- };
-
- // And `num` with `this`
- BN.prototype.and = function and (num) {
- if (this.length > num.length) return this.clone().iand(num);
- return num.clone().iand(this);
- };
-
- BN.prototype.uand = function uand (num) {
- if (this.length > num.length) return this.clone().iuand(num);
- return num.clone().iuand(this);
- };
-
- // Xor `num` with `this` in-place
- BN.prototype.iuxor = function iuxor (num) {
- // a.length > b.length
- var a;
- var b;
- if (this.length > num.length) {
- a = this;
- b = num;
- } else {
- a = num;
- b = this;
- }
-
- for (var i = 0; i < b.length; i++) {
- this.words[i] = a.words[i] ^ b.words[i];
- }
-
- if (this !== a) {
- for (; i < a.length; i++) {
- this.words[i] = a.words[i];
- }
- }
-
- this.length = a.length;
-
- return this.strip();
- };
-
- BN.prototype.ixor = function ixor (num) {
- assert((this.negative | num.negative) === 0);
- return this.iuxor(num);
- };
-
- // Xor `num` with `this`
- BN.prototype.xor = function xor (num) {
- if (this.length > num.length) return this.clone().ixor(num);
- return num.clone().ixor(this);
- };
-
- BN.prototype.uxor = function uxor (num) {
- if (this.length > num.length) return this.clone().iuxor(num);
- return num.clone().iuxor(this);
- };
-
- // Not ``this`` with ``width`` bitwidth
- BN.prototype.inotn = function inotn (width) {
- assert(typeof width === 'number' && width >= 0);
-
- var bytesNeeded = Math.ceil(width / 26) | 0;
- var bitsLeft = width % 26;
-
- // Extend the buffer with leading zeroes
- this._expand(bytesNeeded);
-
- if (bitsLeft > 0) {
- bytesNeeded--;
- }
-
- // Handle complete words
- for (var i = 0; i < bytesNeeded; i++) {
- this.words[i] = ~this.words[i] & 0x3ffffff;
- }
-
- // Handle the residue
- if (bitsLeft > 0) {
- this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
- }
-
- // And remove leading zeroes
- return this.strip();
- };
-
- BN.prototype.notn = function notn (width) {
- return this.clone().inotn(width);
- };
-
- // Set `bit` of `this`
- BN.prototype.setn = function setn (bit, val) {
- assert(typeof bit === 'number' && bit >= 0);
-
- var off = (bit / 26) | 0;
- var wbit = bit % 26;
-
- this._expand(off + 1);
-
- if (val) {
- this.words[off] = this.words[off] | (1 << wbit);
- } else {
- this.words[off] = this.words[off] & ~(1 << wbit);
- }
-
- return this.strip();
- };
-
- // Add `num` to `this` in-place
- BN.prototype.iadd = function iadd (num) {
- var r;
-
- // negative + positive
- if (this.negative !== 0 && num.negative === 0) {
- this.negative = 0;
- r = this.isub(num);
- this.negative ^= 1;
- return this._normSign();
-
- // positive + negative
- } else if (this.negative === 0 && num.negative !== 0) {
- num.negative = 0;
- r = this.isub(num);
- num.negative = 1;
- return r._normSign();
- }
-
- // a.length > b.length
- var a, b;
- if (this.length > num.length) {
- a = this;
- b = num;
- } else {
- a = num;
- b = this;
- }
-
- var carry = 0;
- for (var i = 0; i < b.length; i++) {
- r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
- this.words[i] = r & 0x3ffffff;
- carry = r >>> 26;
- }
- for (; carry !== 0 && i < a.length; i++) {
- r = (a.words[i] | 0) + carry;
- this.words[i] = r & 0x3ffffff;
- carry = r >>> 26;
- }
-
- this.length = a.length;
- if (carry !== 0) {
- this.words[this.length] = carry;
- this.length++;
- // Copy the rest of the words
- } else if (a !== this) {
- for (; i < a.length; i++) {
- this.words[i] = a.words[i];
- }
- }
-
- return this;
- };
-
- // Add `num` to `this`
- BN.prototype.add = function add (num) {
- var res;
- if (num.negative !== 0 && this.negative === 0) {
- num.negative = 0;
- res = this.sub(num);
- num.negative ^= 1;
- return res;
- } else if (num.negative === 0 && this.negative !== 0) {
- this.negative = 0;
- res = num.sub(this);
- this.negative = 1;
- return res;
- }
-
- if (this.length > num.length) return this.clone().iadd(num);
-
- return num.clone().iadd(this);
- };
-
- // Subtract `num` from `this` in-place
- BN.prototype.isub = function isub (num) {
- // this - (-num) = this + num
- if (num.negative !== 0) {
- num.negative = 0;
- var r = this.iadd(num);
- num.negative = 1;
- return r._normSign();
-
- // -this - num = -(this + num)
- } else if (this.negative !== 0) {
- this.negative = 0;
- this.iadd(num);
- this.negative = 1;
- return this._normSign();
- }
-
- // At this point both numbers are positive
- var cmp = this.cmp(num);
-
- // Optimization - zeroify
- if (cmp === 0) {
- this.negative = 0;
- this.length = 1;
- this.words[0] = 0;
- return this;
- }
-
- // a > b
- var a, b;
- if (cmp > 0) {
- a = this;
- b = num;
- } else {
- a = num;
- b = this;
- }
-
- var carry = 0;
- for (var i = 0; i < b.length; i++) {
- r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
- carry = r >> 26;
- this.words[i] = r & 0x3ffffff;
- }
- for (; carry !== 0 && i < a.length; i++) {
- r = (a.words[i] | 0) + carry;
- carry = r >> 26;
- this.words[i] = r & 0x3ffffff;
- }
-
- // Copy rest of the words
- if (carry === 0 && i < a.length && a !== this) {
- for (; i < a.length; i++) {
- this.words[i] = a.words[i];
- }
- }
-
- this.length = Math.max(this.length, i);
-
- if (a !== this) {
- this.negative = 1;
- }
-
- return this.strip();
- };
-
- // Subtract `num` from `this`
- BN.prototype.sub = function sub (num) {
- return this.clone().isub(num);
- };
-
- function smallMulTo (self, num, out) {
- out.negative = num.negative ^ self.negative;
- var len = (self.length + num.length) | 0;
- out.length = len;
- len = (len - 1) | 0;
-
- // Peel one iteration (compiler can't do it, because of code complexity)
- var a = self.words[0] | 0;
- var b = num.words[0] | 0;
- var r = a * b;
-
- var lo = r & 0x3ffffff;
- var carry = (r / 0x4000000) | 0;
- out.words[0] = lo;
-
- for (var k = 1; k < len; k++) {
- // Sum all words with the same `i + j = k` and accumulate `ncarry`,
- // note that ncarry could be >= 0x3ffffff
- var ncarry = carry >>> 26;
- var rword = carry & 0x3ffffff;
- var maxJ = Math.min(k, num.length - 1);
- for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
- var i = (k - j) | 0;
- a = self.words[i] | 0;
- b = num.words[j] | 0;
- r = a * b + rword;
- ncarry += (r / 0x4000000) | 0;
- rword = r & 0x3ffffff;
- }
- out.words[k] = rword | 0;
- carry = ncarry | 0;
- }
- if (carry !== 0) {
- out.words[k] = carry | 0;
- } else {
- out.length--;
- }
-
- return out.strip();
- }
-
- // TODO(indutny): it may be reasonable to omit it for users who don't need
- // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
- // multiplication (like elliptic secp256k1).
- var comb10MulTo = function comb10MulTo (self, num, out) {
- var a = self.words;
- var b = num.words;
- var o = out.words;
- var c = 0;
- var lo;
- var mid;
- var hi;
- var a0 = a[0] | 0;
- var al0 = a0 & 0x1fff;
- var ah0 = a0 >>> 13;
- var a1 = a[1] | 0;
- var al1 = a1 & 0x1fff;
- var ah1 = a1 >>> 13;
- var a2 = a[2] | 0;
- var al2 = a2 & 0x1fff;
- var ah2 = a2 >>> 13;
- var a3 = a[3] | 0;
- var al3 = a3 & 0x1fff;
- var ah3 = a3 >>> 13;
- var a4 = a[4] | 0;
- var al4 = a4 & 0x1fff;
- var ah4 = a4 >>> 13;
- var a5 = a[5] | 0;
- var al5 = a5 & 0x1fff;
- var ah5 = a5 >>> 13;
- var a6 = a[6] | 0;
- var al6 = a6 & 0x1fff;
- var ah6 = a6 >>> 13;
- var a7 = a[7] | 0;
- var al7 = a7 & 0x1fff;
- var ah7 = a7 >>> 13;
- var a8 = a[8] | 0;
- var al8 = a8 & 0x1fff;
- var ah8 = a8 >>> 13;
- var a9 = a[9] | 0;
- var al9 = a9 & 0x1fff;
- var ah9 = a9 >>> 13;
- var b0 = b[0] | 0;
- var bl0 = b0 & 0x1fff;
- var bh0 = b0 >>> 13;
- var b1 = b[1] | 0;
- var bl1 = b1 & 0x1fff;
- var bh1 = b1 >>> 13;
- var b2 = b[2] | 0;
- var bl2 = b2 & 0x1fff;
- var bh2 = b2 >>> 13;
- var b3 = b[3] | 0;
- var bl3 = b3 & 0x1fff;
- var bh3 = b3 >>> 13;
- var b4 = b[4] | 0;
- var bl4 = b4 & 0x1fff;
- var bh4 = b4 >>> 13;
- var b5 = b[5] | 0;
- var bl5 = b5 & 0x1fff;
- var bh5 = b5 >>> 13;
- var b6 = b[6] | 0;
- var bl6 = b6 & 0x1fff;
- var bh6 = b6 >>> 13;
- var b7 = b[7] | 0;
- var bl7 = b7 & 0x1fff;
- var bh7 = b7 >>> 13;
- var b8 = b[8] | 0;
- var bl8 = b8 & 0x1fff;
- var bh8 = b8 >>> 13;
- var b9 = b[9] | 0;
- var bl9 = b9 & 0x1fff;
- var bh9 = b9 >>> 13;
-
- out.negative = self.negative ^ num.negative;
- out.length = 19;
- /* k = 0 */
- lo = Math.imul(al0, bl0);
- mid = Math.imul(al0, bh0);
- mid = (mid + Math.imul(ah0, bl0)) | 0;
- hi = Math.imul(ah0, bh0);
- var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
- w0 &= 0x3ffffff;
- /* k = 1 */
- lo = Math.imul(al1, bl0);
- mid = Math.imul(al1, bh0);
- mid = (mid + Math.imul(ah1, bl0)) | 0;
- hi = Math.imul(ah1, bh0);
- lo = (lo + Math.imul(al0, bl1)) | 0;
- mid = (mid + Math.imul(al0, bh1)) | 0;
- mid = (mid + Math.imul(ah0, bl1)) | 0;
- hi = (hi + Math.imul(ah0, bh1)) | 0;
- var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
- w1 &= 0x3ffffff;
- /* k = 2 */
- lo = Math.imul(al2, bl0);
- mid = Math.imul(al2, bh0);
- mid = (mid + Math.imul(ah2, bl0)) | 0;
- hi = Math.imul(ah2, bh0);
- lo = (lo + Math.imul(al1, bl1)) | 0;
- mid = (mid + Math.imul(al1, bh1)) | 0;
- mid = (mid + Math.imul(ah1, bl1)) | 0;
- hi = (hi + Math.imul(ah1, bh1)) | 0;
- lo = (lo + Math.imul(al0, bl2)) | 0;
- mid = (mid + Math.imul(al0, bh2)) | 0;
- mid = (mid + Math.imul(ah0, bl2)) | 0;
- hi = (hi + Math.imul(ah0, bh2)) | 0;
- var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
- w2 &= 0x3ffffff;
- /* k = 3 */
- lo = Math.imul(al3, bl0);
- mid = Math.imul(al3, bh0);
- mid = (mid + Math.imul(ah3, bl0)) | 0;
- hi = Math.imul(ah3, bh0);
- lo = (lo + Math.imul(al2, bl1)) | 0;
- mid = (mid + Math.imul(al2, bh1)) | 0;
- mid = (mid + Math.imul(ah2, bl1)) | 0;
- hi = (hi + Math.imul(ah2, bh1)) | 0;
- lo = (lo + Math.imul(al1, bl2)) | 0;
- mid = (mid + Math.imul(al1, bh2)) | 0;
- mid = (mid + Math.imul(ah1, bl2)) | 0;
- hi = (hi + Math.imul(ah1, bh2)) | 0;
- lo = (lo + Math.imul(al0, bl3)) | 0;
- mid = (mid + Math.imul(al0, bh3)) | 0;
- mid = (mid + Math.imul(ah0, bl3)) | 0;
- hi = (hi + Math.imul(ah0, bh3)) | 0;
- var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
- w3 &= 0x3ffffff;
- /* k = 4 */
- lo = Math.imul(al4, bl0);
- mid = Math.imul(al4, bh0);
- mid = (mid + Math.imul(ah4, bl0)) | 0;
- hi = Math.imul(ah4, bh0);
- lo = (lo + Math.imul(al3, bl1)) | 0;
- mid = (mid + Math.imul(al3, bh1)) | 0;
- mid = (mid + Math.imul(ah3, bl1)) | 0;
- hi = (hi + Math.imul(ah3, bh1)) | 0;
- lo = (lo + Math.imul(al2, bl2)) | 0;
- mid = (mid + Math.imul(al2, bh2)) | 0;
- mid = (mid + Math.imul(ah2, bl2)) | 0;
- hi = (hi + Math.imul(ah2, bh2)) | 0;
- lo = (lo + Math.imul(al1, bl3)) | 0;
- mid = (mid + Math.imul(al1, bh3)) | 0;
- mid = (mid + Math.imul(ah1, bl3)) | 0;
- hi = (hi + Math.imul(ah1, bh3)) | 0;
- lo = (lo + Math.imul(al0, bl4)) | 0;
- mid = (mid + Math.imul(al0, bh4)) | 0;
- mid = (mid + Math.imul(ah0, bl4)) | 0;
- hi = (hi + Math.imul(ah0, bh4)) | 0;
- var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
- w4 &= 0x3ffffff;
- /* k = 5 */
- lo = Math.imul(al5, bl0);
- mid = Math.imul(al5, bh0);
- mid = (mid + Math.imul(ah5, bl0)) | 0;
- hi = Math.imul(ah5, bh0);
- lo = (lo + Math.imul(al4, bl1)) | 0;
- mid = (mid + Math.imul(al4, bh1)) | 0;
- mid = (mid + Math.imul(ah4, bl1)) | 0;
- hi = (hi + Math.imul(ah4, bh1)) | 0;
- lo = (lo + Math.imul(al3, bl2)) | 0;
- mid = (mid + Math.imul(al3, bh2)) | 0;
- mid = (mid + Math.imul(ah3, bl2)) | 0;
- hi = (hi + Math.imul(ah3, bh2)) | 0;
- lo = (lo + Math.imul(al2, bl3)) | 0;
- mid = (mid + Math.imul(al2, bh3)) | 0;
- mid = (mid + Math.imul(ah2, bl3)) | 0;
- hi = (hi + Math.imul(ah2, bh3)) | 0;
- lo = (lo + Math.imul(al1, bl4)) | 0;
- mid = (mid + Math.imul(al1, bh4)) | 0;
- mid = (mid + Math.imul(ah1, bl4)) | 0;
- hi = (hi + Math.imul(ah1, bh4)) | 0;
- lo = (lo + Math.imul(al0, bl5)) | 0;
- mid = (mid + Math.imul(al0, bh5)) | 0;
- mid = (mid + Math.imul(ah0, bl5)) | 0;
- hi = (hi + Math.imul(ah0, bh5)) | 0;
- var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
- w5 &= 0x3ffffff;
- /* k = 6 */
- lo = Math.imul(al6, bl0);
- mid = Math.imul(al6, bh0);
- mid = (mid + Math.imul(ah6, bl0)) | 0;
- hi = Math.imul(ah6, bh0);
- lo = (lo + Math.imul(al5, bl1)) | 0;
- mid = (mid + Math.imul(al5, bh1)) | 0;
- mid = (mid + Math.imul(ah5, bl1)) | 0;
- hi = (hi + Math.imul(ah5, bh1)) | 0;
- lo = (lo + Math.imul(al4, bl2)) | 0;
- mid = (mid + Math.imul(al4, bh2)) | 0;
- mid = (mid + Math.imul(ah4, bl2)) | 0;
- hi = (hi + Math.imul(ah4, bh2)) | 0;
- lo = (lo + Math.imul(al3, bl3)) | 0;
- mid = (mid + Math.imul(al3, bh3)) | 0;
- mid = (mid + Math.imul(ah3, bl3)) | 0;
- hi = (hi + Math.imul(ah3, bh3)) | 0;
- lo = (lo + Math.imul(al2, bl4)) | 0;
- mid = (mid + Math.imul(al2, bh4)) | 0;
- mid = (mid + Math.imul(ah2, bl4)) | 0;
- hi = (hi + Math.imul(ah2, bh4)) | 0;
- lo = (lo + Math.imul(al1, bl5)) | 0;
- mid = (mid + Math.imul(al1, bh5)) | 0;
- mid = (mid + Math.imul(ah1, bl5)) | 0;
- hi = (hi + Math.imul(ah1, bh5)) | 0;
- lo = (lo + Math.imul(al0, bl6)) | 0;
- mid = (mid + Math.imul(al0, bh6)) | 0;
- mid = (mid + Math.imul(ah0, bl6)) | 0;
- hi = (hi + Math.imul(ah0, bh6)) | 0;
- var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
- w6 &= 0x3ffffff;
- /* k = 7 */
- lo = Math.imul(al7, bl0);
- mid = Math.imul(al7, bh0);
- mid = (mid + Math.imul(ah7, bl0)) | 0;
- hi = Math.imul(ah7, bh0);
- lo = (lo + Math.imul(al6, bl1)) | 0;
- mid = (mid + Math.imul(al6, bh1)) | 0;
- mid = (mid + Math.imul(ah6, bl1)) | 0;
- hi = (hi + Math.imul(ah6, bh1)) | 0;
- lo = (lo + Math.imul(al5, bl2)) | 0;
- mid = (mid + Math.imul(al5, bh2)) | 0;
- mid = (mid + Math.imul(ah5, bl2)) | 0;
- hi = (hi + Math.imul(ah5, bh2)) | 0;
- lo = (lo + Math.imul(al4, bl3)) | 0;
- mid = (mid + Math.imul(al4, bh3)) | 0;
- mid = (mid + Math.imul(ah4, bl3)) | 0;
- hi = (hi + Math.imul(ah4, bh3)) | 0;
- lo = (lo + Math.imul(al3, bl4)) | 0;
- mid = (mid + Math.imul(al3, bh4)) | 0;
- mid = (mid + Math.imul(ah3, bl4)) | 0;
- hi = (hi + Math.imul(ah3, bh4)) | 0;
- lo = (lo + Math.imul(al2, bl5)) | 0;
- mid = (mid + Math.imul(al2, bh5)) | 0;
- mid = (mid + Math.imul(ah2, bl5)) | 0;
- hi = (hi + Math.imul(ah2, bh5)) | 0;
- lo = (lo + Math.imul(al1, bl6)) | 0;
- mid = (mid + Math.imul(al1, bh6)) | 0;
- mid = (mid + Math.imul(ah1, bl6)) | 0;
- hi = (hi + Math.imul(ah1, bh6)) | 0;
- lo = (lo + Math.imul(al0, bl7)) | 0;
- mid = (mid + Math.imul(al0, bh7)) | 0;
- mid = (mid + Math.imul(ah0, bl7)) | 0;
- hi = (hi + Math.imul(ah0, bh7)) | 0;
- var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
- w7 &= 0x3ffffff;
- /* k = 8 */
- lo = Math.imul(al8, bl0);
- mid = Math.imul(al8, bh0);
- mid = (mid + Math.imul(ah8, bl0)) | 0;
- hi = Math.imul(ah8, bh0);
- lo = (lo + Math.imul(al7, bl1)) | 0;
- mid = (mid + Math.imul(al7, bh1)) | 0;
- mid = (mid + Math.imul(ah7, bl1)) | 0;
- hi = (hi + Math.imul(ah7, bh1)) | 0;
- lo = (lo + Math.imul(al6, bl2)) | 0;
- mid = (mid + Math.imul(al6, bh2)) | 0;
- mid = (mid + Math.imul(ah6, bl2)) | 0;
- hi = (hi + Math.imul(ah6, bh2)) | 0;
- lo = (lo + Math.imul(al5, bl3)) | 0;
- mid = (mid + Math.imul(al5, bh3)) | 0;
- mid = (mid + Math.imul(ah5, bl3)) | 0;
- hi = (hi + Math.imul(ah5, bh3)) | 0;
- lo = (lo + Math.imul(al4, bl4)) | 0;
- mid = (mid + Math.imul(al4, bh4)) | 0;
- mid = (mid + Math.imul(ah4, bl4)) | 0;
- hi = (hi + Math.imul(ah4, bh4)) | 0;
- lo = (lo + Math.imul(al3, bl5)) | 0;
- mid = (mid + Math.imul(al3, bh5)) | 0;
- mid = (mid + Math.imul(ah3, bl5)) | 0;
- hi = (hi + Math.imul(ah3, bh5)) | 0;
- lo = (lo + Math.imul(al2, bl6)) | 0;
- mid = (mid + Math.imul(al2, bh6)) | 0;
- mid = (mid + Math.imul(ah2, bl6)) | 0;
- hi = (hi + Math.imul(ah2, bh6)) | 0;
- lo = (lo + Math.imul(al1, bl7)) | 0;
- mid = (mid + Math.imul(al1, bh7)) | 0;
- mid = (mid + Math.imul(ah1, bl7)) | 0;
- hi = (hi + Math.imul(ah1, bh7)) | 0;
- lo = (lo + Math.imul(al0, bl8)) | 0;
- mid = (mid + Math.imul(al0, bh8)) | 0;
- mid = (mid + Math.imul(ah0, bl8)) | 0;
- hi = (hi + Math.imul(ah0, bh8)) | 0;
- var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
- w8 &= 0x3ffffff;
- /* k = 9 */
- lo = Math.imul(al9, bl0);
- mid = Math.imul(al9, bh0);
- mid = (mid + Math.imul(ah9, bl0)) | 0;
- hi = Math.imul(ah9, bh0);
- lo = (lo + Math.imul(al8, bl1)) | 0;
- mid = (mid + Math.imul(al8, bh1)) | 0;
- mid = (mid + Math.imul(ah8, bl1)) | 0;
- hi = (hi + Math.imul(ah8, bh1)) | 0;
- lo = (lo + Math.imul(al7, bl2)) | 0;
- mid = (mid + Math.imul(al7, bh2)) | 0;
- mid = (mid + Math.imul(ah7, bl2)) | 0;
- hi = (hi + Math.imul(ah7, bh2)) | 0;
- lo = (lo + Math.imul(al6, bl3)) | 0;
- mid = (mid + Math.imul(al6, bh3)) | 0;
- mid = (mid + Math.imul(ah6, bl3)) | 0;
- hi = (hi + Math.imul(ah6, bh3)) | 0;
- lo = (lo + Math.imul(al5, bl4)) | 0;
- mid = (mid + Math.imul(al5, bh4)) | 0;
- mid = (mid + Math.imul(ah5, bl4)) | 0;
- hi = (hi + Math.imul(ah5, bh4)) | 0;
- lo = (lo + Math.imul(al4, bl5)) | 0;
- mid = (mid + Math.imul(al4, bh5)) | 0;
- mid = (mid + Math.imul(ah4, bl5)) | 0;
- hi = (hi + Math.imul(ah4, bh5)) | 0;
- lo = (lo + Math.imul(al3, bl6)) | 0;
- mid = (mid + Math.imul(al3, bh6)) | 0;
- mid = (mid + Math.imul(ah3, bl6)) | 0;
- hi = (hi + Math.imul(ah3, bh6)) | 0;
- lo = (lo + Math.imul(al2, bl7)) | 0;
- mid = (mid + Math.imul(al2, bh7)) | 0;
- mid = (mid + Math.imul(ah2, bl7)) | 0;
- hi = (hi + Math.imul(ah2, bh7)) | 0;
- lo = (lo + Math.imul(al1, bl8)) | 0;
- mid = (mid + Math.imul(al1, bh8)) | 0;
- mid = (mid + Math.imul(ah1, bl8)) | 0;
- hi = (hi + Math.imul(ah1, bh8)) | 0;
- lo = (lo + Math.imul(al0, bl9)) | 0;
- mid = (mid + Math.imul(al0, bh9)) | 0;
- mid = (mid + Math.imul(ah0, bl9)) | 0;
- hi = (hi + Math.imul(ah0, bh9)) | 0;
- var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
- w9 &= 0x3ffffff;
- /* k = 10 */
- lo = Math.imul(al9, bl1);
- mid = Math.imul(al9, bh1);
- mid = (mid + Math.imul(ah9, bl1)) | 0;
- hi = Math.imul(ah9, bh1);
- lo = (lo + Math.imul(al8, bl2)) | 0;
- mid = (mid + Math.imul(al8, bh2)) | 0;
- mid = (mid + Math.imul(ah8, bl2)) | 0;
- hi = (hi + Math.imul(ah8, bh2)) | 0;
- lo = (lo + Math.imul(al7, bl3)) | 0;
- mid = (mid + Math.imul(al7, bh3)) | 0;
- mid = (mid + Math.imul(ah7, bl3)) | 0;
- hi = (hi + Math.imul(ah7, bh3)) | 0;
- lo = (lo + Math.imul(al6, bl4)) | 0;
- mid = (mid + Math.imul(al6, bh4)) | 0;
- mid = (mid + Math.imul(ah6, bl4)) | 0;
- hi = (hi + Math.imul(ah6, bh4)) | 0;
- lo = (lo + Math.imul(al5, bl5)) | 0;
- mid = (mid + Math.imul(al5, bh5)) | 0;
- mid = (mid + Math.imul(ah5, bl5)) | 0;
- hi = (hi + Math.imul(ah5, bh5)) | 0;
- lo = (lo + Math.imul(al4, bl6)) | 0;
- mid = (mid + Math.imul(al4, bh6)) | 0;
- mid = (mid + Math.imul(ah4, bl6)) | 0;
- hi = (hi + Math.imul(ah4, bh6)) | 0;
- lo = (lo + Math.imul(al3, bl7)) | 0;
- mid = (mid + Math.imul(al3, bh7)) | 0;
- mid = (mid + Math.imul(ah3, bl7)) | 0;
- hi = (hi + Math.imul(ah3, bh7)) | 0;
- lo = (lo + Math.imul(al2, bl8)) | 0;
- mid = (mid + Math.imul(al2, bh8)) | 0;
- mid = (mid + Math.imul(ah2, bl8)) | 0;
- hi = (hi + Math.imul(ah2, bh8)) | 0;
- lo = (lo + Math.imul(al1, bl9)) | 0;
- mid = (mid + Math.imul(al1, bh9)) | 0;
- mid = (mid + Math.imul(ah1, bl9)) | 0;
- hi = (hi + Math.imul(ah1, bh9)) | 0;
- var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
- w10 &= 0x3ffffff;
- /* k = 11 */
- lo = Math.imul(al9, bl2);
- mid = Math.imul(al9, bh2);
- mid = (mid + Math.imul(ah9, bl2)) | 0;
- hi = Math.imul(ah9, bh2);
- lo = (lo + Math.imul(al8, bl3)) | 0;
- mid = (mid + Math.imul(al8, bh3)) | 0;
- mid = (mid + Math.imul(ah8, bl3)) | 0;
- hi = (hi + Math.imul(ah8, bh3)) | 0;
- lo = (lo + Math.imul(al7, bl4)) | 0;
- mid = (mid + Math.imul(al7, bh4)) | 0;
- mid = (mid + Math.imul(ah7, bl4)) | 0;
- hi = (hi + Math.imul(ah7, bh4)) | 0;
- lo = (lo + Math.imul(al6, bl5)) | 0;
- mid = (mid + Math.imul(al6, bh5)) | 0;
- mid = (mid + Math.imul(ah6, bl5)) | 0;
- hi = (hi + Math.imul(ah6, bh5)) | 0;
- lo = (lo + Math.imul(al5, bl6)) | 0;
- mid = (mid + Math.imul(al5, bh6)) | 0;
- mid = (mid + Math.imul(ah5, bl6)) | 0;
- hi = (hi + Math.imul(ah5, bh6)) | 0;
- lo = (lo + Math.imul(al4, bl7)) | 0;
- mid = (mid + Math.imul(al4, bh7)) | 0;
- mid = (mid + Math.imul(ah4, bl7)) | 0;
- hi = (hi + Math.imul(ah4, bh7)) | 0;
- lo = (lo + Math.imul(al3, bl8)) | 0;
- mid = (mid + Math.imul(al3, bh8)) | 0;
- mid = (mid + Math.imul(ah3, bl8)) | 0;
- hi = (hi + Math.imul(ah3, bh8)) | 0;
- lo = (lo + Math.imul(al2, bl9)) | 0;
- mid = (mid + Math.imul(al2, bh9)) | 0;
- mid = (mid + Math.imul(ah2, bl9)) | 0;
- hi = (hi + Math.imul(ah2, bh9)) | 0;
- var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
- w11 &= 0x3ffffff;
- /* k = 12 */
- lo = Math.imul(al9, bl3);
- mid = Math.imul(al9, bh3);
- mid = (mid + Math.imul(ah9, bl3)) | 0;
- hi = Math.imul(ah9, bh3);
- lo = (lo + Math.imul(al8, bl4)) | 0;
- mid = (mid + Math.imul(al8, bh4)) | 0;
- mid = (mid + Math.imul(ah8, bl4)) | 0;
- hi = (hi + Math.imul(ah8, bh4)) | 0;
- lo = (lo + Math.imul(al7, bl5)) | 0;
- mid = (mid + Math.imul(al7, bh5)) | 0;
- mid = (mid + Math.imul(ah7, bl5)) | 0;
- hi = (hi + Math.imul(ah7, bh5)) | 0;
- lo = (lo + Math.imul(al6, bl6)) | 0;
- mid = (mid + Math.imul(al6, bh6)) | 0;
- mid = (mid + Math.imul(ah6, bl6)) | 0;
- hi = (hi + Math.imul(ah6, bh6)) | 0;
- lo = (lo + Math.imul(al5, bl7)) | 0;
- mid = (mid + Math.imul(al5, bh7)) | 0;
- mid = (mid + Math.imul(ah5, bl7)) | 0;
- hi = (hi + Math.imul(ah5, bh7)) | 0;
- lo = (lo + Math.imul(al4, bl8)) | 0;
- mid = (mid + Math.imul(al4, bh8)) | 0;
- mid = (mid + Math.imul(ah4, bl8)) | 0;
- hi = (hi + Math.imul(ah4, bh8)) | 0;
- lo = (lo + Math.imul(al3, bl9)) | 0;
- mid = (mid + Math.imul(al3, bh9)) | 0;
- mid = (mid + Math.imul(ah3, bl9)) | 0;
- hi = (hi + Math.imul(ah3, bh9)) | 0;
- var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
- w12 &= 0x3ffffff;
- /* k = 13 */
- lo = Math.imul(al9, bl4);
- mid = Math.imul(al9, bh4);
- mid = (mid + Math.imul(ah9, bl4)) | 0;
- hi = Math.imul(ah9, bh4);
- lo = (lo + Math.imul(al8, bl5)) | 0;
- mid = (mid + Math.imul(al8, bh5)) | 0;
- mid = (mid + Math.imul(ah8, bl5)) | 0;
- hi = (hi + Math.imul(ah8, bh5)) | 0;
- lo = (lo + Math.imul(al7, bl6)) | 0;
- mid = (mid + Math.imul(al7, bh6)) | 0;
- mid = (mid + Math.imul(ah7, bl6)) | 0;
- hi = (hi + Math.imul(ah7, bh6)) | 0;
- lo = (lo + Math.imul(al6, bl7)) | 0;
- mid = (mid + Math.imul(al6, bh7)) | 0;
- mid = (mid + Math.imul(ah6, bl7)) | 0;
- hi = (hi + Math.imul(ah6, bh7)) | 0;
- lo = (lo + Math.imul(al5, bl8)) | 0;
- mid = (mid + Math.imul(al5, bh8)) | 0;
- mid = (mid + Math.imul(ah5, bl8)) | 0;
- hi = (hi + Math.imul(ah5, bh8)) | 0;
- lo = (lo + Math.imul(al4, bl9)) | 0;
- mid = (mid + Math.imul(al4, bh9)) | 0;
- mid = (mid + Math.imul(ah4, bl9)) | 0;
- hi = (hi + Math.imul(ah4, bh9)) | 0;
- var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
- w13 &= 0x3ffffff;
- /* k = 14 */
- lo = Math.imul(al9, bl5);
- mid = Math.imul(al9, bh5);
- mid = (mid + Math.imul(ah9, bl5)) | 0;
- hi = Math.imul(ah9, bh5);
- lo = (lo + Math.imul(al8, bl6)) | 0;
- mid = (mid + Math.imul(al8, bh6)) | 0;
- mid = (mid + Math.imul(ah8, bl6)) | 0;
- hi = (hi + Math.imul(ah8, bh6)) | 0;
- lo = (lo + Math.imul(al7, bl7)) | 0;
- mid = (mid + Math.imul(al7, bh7)) | 0;
- mid = (mid + Math.imul(ah7, bl7)) | 0;
- hi = (hi + Math.imul(ah7, bh7)) | 0;
- lo = (lo + Math.imul(al6, bl8)) | 0;
- mid = (mid + Math.imul(al6, bh8)) | 0;
- mid = (mid + Math.imul(ah6, bl8)) | 0;
- hi = (hi + Math.imul(ah6, bh8)) | 0;
- lo = (lo + Math.imul(al5, bl9)) | 0;
- mid = (mid + Math.imul(al5, bh9)) | 0;
- mid = (mid + Math.imul(ah5, bl9)) | 0;
- hi = (hi + Math.imul(ah5, bh9)) | 0;
- var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
- w14 &= 0x3ffffff;
- /* k = 15 */
- lo = Math.imul(al9, bl6);
- mid = Math.imul(al9, bh6);
- mid = (mid + Math.imul(ah9, bl6)) | 0;
- hi = Math.imul(ah9, bh6);
- lo = (lo + Math.imul(al8, bl7)) | 0;
- mid = (mid + Math.imul(al8, bh7)) | 0;
- mid = (mid + Math.imul(ah8, bl7)) | 0;
- hi = (hi + Math.imul(ah8, bh7)) | 0;
- lo = (lo + Math.imul(al7, bl8)) | 0;
- mid = (mid + Math.imul(al7, bh8)) | 0;
- mid = (mid + Math.imul(ah7, bl8)) | 0;
- hi = (hi + Math.imul(ah7, bh8)) | 0;
- lo = (lo + Math.imul(al6, bl9)) | 0;
- mid = (mid + Math.imul(al6, bh9)) | 0;
- mid = (mid + Math.imul(ah6, bl9)) | 0;
- hi = (hi + Math.imul(ah6, bh9)) | 0;
- var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
- w15 &= 0x3ffffff;
- /* k = 16 */
- lo = Math.imul(al9, bl7);
- mid = Math.imul(al9, bh7);
- mid = (mid + Math.imul(ah9, bl7)) | 0;
- hi = Math.imul(ah9, bh7);
- lo = (lo + Math.imul(al8, bl8)) | 0;
- mid = (mid + Math.imul(al8, bh8)) | 0;
- mid = (mid + Math.imul(ah8, bl8)) | 0;
- hi = (hi + Math.imul(ah8, bh8)) | 0;
- lo = (lo + Math.imul(al7, bl9)) | 0;
- mid = (mid + Math.imul(al7, bh9)) | 0;
- mid = (mid + Math.imul(ah7, bl9)) | 0;
- hi = (hi + Math.imul(ah7, bh9)) | 0;
- var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
- w16 &= 0x3ffffff;
- /* k = 17 */
- lo = Math.imul(al9, bl8);
- mid = Math.imul(al9, bh8);
- mid = (mid + Math.imul(ah9, bl8)) | 0;
- hi = Math.imul(ah9, bh8);
- lo = (lo + Math.imul(al8, bl9)) | 0;
- mid = (mid + Math.imul(al8, bh9)) | 0;
- mid = (mid + Math.imul(ah8, bl9)) | 0;
- hi = (hi + Math.imul(ah8, bh9)) | 0;
- var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
- w17 &= 0x3ffffff;
- /* k = 18 */
- lo = Math.imul(al9, bl9);
- mid = Math.imul(al9, bh9);
- mid = (mid + Math.imul(ah9, bl9)) | 0;
- hi = Math.imul(ah9, bh9);
- var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
- c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
- w18 &= 0x3ffffff;
- o[0] = w0;
- o[1] = w1;
- o[2] = w2;
- o[3] = w3;
- o[4] = w4;
- o[5] = w5;
- o[6] = w6;
- o[7] = w7;
- o[8] = w8;
- o[9] = w9;
- o[10] = w10;
- o[11] = w11;
- o[12] = w12;
- o[13] = w13;
- o[14] = w14;
- o[15] = w15;
- o[16] = w16;
- o[17] = w17;
- o[18] = w18;
- if (c !== 0) {
- o[19] = c;
- out.length++;
- }
- return out;
- };
-
- // Polyfill comb
- if (!Math.imul) {
- comb10MulTo = smallMulTo;
- }
-
- function bigMulTo (self, num, out) {
- out.negative = num.negative ^ self.negative;
- out.length = self.length + num.length;
-
- var carry = 0;
- var hncarry = 0;
- for (var k = 0; k < out.length - 1; k++) {
- // Sum all words with the same `i + j = k` and accumulate `ncarry`,
- // note that ncarry could be >= 0x3ffffff
- var ncarry = hncarry;
- hncarry = 0;
- var rword = carry & 0x3ffffff;
- var maxJ = Math.min(k, num.length - 1);
- for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
- var i = k - j;
- var a = self.words[i] | 0;
- var b = num.words[j] | 0;
- var r = a * b;
-
- var lo = r & 0x3ffffff;
- ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
- lo = (lo + rword) | 0;
- rword = lo & 0x3ffffff;
- ncarry = (ncarry + (lo >>> 26)) | 0;
-
- hncarry += ncarry >>> 26;
- ncarry &= 0x3ffffff;
- }
- out.words[k] = rword;
- carry = ncarry;
- ncarry = hncarry;
- }
- if (carry !== 0) {
- out.words[k] = carry;
- } else {
- out.length--;
- }
-
- return out.strip();
- }
-
- function jumboMulTo (self, num, out) {
- var fftm = new FFTM();
- return fftm.mulp(self, num, out);
- }
-
- BN.prototype.mulTo = function mulTo (num, out) {
- var res;
- var len = this.length + num.length;
- if (this.length === 10 && num.length === 10) {
- res = comb10MulTo(this, num, out);
- } else if (len < 63) {
- res = smallMulTo(this, num, out);
- } else if (len < 1024) {
- res = bigMulTo(this, num, out);
- } else {
- res = jumboMulTo(this, num, out);
- }
-
- return res;
- };
-
- // Cooley-Tukey algorithm for FFT
- // slightly revisited to rely on looping instead of recursion
-
- function FFTM (x, y) {
- this.x = x;
- this.y = y;
- }
-
- FFTM.prototype.makeRBT = function makeRBT (N) {
- var t = new Array(N);
- var l = BN.prototype._countBits(N) - 1;
- for (var i = 0; i < N; i++) {
- t[i] = this.revBin(i, l, N);
- }
-
- return t;
- };
-
- // Returns binary-reversed representation of `x`
- FFTM.prototype.revBin = function revBin (x, l, N) {
- if (x === 0 || x === N - 1) return x;
-
- var rb = 0;
- for (var i = 0; i < l; i++) {
- rb |= (x & 1) << (l - i - 1);
- x >>= 1;
- }
-
- return rb;
- };
-
- // Performs "tweedling" phase, therefore 'emulating'
- // behaviour of the recursive algorithm
- FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
- for (var i = 0; i < N; i++) {
- rtws[i] = rws[rbt[i]];
- itws[i] = iws[rbt[i]];
- }
- };
-
- FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
- this.permute(rbt, rws, iws, rtws, itws, N);
-
- for (var s = 1; s < N; s <<= 1) {
- var l = s << 1;
-
- var rtwdf = Math.cos(2 * Math.PI / l);
- var itwdf = Math.sin(2 * Math.PI / l);
-
- for (var p = 0; p < N; p += l) {
- var rtwdf_ = rtwdf;
- var itwdf_ = itwdf;
-
- for (var j = 0; j < s; j++) {
- var re = rtws[p + j];
- var ie = itws[p + j];
-
- var ro = rtws[p + j + s];
- var io = itws[p + j + s];
-
- var rx = rtwdf_ * ro - itwdf_ * io;
-
- io = rtwdf_ * io + itwdf_ * ro;
- ro = rx;
-
- rtws[p + j] = re + ro;
- itws[p + j] = ie + io;
-
- rtws[p + j + s] = re - ro;
- itws[p + j + s] = ie - io;
-
- /* jshint maxdepth : false */
- if (j !== l) {
- rx = rtwdf * rtwdf_ - itwdf * itwdf_;
-
- itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
- rtwdf_ = rx;
- }
- }
- }
- }
- };
-
- FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
- var N = Math.max(m, n) | 1;
- var odd = N & 1;
- var i = 0;
- for (N = N / 2 | 0; N; N = N >>> 1) {
- i++;
- }
-
- return 1 << i + 1 + odd;
- };
-
- FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
- if (N <= 1) return;
-
- for (var i = 0; i < N / 2; i++) {
- var t = rws[i];
-
- rws[i] = rws[N - i - 1];
- rws[N - i - 1] = t;
-
- t = iws[i];
-
- iws[i] = -iws[N - i - 1];
- iws[N - i - 1] = -t;
- }
- };
-
- FFTM.prototype.normalize13b = function normalize13b (ws, N) {
- var carry = 0;
- for (var i = 0; i < N / 2; i++) {
- var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
- Math.round(ws[2 * i] / N) +
- carry;
-
- ws[i] = w & 0x3ffffff;
-
- if (w < 0x4000000) {
- carry = 0;
- } else {
- carry = w / 0x4000000 | 0;
- }
- }
-
- return ws;
- };
-
- FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
- var carry = 0;
- for (var i = 0; i < len; i++) {
- carry = carry + (ws[i] | 0);
-
- rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
- rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
- }
-
- // Pad with zeroes
- for (i = 2 * len; i < N; ++i) {
- rws[i] = 0;
- }
-
- assert(carry === 0);
- assert((carry & ~0x1fff) === 0);
- };
-
- FFTM.prototype.stub = function stub (N) {
- var ph = new Array(N);
- for (var i = 0; i < N; i++) {
- ph[i] = 0;
- }
-
- return ph;
- };
-
- FFTM.prototype.mulp = function mulp (x, y, out) {
- var N = 2 * this.guessLen13b(x.length, y.length);
-
- var rbt = this.makeRBT(N);
-
- var _ = this.stub(N);
-
- var rws = new Array(N);
- var rwst = new Array(N);
- var iwst = new Array(N);
-
- var nrws = new Array(N);
- var nrwst = new Array(N);
- var niwst = new Array(N);
-
- var rmws = out.words;
- rmws.length = N;
-
- this.convert13b(x.words, x.length, rws, N);
- this.convert13b(y.words, y.length, nrws, N);
-
- this.transform(rws, _, rwst, iwst, N, rbt);
- this.transform(nrws, _, nrwst, niwst, N, rbt);
-
- for (var i = 0; i < N; i++) {
- var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
- iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
- rwst[i] = rx;
- }
-
- this.conjugate(rwst, iwst, N);
- this.transform(rwst, iwst, rmws, _, N, rbt);
- this.conjugate(rmws, _, N);
- this.normalize13b(rmws, N);
-
- out.negative = x.negative ^ y.negative;
- out.length = x.length + y.length;
- return out.strip();
- };
-
- // Multiply `this` by `num`
- BN.prototype.mul = function mul (num) {
- var out = new BN(null);
- out.words = new Array(this.length + num.length);
- return this.mulTo(num, out);
- };
-
- // Multiply employing FFT
- BN.prototype.mulf = function mulf (num) {
- var out = new BN(null);
- out.words = new Array(this.length + num.length);
- return jumboMulTo(this, num, out);
- };
-
- // In-place Multiplication
- BN.prototype.imul = function imul (num) {
- return this.clone().mulTo(num, this);
- };
-
- BN.prototype.imuln = function imuln (num) {
- assert(typeof num === 'number');
- assert(num < 0x4000000);
-
- // Carry
- var carry = 0;
- for (var i = 0; i < this.length; i++) {
- var w = (this.words[i] | 0) * num;
- var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
- carry >>= 26;
- carry += (w / 0x4000000) | 0;
- // NOTE: lo is 27bit maximum
- carry += lo >>> 26;
- this.words[i] = lo & 0x3ffffff;
- }
-
- if (carry !== 0) {
- this.words[i] = carry;
- this.length++;
- }
-
- return this;
- };
-
- BN.prototype.muln = function muln (num) {
- return this.clone().imuln(num);
- };
-
- // `this` * `this`
- BN.prototype.sqr = function sqr () {
- return this.mul(this);
- };
-
- // `this` * `this` in-place
- BN.prototype.isqr = function isqr () {
- return this.imul(this.clone());
- };
-
- // Math.pow(`this`, `num`)
- BN.prototype.pow = function pow (num) {
- var w = toBitArray(num);
- if (w.length === 0) return new BN(1);
-
- // Skip leading zeroes
- var res = this;
- for (var i = 0; i < w.length; i++, res = res.sqr()) {
- if (w[i] !== 0) break;
- }
-
- if (++i < w.length) {
- for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
- if (w[i] === 0) continue;
-
- res = res.mul(q);
- }
- }
-
- return res;
- };
-
- // Shift-left in-place
- BN.prototype.iushln = function iushln (bits) {
- assert(typeof bits === 'number' && bits >= 0);
- var r = bits % 26;
- var s = (bits - r) / 26;
- var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
- var i;
-
- if (r !== 0) {
- var carry = 0;
-
- for (i = 0; i < this.length; i++) {
- var newCarry = this.words[i] & carryMask;
- var c = ((this.words[i] | 0) - newCarry) << r;
- this.words[i] = c | carry;
- carry = newCarry >>> (26 - r);
- }
-
- if (carry) {
- this.words[i] = carry;
- this.length++;
- }
- }
-
- if (s !== 0) {
- for (i = this.length - 1; i >= 0; i--) {
- this.words[i + s] = this.words[i];
- }
-
- for (i = 0; i < s; i++) {
- this.words[i] = 0;
- }
-
- this.length += s;
- }
-
- return this.strip();
- };
-
- BN.prototype.ishln = function ishln (bits) {
- // TODO(indutny): implement me
- assert(this.negative === 0);
- return this.iushln(bits);
- };
-
- // Shift-right in-place
- // NOTE: `hint` is a lowest bit before trailing zeroes
- // NOTE: if `extended` is present - it will be filled with destroyed bits
- BN.prototype.iushrn = function iushrn (bits, hint, extended) {
- assert(typeof bits === 'number' && bits >= 0);
- var h;
- if (hint) {
- h = (hint - (hint % 26)) / 26;
- } else {
- h = 0;
- }
-
- var r = bits % 26;
- var s = Math.min((bits - r) / 26, this.length);
- var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
- var maskedWords = extended;
-
- h -= s;
- h = Math.max(0, h);
-
- // Extended mode, copy masked part
- if (maskedWords) {
- for (var i = 0; i < s; i++) {
- maskedWords.words[i] = this.words[i];
- }
- maskedWords.length = s;
- }
-
- if (s === 0) {
- // No-op, we should not move anything at all
- } else if (this.length > s) {
- this.length -= s;
- for (i = 0; i < this.length; i++) {
- this.words[i] = this.words[i + s];
- }
- } else {
- this.words[0] = 0;
- this.length = 1;
- }
-
- var carry = 0;
- for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
- var word = this.words[i] | 0;
- this.words[i] = (carry << (26 - r)) | (word >>> r);
- carry = word & mask;
- }
-
- // Push carried bits as a mask
- if (maskedWords && carry !== 0) {
- maskedWords.words[maskedWords.length++] = carry;
- }
-
- if (this.length === 0) {
- this.words[0] = 0;
- this.length = 1;
- }
-
- return this.strip();
- };
-
- BN.prototype.ishrn = function ishrn (bits, hint, extended) {
- // TODO(indutny): implement me
- assert(this.negative === 0);
- return this.iushrn(bits, hint, extended);
- };
-
- // Shift-left
- BN.prototype.shln = function shln (bits) {
- return this.clone().ishln(bits);
- };
-
- BN.prototype.ushln = function ushln (bits) {
- return this.clone().iushln(bits);
- };
-
- // Shift-right
- BN.prototype.shrn = function shrn (bits) {
- return this.clone().ishrn(bits);
- };
-
- BN.prototype.ushrn = function ushrn (bits) {
- return this.clone().iushrn(bits);
- };
-
- // Test if n bit is set
- BN.prototype.testn = function testn (bit) {
- assert(typeof bit === 'number' && bit >= 0);
- var r = bit % 26;
- var s = (bit - r) / 26;
- var q = 1 << r;
-
- // Fast case: bit is much higher than all existing words
- if (this.length <= s) return false;
-
- // Check bit and return
- var w = this.words[s];
-
- return !!(w & q);
- };
-
- // Return only lowers bits of number (in-place)
- BN.prototype.imaskn = function imaskn (bits) {
- assert(typeof bits === 'number' && bits >= 0);
- var r = bits % 26;
- var s = (bits - r) / 26;
-
- assert(this.negative === 0, 'imaskn works only with positive numbers');
-
- if (this.length <= s) {
- return this;
- }
-
- if (r !== 0) {
- s++;
- }
- this.length = Math.min(s, this.length);
-
- if (r !== 0) {
- var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
- this.words[this.length - 1] &= mask;
- }
-
- return this.strip();
- };
-
- // Return only lowers bits of number
- BN.prototype.maskn = function maskn (bits) {
- return this.clone().imaskn(bits);
- };
-
- // Add plain number `num` to `this`
- BN.prototype.iaddn = function iaddn (num) {
- assert(typeof num === 'number');
- assert(num < 0x4000000);
- if (num < 0) return this.isubn(-num);
-
- // Possible sign change
- if (this.negative !== 0) {
- if (this.length === 1 && (this.words[0] | 0) < num) {
- this.words[0] = num - (this.words[0] | 0);
- this.negative = 0;
- return this;
- }
-
- this.negative = 0;
- this.isubn(num);
- this.negative = 1;
- return this;
- }
-
- // Add without checks
- return this._iaddn(num);
- };
-
- BN.prototype._iaddn = function _iaddn (num) {
- this.words[0] += num;
-
- // Carry
- for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
- this.words[i] -= 0x4000000;
- if (i === this.length - 1) {
- this.words[i + 1] = 1;
- } else {
- this.words[i + 1]++;
- }
- }
- this.length = Math.max(this.length, i + 1);
-
- return this;
- };
-
- // Subtract plain number `num` from `this`
- BN.prototype.isubn = function isubn (num) {
- assert(typeof num === 'number');
- assert(num < 0x4000000);
- if (num < 0) return this.iaddn(-num);
-
- if (this.negative !== 0) {
- this.negative = 0;
- this.iaddn(num);
- this.negative = 1;
- return this;
- }
-
- this.words[0] -= num;
-
- if (this.length === 1 && this.words[0] < 0) {
- this.words[0] = -this.words[0];
- this.negative = 1;
- } else {
- // Carry
- for (var i = 0; i < this.length && this.words[i] < 0; i++) {
- this.words[i] += 0x4000000;
- this.words[i + 1] -= 1;
- }
- }
-
- return this.strip();
- };
-
- BN.prototype.addn = function addn (num) {
- return this.clone().iaddn(num);
- };
-
- BN.prototype.subn = function subn (num) {
- return this.clone().isubn(num);
- };
-
- BN.prototype.iabs = function iabs () {
- this.negative = 0;
-
- return this;
- };
-
- BN.prototype.abs = function abs () {
- return this.clone().iabs();
- };
-
- BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
- var len = num.length + shift;
- var i;
-
- this._expand(len);
-
- var w;
- var carry = 0;
- for (i = 0; i < num.length; i++) {
- w = (this.words[i + shift] | 0) + carry;
- var right = (num.words[i] | 0) * mul;
- w -= right & 0x3ffffff;
- carry = (w >> 26) - ((right / 0x4000000) | 0);
- this.words[i + shift] = w & 0x3ffffff;
- }
- for (; i < this.length - shift; i++) {
- w = (this.words[i + shift] | 0) + carry;
- carry = w >> 26;
- this.words[i + shift] = w & 0x3ffffff;
- }
-
- if (carry === 0) return this.strip();
-
- // Subtraction overflow
- assert(carry === -1);
- carry = 0;
- for (i = 0; i < this.length; i++) {
- w = -(this.words[i] | 0) + carry;
- carry = w >> 26;
- this.words[i] = w & 0x3ffffff;
- }
- this.negative = 1;
-
- return this.strip();
- };
-
- BN.prototype._wordDiv = function _wordDiv (num, mode) {
- var shift = this.length - num.length;
-
- var a = this.clone();
- var b = num;
-
- // Normalize
- var bhi = b.words[b.length - 1] | 0;
- var bhiBits = this._countBits(bhi);
- shift = 26 - bhiBits;
- if (shift !== 0) {
- b = b.ushln(shift);
- a.iushln(shift);
- bhi = b.words[b.length - 1] | 0;
- }
-
- // Initialize quotient
- var m = a.length - b.length;
- var q;
-
- if (mode !== 'mod') {
- q = new BN(null);
- q.length = m + 1;
- q.words = new Array(q.length);
- for (var i = 0; i < q.length; i++) {
- q.words[i] = 0;
- }
- }
-
- var diff = a.clone()._ishlnsubmul(b, 1, m);
- if (diff.negative === 0) {
- a = diff;
- if (q) {
- q.words[m] = 1;
- }
- }
-
- for (var j = m - 1; j >= 0; j--) {
- var qj = (a.words[b.length + j] | 0) * 0x4000000 +
- (a.words[b.length + j - 1] | 0);
-
- // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
- // (0x7ffffff)
- qj = Math.min((qj / bhi) | 0, 0x3ffffff);
-
- a._ishlnsubmul(b, qj, j);
- while (a.negative !== 0) {
- qj--;
- a.negative = 0;
- a._ishlnsubmul(b, 1, j);
- if (!a.isZero()) {
- a.negative ^= 1;
- }
- }
- if (q) {
- q.words[j] = qj;
- }
- }
- if (q) {
- q.strip();
- }
- a.strip();
-
- // Denormalize
- if (mode !== 'div' && shift !== 0) {
- a.iushrn(shift);
- }
-
- return {
- div: q || null,
- mod: a
- };
- };
-
- // NOTE: 1) `mode` can be set to `mod` to request mod only,
- // to `div` to request div only, or be absent to
- // request both div & mod
- // 2) `positive` is true if unsigned mod is requested
- BN.prototype.divmod = function divmod (num, mode, positive) {
- assert(!num.isZero());
-
- if (this.isZero()) {
- return {
- div: new BN(0),
- mod: new BN(0)
- };
- }
-
- var div, mod, res;
- if (this.negative !== 0 && num.negative === 0) {
- res = this.neg().divmod(num, mode);
-
- if (mode !== 'mod') {
- div = res.div.neg();
- }
-
- if (mode !== 'div') {
- mod = res.mod.neg();
- if (positive && mod.negative !== 0) {
- mod.iadd(num);
- }
- }
-
- return {
- div: div,
- mod: mod
- };
- }
-
- if (this.negative === 0 && num.negative !== 0) {
- res = this.divmod(num.neg(), mode);
-
- if (mode !== 'mod') {
- div = res.div.neg();
- }
-
- return {
- div: div,
- mod: res.mod
- };
- }
-
- if ((this.negative & num.negative) !== 0) {
- res = this.neg().divmod(num.neg(), mode);
-
- if (mode !== 'div') {
- mod = res.mod.neg();
- if (positive && mod.negative !== 0) {
- mod.isub(num);
- }
- }
-
- return {
- div: res.div,
- mod: mod
- };
- }
-
- // Both numbers are positive at this point
-
- // Strip both numbers to approximate shift value
- if (num.length > this.length || this.cmp(num) < 0) {
- return {
- div: new BN(0),
- mod: this
- };
- }
-
- // Very short reduction
- if (num.length === 1) {
- if (mode === 'div') {
- return {
- div: this.divn(num.words[0]),
- mod: null
- };
- }
-
- if (mode === 'mod') {
- return {
- div: null,
- mod: new BN(this.modn(num.words[0]))
- };
- }
-
- return {
- div: this.divn(num.words[0]),
- mod: new BN(this.modn(num.words[0]))
- };
- }
-
- return this._wordDiv(num, mode);
- };
-
- // Find `this` / `num`
- BN.prototype.div = function div (num) {
- return this.divmod(num, 'div', false).div;
- };
-
- // Find `this` % `num`
- BN.prototype.mod = function mod (num) {
- return this.divmod(num, 'mod', false).mod;
- };
-
- BN.prototype.umod = function umod (num) {
- return this.divmod(num, 'mod', true).mod;
- };
-
- // Find Round(`this` / `num`)
- BN.prototype.divRound = function divRound (num) {
- var dm = this.divmod(num);
-
- // Fast case - exact division
- if (dm.mod.isZero()) return dm.div;
-
- var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
-
- var half = num.ushrn(1);
- var r2 = num.andln(1);
- var cmp = mod.cmp(half);
-
- // Round down
- if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
-
- // Round up
- return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
- };
-
- BN.prototype.modn = function modn (num) {
- assert(num <= 0x3ffffff);
- var p = (1 << 26) % num;
-
- var acc = 0;
- for (var i = this.length - 1; i >= 0; i--) {
- acc = (p * acc + (this.words[i] | 0)) % num;
- }
-
- return acc;
- };
-
- // In-place division by number
- BN.prototype.idivn = function idivn (num) {
- assert(num <= 0x3ffffff);
-
- var carry = 0;
- for (var i = this.length - 1; i >= 0; i--) {
- var w = (this.words[i] | 0) + carry * 0x4000000;
- this.words[i] = (w / num) | 0;
- carry = w % num;
- }
-
- return this.strip();
- };
-
- BN.prototype.divn = function divn (num) {
- return this.clone().idivn(num);
- };
-
- BN.prototype.egcd = function egcd (p) {
- assert(p.negative === 0);
- assert(!p.isZero());
-
- var x = this;
- var y = p.clone();
-
- if (x.negative !== 0) {
- x = x.umod(p);
- } else {
- x = x.clone();
- }
-
- // A * x + B * y = x
- var A = new BN(1);
- var B = new BN(0);
-
- // C * x + D * y = y
- var C = new BN(0);
- var D = new BN(1);
-
- var g = 0;
-
- while (x.isEven() && y.isEven()) {
- x.iushrn(1);
- y.iushrn(1);
- ++g;
- }
-
- var yp = y.clone();
- var xp = x.clone();
-
- while (!x.isZero()) {
- for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
- if (i > 0) {
- x.iushrn(i);
- while (i-- > 0) {
- if (A.isOdd() || B.isOdd()) {
- A.iadd(yp);
- B.isub(xp);
- }
-
- A.iushrn(1);
- B.iushrn(1);
- }
- }
-
- for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
- if (j > 0) {
- y.iushrn(j);
- while (j-- > 0) {
- if (C.isOdd() || D.isOdd()) {
- C.iadd(yp);
- D.isub(xp);
- }
-
- C.iushrn(1);
- D.iushrn(1);
- }
- }
-
- if (x.cmp(y) >= 0) {
- x.isub(y);
- A.isub(C);
- B.isub(D);
- } else {
- y.isub(x);
- C.isub(A);
- D.isub(B);
- }
- }
-
- return {
- a: C,
- b: D,
- gcd: y.iushln(g)
- };
- };
-
- // This is reduced incarnation of the binary EEA
- // above, designated to invert members of the
- // _prime_ fields F(p) at a maximal speed
- BN.prototype._invmp = function _invmp (p) {
- assert(p.negative === 0);
- assert(!p.isZero());
-
- var a = this;
- var b = p.clone();
-
- if (a.negative !== 0) {
- a = a.umod(p);
- } else {
- a = a.clone();
- }
-
- var x1 = new BN(1);
- var x2 = new BN(0);
-
- var delta = b.clone();
-
- while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
- for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
- if (i > 0) {
- a.iushrn(i);
- while (i-- > 0) {
- if (x1.isOdd()) {
- x1.iadd(delta);
- }
-
- x1.iushrn(1);
- }
- }
-
- for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
- if (j > 0) {
- b.iushrn(j);
- while (j-- > 0) {
- if (x2.isOdd()) {
- x2.iadd(delta);
- }
-
- x2.iushrn(1);
- }
- }
-
- if (a.cmp(b) >= 0) {
- a.isub(b);
- x1.isub(x2);
- } else {
- b.isub(a);
- x2.isub(x1);
- }
- }
-
- var res;
- if (a.cmpn(1) === 0) {
- res = x1;
- } else {
- res = x2;
- }
-
- if (res.cmpn(0) < 0) {
- res.iadd(p);
- }
-
- return res;
- };
-
- BN.prototype.gcd = function gcd (num) {
- if (this.isZero()) return num.abs();
- if (num.isZero()) return this.abs();
-
- var a = this.clone();
- var b = num.clone();
- a.negative = 0;
- b.negative = 0;
-
- // Remove common factor of two
- for (var shift = 0; a.isEven() && b.isEven(); shift++) {
- a.iushrn(1);
- b.iushrn(1);
- }
-
- do {
- while (a.isEven()) {
- a.iushrn(1);
- }
- while (b.isEven()) {
- b.iushrn(1);
- }
-
- var r = a.cmp(b);
- if (r < 0) {
- // Swap `a` and `b` to make `a` always bigger than `b`
- var t = a;
- a = b;
- b = t;
- } else if (r === 0 || b.cmpn(1) === 0) {
- break;
- }
-
- a.isub(b);
- } while (true);
-
- return b.iushln(shift);
- };
-
- // Invert number in the field F(num)
- BN.prototype.invm = function invm (num) {
- return this.egcd(num).a.umod(num);
- };
-
- BN.prototype.isEven = function isEven () {
- return (this.words[0] & 1) === 0;
- };
-
- BN.prototype.isOdd = function isOdd () {
- return (this.words[0] & 1) === 1;
- };
-
- // And first word and num
- BN.prototype.andln = function andln (num) {
- return this.words[0] & num;
- };
-
- // Increment at the bit position in-line
- BN.prototype.bincn = function bincn (bit) {
- assert(typeof bit === 'number');
- var r = bit % 26;
- var s = (bit - r) / 26;
- var q = 1 << r;
-
- // Fast case: bit is much higher than all existing words
- if (this.length <= s) {
- this._expand(s + 1);
- this.words[s] |= q;
- return this;
- }
-
- // Add bit and propagate, if needed
- var carry = q;
- for (var i = s; carry !== 0 && i < this.length; i++) {
- var w = this.words[i] | 0;
- w += carry;
- carry = w >>> 26;
- w &= 0x3ffffff;
- this.words[i] = w;
- }
- if (carry !== 0) {
- this.words[i] = carry;
- this.length++;
- }
- return this;
- };
-
- BN.prototype.isZero = function isZero () {
- return this.length === 1 && this.words[0] === 0;
- };
-
- BN.prototype.cmpn = function cmpn (num) {
- var negative = num < 0;
-
- if (this.negative !== 0 && !negative) return -1;
- if (this.negative === 0 && negative) return 1;
-
- this.strip();
-
- var res;
- if (this.length > 1) {
- res = 1;
- } else {
- if (negative) {
- num = -num;
- }
-
- assert(num <= 0x3ffffff, 'Number is too big');
-
- var w = this.words[0] | 0;
- res = w === num ? 0 : w < num ? -1 : 1;
- }
- if (this.negative !== 0) return -res | 0;
- return res;
- };
-
- // Compare two numbers and return:
- // 1 - if `this` > `num`
- // 0 - if `this` == `num`
- // -1 - if `this` < `num`
- BN.prototype.cmp = function cmp (num) {
- if (this.negative !== 0 && num.negative === 0) return -1;
- if (this.negative === 0 && num.negative !== 0) return 1;
-
- var res = this.ucmp(num);
- if (this.negative !== 0) return -res | 0;
- return res;
- };
-
- // Unsigned comparison
- BN.prototype.ucmp = function ucmp (num) {
- // At this point both numbers have the same sign
- if (this.length > num.length) return 1;
- if (this.length < num.length) return -1;
-
- var res = 0;
- for (var i = this.length - 1; i >= 0; i--) {
- var a = this.words[i] | 0;
- var b = num.words[i] | 0;
-
- if (a === b) continue;
- if (a < b) {
- res = -1;
- } else if (a > b) {
- res = 1;
- }
- break;
- }
- return res;
- };
-
- BN.prototype.gtn = function gtn (num) {
- return this.cmpn(num) === 1;
- };
-
- BN.prototype.gt = function gt (num) {
- return this.cmp(num) === 1;
- };
-
- BN.prototype.gten = function gten (num) {
- return this.cmpn(num) >= 0;
- };
-
- BN.prototype.gte = function gte (num) {
- return this.cmp(num) >= 0;
- };
-
- BN.prototype.ltn = function ltn (num) {
- return this.cmpn(num) === -1;
- };
-
- BN.prototype.lt = function lt (num) {
- return this.cmp(num) === -1;
- };
-
- BN.prototype.lten = function lten (num) {
- return this.cmpn(num) <= 0;
- };
-
- BN.prototype.lte = function lte (num) {
- return this.cmp(num) <= 0;
- };
-
- BN.prototype.eqn = function eqn (num) {
- return this.cmpn(num) === 0;
- };
-
- BN.prototype.eq = function eq (num) {
- return this.cmp(num) === 0;
- };
-
- //
- // A reduce context, could be using montgomery or something better, depending
- // on the `m` itself.
- //
- BN.red = function red (num) {
- return new Red(num);
- };
-
- BN.prototype.toRed = function toRed (ctx) {
- assert(!this.red, 'Already a number in reduction context');
- assert(this.negative === 0, 'red works only with positives');
- return ctx.convertTo(this)._forceRed(ctx);
- };
-
- BN.prototype.fromRed = function fromRed () {
- assert(this.red, 'fromRed works only with numbers in reduction context');
- return this.red.convertFrom(this);
- };
-
- BN.prototype._forceRed = function _forceRed (ctx) {
- this.red = ctx;
- return this;
- };
-
- BN.prototype.forceRed = function forceRed (ctx) {
- assert(!this.red, 'Already a number in reduction context');
- return this._forceRed(ctx);
- };
-
- BN.prototype.redAdd = function redAdd (num) {
- assert(this.red, 'redAdd works only with red numbers');
- return this.red.add(this, num);
- };
-
- BN.prototype.redIAdd = function redIAdd (num) {
- assert(this.red, 'redIAdd works only with red numbers');
- return this.red.iadd(this, num);
- };
-
- BN.prototype.redSub = function redSub (num) {
- assert(this.red, 'redSub works only with red numbers');
- return this.red.sub(this, num);
- };
-
- BN.prototype.redISub = function redISub (num) {
- assert(this.red, 'redISub works only with red numbers');
- return this.red.isub(this, num);
- };
-
- BN.prototype.redShl = function redShl (num) {
- assert(this.red, 'redShl works only with red numbers');
- return this.red.shl(this, num);
- };
-
- BN.prototype.redMul = function redMul (num) {
- assert(this.red, 'redMul works only with red numbers');
- this.red._verify2(this, num);
- return this.red.mul(this, num);
- };
-
- BN.prototype.redIMul = function redIMul (num) {
- assert(this.red, 'redMul works only with red numbers');
- this.red._verify2(this, num);
- return this.red.imul(this, num);
- };
-
- BN.prototype.redSqr = function redSqr () {
- assert(this.red, 'redSqr works only with red numbers');
- this.red._verify1(this);
- return this.red.sqr(this);
- };
-
- BN.prototype.redISqr = function redISqr () {
- assert(this.red, 'redISqr works only with red numbers');
- this.red._verify1(this);
- return this.red.isqr(this);
- };
-
- // Square root over p
- BN.prototype.redSqrt = function redSqrt () {
- assert(this.red, 'redSqrt works only with red numbers');
- this.red._verify1(this);
- return this.red.sqrt(this);
- };
-
- BN.prototype.redInvm = function redInvm () {
- assert(this.red, 'redInvm works only with red numbers');
- this.red._verify1(this);
- return this.red.invm(this);
- };
-
- // Return negative clone of `this` % `red modulo`
- BN.prototype.redNeg = function redNeg () {
- assert(this.red, 'redNeg works only with red numbers');
- this.red._verify1(this);
- return this.red.neg(this);
- };
-
- BN.prototype.redPow = function redPow (num) {
- assert(this.red && !num.red, 'redPow(normalNum)');
- this.red._verify1(this);
- return this.red.pow(this, num);
- };
-
- // Prime numbers with efficient reduction
- var primes = {
- k256: null,
- p224: null,
- p192: null,
- p25519: null
- };
-
- // Pseudo-Mersenne prime
- function MPrime (name, p) {
- // P = 2 ^ N - K
- this.name = name;
- this.p = new BN(p, 16);
- this.n = this.p.bitLength();
- this.k = new BN(1).iushln(this.n).isub(this.p);
-
- this.tmp = this._tmp();
- }
-
- MPrime.prototype._tmp = function _tmp () {
- var tmp = new BN(null);
- tmp.words = new Array(Math.ceil(this.n / 13));
- return tmp;
- };
-
- MPrime.prototype.ireduce = function ireduce (num) {
- // Assumes that `num` is less than `P^2`
- // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
- var r = num;
- var rlen;
-
- do {
- this.split(r, this.tmp);
- r = this.imulK(r);
- r = r.iadd(this.tmp);
- rlen = r.bitLength();
- } while (rlen > this.n);
-
- var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
- if (cmp === 0) {
- r.words[0] = 0;
- r.length = 1;
- } else if (cmp > 0) {
- r.isub(this.p);
- } else {
- r.strip();
- }
-
- return r;
- };
-
- MPrime.prototype.split = function split (input, out) {
- input.iushrn(this.n, 0, out);
- };
-
- MPrime.prototype.imulK = function imulK (num) {
- return num.imul(this.k);
- };
-
- function K256 () {
- MPrime.call(
- this,
- 'k256',
- 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
- }
- inherits(K256, MPrime);
-
- K256.prototype.split = function split (input, output) {
- // 256 = 9 * 26 + 22
- var mask = 0x3fffff;
-
- var outLen = Math.min(input.length, 9);
- for (var i = 0; i < outLen; i++) {
- output.words[i] = input.words[i];
- }
- output.length = outLen;
-
- if (input.length <= 9) {
- input.words[0] = 0;
- input.length = 1;
- return;
- }
-
- // Shift by 9 limbs
- var prev = input.words[9];
- output.words[output.length++] = prev & mask;
-
- for (i = 10; i < input.length; i++) {
- var next = input.words[i] | 0;
- input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
- prev = next;
- }
- prev >>>= 22;
- input.words[i - 10] = prev;
- if (prev === 0 && input.length > 10) {
- input.length -= 10;
- } else {
- input.length -= 9;
- }
- };
-
- K256.prototype.imulK = function imulK (num) {
- // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
- num.words[num.length] = 0;
- num.words[num.length + 1] = 0;
- num.length += 2;
-
- // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
- var lo = 0;
- for (var i = 0; i < num.length; i++) {
- var w = num.words[i] | 0;
- lo += w * 0x3d1;
- num.words[i] = lo & 0x3ffffff;
- lo = w * 0x40 + ((lo / 0x4000000) | 0);
- }
-
- // Fast length reduction
- if (num.words[num.length - 1] === 0) {
- num.length--;
- if (num.words[num.length - 1] === 0) {
- num.length--;
- }
- }
- return num;
- };
-
- function P224 () {
- MPrime.call(
- this,
- 'p224',
- 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
- }
- inherits(P224, MPrime);
-
- function P192 () {
- MPrime.call(
- this,
- 'p192',
- 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
- }
- inherits(P192, MPrime);
-
- function P25519 () {
- // 2 ^ 255 - 19
- MPrime.call(
- this,
- '25519',
- '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
- }
- inherits(P25519, MPrime);
-
- P25519.prototype.imulK = function imulK (num) {
- // K = 0x13
- var carry = 0;
- for (var i = 0; i < num.length; i++) {
- var hi = (num.words[i] | 0) * 0x13 + carry;
- var lo = hi & 0x3ffffff;
- hi >>>= 26;
-
- num.words[i] = lo;
- carry = hi;
- }
- if (carry !== 0) {
- num.words[num.length++] = carry;
- }
- return num;
- };
-
- // Exported mostly for testing purposes, use plain name instead
- BN._prime = function prime (name) {
- // Cached version of prime
- if (primes[name]) return primes[name];
-
- var prime;
- if (name === 'k256') {
- prime = new K256();
- } else if (name === 'p224') {
- prime = new P224();
- } else if (name === 'p192') {
- prime = new P192();
- } else if (name === 'p25519') {
- prime = new P25519();
- } else {
- throw new Error('Unknown prime ' + name);
- }
- primes[name] = prime;
-
- return prime;
- };
-
- //
- // Base reduction engine
- //
- function Red (m) {
- if (typeof m === 'string') {
- var prime = BN._prime(m);
- this.m = prime.p;
- this.prime = prime;
- } else {
- assert(m.gtn(1), 'modulus must be greater than 1');
- this.m = m;
- this.prime = null;
- }
- }
-
- Red.prototype._verify1 = function _verify1 (a) {
- assert(a.negative === 0, 'red works only with positives');
- assert(a.red, 'red works only with red numbers');
- };
-
- Red.prototype._verify2 = function _verify2 (a, b) {
- assert((a.negative | b.negative) === 0, 'red works only with positives');
- assert(a.red && a.red === b.red,
- 'red works only with red numbers');
- };
-
- Red.prototype.imod = function imod (a) {
- if (this.prime) return this.prime.ireduce(a)._forceRed(this);
- return a.umod(this.m)._forceRed(this);
- };
-
- Red.prototype.neg = function neg (a) {
- if (a.isZero()) {
- return a.clone();
- }
-
- return this.m.sub(a)._forceRed(this);
- };
-
- Red.prototype.add = function add (a, b) {
- this._verify2(a, b);
-
- var res = a.add(b);
- if (res.cmp(this.m) >= 0) {
- res.isub(this.m);
- }
- return res._forceRed(this);
- };
-
- Red.prototype.iadd = function iadd (a, b) {
- this._verify2(a, b);
-
- var res = a.iadd(b);
- if (res.cmp(this.m) >= 0) {
- res.isub(this.m);
- }
- return res;
- };
-
- Red.prototype.sub = function sub (a, b) {
- this._verify2(a, b);
-
- var res = a.sub(b);
- if (res.cmpn(0) < 0) {
- res.iadd(this.m);
- }
- return res._forceRed(this);
- };
-
- Red.prototype.isub = function isub (a, b) {
- this._verify2(a, b);
-
- var res = a.isub(b);
- if (res.cmpn(0) < 0) {
- res.iadd(this.m);
- }
- return res;
- };
-
- Red.prototype.shl = function shl (a, num) {
- this._verify1(a);
- return this.imod(a.ushln(num));
- };
-
- Red.prototype.imul = function imul (a, b) {
- this._verify2(a, b);
- return this.imod(a.imul(b));
- };
-
- Red.prototype.mul = function mul (a, b) {
- this._verify2(a, b);
- return this.imod(a.mul(b));
- };
-
- Red.prototype.isqr = function isqr (a) {
- return this.imul(a, a.clone());
- };
-
- Red.prototype.sqr = function sqr (a) {
- return this.mul(a, a);
- };
-
- Red.prototype.sqrt = function sqrt (a) {
- if (a.isZero()) return a.clone();
-
- var mod3 = this.m.andln(3);
- assert(mod3 % 2 === 1);
-
- // Fast case
- if (mod3 === 3) {
- var pow = this.m.add(new BN(1)).iushrn(2);
- return this.pow(a, pow);
- }
-
- // Tonelli-Shanks algorithm (Totally unoptimized and slow)
- //
- // Find Q and S, that Q * 2 ^ S = (P - 1)
- var q = this.m.subn(1);
- var s = 0;
- while (!q.isZero() && q.andln(1) === 0) {
- s++;
- q.iushrn(1);
- }
- assert(!q.isZero());
-
- var one = new BN(1).toRed(this);
- var nOne = one.redNeg();
-
- // Find quadratic non-residue
- // NOTE: Max is such because of generalized Riemann hypothesis.
- var lpow = this.m.subn(1).iushrn(1);
- var z = this.m.bitLength();
- z = new BN(2 * z * z).toRed(this);
-
- while (this.pow(z, lpow).cmp(nOne) !== 0) {
- z.redIAdd(nOne);
- }
-
- var c = this.pow(z, q);
- var r = this.pow(a, q.addn(1).iushrn(1));
- var t = this.pow(a, q);
- var m = s;
- while (t.cmp(one) !== 0) {
- var tmp = t;
- for (var i = 0; tmp.cmp(one) !== 0; i++) {
- tmp = tmp.redSqr();
- }
- assert(i < m);
- var b = this.pow(c, new BN(1).iushln(m - i - 1));
-
- r = r.redMul(b);
- c = b.redSqr();
- t = t.redMul(c);
- m = i;
- }
-
- return r;
- };
-
- Red.prototype.invm = function invm (a) {
- var inv = a._invmp(this.m);
- if (inv.negative !== 0) {
- inv.negative = 0;
- return this.imod(inv).redNeg();
- } else {
- return this.imod(inv);
- }
- };
-
- Red.prototype.pow = function pow (a, num) {
- if (num.isZero()) return new BN(1);
- if (num.cmpn(1) === 0) return a.clone();
-
- var windowSize = 4;
- var wnd = new Array(1 << windowSize);
- wnd[0] = new BN(1).toRed(this);
- wnd[1] = a;
- for (var i = 2; i < wnd.length; i++) {
- wnd[i] = this.mul(wnd[i - 1], a);
- }
-
- var res = wnd[0];
- var current = 0;
- var currentLen = 0;
- var start = num.bitLength() % 26;
- if (start === 0) {
- start = 26;
- }
-
- for (i = num.length - 1; i >= 0; i--) {
- var word = num.words[i];
- for (var j = start - 1; j >= 0; j--) {
- var bit = (word >> j) & 1;
- if (res !== wnd[0]) {
- res = this.sqr(res);
- }
-
- if (bit === 0 && current === 0) {
- currentLen = 0;
- continue;
- }
-
- current <<= 1;
- current |= bit;
- currentLen++;
- if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
-
- res = this.mul(res, wnd[current]);
- currentLen = 0;
- current = 0;
- }
- start = 26;
- }
-
- return res;
- };
-
- Red.prototype.convertTo = function convertTo (num) {
- var r = num.umod(this.m);
-
- return r === num ? r.clone() : r;
- };
-
- Red.prototype.convertFrom = function convertFrom (num) {
- var res = num.clone();
- res.red = null;
- return res;
- };
-
- //
- // Montgomery method engine
- //
-
- BN.mont = function mont (num) {
- return new Mont(num);
- };
-
- function Mont (m) {
- Red.call(this, m);
-
- this.shift = this.m.bitLength();
- if (this.shift % 26 !== 0) {
- this.shift += 26 - (this.shift % 26);
- }
-
- this.r = new BN(1).iushln(this.shift);
- this.r2 = this.imod(this.r.sqr());
- this.rinv = this.r._invmp(this.m);
-
- this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
- this.minv = this.minv.umod(this.r);
- this.minv = this.r.sub(this.minv);
- }
- inherits(Mont, Red);
-
- Mont.prototype.convertTo = function convertTo (num) {
- return this.imod(num.ushln(this.shift));
- };
-
- Mont.prototype.convertFrom = function convertFrom (num) {
- var r = this.imod(num.mul(this.rinv));
- r.red = null;
- return r;
- };
-
- Mont.prototype.imul = function imul (a, b) {
- if (a.isZero() || b.isZero()) {
- a.words[0] = 0;
- a.length = 1;
- return a;
- }
-
- var t = a.imul(b);
- var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
- var u = t.isub(c).iushrn(this.shift);
- var res = u;
-
- if (u.cmp(this.m) >= 0) {
- res = u.isub(this.m);
- } else if (u.cmpn(0) < 0) {
- res = u.iadd(this.m);
- }
-
- return res._forceRed(this);
- };
-
- Mont.prototype.mul = function mul (a, b) {
- if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
-
- var t = a.mul(b);
- var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
- var u = t.isub(c).iushrn(this.shift);
- var res = u;
- if (u.cmp(this.m) >= 0) {
- res = u.isub(this.m);
- } else if (u.cmpn(0) < 0) {
- res = u.iadd(this.m);
- }
-
- return res._forceRed(this);
- };
-
- Mont.prototype.invm = function invm (a) {
- // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
- var res = this.imod(a._invmp(this.m).mul(this.r2));
- return res._forceRed(this);
- };
-})(typeof module === 'undefined' || module, this);
-
-},{}],82:[function(require,module,exports){
-var r;
-
-module.exports = function rand(len) {
- if (!r)
- r = new Rand(null);
-
- return r.generate(len);
-};
-
-function Rand(rand) {
- this.rand = rand;
-}
-module.exports.Rand = Rand;
-
-Rand.prototype.generate = function generate(len) {
- return this._rand(len);
-};
-
-// Emulate crypto API using randy
-Rand.prototype._rand = function _rand(n) {
- if (this.rand.getBytes)
- return this.rand.getBytes(n);
-
- var res = new Uint8Array(n);
- for (var i = 0; i < res.length; i++)
- res[i] = this.rand.getByte();
- return res;
-};
-
-if (typeof self === 'object') {
- if (self.crypto && self.crypto.getRandomValues) {
- // Modern browsers
- Rand.prototype._rand = function _rand(n) {
- var arr = new Uint8Array(n);
- self.crypto.getRandomValues(arr);
- return arr;
- };
- } else if (self.msCrypto && self.msCrypto.getRandomValues) {
- // IE
- Rand.prototype._rand = function _rand(n) {
- var arr = new Uint8Array(n);
- self.msCrypto.getRandomValues(arr);
- return arr;
- };
-
- // Safari's WebWorkers do not have `crypto`
- } else if (typeof window === 'object') {
- // Old junk
- Rand.prototype._rand = function() {
- throw new Error('Not implemented yet');
- };
- }
-} else {
- // Node.js or Web worker with no crypto support
- try {
- var crypto = require('crypto');
- if (typeof crypto.randomBytes !== 'function')
- throw new Error('Not supported');
-
- Rand.prototype._rand = function _rand(n) {
- return crypto.randomBytes(n);
- };
- } catch (e) {
- }
-}
-
-},{"crypto":3}],83:[function(require,module,exports){
+},{"typeforce":112}],81:[function(require,module,exports){
var basex = require('base-x')
var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
module.exports = basex(ALPHABET)
-},{"base-x":35}],84:[function(require,module,exports){
-(function (Buffer){
+},{"base-x":35}],82:[function(require,module,exports){
'use strict'
var base58 = require('bs58')
+var Buffer = require('safe-buffer').Buffer
module.exports = function (checksumFn) {
// Encode a buffer as a base58-check encoded string
@@ -42570,8 +39095,7 @@ module.exports = function (checksumFn) {
}
}
-}).call(this,require("buffer").Buffer)
-},{"bs58":83,"buffer":5}],85:[function(require,module,exports){
+},{"bs58":81,"safe-buffer":101}],83:[function(require,module,exports){
'use strict'
var createHash = require('create-hash')
@@ -42585,7 +39109,7 @@ function sha256x2 (buffer) {
module.exports = bs58checkBase(sha256x2)
-},{"./base":84,"create-hash":87}],86:[function(require,module,exports){
+},{"./base":82,"create-hash":85}],84:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
var Transform = require('stream').Transform
var StringDecoder = require('string_decoder').StringDecoder
@@ -42686,7 +39210,7 @@ CipherBase.prototype._toString = function (value, enc, fin) {
module.exports = CipherBase
-},{"inherits":121,"safe-buffer":128,"stream":28,"string_decoder":29}],87:[function(require,module,exports){
+},{"inherits":96,"safe-buffer":101,"stream":28,"string_decoder":29}],85:[function(require,module,exports){
(function (Buffer){
'use strict'
var inherits = require('inherits')
@@ -42742,7 +39266,7 @@ module.exports = function createHash (alg) {
}
}).call(this,require("buffer").Buffer)
-},{"./md5":89,"buffer":5,"cipher-base":86,"inherits":121,"ripemd160":127,"sha.js":130}],88:[function(require,module,exports){
+},{"./md5":87,"buffer":5,"cipher-base":84,"inherits":96,"ripemd160":100,"sha.js":103}],86:[function(require,module,exports){
(function (Buffer){
'use strict'
var intSize = 4
@@ -42776,7 +39300,7 @@ module.exports = function hash (buf, fn) {
}
}).call(this,require("buffer").Buffer)
-},{"buffer":5}],89:[function(require,module,exports){
+},{"buffer":5}],87:[function(require,module,exports){
'use strict'
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
@@ -42929,7 +39453,7 @@ module.exports = function md5 (buf) {
return makeHash(buf, core_md5)
}
-},{"./make-hash":88}],90:[function(require,module,exports){
+},{"./make-hash":86}],88:[function(require,module,exports){
'use strict'
var inherits = require('inherits')
var Legacy = require('./legacy')
@@ -42993,7 +39517,7 @@ module.exports = function createHmac (alg, key) {
return new Hmac(alg, key)
}
-},{"./legacy":91,"cipher-base":86,"create-hash/md5":89,"inherits":121,"ripemd160":127,"safe-buffer":128,"sha.js":130}],91:[function(require,module,exports){
+},{"./legacy":89,"cipher-base":84,"create-hash/md5":87,"inherits":96,"ripemd160":100,"safe-buffer":101,"sha.js":103}],89:[function(require,module,exports){
'use strict'
var inherits = require('inherits')
var Buffer = require('safe-buffer').Buffer
@@ -43041,7 +39565,7 @@ Hmac.prototype._final = function () {
}
module.exports = Hmac
-},{"cipher-base":86,"inherits":121,"safe-buffer":128}],92:[function(require,module,exports){
+},{"cipher-base":84,"inherits":96,"safe-buffer":101}],90:[function(require,module,exports){
var assert = require('assert')
var BigInteger = require('bigi')
@@ -43120,7 +39644,7 @@ Curve.prototype.validate = function (Q) {
module.exports = Curve
-},{"./point":96,"assert":1,"bigi":39}],93:[function(require,module,exports){
+},{"./point":94,"assert":1,"bigi":39}],91:[function(require,module,exports){
module.exports={
"secp128r1": {
"p": "fffffffdffffffffffffffffffffffff",
@@ -43187,7 +39711,7 @@ module.exports={
}
}
-},{}],94:[function(require,module,exports){
+},{}],92:[function(require,module,exports){
var Point = require('./point')
var Curve = require('./curve')
@@ -43199,7 +39723,7 @@ module.exports = {
getCurveByName: getCurveByName
}
-},{"./curve":92,"./names":95,"./point":96}],95:[function(require,module,exports){
+},{"./curve":90,"./names":93,"./point":94}],93:[function(require,module,exports){
var BigInteger = require('bigi')
var curves = require('./curves.json')
@@ -43222,9 +39746,9 @@ function getCurveByName (name) {
module.exports = getCurveByName
-},{"./curve":92,"./curves.json":93,"bigi":39}],96:[function(require,module,exports){
-(function (Buffer){
+},{"./curve":90,"./curves.json":91,"bigi":39}],94:[function(require,module,exports){
var assert = require('assert')
+var Buffer = require('safe-buffer').Buffer
var BigInteger = require('bigi')
var THREE = BigInteger.valueOf(3)
@@ -43410,7 +39934,7 @@ Point.prototype.multiplyTwo = function (j, x, k) {
Point.prototype.getEncoded = function (compressed) {
if (compressed == null) compressed = this.compressed
- if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00'
+ if (this.curve.isInfinity(this)) return Buffer.alloc(1, 0) // Infinity point encoded is simply '00'
var x = this.affineX
var y = this.affineY
@@ -43419,12 +39943,12 @@ Point.prototype.getEncoded = function (compressed) {
// 0x02/0x03 | X
if (compressed) {
- buffer = new Buffer(1 + byteLength)
+ buffer = Buffer.allocUnsafe(1 + byteLength)
buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0)
// 0x04 | X | Y
} else {
- buffer = new Buffer(1 + byteLength + byteLength)
+ buffer = Buffer.allocUnsafe(1 + byteLength + byteLength)
buffer.writeUInt8(0x04, 0)
y.toBuffer(byteLength).copy(buffer, 1 + byteLength)
@@ -43468,3979 +39992,7 @@ Point.prototype.toString = function () {
module.exports = Point
-}).call(this,require("buffer").Buffer)
-},{"assert":1,"bigi":39,"buffer":5}],97:[function(require,module,exports){
-'use strict';
-
-var elliptic = exports;
-
-elliptic.version = require('../package.json').version;
-elliptic.utils = require('./elliptic/utils');
-elliptic.rand = require('brorand');
-elliptic.curve = require('./elliptic/curve');
-elliptic.curves = require('./elliptic/curves');
-
-// Protocols
-elliptic.ec = require('./elliptic/ec');
-elliptic.eddsa = require('./elliptic/eddsa');
-
-},{"../package.json":112,"./elliptic/curve":100,"./elliptic/curves":103,"./elliptic/ec":104,"./elliptic/eddsa":107,"./elliptic/utils":111,"brorand":82}],98:[function(require,module,exports){
-'use strict';
-
-var BN = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var getNAF = utils.getNAF;
-var getJSF = utils.getJSF;
-var assert = utils.assert;
-
-function BaseCurve(type, conf) {
- this.type = type;
- this.p = new BN(conf.p, 16);
-
- // Use Montgomery, when there is no fast reduction for the prime
- this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
-
- // Useful for many curves
- this.zero = new BN(0).toRed(this.red);
- this.one = new BN(1).toRed(this.red);
- this.two = new BN(2).toRed(this.red);
-
- // Curve configuration, optional
- this.n = conf.n && new BN(conf.n, 16);
- this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
-
- // Temporary arrays
- this._wnafT1 = new Array(4);
- this._wnafT2 = new Array(4);
- this._wnafT3 = new Array(4);
- this._wnafT4 = new Array(4);
-
- // Generalized Greg Maxwell's trick
- var adjustCount = this.n && this.p.div(this.n);
- if (!adjustCount || adjustCount.cmpn(100) > 0) {
- this.redN = null;
- } else {
- this._maxwellTrick = true;
- this.redN = this.n.toRed(this.red);
- }
-}
-module.exports = BaseCurve;
-
-BaseCurve.prototype.point = function point() {
- throw new Error('Not implemented');
-};
-
-BaseCurve.prototype.validate = function validate() {
- throw new Error('Not implemented');
-};
-
-BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
- assert(p.precomputed);
- var doubles = p._getDoubles();
-
- var naf = getNAF(k, 1);
- var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
- I /= 3;
-
- // Translate into more windowed form
- var repr = [];
- for (var j = 0; j < naf.length; j += doubles.step) {
- var nafW = 0;
- for (var k = j + doubles.step - 1; k >= j; k--)
- nafW = (nafW << 1) + naf[k];
- repr.push(nafW);
- }
-
- var a = this.jpoint(null, null, null);
- var b = this.jpoint(null, null, null);
- for (var i = I; i > 0; i--) {
- for (var j = 0; j < repr.length; j++) {
- var nafW = repr[j];
- if (nafW === i)
- b = b.mixedAdd(doubles.points[j]);
- else if (nafW === -i)
- b = b.mixedAdd(doubles.points[j].neg());
- }
- a = a.add(b);
- }
- return a.toP();
-};
-
-BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
- var w = 4;
-
- // Precompute window
- var nafPoints = p._getNAFPoints(w);
- w = nafPoints.wnd;
- var wnd = nafPoints.points;
-
- // Get NAF form
- var naf = getNAF(k, w);
-
- // Add `this`*(N+1) for every w-NAF index
- var acc = this.jpoint(null, null, null);
- for (var i = naf.length - 1; i >= 0; i--) {
- // Count zeroes
- for (var k = 0; i >= 0 && naf[i] === 0; i--)
- k++;
- if (i >= 0)
- k++;
- acc = acc.dblp(k);
-
- if (i < 0)
- break;
- var z = naf[i];
- assert(z !== 0);
- if (p.type === 'affine') {
- // J +- P
- if (z > 0)
- acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
- else
- acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
- } else {
- // J +- J
- if (z > 0)
- acc = acc.add(wnd[(z - 1) >> 1]);
- else
- acc = acc.add(wnd[(-z - 1) >> 1].neg());
- }
- }
- return p.type === 'affine' ? acc.toP() : acc;
-};
-
-BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
- points,
- coeffs,
- len,
- jacobianResult) {
- var wndWidth = this._wnafT1;
- var wnd = this._wnafT2;
- var naf = this._wnafT3;
-
- // Fill all arrays
- var max = 0;
- for (var i = 0; i < len; i++) {
- var p = points[i];
- var nafPoints = p._getNAFPoints(defW);
- wndWidth[i] = nafPoints.wnd;
- wnd[i] = nafPoints.points;
- }
-
- // Comb small window NAFs
- for (var i = len - 1; i >= 1; i -= 2) {
- var a = i - 1;
- var b = i;
- if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
- naf[a] = getNAF(coeffs[a], wndWidth[a]);
- naf[b] = getNAF(coeffs[b], wndWidth[b]);
- max = Math.max(naf[a].length, max);
- max = Math.max(naf[b].length, max);
- continue;
- }
-
- var comb = [
- points[a], /* 1 */
- null, /* 3 */
- null, /* 5 */
- points[b] /* 7 */
- ];
-
- // Try to avoid Projective points, if possible
- if (points[a].y.cmp(points[b].y) === 0) {
- comb[1] = points[a].add(points[b]);
- comb[2] = points[a].toJ().mixedAdd(points[b].neg());
- } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
- comb[1] = points[a].toJ().mixedAdd(points[b]);
- comb[2] = points[a].add(points[b].neg());
- } else {
- comb[1] = points[a].toJ().mixedAdd(points[b]);
- comb[2] = points[a].toJ().mixedAdd(points[b].neg());
- }
-
- var index = [
- -3, /* -1 -1 */
- -1, /* -1 0 */
- -5, /* -1 1 */
- -7, /* 0 -1 */
- 0, /* 0 0 */
- 7, /* 0 1 */
- 5, /* 1 -1 */
- 1, /* 1 0 */
- 3 /* 1 1 */
- ];
-
- var jsf = getJSF(coeffs[a], coeffs[b]);
- max = Math.max(jsf[0].length, max);
- naf[a] = new Array(max);
- naf[b] = new Array(max);
- for (var j = 0; j < max; j++) {
- var ja = jsf[0][j] | 0;
- var jb = jsf[1][j] | 0;
-
- naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
- naf[b][j] = 0;
- wnd[a] = comb;
- }
- }
-
- var acc = this.jpoint(null, null, null);
- var tmp = this._wnafT4;
- for (var i = max; i >= 0; i--) {
- var k = 0;
-
- while (i >= 0) {
- var zero = true;
- for (var j = 0; j < len; j++) {
- tmp[j] = naf[j][i] | 0;
- if (tmp[j] !== 0)
- zero = false;
- }
- if (!zero)
- break;
- k++;
- i--;
- }
- if (i >= 0)
- k++;
- acc = acc.dblp(k);
- if (i < 0)
- break;
-
- for (var j = 0; j < len; j++) {
- var z = tmp[j];
- var p;
- if (z === 0)
- continue;
- else if (z > 0)
- p = wnd[j][(z - 1) >> 1];
- else if (z < 0)
- p = wnd[j][(-z - 1) >> 1].neg();
-
- if (p.type === 'affine')
- acc = acc.mixedAdd(p);
- else
- acc = acc.add(p);
- }
- }
- // Zeroify references
- for (var i = 0; i < len; i++)
- wnd[i] = null;
-
- if (jacobianResult)
- return acc;
- else
- return acc.toP();
-};
-
-function BasePoint(curve, type) {
- this.curve = curve;
- this.type = type;
- this.precomputed = null;
-}
-BaseCurve.BasePoint = BasePoint;
-
-BasePoint.prototype.eq = function eq(/*other*/) {
- throw new Error('Not implemented');
-};
-
-BasePoint.prototype.validate = function validate() {
- return this.curve.validate(this);
-};
-
-BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
- bytes = utils.toArray(bytes, enc);
-
- var len = this.p.byteLength();
-
- // uncompressed, hybrid-odd, hybrid-even
- if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
- bytes.length - 1 === 2 * len) {
- if (bytes[0] === 0x06)
- assert(bytes[bytes.length - 1] % 2 === 0);
- else if (bytes[0] === 0x07)
- assert(bytes[bytes.length - 1] % 2 === 1);
-
- var res = this.point(bytes.slice(1, 1 + len),
- bytes.slice(1 + len, 1 + 2 * len));
-
- return res;
- } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
- bytes.length - 1 === len) {
- return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
- }
- throw new Error('Unknown point format');
-};
-
-BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
- return this.encode(enc, true);
-};
-
-BasePoint.prototype._encode = function _encode(compact) {
- var len = this.curve.p.byteLength();
- var x = this.getX().toArray('be', len);
-
- if (compact)
- return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
-
- return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
-};
-
-BasePoint.prototype.encode = function encode(enc, compact) {
- return utils.encode(this._encode(compact), enc);
-};
-
-BasePoint.prototype.precompute = function precompute(power) {
- if (this.precomputed)
- return this;
-
- var precomputed = {
- doubles: null,
- naf: null,
- beta: null
- };
- precomputed.naf = this._getNAFPoints(8);
- precomputed.doubles = this._getDoubles(4, power);
- precomputed.beta = this._getBeta();
- this.precomputed = precomputed;
-
- return this;
-};
-
-BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
- if (!this.precomputed)
- return false;
-
- var doubles = this.precomputed.doubles;
- if (!doubles)
- return false;
-
- return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
-};
-
-BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
- if (this.precomputed && this.precomputed.doubles)
- return this.precomputed.doubles;
-
- var doubles = [ this ];
- var acc = this;
- for (var i = 0; i < power; i += step) {
- for (var j = 0; j < step; j++)
- acc = acc.dbl();
- doubles.push(acc);
- }
- return {
- step: step,
- points: doubles
- };
-};
-
-BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
- if (this.precomputed && this.precomputed.naf)
- return this.precomputed.naf;
-
- var res = [ this ];
- var max = (1 << wnd) - 1;
- var dbl = max === 1 ? null : this.dbl();
- for (var i = 1; i < max; i++)
- res[i] = res[i - 1].add(dbl);
- return {
- wnd: wnd,
- points: res
- };
-};
-
-BasePoint.prototype._getBeta = function _getBeta() {
- return null;
-};
-
-BasePoint.prototype.dblp = function dblp(k) {
- var r = this;
- for (var i = 0; i < k; i++)
- r = r.dbl();
- return r;
-};
-
-},{"../../elliptic":97,"bn.js":81}],99:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var elliptic = require('../../elliptic');
-var BN = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var assert = elliptic.utils.assert;
-
-function EdwardsCurve(conf) {
- // NOTE: Important as we are creating point in Base.call()
- this.twisted = (conf.a | 0) !== 1;
- this.mOneA = this.twisted && (conf.a | 0) === -1;
- this.extended = this.mOneA;
-
- Base.call(this, 'edwards', conf);
-
- this.a = new BN(conf.a, 16).umod(this.red.m);
- this.a = this.a.toRed(this.red);
- this.c = new BN(conf.c, 16).toRed(this.red);
- this.c2 = this.c.redSqr();
- this.d = new BN(conf.d, 16).toRed(this.red);
- this.dd = this.d.redAdd(this.d);
-
- assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
- this.oneC = (conf.c | 0) === 1;
-}
-inherits(EdwardsCurve, Base);
-module.exports = EdwardsCurve;
-
-EdwardsCurve.prototype._mulA = function _mulA(num) {
- if (this.mOneA)
- return num.redNeg();
- else
- return this.a.redMul(num);
-};
-
-EdwardsCurve.prototype._mulC = function _mulC(num) {
- if (this.oneC)
- return num;
- else
- return this.c.redMul(num);
-};
-
-// Just for compatibility with Short curve
-EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
- return this.point(x, y, z, t);
-};
-
-EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
- x = new BN(x, 16);
- if (!x.red)
- x = x.toRed(this.red);
-
- var x2 = x.redSqr();
- var rhs = this.c2.redSub(this.a.redMul(x2));
- var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
-
- var y2 = rhs.redMul(lhs.redInvm());
- var y = y2.redSqrt();
- if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
- throw new Error('invalid point');
-
- var isOdd = y.fromRed().isOdd();
- if (odd && !isOdd || !odd && isOdd)
- y = y.redNeg();
-
- return this.point(x, y);
-};
-
-EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
- y = new BN(y, 16);
- if (!y.red)
- y = y.toRed(this.red);
-
- // x^2 = (y^2 - 1) / (d y^2 + 1)
- var y2 = y.redSqr();
- var lhs = y2.redSub(this.one);
- var rhs = y2.redMul(this.d).redAdd(this.one);
- var x2 = lhs.redMul(rhs.redInvm());
-
- if (x2.cmp(this.zero) === 0) {
- if (odd)
- throw new Error('invalid point');
- else
- return this.point(this.zero, y);
- }
-
- var x = x2.redSqrt();
- if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
- throw new Error('invalid point');
-
- if (x.isOdd() !== odd)
- x = x.redNeg();
-
- return this.point(x, y);
-};
-
-EdwardsCurve.prototype.validate = function validate(point) {
- if (point.isInfinity())
- return true;
-
- // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
- point.normalize();
-
- var x2 = point.x.redSqr();
- var y2 = point.y.redSqr();
- var lhs = x2.redMul(this.a).redAdd(y2);
- var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
-
- return lhs.cmp(rhs) === 0;
-};
-
-function Point(curve, x, y, z, t) {
- Base.BasePoint.call(this, curve, 'projective');
- if (x === null && y === null && z === null) {
- this.x = this.curve.zero;
- this.y = this.curve.one;
- this.z = this.curve.one;
- this.t = this.curve.zero;
- this.zOne = true;
- } else {
- this.x = new BN(x, 16);
- this.y = new BN(y, 16);
- this.z = z ? new BN(z, 16) : this.curve.one;
- this.t = t && new BN(t, 16);
- if (!this.x.red)
- this.x = this.x.toRed(this.curve.red);
- if (!this.y.red)
- this.y = this.y.toRed(this.curve.red);
- if (!this.z.red)
- this.z = this.z.toRed(this.curve.red);
- if (this.t && !this.t.red)
- this.t = this.t.toRed(this.curve.red);
- this.zOne = this.z === this.curve.one;
-
- // Use extended coordinates
- if (this.curve.extended && !this.t) {
- this.t = this.x.redMul(this.y);
- if (!this.zOne)
- this.t = this.t.redMul(this.z.redInvm());
- }
- }
-}
-inherits(Point, Base.BasePoint);
-
-EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
- return Point.fromJSON(this, obj);
-};
-
-EdwardsCurve.prototype.point = function point(x, y, z, t) {
- return new Point(this, x, y, z, t);
-};
-
-Point.fromJSON = function fromJSON(curve, obj) {
- return new Point(curve, obj[0], obj[1], obj[2]);
-};
-
-Point.prototype.inspect = function inspect() {
- if (this.isInfinity())
- return '';
- return '';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
- // XXX This code assumes that zero is always zero in red
- return this.x.cmpn(0) === 0 &&
- this.y.cmp(this.z) === 0;
-};
-
-Point.prototype._extDbl = function _extDbl() {
- // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
- // #doubling-dbl-2008-hwcd
- // 4M + 4S
-
- // A = X1^2
- var a = this.x.redSqr();
- // B = Y1^2
- var b = this.y.redSqr();
- // C = 2 * Z1^2
- var c = this.z.redSqr();
- c = c.redIAdd(c);
- // D = a * A
- var d = this.curve._mulA(a);
- // E = (X1 + Y1)^2 - A - B
- var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
- // G = D + B
- var g = d.redAdd(b);
- // F = G - C
- var f = g.redSub(c);
- // H = D - B
- var h = d.redSub(b);
- // X3 = E * F
- var nx = e.redMul(f);
- // Y3 = G * H
- var ny = g.redMul(h);
- // T3 = E * H
- var nt = e.redMul(h);
- // Z3 = F * G
- var nz = f.redMul(g);
- return this.curve.point(nx, ny, nz, nt);
-};
-
-Point.prototype._projDbl = function _projDbl() {
- // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
- // #doubling-dbl-2008-bbjlp
- // #doubling-dbl-2007-bl
- // and others
- // Generally 3M + 4S or 2M + 4S
-
- // B = (X1 + Y1)^2
- var b = this.x.redAdd(this.y).redSqr();
- // C = X1^2
- var c = this.x.redSqr();
- // D = Y1^2
- var d = this.y.redSqr();
-
- var nx;
- var ny;
- var nz;
- if (this.curve.twisted) {
- // E = a * C
- var e = this.curve._mulA(c);
- // F = E + D
- var f = e.redAdd(d);
- if (this.zOne) {
- // X3 = (B - C - D) * (F - 2)
- nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
- // Y3 = F * (E - D)
- ny = f.redMul(e.redSub(d));
- // Z3 = F^2 - 2 * F
- nz = f.redSqr().redSub(f).redSub(f);
- } else {
- // H = Z1^2
- var h = this.z.redSqr();
- // J = F - 2 * H
- var j = f.redSub(h).redISub(h);
- // X3 = (B-C-D)*J
- nx = b.redSub(c).redISub(d).redMul(j);
- // Y3 = F * (E - D)
- ny = f.redMul(e.redSub(d));
- // Z3 = F * J
- nz = f.redMul(j);
- }
- } else {
- // E = C + D
- var e = c.redAdd(d);
- // H = (c * Z1)^2
- var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
- // J = E - 2 * H
- var j = e.redSub(h).redSub(h);
- // X3 = c * (B - E) * J
- nx = this.curve._mulC(b.redISub(e)).redMul(j);
- // Y3 = c * E * (C - D)
- ny = this.curve._mulC(e).redMul(c.redISub(d));
- // Z3 = E * J
- nz = e.redMul(j);
- }
- return this.curve.point(nx, ny, nz);
-};
-
-Point.prototype.dbl = function dbl() {
- if (this.isInfinity())
- return this;
-
- // Double in extended coordinates
- if (this.curve.extended)
- return this._extDbl();
- else
- return this._projDbl();
-};
-
-Point.prototype._extAdd = function _extAdd(p) {
- // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
- // #addition-add-2008-hwcd-3
- // 8M
-
- // A = (Y1 - X1) * (Y2 - X2)
- var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
- // B = (Y1 + X1) * (Y2 + X2)
- var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
- // C = T1 * k * T2
- var c = this.t.redMul(this.curve.dd).redMul(p.t);
- // D = Z1 * 2 * Z2
- var d = this.z.redMul(p.z.redAdd(p.z));
- // E = B - A
- var e = b.redSub(a);
- // F = D - C
- var f = d.redSub(c);
- // G = D + C
- var g = d.redAdd(c);
- // H = B + A
- var h = b.redAdd(a);
- // X3 = E * F
- var nx = e.redMul(f);
- // Y3 = G * H
- var ny = g.redMul(h);
- // T3 = E * H
- var nt = e.redMul(h);
- // Z3 = F * G
- var nz = f.redMul(g);
- return this.curve.point(nx, ny, nz, nt);
-};
-
-Point.prototype._projAdd = function _projAdd(p) {
- // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
- // #addition-add-2008-bbjlp
- // #addition-add-2007-bl
- // 10M + 1S
-
- // A = Z1 * Z2
- var a = this.z.redMul(p.z);
- // B = A^2
- var b = a.redSqr();
- // C = X1 * X2
- var c = this.x.redMul(p.x);
- // D = Y1 * Y2
- var d = this.y.redMul(p.y);
- // E = d * C * D
- var e = this.curve.d.redMul(c).redMul(d);
- // F = B - E
- var f = b.redSub(e);
- // G = B + E
- var g = b.redAdd(e);
- // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
- var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
- var nx = a.redMul(f).redMul(tmp);
- var ny;
- var nz;
- if (this.curve.twisted) {
- // Y3 = A * G * (D - a * C)
- ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
- // Z3 = F * G
- nz = f.redMul(g);
- } else {
- // Y3 = A * G * (D - C)
- ny = a.redMul(g).redMul(d.redSub(c));
- // Z3 = c * F * G
- nz = this.curve._mulC(f).redMul(g);
- }
- return this.curve.point(nx, ny, nz);
-};
-
-Point.prototype.add = function add(p) {
- if (this.isInfinity())
- return p;
- if (p.isInfinity())
- return this;
-
- if (this.curve.extended)
- return this._extAdd(p);
- else
- return this._projAdd(p);
-};
-
-Point.prototype.mul = function mul(k) {
- if (this._hasDoubles(k))
- return this.curve._fixedNafMul(this, k);
- else
- return this.curve._wnafMul(this, k);
-};
-
-Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
- return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
-};
-
-Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
- return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
-};
-
-Point.prototype.normalize = function normalize() {
- if (this.zOne)
- return this;
-
- // Normalize coordinates
- var zi = this.z.redInvm();
- this.x = this.x.redMul(zi);
- this.y = this.y.redMul(zi);
- if (this.t)
- this.t = this.t.redMul(zi);
- this.z = this.curve.one;
- this.zOne = true;
- return this;
-};
-
-Point.prototype.neg = function neg() {
- return this.curve.point(this.x.redNeg(),
- this.y,
- this.z,
- this.t && this.t.redNeg());
-};
-
-Point.prototype.getX = function getX() {
- this.normalize();
- return this.x.fromRed();
-};
-
-Point.prototype.getY = function getY() {
- this.normalize();
- return this.y.fromRed();
-};
-
-Point.prototype.eq = function eq(other) {
- return this === other ||
- this.getX().cmp(other.getX()) === 0 &&
- this.getY().cmp(other.getY()) === 0;
-};
-
-Point.prototype.eqXToP = function eqXToP(x) {
- var rx = x.toRed(this.curve.red).redMul(this.z);
- if (this.x.cmp(rx) === 0)
- return true;
-
- var xc = x.clone();
- var t = this.curve.redN.redMul(this.z);
- for (;;) {
- xc.iadd(this.curve.n);
- if (xc.cmp(this.curve.p) >= 0)
- return false;
-
- rx.redIAdd(t);
- if (this.x.cmp(rx) === 0)
- return true;
- }
- return false;
-};
-
-// Compatibility with BaseCurve
-Point.prototype.toP = Point.prototype.normalize;
-Point.prototype.mixedAdd = Point.prototype.add;
-
-},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],100:[function(require,module,exports){
-'use strict';
-
-var curve = exports;
-
-curve.base = require('./base');
-curve.short = require('./short');
-curve.mont = require('./mont');
-curve.edwards = require('./edwards');
-
-},{"./base":98,"./edwards":99,"./mont":101,"./short":102}],101:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var BN = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-
-function MontCurve(conf) {
- Base.call(this, 'mont', conf);
-
- this.a = new BN(conf.a, 16).toRed(this.red);
- this.b = new BN(conf.b, 16).toRed(this.red);
- this.i4 = new BN(4).toRed(this.red).redInvm();
- this.two = new BN(2).toRed(this.red);
- this.a24 = this.i4.redMul(this.a.redAdd(this.two));
-}
-inherits(MontCurve, Base);
-module.exports = MontCurve;
-
-MontCurve.prototype.validate = function validate(point) {
- var x = point.normalize().x;
- var x2 = x.redSqr();
- var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
- var y = rhs.redSqrt();
-
- return y.redSqr().cmp(rhs) === 0;
-};
-
-function Point(curve, x, z) {
- Base.BasePoint.call(this, curve, 'projective');
- if (x === null && z === null) {
- this.x = this.curve.one;
- this.z = this.curve.zero;
- } else {
- this.x = new BN(x, 16);
- this.z = new BN(z, 16);
- if (!this.x.red)
- this.x = this.x.toRed(this.curve.red);
- if (!this.z.red)
- this.z = this.z.toRed(this.curve.red);
- }
-}
-inherits(Point, Base.BasePoint);
-
-MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
- return this.point(utils.toArray(bytes, enc), 1);
-};
-
-MontCurve.prototype.point = function point(x, z) {
- return new Point(this, x, z);
-};
-
-MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
- return Point.fromJSON(this, obj);
-};
-
-Point.prototype.precompute = function precompute() {
- // No-op
-};
-
-Point.prototype._encode = function _encode() {
- return this.getX().toArray('be', this.curve.p.byteLength());
-};
-
-Point.fromJSON = function fromJSON(curve, obj) {
- return new Point(curve, obj[0], obj[1] || curve.one);
-};
-
-Point.prototype.inspect = function inspect() {
- if (this.isInfinity())
- return '';
- return '';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
- // XXX This code assumes that zero is always zero in red
- return this.z.cmpn(0) === 0;
-};
-
-Point.prototype.dbl = function dbl() {
- // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
- // 2M + 2S + 4A
-
- // A = X1 + Z1
- var a = this.x.redAdd(this.z);
- // AA = A^2
- var aa = a.redSqr();
- // B = X1 - Z1
- var b = this.x.redSub(this.z);
- // BB = B^2
- var bb = b.redSqr();
- // C = AA - BB
- var c = aa.redSub(bb);
- // X3 = AA * BB
- var nx = aa.redMul(bb);
- // Z3 = C * (BB + A24 * C)
- var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
- return this.curve.point(nx, nz);
-};
-
-Point.prototype.add = function add() {
- throw new Error('Not supported on Montgomery curve');
-};
-
-Point.prototype.diffAdd = function diffAdd(p, diff) {
- // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
- // 4M + 2S + 6A
-
- // A = X2 + Z2
- var a = this.x.redAdd(this.z);
- // B = X2 - Z2
- var b = this.x.redSub(this.z);
- // C = X3 + Z3
- var c = p.x.redAdd(p.z);
- // D = X3 - Z3
- var d = p.x.redSub(p.z);
- // DA = D * A
- var da = d.redMul(a);
- // CB = C * B
- var cb = c.redMul(b);
- // X5 = Z1 * (DA + CB)^2
- var nx = diff.z.redMul(da.redAdd(cb).redSqr());
- // Z5 = X1 * (DA - CB)^2
- var nz = diff.x.redMul(da.redISub(cb).redSqr());
- return this.curve.point(nx, nz);
-};
-
-Point.prototype.mul = function mul(k) {
- var t = k.clone();
- var a = this; // (N / 2) * Q + Q
- var b = this.curve.point(null, null); // (N / 2) * Q
- var c = this; // Q
-
- for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
- bits.push(t.andln(1));
-
- for (var i = bits.length - 1; i >= 0; i--) {
- if (bits[i] === 0) {
- // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
- a = a.diffAdd(b, c);
- // N * Q = 2 * ((N / 2) * Q + Q))
- b = b.dbl();
- } else {
- // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
- b = a.diffAdd(b, c);
- // N * Q + Q = 2 * ((N / 2) * Q + Q)
- a = a.dbl();
- }
- }
- return b;
-};
-
-Point.prototype.mulAdd = function mulAdd() {
- throw new Error('Not supported on Montgomery curve');
-};
-
-Point.prototype.jumlAdd = function jumlAdd() {
- throw new Error('Not supported on Montgomery curve');
-};
-
-Point.prototype.eq = function eq(other) {
- return this.getX().cmp(other.getX()) === 0;
-};
-
-Point.prototype.normalize = function normalize() {
- this.x = this.x.redMul(this.z.redInvm());
- this.z = this.curve.one;
- return this;
-};
-
-Point.prototype.getX = function getX() {
- // Normalize coordinates
- this.normalize();
-
- return this.x.fromRed();
-};
-
-},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],102:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var elliptic = require('../../elliptic');
-var BN = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var assert = elliptic.utils.assert;
-
-function ShortCurve(conf) {
- Base.call(this, 'short', conf);
-
- this.a = new BN(conf.a, 16).toRed(this.red);
- this.b = new BN(conf.b, 16).toRed(this.red);
- this.tinv = this.two.redInvm();
-
- this.zeroA = this.a.fromRed().cmpn(0) === 0;
- this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
-
- // If the curve is endomorphic, precalculate beta and lambda
- this.endo = this._getEndomorphism(conf);
- this._endoWnafT1 = new Array(4);
- this._endoWnafT2 = new Array(4);
-}
-inherits(ShortCurve, Base);
-module.exports = ShortCurve;
-
-ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
- // No efficient endomorphism
- if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
- return;
-
- // Compute beta and lambda, that lambda * P = (beta * Px; Py)
- var beta;
- var lambda;
- if (conf.beta) {
- beta = new BN(conf.beta, 16).toRed(this.red);
- } else {
- var betas = this._getEndoRoots(this.p);
- // Choose the smallest beta
- beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
- beta = beta.toRed(this.red);
- }
- if (conf.lambda) {
- lambda = new BN(conf.lambda, 16);
- } else {
- // Choose the lambda that is matching selected beta
- var lambdas = this._getEndoRoots(this.n);
- if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
- lambda = lambdas[0];
- } else {
- lambda = lambdas[1];
- assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
- }
- }
-
- // Get basis vectors, used for balanced length-two representation
- var basis;
- if (conf.basis) {
- basis = conf.basis.map(function(vec) {
- return {
- a: new BN(vec.a, 16),
- b: new BN(vec.b, 16)
- };
- });
- } else {
- basis = this._getEndoBasis(lambda);
- }
-
- return {
- beta: beta,
- lambda: lambda,
- basis: basis
- };
-};
-
-ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
- // Find roots of for x^2 + x + 1 in F
- // Root = (-1 +- Sqrt(-3)) / 2
- //
- var red = num === this.p ? this.red : BN.mont(num);
- var tinv = new BN(2).toRed(red).redInvm();
- var ntinv = tinv.redNeg();
-
- var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
-
- var l1 = ntinv.redAdd(s).fromRed();
- var l2 = ntinv.redSub(s).fromRed();
- return [ l1, l2 ];
-};
-
-ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
- // aprxSqrt >= sqrt(this.n)
- var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
-
- // 3.74
- // Run EGCD, until r(L + 1) < aprxSqrt
- var u = lambda;
- var v = this.n.clone();
- var x1 = new BN(1);
- var y1 = new BN(0);
- var x2 = new BN(0);
- var y2 = new BN(1);
-
- // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
- var a0;
- var b0;
- // First vector
- var a1;
- var b1;
- // Second vector
- var a2;
- var b2;
-
- var prevR;
- var i = 0;
- var r;
- var x;
- while (u.cmpn(0) !== 0) {
- var q = v.div(u);
- r = v.sub(q.mul(u));
- x = x2.sub(q.mul(x1));
- var y = y2.sub(q.mul(y1));
-
- if (!a1 && r.cmp(aprxSqrt) < 0) {
- a0 = prevR.neg();
- b0 = x1;
- a1 = r.neg();
- b1 = x;
- } else if (a1 && ++i === 2) {
- break;
- }
- prevR = r;
-
- v = u;
- u = r;
- x2 = x1;
- x1 = x;
- y2 = y1;
- y1 = y;
- }
- a2 = r.neg();
- b2 = x;
-
- var len1 = a1.sqr().add(b1.sqr());
- var len2 = a2.sqr().add(b2.sqr());
- if (len2.cmp(len1) >= 0) {
- a2 = a0;
- b2 = b0;
- }
-
- // Normalize signs
- if (a1.negative) {
- a1 = a1.neg();
- b1 = b1.neg();
- }
- if (a2.negative) {
- a2 = a2.neg();
- b2 = b2.neg();
- }
-
- return [
- { a: a1, b: b1 },
- { a: a2, b: b2 }
- ];
-};
-
-ShortCurve.prototype._endoSplit = function _endoSplit(k) {
- var basis = this.endo.basis;
- var v1 = basis[0];
- var v2 = basis[1];
-
- var c1 = v2.b.mul(k).divRound(this.n);
- var c2 = v1.b.neg().mul(k).divRound(this.n);
-
- var p1 = c1.mul(v1.a);
- var p2 = c2.mul(v2.a);
- var q1 = c1.mul(v1.b);
- var q2 = c2.mul(v2.b);
-
- // Calculate answer
- var k1 = k.sub(p1).sub(p2);
- var k2 = q1.add(q2).neg();
- return { k1: k1, k2: k2 };
-};
-
-ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
- x = new BN(x, 16);
- if (!x.red)
- x = x.toRed(this.red);
-
- var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
- var y = y2.redSqrt();
- if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
- throw new Error('invalid point');
-
- // XXX Is there any way to tell if the number is odd without converting it
- // to non-red form?
- var isOdd = y.fromRed().isOdd();
- if (odd && !isOdd || !odd && isOdd)
- y = y.redNeg();
-
- return this.point(x, y);
-};
-
-ShortCurve.prototype.validate = function validate(point) {
- if (point.inf)
- return true;
-
- var x = point.x;
- var y = point.y;
-
- var ax = this.a.redMul(x);
- var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
- return y.redSqr().redISub(rhs).cmpn(0) === 0;
-};
-
-ShortCurve.prototype._endoWnafMulAdd =
- function _endoWnafMulAdd(points, coeffs, jacobianResult) {
- var npoints = this._endoWnafT1;
- var ncoeffs = this._endoWnafT2;
- for (var i = 0; i < points.length; i++) {
- var split = this._endoSplit(coeffs[i]);
- var p = points[i];
- var beta = p._getBeta();
-
- if (split.k1.negative) {
- split.k1.ineg();
- p = p.neg(true);
- }
- if (split.k2.negative) {
- split.k2.ineg();
- beta = beta.neg(true);
- }
-
- npoints[i * 2] = p;
- npoints[i * 2 + 1] = beta;
- ncoeffs[i * 2] = split.k1;
- ncoeffs[i * 2 + 1] = split.k2;
- }
- var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
-
- // Clean-up references to points and coefficients
- for (var j = 0; j < i * 2; j++) {
- npoints[j] = null;
- ncoeffs[j] = null;
- }
- return res;
-};
-
-function Point(curve, x, y, isRed) {
- Base.BasePoint.call(this, curve, 'affine');
- if (x === null && y === null) {
- this.x = null;
- this.y = null;
- this.inf = true;
- } else {
- this.x = new BN(x, 16);
- this.y = new BN(y, 16);
- // Force redgomery representation when loading from JSON
- if (isRed) {
- this.x.forceRed(this.curve.red);
- this.y.forceRed(this.curve.red);
- }
- if (!this.x.red)
- this.x = this.x.toRed(this.curve.red);
- if (!this.y.red)
- this.y = this.y.toRed(this.curve.red);
- this.inf = false;
- }
-}
-inherits(Point, Base.BasePoint);
-
-ShortCurve.prototype.point = function point(x, y, isRed) {
- return new Point(this, x, y, isRed);
-};
-
-ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
- return Point.fromJSON(this, obj, red);
-};
-
-Point.prototype._getBeta = function _getBeta() {
- if (!this.curve.endo)
- return;
-
- var pre = this.precomputed;
- if (pre && pre.beta)
- return pre.beta;
-
- var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
- if (pre) {
- var curve = this.curve;
- var endoMul = function(p) {
- return curve.point(p.x.redMul(curve.endo.beta), p.y);
- };
- pre.beta = beta;
- beta.precomputed = {
- beta: null,
- naf: pre.naf && {
- wnd: pre.naf.wnd,
- points: pre.naf.points.map(endoMul)
- },
- doubles: pre.doubles && {
- step: pre.doubles.step,
- points: pre.doubles.points.map(endoMul)
- }
- };
- }
- return beta;
-};
-
-Point.prototype.toJSON = function toJSON() {
- if (!this.precomputed)
- return [ this.x, this.y ];
-
- return [ this.x, this.y, this.precomputed && {
- doubles: this.precomputed.doubles && {
- step: this.precomputed.doubles.step,
- points: this.precomputed.doubles.points.slice(1)
- },
- naf: this.precomputed.naf && {
- wnd: this.precomputed.naf.wnd,
- points: this.precomputed.naf.points.slice(1)
- }
- } ];
-};
-
-Point.fromJSON = function fromJSON(curve, obj, red) {
- if (typeof obj === 'string')
- obj = JSON.parse(obj);
- var res = curve.point(obj[0], obj[1], red);
- if (!obj[2])
- return res;
-
- function obj2point(obj) {
- return curve.point(obj[0], obj[1], red);
- }
-
- var pre = obj[2];
- res.precomputed = {
- beta: null,
- doubles: pre.doubles && {
- step: pre.doubles.step,
- points: [ res ].concat(pre.doubles.points.map(obj2point))
- },
- naf: pre.naf && {
- wnd: pre.naf.wnd,
- points: [ res ].concat(pre.naf.points.map(obj2point))
- }
- };
- return res;
-};
-
-Point.prototype.inspect = function inspect() {
- if (this.isInfinity())
- return '';
- return '';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
- return this.inf;
-};
-
-Point.prototype.add = function add(p) {
- // O + P = P
- if (this.inf)
- return p;
-
- // P + O = P
- if (p.inf)
- return this;
-
- // P + P = 2P
- if (this.eq(p))
- return this.dbl();
-
- // P + (-P) = O
- if (this.neg().eq(p))
- return this.curve.point(null, null);
-
- // P + Q = O
- if (this.x.cmp(p.x) === 0)
- return this.curve.point(null, null);
-
- var c = this.y.redSub(p.y);
- if (c.cmpn(0) !== 0)
- c = c.redMul(this.x.redSub(p.x).redInvm());
- var nx = c.redSqr().redISub(this.x).redISub(p.x);
- var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
- return this.curve.point(nx, ny);
-};
-
-Point.prototype.dbl = function dbl() {
- if (this.inf)
- return this;
-
- // 2P = O
- var ys1 = this.y.redAdd(this.y);
- if (ys1.cmpn(0) === 0)
- return this.curve.point(null, null);
-
- var a = this.curve.a;
-
- var x2 = this.x.redSqr();
- var dyinv = ys1.redInvm();
- var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
-
- var nx = c.redSqr().redISub(this.x.redAdd(this.x));
- var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
- return this.curve.point(nx, ny);
-};
-
-Point.prototype.getX = function getX() {
- return this.x.fromRed();
-};
-
-Point.prototype.getY = function getY() {
- return this.y.fromRed();
-};
-
-Point.prototype.mul = function mul(k) {
- k = new BN(k, 16);
-
- if (this._hasDoubles(k))
- return this.curve._fixedNafMul(this, k);
- else if (this.curve.endo)
- return this.curve._endoWnafMulAdd([ this ], [ k ]);
- else
- return this.curve._wnafMul(this, k);
-};
-
-Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
- var points = [ this, p2 ];
- var coeffs = [ k1, k2 ];
- if (this.curve.endo)
- return this.curve._endoWnafMulAdd(points, coeffs);
- else
- return this.curve._wnafMulAdd(1, points, coeffs, 2);
-};
-
-Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
- var points = [ this, p2 ];
- var coeffs = [ k1, k2 ];
- if (this.curve.endo)
- return this.curve._endoWnafMulAdd(points, coeffs, true);
- else
- return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
-};
-
-Point.prototype.eq = function eq(p) {
- return this === p ||
- this.inf === p.inf &&
- (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
-};
-
-Point.prototype.neg = function neg(_precompute) {
- if (this.inf)
- return this;
-
- var res = this.curve.point(this.x, this.y.redNeg());
- if (_precompute && this.precomputed) {
- var pre = this.precomputed;
- var negate = function(p) {
- return p.neg();
- };
- res.precomputed = {
- naf: pre.naf && {
- wnd: pre.naf.wnd,
- points: pre.naf.points.map(negate)
- },
- doubles: pre.doubles && {
- step: pre.doubles.step,
- points: pre.doubles.points.map(negate)
- }
- };
- }
- return res;
-};
-
-Point.prototype.toJ = function toJ() {
- if (this.inf)
- return this.curve.jpoint(null, null, null);
-
- var res = this.curve.jpoint(this.x, this.y, this.curve.one);
- return res;
-};
-
-function JPoint(curve, x, y, z) {
- Base.BasePoint.call(this, curve, 'jacobian');
- if (x === null && y === null && z === null) {
- this.x = this.curve.one;
- this.y = this.curve.one;
- this.z = new BN(0);
- } else {
- this.x = new BN(x, 16);
- this.y = new BN(y, 16);
- this.z = new BN(z, 16);
- }
- if (!this.x.red)
- this.x = this.x.toRed(this.curve.red);
- if (!this.y.red)
- this.y = this.y.toRed(this.curve.red);
- if (!this.z.red)
- this.z = this.z.toRed(this.curve.red);
-
- this.zOne = this.z === this.curve.one;
-}
-inherits(JPoint, Base.BasePoint);
-
-ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
- return new JPoint(this, x, y, z);
-};
-
-JPoint.prototype.toP = function toP() {
- if (this.isInfinity())
- return this.curve.point(null, null);
-
- var zinv = this.z.redInvm();
- var zinv2 = zinv.redSqr();
- var ax = this.x.redMul(zinv2);
- var ay = this.y.redMul(zinv2).redMul(zinv);
-
- return this.curve.point(ax, ay);
-};
-
-JPoint.prototype.neg = function neg() {
- return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
-};
-
-JPoint.prototype.add = function add(p) {
- // O + P = P
- if (this.isInfinity())
- return p;
-
- // P + O = P
- if (p.isInfinity())
- return this;
-
- // 12M + 4S + 7A
- var pz2 = p.z.redSqr();
- var z2 = this.z.redSqr();
- var u1 = this.x.redMul(pz2);
- var u2 = p.x.redMul(z2);
- var s1 = this.y.redMul(pz2.redMul(p.z));
- var s2 = p.y.redMul(z2.redMul(this.z));
-
- var h = u1.redSub(u2);
- var r = s1.redSub(s2);
- if (h.cmpn(0) === 0) {
- if (r.cmpn(0) !== 0)
- return this.curve.jpoint(null, null, null);
- else
- return this.dbl();
- }
-
- var h2 = h.redSqr();
- var h3 = h2.redMul(h);
- var v = u1.redMul(h2);
-
- var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
- var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
- var nz = this.z.redMul(p.z).redMul(h);
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.mixedAdd = function mixedAdd(p) {
- // O + P = P
- if (this.isInfinity())
- return p.toJ();
-
- // P + O = P
- if (p.isInfinity())
- return this;
-
- // 8M + 3S + 7A
- var z2 = this.z.redSqr();
- var u1 = this.x;
- var u2 = p.x.redMul(z2);
- var s1 = this.y;
- var s2 = p.y.redMul(z2).redMul(this.z);
-
- var h = u1.redSub(u2);
- var r = s1.redSub(s2);
- if (h.cmpn(0) === 0) {
- if (r.cmpn(0) !== 0)
- return this.curve.jpoint(null, null, null);
- else
- return this.dbl();
- }
-
- var h2 = h.redSqr();
- var h3 = h2.redMul(h);
- var v = u1.redMul(h2);
-
- var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
- var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
- var nz = this.z.redMul(h);
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.dblp = function dblp(pow) {
- if (pow === 0)
- return this;
- if (this.isInfinity())
- return this;
- if (!pow)
- return this.dbl();
-
- if (this.curve.zeroA || this.curve.threeA) {
- var r = this;
- for (var i = 0; i < pow; i++)
- r = r.dbl();
- return r;
- }
-
- // 1M + 2S + 1A + N * (4S + 5M + 8A)
- // N = 1 => 6M + 6S + 9A
- var a = this.curve.a;
- var tinv = this.curve.tinv;
-
- var jx = this.x;
- var jy = this.y;
- var jz = this.z;
- var jz4 = jz.redSqr().redSqr();
-
- // Reuse results
- var jyd = jy.redAdd(jy);
- for (var i = 0; i < pow; i++) {
- var jx2 = jx.redSqr();
- var jyd2 = jyd.redSqr();
- var jyd4 = jyd2.redSqr();
- var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
-
- var t1 = jx.redMul(jyd2);
- var nx = c.redSqr().redISub(t1.redAdd(t1));
- var t2 = t1.redISub(nx);
- var dny = c.redMul(t2);
- dny = dny.redIAdd(dny).redISub(jyd4);
- var nz = jyd.redMul(jz);
- if (i + 1 < pow)
- jz4 = jz4.redMul(jyd4);
-
- jx = nx;
- jz = nz;
- jyd = dny;
- }
-
- return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
-};
-
-JPoint.prototype.dbl = function dbl() {
- if (this.isInfinity())
- return this;
-
- if (this.curve.zeroA)
- return this._zeroDbl();
- else if (this.curve.threeA)
- return this._threeDbl();
- else
- return this._dbl();
-};
-
-JPoint.prototype._zeroDbl = function _zeroDbl() {
- var nx;
- var ny;
- var nz;
- // Z = 1
- if (this.zOne) {
- // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
- // #doubling-mdbl-2007-bl
- // 1M + 5S + 14A
-
- // XX = X1^2
- var xx = this.x.redSqr();
- // YY = Y1^2
- var yy = this.y.redSqr();
- // YYYY = YY^2
- var yyyy = yy.redSqr();
- // S = 2 * ((X1 + YY)^2 - XX - YYYY)
- var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
- s = s.redIAdd(s);
- // M = 3 * XX + a; a = 0
- var m = xx.redAdd(xx).redIAdd(xx);
- // T = M ^ 2 - 2*S
- var t = m.redSqr().redISub(s).redISub(s);
-
- // 8 * YYYY
- var yyyy8 = yyyy.redIAdd(yyyy);
- yyyy8 = yyyy8.redIAdd(yyyy8);
- yyyy8 = yyyy8.redIAdd(yyyy8);
-
- // X3 = T
- nx = t;
- // Y3 = M * (S - T) - 8 * YYYY
- ny = m.redMul(s.redISub(t)).redISub(yyyy8);
- // Z3 = 2*Y1
- nz = this.y.redAdd(this.y);
- } else {
- // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
- // #doubling-dbl-2009-l
- // 2M + 5S + 13A
-
- // A = X1^2
- var a = this.x.redSqr();
- // B = Y1^2
- var b = this.y.redSqr();
- // C = B^2
- var c = b.redSqr();
- // D = 2 * ((X1 + B)^2 - A - C)
- var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
- d = d.redIAdd(d);
- // E = 3 * A
- var e = a.redAdd(a).redIAdd(a);
- // F = E^2
- var f = e.redSqr();
-
- // 8 * C
- var c8 = c.redIAdd(c);
- c8 = c8.redIAdd(c8);
- c8 = c8.redIAdd(c8);
-
- // X3 = F - 2 * D
- nx = f.redISub(d).redISub(d);
- // Y3 = E * (D - X3) - 8 * C
- ny = e.redMul(d.redISub(nx)).redISub(c8);
- // Z3 = 2 * Y1 * Z1
- nz = this.y.redMul(this.z);
- nz = nz.redIAdd(nz);
- }
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype._threeDbl = function _threeDbl() {
- var nx;
- var ny;
- var nz;
- // Z = 1
- if (this.zOne) {
- // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
- // #doubling-mdbl-2007-bl
- // 1M + 5S + 15A
-
- // XX = X1^2
- var xx = this.x.redSqr();
- // YY = Y1^2
- var yy = this.y.redSqr();
- // YYYY = YY^2
- var yyyy = yy.redSqr();
- // S = 2 * ((X1 + YY)^2 - XX - YYYY)
- var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
- s = s.redIAdd(s);
- // M = 3 * XX + a
- var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
- // T = M^2 - 2 * S
- var t = m.redSqr().redISub(s).redISub(s);
- // X3 = T
- nx = t;
- // Y3 = M * (S - T) - 8 * YYYY
- var yyyy8 = yyyy.redIAdd(yyyy);
- yyyy8 = yyyy8.redIAdd(yyyy8);
- yyyy8 = yyyy8.redIAdd(yyyy8);
- ny = m.redMul(s.redISub(t)).redISub(yyyy8);
- // Z3 = 2 * Y1
- nz = this.y.redAdd(this.y);
- } else {
- // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
- // 3M + 5S
-
- // delta = Z1^2
- var delta = this.z.redSqr();
- // gamma = Y1^2
- var gamma = this.y.redSqr();
- // beta = X1 * gamma
- var beta = this.x.redMul(gamma);
- // alpha = 3 * (X1 - delta) * (X1 + delta)
- var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
- alpha = alpha.redAdd(alpha).redIAdd(alpha);
- // X3 = alpha^2 - 8 * beta
- var beta4 = beta.redIAdd(beta);
- beta4 = beta4.redIAdd(beta4);
- var beta8 = beta4.redAdd(beta4);
- nx = alpha.redSqr().redISub(beta8);
- // Z3 = (Y1 + Z1)^2 - gamma - delta
- nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
- // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
- var ggamma8 = gamma.redSqr();
- ggamma8 = ggamma8.redIAdd(ggamma8);
- ggamma8 = ggamma8.redIAdd(ggamma8);
- ggamma8 = ggamma8.redIAdd(ggamma8);
- ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
- }
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype._dbl = function _dbl() {
- var a = this.curve.a;
-
- // 4M + 6S + 10A
- var jx = this.x;
- var jy = this.y;
- var jz = this.z;
- var jz4 = jz.redSqr().redSqr();
-
- var jx2 = jx.redSqr();
- var jy2 = jy.redSqr();
-
- var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
-
- var jxd4 = jx.redAdd(jx);
- jxd4 = jxd4.redIAdd(jxd4);
- var t1 = jxd4.redMul(jy2);
- var nx = c.redSqr().redISub(t1.redAdd(t1));
- var t2 = t1.redISub(nx);
-
- var jyd8 = jy2.redSqr();
- jyd8 = jyd8.redIAdd(jyd8);
- jyd8 = jyd8.redIAdd(jyd8);
- jyd8 = jyd8.redIAdd(jyd8);
- var ny = c.redMul(t2).redISub(jyd8);
- var nz = jy.redAdd(jy).redMul(jz);
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.trpl = function trpl() {
- if (!this.curve.zeroA)
- return this.dbl().add(this);
-
- // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
- // 5M + 10S + ...
-
- // XX = X1^2
- var xx = this.x.redSqr();
- // YY = Y1^2
- var yy = this.y.redSqr();
- // ZZ = Z1^2
- var zz = this.z.redSqr();
- // YYYY = YY^2
- var yyyy = yy.redSqr();
- // M = 3 * XX + a * ZZ2; a = 0
- var m = xx.redAdd(xx).redIAdd(xx);
- // MM = M^2
- var mm = m.redSqr();
- // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
- var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
- e = e.redIAdd(e);
- e = e.redAdd(e).redIAdd(e);
- e = e.redISub(mm);
- // EE = E^2
- var ee = e.redSqr();
- // T = 16*YYYY
- var t = yyyy.redIAdd(yyyy);
- t = t.redIAdd(t);
- t = t.redIAdd(t);
- t = t.redIAdd(t);
- // U = (M + E)^2 - MM - EE - T
- var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
- // X3 = 4 * (X1 * EE - 4 * YY * U)
- var yyu4 = yy.redMul(u);
- yyu4 = yyu4.redIAdd(yyu4);
- yyu4 = yyu4.redIAdd(yyu4);
- var nx = this.x.redMul(ee).redISub(yyu4);
- nx = nx.redIAdd(nx);
- nx = nx.redIAdd(nx);
- // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
- var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
- ny = ny.redIAdd(ny);
- ny = ny.redIAdd(ny);
- ny = ny.redIAdd(ny);
- // Z3 = (Z1 + E)^2 - ZZ - EE
- var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
-
- return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.mul = function mul(k, kbase) {
- k = new BN(k, kbase);
-
- return this.curve._wnafMul(this, k);
-};
-
-JPoint.prototype.eq = function eq(p) {
- if (p.type === 'affine')
- return this.eq(p.toJ());
-
- if (this === p)
- return true;
-
- // x1 * z2^2 == x2 * z1^2
- var z2 = this.z.redSqr();
- var pz2 = p.z.redSqr();
- if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
- return false;
-
- // y1 * z2^3 == y2 * z1^3
- var z3 = z2.redMul(this.z);
- var pz3 = pz2.redMul(p.z);
- return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
-};
-
-JPoint.prototype.eqXToP = function eqXToP(x) {
- var zs = this.z.redSqr();
- var rx = x.toRed(this.curve.red).redMul(zs);
- if (this.x.cmp(rx) === 0)
- return true;
-
- var xc = x.clone();
- var t = this.curve.redN.redMul(zs);
- for (;;) {
- xc.iadd(this.curve.n);
- if (xc.cmp(this.curve.p) >= 0)
- return false;
-
- rx.redIAdd(t);
- if (this.x.cmp(rx) === 0)
- return true;
- }
- return false;
-};
-
-JPoint.prototype.inspect = function inspect() {
- if (this.isInfinity())
- return '';
- return '';
-};
-
-JPoint.prototype.isInfinity = function isInfinity() {
- // XXX This code assumes that zero is always zero in red
- return this.z.cmpn(0) === 0;
-};
-
-},{"../../elliptic":97,"../curve":100,"bn.js":81,"inherits":121}],103:[function(require,module,exports){
-'use strict';
-
-var curves = exports;
-
-var hash = require('hash.js');
-var elliptic = require('../elliptic');
-
-var assert = elliptic.utils.assert;
-
-function PresetCurve(options) {
- if (options.type === 'short')
- this.curve = new elliptic.curve.short(options);
- else if (options.type === 'edwards')
- this.curve = new elliptic.curve.edwards(options);
- else
- this.curve = new elliptic.curve.mont(options);
- this.g = this.curve.g;
- this.n = this.curve.n;
- this.hash = options.hash;
-
- assert(this.g.validate(), 'Invalid curve');
- assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
-}
-curves.PresetCurve = PresetCurve;
-
-function defineCurve(name, options) {
- Object.defineProperty(curves, name, {
- configurable: true,
- enumerable: true,
- get: function() {
- var curve = new PresetCurve(options);
- Object.defineProperty(curves, name, {
- configurable: true,
- enumerable: true,
- value: curve
- });
- return curve;
- }
- });
-}
-
-defineCurve('p192', {
- type: 'short',
- prime: 'p192',
- p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
- a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
- b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
- n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
- hash: hash.sha256,
- gRed: false,
- g: [
- '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
- '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
- ]
-});
-
-defineCurve('p224', {
- type: 'short',
- prime: 'p224',
- p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
- a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
- b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
- n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
- hash: hash.sha256,
- gRed: false,
- g: [
- 'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
- 'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
- ]
-});
-
-defineCurve('p256', {
- type: 'short',
- prime: null,
- p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
- a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
- b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
- n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
- hash: hash.sha256,
- gRed: false,
- g: [
- '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
- '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
- ]
-});
-
-defineCurve('p384', {
- type: 'short',
- prime: null,
- p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'fffffffe ffffffff 00000000 00000000 ffffffff',
- a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'fffffffe ffffffff 00000000 00000000 fffffffc',
- b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
- '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
- n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
- 'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
- hash: hash.sha384,
- gRed: false,
- g: [
- 'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
- '5502f25d bf55296c 3a545e38 72760ab7',
- '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
- '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
- ]
-});
-
-defineCurve('p521', {
- type: 'short',
- prime: null,
- p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'ffffffff ffffffff ffffffff ffffffff ffffffff',
- a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'ffffffff ffffffff ffffffff ffffffff fffffffc',
- b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
- '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
- '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
- n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
- 'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
- 'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
- hash: hash.sha512,
- gRed: false,
- g: [
- '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
- '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
- 'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
- '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
- '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
- '3fad0761 353c7086 a272c240 88be9476 9fd16650'
- ]
-});
-
-defineCurve('curve25519', {
- type: 'mont',
- prime: 'p25519',
- p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
- a: '76d06',
- b: '1',
- n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
- hash: hash.sha256,
- gRed: false,
- g: [
- '9'
- ]
-});
-
-defineCurve('ed25519', {
- type: 'edwards',
- prime: 'p25519',
- p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
- a: '-1',
- c: '1',
- // -121665 * (121666^(-1)) (mod P)
- d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
- n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
- hash: hash.sha256,
- gRed: false,
- g: [
- '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
-
- // 4/5
- '6666666666666666666666666666666666666666666666666666666666666658'
- ]
-});
-
-var pre;
-try {
- pre = require('./precomputed/secp256k1');
-} catch (e) {
- pre = undefined;
-}
-
-defineCurve('secp256k1', {
- type: 'short',
- prime: 'k256',
- p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
- a: '0',
- b: '7',
- n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
- h: '1',
- hash: hash.sha256,
-
- // Precomputed endomorphism
- beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
- lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
- basis: [
- {
- a: '3086d221a7d46bcde86c90e49284eb15',
- b: '-e4437ed6010e88286f547fa90abfe4c3'
- },
- {
- a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
- b: '3086d221a7d46bcde86c90e49284eb15'
- }
- ],
-
- gRed: false,
- g: [
- '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
- '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
- pre
- ]
-});
-
-},{"../elliptic":97,"./precomputed/secp256k1":110,"hash.js":114}],104:[function(require,module,exports){
-'use strict';
-
-var BN = require('bn.js');
-var HmacDRBG = require('hmac-drbg');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-var KeyPair = require('./key');
-var Signature = require('./signature');
-
-function EC(options) {
- if (!(this instanceof EC))
- return new EC(options);
-
- // Shortcut `elliptic.ec(curve-name)`
- if (typeof options === 'string') {
- assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
-
- options = elliptic.curves[options];
- }
-
- // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
- if (options instanceof elliptic.curves.PresetCurve)
- options = { curve: options };
-
- this.curve = options.curve.curve;
- this.n = this.curve.n;
- this.nh = this.n.ushrn(1);
- this.g = this.curve.g;
-
- // Point on curve
- this.g = options.curve.g;
- this.g.precompute(options.curve.n.bitLength() + 1);
-
- // Hash for function for DRBG
- this.hash = options.hash || options.curve.hash;
-}
-module.exports = EC;
-
-EC.prototype.keyPair = function keyPair(options) {
- return new KeyPair(this, options);
-};
-
-EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
- return KeyPair.fromPrivate(this, priv, enc);
-};
-
-EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
- return KeyPair.fromPublic(this, pub, enc);
-};
-
-EC.prototype.genKeyPair = function genKeyPair(options) {
- if (!options)
- options = {};
-
- // Instantiate Hmac_DRBG
- var drbg = new HmacDRBG({
- hash: this.hash,
- pers: options.pers,
- persEnc: options.persEnc || 'utf8',
- entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
- entropyEnc: options.entropy && options.entropyEnc || 'utf8',
- nonce: this.n.toArray()
- });
-
- var bytes = this.n.byteLength();
- var ns2 = this.n.sub(new BN(2));
- do {
- var priv = new BN(drbg.generate(bytes));
- if (priv.cmp(ns2) > 0)
- continue;
-
- priv.iaddn(1);
- return this.keyFromPrivate(priv);
- } while (true);
-};
-
-EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
- var delta = msg.byteLength() * 8 - this.n.bitLength();
- if (delta > 0)
- msg = msg.ushrn(delta);
- if (!truncOnly && msg.cmp(this.n) >= 0)
- return msg.sub(this.n);
- else
- return msg;
-};
-
-EC.prototype.sign = function sign(msg, key, enc, options) {
- if (typeof enc === 'object') {
- options = enc;
- enc = null;
- }
- if (!options)
- options = {};
-
- key = this.keyFromPrivate(key, enc);
- msg = this._truncateToN(new BN(msg, 16));
-
- // Zero-extend key to provide enough entropy
- var bytes = this.n.byteLength();
- var bkey = key.getPrivate().toArray('be', bytes);
-
- // Zero-extend nonce to have the same byte size as N
- var nonce = msg.toArray('be', bytes);
-
- // Instantiate Hmac_DRBG
- var drbg = new HmacDRBG({
- hash: this.hash,
- entropy: bkey,
- nonce: nonce,
- pers: options.pers,
- persEnc: options.persEnc || 'utf8'
- });
-
- // Number of bytes to generate
- var ns1 = this.n.sub(new BN(1));
-
- for (var iter = 0; true; iter++) {
- var k = options.k ?
- options.k(iter) :
- new BN(drbg.generate(this.n.byteLength()));
- k = this._truncateToN(k, true);
- if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
- continue;
-
- var kp = this.g.mul(k);
- if (kp.isInfinity())
- continue;
-
- var kpX = kp.getX();
- var r = kpX.umod(this.n);
- if (r.cmpn(0) === 0)
- continue;
-
- var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
- s = s.umod(this.n);
- if (s.cmpn(0) === 0)
- continue;
-
- var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
- (kpX.cmp(r) !== 0 ? 2 : 0);
-
- // Use complement of `s`, if it is > `n / 2`
- if (options.canonical && s.cmp(this.nh) > 0) {
- s = this.n.sub(s);
- recoveryParam ^= 1;
- }
-
- return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
- }
-};
-
-EC.prototype.verify = function verify(msg, signature, key, enc) {
- msg = this._truncateToN(new BN(msg, 16));
- key = this.keyFromPublic(key, enc);
- signature = new Signature(signature, 'hex');
-
- // Perform primitive values validation
- var r = signature.r;
- var s = signature.s;
- if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
- return false;
- if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
- return false;
-
- // Validate signature
- var sinv = s.invm(this.n);
- var u1 = sinv.mul(msg).umod(this.n);
- var u2 = sinv.mul(r).umod(this.n);
-
- if (!this.curve._maxwellTrick) {
- var p = this.g.mulAdd(u1, key.getPublic(), u2);
- if (p.isInfinity())
- return false;
-
- return p.getX().umod(this.n).cmp(r) === 0;
- }
-
- // NOTE: Greg Maxwell's trick, inspired by:
- // https://git.io/vad3K
-
- var p = this.g.jmulAdd(u1, key.getPublic(), u2);
- if (p.isInfinity())
- return false;
-
- // Compare `p.x` of Jacobian point with `r`,
- // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
- // inverse of `p.z^2`
- return p.eqXToP(r);
-};
-
-EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
- assert((3 & j) === j, 'The recovery param is more than two bits');
- signature = new Signature(signature, enc);
-
- var n = this.n;
- var e = new BN(msg);
- var r = signature.r;
- var s = signature.s;
-
- // A set LSB signifies that the y-coordinate is odd
- var isYOdd = j & 1;
- var isSecondKey = j >> 1;
- if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
- throw new Error('Unable to find sencond key candinate');
-
- // 1.1. Let x = r + jn.
- if (isSecondKey)
- r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
- else
- r = this.curve.pointFromX(r, isYOdd);
-
- var rInv = signature.r.invm(n);
- var s1 = n.sub(e).mul(rInv).umod(n);
- var s2 = s.mul(rInv).umod(n);
-
- // 1.6.1 Compute Q = r^-1 (sR - eG)
- // Q = r^-1 (sR + -eG)
- return this.g.mulAdd(s1, r, s2);
-};
-
-EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
- signature = new Signature(signature, enc);
- if (signature.recoveryParam !== null)
- return signature.recoveryParam;
-
- for (var i = 0; i < 4; i++) {
- var Qprime;
- try {
- Qprime = this.recoverPubKey(e, signature, i);
- } catch (e) {
- continue;
- }
-
- if (Qprime.eq(Q))
- return i;
- }
- throw new Error('Unable to find valid recovery factor');
-};
-
-},{"../../elliptic":97,"./key":105,"./signature":106,"bn.js":81,"hmac-drbg":120}],105:[function(require,module,exports){
-'use strict';
-
-var BN = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-function KeyPair(ec, options) {
- this.ec = ec;
- this.priv = null;
- this.pub = null;
-
- // KeyPair(ec, { priv: ..., pub: ... })
- if (options.priv)
- this._importPrivate(options.priv, options.privEnc);
- if (options.pub)
- this._importPublic(options.pub, options.pubEnc);
-}
-module.exports = KeyPair;
-
-KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
- if (pub instanceof KeyPair)
- return pub;
-
- return new KeyPair(ec, {
- pub: pub,
- pubEnc: enc
- });
-};
-
-KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
- if (priv instanceof KeyPair)
- return priv;
-
- return new KeyPair(ec, {
- priv: priv,
- privEnc: enc
- });
-};
-
-KeyPair.prototype.validate = function validate() {
- var pub = this.getPublic();
-
- if (pub.isInfinity())
- return { result: false, reason: 'Invalid public key' };
- if (!pub.validate())
- return { result: false, reason: 'Public key is not a point' };
- if (!pub.mul(this.ec.curve.n).isInfinity())
- return { result: false, reason: 'Public key * N != O' };
-
- return { result: true, reason: null };
-};
-
-KeyPair.prototype.getPublic = function getPublic(compact, enc) {
- // compact is optional argument
- if (typeof compact === 'string') {
- enc = compact;
- compact = null;
- }
-
- if (!this.pub)
- this.pub = this.ec.g.mul(this.priv);
-
- if (!enc)
- return this.pub;
-
- return this.pub.encode(enc, compact);
-};
-
-KeyPair.prototype.getPrivate = function getPrivate(enc) {
- if (enc === 'hex')
- return this.priv.toString(16, 2);
- else
- return this.priv;
-};
-
-KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
- this.priv = new BN(key, enc || 16);
-
- // Ensure that the priv won't be bigger than n, otherwise we may fail
- // in fixed multiplication method
- this.priv = this.priv.umod(this.ec.curve.n);
-};
-
-KeyPair.prototype._importPublic = function _importPublic(key, enc) {
- if (key.x || key.y) {
- // Montgomery points only have an `x` coordinate.
- // Weierstrass/Edwards points on the other hand have both `x` and
- // `y` coordinates.
- if (this.ec.curve.type === 'mont') {
- assert(key.x, 'Need x coordinate');
- } else if (this.ec.curve.type === 'short' ||
- this.ec.curve.type === 'edwards') {
- assert(key.x && key.y, 'Need both x and y coordinate');
- }
- this.pub = this.ec.curve.point(key.x, key.y);
- return;
- }
- this.pub = this.ec.curve.decodePoint(key, enc);
-};
-
-// ECDH
-KeyPair.prototype.derive = function derive(pub) {
- return pub.mul(this.priv).getX();
-};
-
-// ECDSA
-KeyPair.prototype.sign = function sign(msg, enc, options) {
- return this.ec.sign(msg, this, enc, options);
-};
-
-KeyPair.prototype.verify = function verify(msg, signature) {
- return this.ec.verify(msg, signature, this);
-};
-
-KeyPair.prototype.inspect = function inspect() {
- return '';
-};
-
-},{"../../elliptic":97,"bn.js":81}],106:[function(require,module,exports){
-'use strict';
-
-var BN = require('bn.js');
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-function Signature(options, enc) {
- if (options instanceof Signature)
- return options;
-
- if (this._importDER(options, enc))
- return;
-
- assert(options.r && options.s, 'Signature without r or s');
- this.r = new BN(options.r, 16);
- this.s = new BN(options.s, 16);
- if (options.recoveryParam === undefined)
- this.recoveryParam = null;
- else
- this.recoveryParam = options.recoveryParam;
-}
-module.exports = Signature;
-
-function Position() {
- this.place = 0;
-}
-
-function getLength(buf, p) {
- var initial = buf[p.place++];
- if (!(initial & 0x80)) {
- return initial;
- }
- var octetLen = initial & 0xf;
- var val = 0;
- for (var i = 0, off = p.place; i < octetLen; i++, off++) {
- val <<= 8;
- val |= buf[off];
- }
- p.place = off;
- return val;
-}
-
-function rmPadding(buf) {
- var i = 0;
- var len = buf.length - 1;
- while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
- i++;
- }
- if (i === 0) {
- return buf;
- }
- return buf.slice(i);
-}
-
-Signature.prototype._importDER = function _importDER(data, enc) {
- data = utils.toArray(data, enc);
- var p = new Position();
- if (data[p.place++] !== 0x30) {
- return false;
- }
- var len = getLength(data, p);
- if ((len + p.place) !== data.length) {
- return false;
- }
- if (data[p.place++] !== 0x02) {
- return false;
- }
- var rlen = getLength(data, p);
- var r = data.slice(p.place, rlen + p.place);
- p.place += rlen;
- if (data[p.place++] !== 0x02) {
- return false;
- }
- var slen = getLength(data, p);
- if (data.length !== slen + p.place) {
- return false;
- }
- var s = data.slice(p.place, slen + p.place);
- if (r[0] === 0 && (r[1] & 0x80)) {
- r = r.slice(1);
- }
- if (s[0] === 0 && (s[1] & 0x80)) {
- s = s.slice(1);
- }
-
- this.r = new BN(r);
- this.s = new BN(s);
- this.recoveryParam = null;
-
- return true;
-};
-
-function constructLength(arr, len) {
- if (len < 0x80) {
- arr.push(len);
- return;
- }
- var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
- arr.push(octets | 0x80);
- while (--octets) {
- arr.push((len >>> (octets << 3)) & 0xff);
- }
- arr.push(len);
-}
-
-Signature.prototype.toDER = function toDER(enc) {
- var r = this.r.toArray();
- var s = this.s.toArray();
-
- // Pad values
- if (r[0] & 0x80)
- r = [ 0 ].concat(r);
- // Pad values
- if (s[0] & 0x80)
- s = [ 0 ].concat(s);
-
- r = rmPadding(r);
- s = rmPadding(s);
-
- while (!s[0] && !(s[1] & 0x80)) {
- s = s.slice(1);
- }
- var arr = [ 0x02 ];
- constructLength(arr, r.length);
- arr = arr.concat(r);
- arr.push(0x02);
- constructLength(arr, s.length);
- var backHalf = arr.concat(s);
- var res = [ 0x30 ];
- constructLength(res, backHalf.length);
- res = res.concat(backHalf);
- return utils.encode(res, enc);
-};
-
-},{"../../elliptic":97,"bn.js":81}],107:[function(require,module,exports){
-'use strict';
-
-var hash = require('hash.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var parseBytes = utils.parseBytes;
-var KeyPair = require('./key');
-var Signature = require('./signature');
-
-function EDDSA(curve) {
- assert(curve === 'ed25519', 'only tested with ed25519 so far');
-
- if (!(this instanceof EDDSA))
- return new EDDSA(curve);
-
- var curve = elliptic.curves[curve].curve;
- this.curve = curve;
- this.g = curve.g;
- this.g.precompute(curve.n.bitLength() + 1);
-
- this.pointClass = curve.point().constructor;
- this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
- this.hash = hash.sha512;
-}
-
-module.exports = EDDSA;
-
-/**
-* @param {Array|String} message - message bytes
-* @param {Array|String|KeyPair} secret - secret bytes or a keypair
-* @returns {Signature} - signature
-*/
-EDDSA.prototype.sign = function sign(message, secret) {
- message = parseBytes(message);
- var key = this.keyFromSecret(secret);
- var r = this.hashInt(key.messagePrefix(), message);
- var R = this.g.mul(r);
- var Rencoded = this.encodePoint(R);
- var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
- .mul(key.priv());
- var S = r.add(s_).umod(this.curve.n);
- return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
-};
-
-/**
-* @param {Array} message - message bytes
-* @param {Array|String|Signature} sig - sig bytes
-* @param {Array|String|Point|KeyPair} pub - public key
-* @returns {Boolean} - true if public key matches sig of message
-*/
-EDDSA.prototype.verify = function verify(message, sig, pub) {
- message = parseBytes(message);
- sig = this.makeSignature(sig);
- var key = this.keyFromPublic(pub);
- var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
- var SG = this.g.mul(sig.S());
- var RplusAh = sig.R().add(key.pub().mul(h));
- return RplusAh.eq(SG);
-};
-
-EDDSA.prototype.hashInt = function hashInt() {
- var hash = this.hash();
- for (var i = 0; i < arguments.length; i++)
- hash.update(arguments[i]);
- return utils.intFromLE(hash.digest()).umod(this.curve.n);
-};
-
-EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
- return KeyPair.fromPublic(this, pub);
-};
-
-EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
- return KeyPair.fromSecret(this, secret);
-};
-
-EDDSA.prototype.makeSignature = function makeSignature(sig) {
- if (sig instanceof Signature)
- return sig;
- return new Signature(this, sig);
-};
-
-/**
-* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
-*
-* EDDSA defines methods for encoding and decoding points and integers. These are
-* helper convenience methods, that pass along to utility functions implied
-* parameters.
-*
-*/
-EDDSA.prototype.encodePoint = function encodePoint(point) {
- var enc = point.getY().toArray('le', this.encodingLength);
- enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
- return enc;
-};
-
-EDDSA.prototype.decodePoint = function decodePoint(bytes) {
- bytes = utils.parseBytes(bytes);
-
- var lastIx = bytes.length - 1;
- var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
- var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
-
- var y = utils.intFromLE(normed);
- return this.curve.pointFromY(y, xIsOdd);
-};
-
-EDDSA.prototype.encodeInt = function encodeInt(num) {
- return num.toArray('le', this.encodingLength);
-};
-
-EDDSA.prototype.decodeInt = function decodeInt(bytes) {
- return utils.intFromLE(bytes);
-};
-
-EDDSA.prototype.isPoint = function isPoint(val) {
- return val instanceof this.pointClass;
-};
-
-},{"../../elliptic":97,"./key":108,"./signature":109,"hash.js":114}],108:[function(require,module,exports){
-'use strict';
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var parseBytes = utils.parseBytes;
-var cachedProperty = utils.cachedProperty;
-
-/**
-* @param {EDDSA} eddsa - instance
-* @param {Object} params - public/private key parameters
-*
-* @param {Array} [params.secret] - secret seed bytes
-* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
-* @param {Array} [params.pub] - public key point encoded as bytes
-*
-*/
-function KeyPair(eddsa, params) {
- this.eddsa = eddsa;
- this._secret = parseBytes(params.secret);
- if (eddsa.isPoint(params.pub))
- this._pub = params.pub;
- else
- this._pubBytes = parseBytes(params.pub);
-}
-
-KeyPair.fromPublic = function fromPublic(eddsa, pub) {
- if (pub instanceof KeyPair)
- return pub;
- return new KeyPair(eddsa, { pub: pub });
-};
-
-KeyPair.fromSecret = function fromSecret(eddsa, secret) {
- if (secret instanceof KeyPair)
- return secret;
- return new KeyPair(eddsa, { secret: secret });
-};
-
-KeyPair.prototype.secret = function secret() {
- return this._secret;
-};
-
-cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
- return this.eddsa.encodePoint(this.pub());
-});
-
-cachedProperty(KeyPair, 'pub', function pub() {
- if (this._pubBytes)
- return this.eddsa.decodePoint(this._pubBytes);
- return this.eddsa.g.mul(this.priv());
-});
-
-cachedProperty(KeyPair, 'privBytes', function privBytes() {
- var eddsa = this.eddsa;
- var hash = this.hash();
- var lastIx = eddsa.encodingLength - 1;
-
- var a = hash.slice(0, eddsa.encodingLength);
- a[0] &= 248;
- a[lastIx] &= 127;
- a[lastIx] |= 64;
-
- return a;
-});
-
-cachedProperty(KeyPair, 'priv', function priv() {
- return this.eddsa.decodeInt(this.privBytes());
-});
-
-cachedProperty(KeyPair, 'hash', function hash() {
- return this.eddsa.hash().update(this.secret()).digest();
-});
-
-cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
- return this.hash().slice(this.eddsa.encodingLength);
-});
-
-KeyPair.prototype.sign = function sign(message) {
- assert(this._secret, 'KeyPair can only verify');
- return this.eddsa.sign(message, this);
-};
-
-KeyPair.prototype.verify = function verify(message, sig) {
- return this.eddsa.verify(message, sig, this);
-};
-
-KeyPair.prototype.getSecret = function getSecret(enc) {
- assert(this._secret, 'KeyPair is public only');
- return utils.encode(this.secret(), enc);
-};
-
-KeyPair.prototype.getPublic = function getPublic(enc) {
- return utils.encode(this.pubBytes(), enc);
-};
-
-module.exports = KeyPair;
-
-},{"../../elliptic":97}],109:[function(require,module,exports){
-'use strict';
-
-var BN = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var cachedProperty = utils.cachedProperty;
-var parseBytes = utils.parseBytes;
-
-/**
-* @param {EDDSA} eddsa - eddsa instance
-* @param {Array|Object} sig -
-* @param {Array|Point} [sig.R] - R point as Point or bytes
-* @param {Array|bn} [sig.S] - S scalar as bn or bytes
-* @param {Array} [sig.Rencoded] - R point encoded
-* @param {Array} [sig.Sencoded] - S scalar encoded
-*/
-function Signature(eddsa, sig) {
- this.eddsa = eddsa;
-
- if (typeof sig !== 'object')
- sig = parseBytes(sig);
-
- if (Array.isArray(sig)) {
- sig = {
- R: sig.slice(0, eddsa.encodingLength),
- S: sig.slice(eddsa.encodingLength)
- };
- }
-
- assert(sig.R && sig.S, 'Signature without R or S');
-
- if (eddsa.isPoint(sig.R))
- this._R = sig.R;
- if (sig.S instanceof BN)
- this._S = sig.S;
-
- this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
- this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
-}
-
-cachedProperty(Signature, 'S', function S() {
- return this.eddsa.decodeInt(this.Sencoded());
-});
-
-cachedProperty(Signature, 'R', function R() {
- return this.eddsa.decodePoint(this.Rencoded());
-});
-
-cachedProperty(Signature, 'Rencoded', function Rencoded() {
- return this.eddsa.encodePoint(this.R());
-});
-
-cachedProperty(Signature, 'Sencoded', function Sencoded() {
- return this.eddsa.encodeInt(this.S());
-});
-
-Signature.prototype.toBytes = function toBytes() {
- return this.Rencoded().concat(this.Sencoded());
-};
-
-Signature.prototype.toHex = function toHex() {
- return utils.encode(this.toBytes(), 'hex').toUpperCase();
-};
-
-module.exports = Signature;
-
-},{"../../elliptic":97,"bn.js":81}],110:[function(require,module,exports){
-module.exports = {
- doubles: {
- step: 4,
- points: [
- [
- 'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
- 'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
- ],
- [
- '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
- '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
- ],
- [
- '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
- 'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
- ],
- [
- '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
- '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
- ],
- [
- '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
- '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
- ],
- [
- '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
- '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
- ],
- [
- 'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
- '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
- ],
- [
- '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
- 'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
- ],
- [
- 'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
- '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
- ],
- [
- 'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
- 'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088'
- ],
- [
- 'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
- '9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d'
- ],
- [
- '53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
- '5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8'
- ],
- [
- '8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
- '10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a'
- ],
- [
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- ],
- [
- '6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
- '7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160'
- ],
- [
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- '56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0'
- ],
- [
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- '7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6'
- ],
- [
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- '53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589'
- ],
- [
- '6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8',
- 'bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17'
- ],
- [
- 'e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d',
- '4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda'
- ],
- [
- 'e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725',
- '7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd'
- ],
- [
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- '4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2'
- ],
- [
- '4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c',
- '17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6'
- ],
- [
- 'fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6',
- '6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f'
- ],
- [
- '76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39',
- 'c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01'
- ],
- [
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- '893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3'
- ],
- [
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- 'febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f'
- ],
- [
- 'b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03',
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- ],
- [
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- 'eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78'
- ],
- [
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- '7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1'
- ],
- [
- '90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4',
- 'e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150'
- ],
- [
- '8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da',
- '662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82'
- ],
- [
- 'e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11',
- '1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc'
- ],
- [
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- 'efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b'
- ],
- [
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- '2a758e300fa7984b471b006a1aafbb18d0a6b2c0420e83e20e8a9421cf2cfd51'
- ],
- [
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- '67c876d06f3e06de1dadf16e5661db3c4b3ae6d48e35b2ff30bf0b61a71ba45'
- ],
- [
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- 'db8ba9fff4b586d00c4b1f9177b0e28b5b0e7b8f7845295a294c84266b133120'
- ],
- [
- '324aed7df65c804252dc0270907a30b09612aeb973449cea4095980fc28d3d5d',
- '648a365774b61f2ff130c0c35aec1f4f19213b0c7e332843967224af96ab7c84'
- ],
- [
- '4df9c14919cde61f6d51dfdbe5fee5dceec4143ba8d1ca888e8bd373fd054c96',
- '35ec51092d8728050974c23a1d85d4b5d506cdc288490192ebac06cad10d5d'
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-};
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-},{}],111:[function(require,module,exports){
-'use strict';
-
-var utils = exports;
-var BN = require('bn.js');
-var minAssert = require('minimalistic-assert');
-var minUtils = require('minimalistic-crypto-utils');
-
-utils.assert = minAssert;
-utils.toArray = minUtils.toArray;
-utils.zero2 = minUtils.zero2;
-utils.toHex = minUtils.toHex;
-utils.encode = minUtils.encode;
-
-// Represent num in a w-NAF form
-function getNAF(num, w) {
- var naf = [];
- var ws = 1 << (w + 1);
- var k = num.clone();
- while (k.cmpn(1) >= 0) {
- var z;
- if (k.isOdd()) {
- var mod = k.andln(ws - 1);
- if (mod > (ws >> 1) - 1)
- z = (ws >> 1) - mod;
- else
- z = mod;
- k.isubn(z);
- } else {
- z = 0;
- }
- naf.push(z);
-
- // Optimization, shift by word if possible
- var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
- for (var i = 1; i < shift; i++)
- naf.push(0);
- k.iushrn(shift);
- }
-
- return naf;
-}
-utils.getNAF = getNAF;
-
-// Represent k1, k2 in a Joint Sparse Form
-function getJSF(k1, k2) {
- var jsf = [
- [],
- []
- ];
-
- k1 = k1.clone();
- k2 = k2.clone();
- var d1 = 0;
- var d2 = 0;
- while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
-
- // First phase
- var m14 = (k1.andln(3) + d1) & 3;
- var m24 = (k2.andln(3) + d2) & 3;
- if (m14 === 3)
- m14 = -1;
- if (m24 === 3)
- m24 = -1;
- var u1;
- if ((m14 & 1) === 0) {
- u1 = 0;
- } else {
- var m8 = (k1.andln(7) + d1) & 7;
- if ((m8 === 3 || m8 === 5) && m24 === 2)
- u1 = -m14;
- else
- u1 = m14;
- }
- jsf[0].push(u1);
-
- var u2;
- if ((m24 & 1) === 0) {
- u2 = 0;
- } else {
- var m8 = (k2.andln(7) + d2) & 7;
- if ((m8 === 3 || m8 === 5) && m14 === 2)
- u2 = -m24;
- else
- u2 = m24;
- }
- jsf[1].push(u2);
-
- // Second phase
- if (2 * d1 === u1 + 1)
- d1 = 1 - d1;
- if (2 * d2 === u2 + 1)
- d2 = 1 - d2;
- k1.iushrn(1);
- k2.iushrn(1);
- }
-
- return jsf;
-}
-utils.getJSF = getJSF;
-
-function cachedProperty(obj, name, computer) {
- var key = '_' + name;
- obj.prototype[name] = function cachedProperty() {
- return this[key] !== undefined ? this[key] :
- this[key] = computer.call(this);
- };
-}
-utils.cachedProperty = cachedProperty;
-
-function parseBytes(bytes) {
- return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
- bytes;
-}
-utils.parseBytes = parseBytes;
-
-function intFromLE(bytes) {
- return new BN(bytes, 'hex', 'le');
-}
-utils.intFromLE = intFromLE;
-
-
-},{"bn.js":81,"minimalistic-assert":123,"minimalistic-crypto-utils":124}],112:[function(require,module,exports){
-module.exports={
- "_args": [
- [
- "elliptic",
- "/home/ian/git/bitcoin/bitcoinjs-lib-browser"
- ]
- ],
- "_from": "elliptic@latest",
- "_id": "elliptic@6.4.0",
- "_inCache": true,
- "_installable": true,
- "_location": "/elliptic",
- "_nodeVersion": "7.0.0",
- "_npmOperationalInternal": {
- "host": "packages-18-east.internal.npmjs.com",
- "tmp": "tmp/elliptic-6.4.0.tgz_1487798866428_0.30510620190761983"
- },
- "_npmUser": {
- "email": "fedor@indutny.com",
- "name": "indutny"
- },
- "_npmVersion": "3.10.8",
- "_phantomChildren": {},
- "_requested": {
- "name": "elliptic",
- "raw": "elliptic",
- "rawSpec": "",
- "scope": null,
- "spec": "latest",
- "type": "tag"
- },
- "_requiredBy": [
- "#USER"
- ],
- "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
- "_shasum": "cac9af8762c85836187003c8dfe193e5e2eae5df",
- "_shrinkwrap": null,
- "_spec": "elliptic",
- "_where": "/home/ian/git/bitcoin/bitcoinjs-lib-browser",
- "author": {
- "email": "fedor@indutny.com",
- "name": "Fedor Indutny"
- },
- "bugs": {
- "url": "https://github.com/indutny/elliptic/issues"
- },
- "dependencies": {
- "bn.js": "^4.4.0",
- "brorand": "^1.0.1",
- "hash.js": "^1.0.0",
- "hmac-drbg": "^1.0.0",
- "inherits": "^2.0.1",
- "minimalistic-assert": "^1.0.0",
- "minimalistic-crypto-utils": "^1.0.0"
- },
- "description": "EC cryptography",
- "devDependencies": {
- "brfs": "^1.4.3",
- "coveralls": "^2.11.3",
- "grunt": "^0.4.5",
- "grunt-browserify": "^5.0.0",
- "grunt-cli": "^1.2.0",
- "grunt-contrib-connect": "^1.0.0",
- "grunt-contrib-copy": "^1.0.0",
- "grunt-contrib-uglify": "^1.0.1",
- "grunt-mocha-istanbul": "^3.0.1",
- "grunt-saucelabs": "^8.6.2",
- "istanbul": "^0.4.2",
- "jscs": "^2.9.0",
- "jshint": "^2.6.0",
- "mocha": "^2.1.0"
- },
- "directories": {},
- "dist": {
- "shasum": "cac9af8762c85836187003c8dfe193e5e2eae5df",
- "tarball": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz"
- },
- "files": [
- "lib"
- ],
- "gitHead": "6b0d2b76caae91471649c8e21f0b1d3ba0f96090",
- "homepage": "https://github.com/indutny/elliptic",
- "keywords": [
- "EC",
- "Elliptic",
- "curve",
- "Cryptography"
- ],
- "license": "MIT",
- "main": "lib/elliptic.js",
- "maintainers": [
- {
- "email": "fedor@indutny.com",
- "name": "indutny"
- }
- ],
- "name": "elliptic",
- "optionalDependencies": {},
- "readme": "ERROR: No README data found!",
- "repository": {
- "type": "git",
- "url": "git+ssh://git@github.com/indutny/elliptic.git"
- },
- "scripts": {
- "jscs": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
- "jshint": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
- "lint": "npm run jscs && npm run jshint",
- "test": "npm run lint && npm run unit",
- "unit": "istanbul test _mocha --reporter=spec test/index.js",
- "version": "grunt dist && git add dist/"
- },
- "version": "6.4.0"
-}
-
-},{}],113:[function(require,module,exports){
+},{"assert":1,"bigi":39,"safe-buffer":101}],95:[function(require,module,exports){
(function (Buffer){
'use strict'
var Transform = require('stream').Transform
@@ -47527,1255 +40079,9 @@ HashBase.prototype._digest = function () {
module.exports = HashBase
}).call(this,require("buffer").Buffer)
-},{"buffer":5,"inherits":121,"stream":28}],114:[function(require,module,exports){
-var hash = exports;
-
-hash.utils = require('./hash/utils');
-hash.common = require('./hash/common');
-hash.sha = require('./hash/sha');
-hash.ripemd = require('./hash/ripemd');
-hash.hmac = require('./hash/hmac');
-
-// Proxy hash functions to the main object
-hash.sha1 = hash.sha.sha1;
-hash.sha256 = hash.sha.sha256;
-hash.sha224 = hash.sha.sha224;
-hash.sha384 = hash.sha.sha384;
-hash.sha512 = hash.sha.sha512;
-hash.ripemd160 = hash.ripemd.ripemd160;
-
-},{"./hash/common":115,"./hash/hmac":116,"./hash/ripemd":117,"./hash/sha":118,"./hash/utils":119}],115:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-function BlockHash() {
- this.pending = null;
- this.pendingTotal = 0;
- this.blockSize = this.constructor.blockSize;
- this.outSize = this.constructor.outSize;
- this.hmacStrength = this.constructor.hmacStrength;
- this.padLength = this.constructor.padLength / 8;
- this.endian = 'big';
-
- this._delta8 = this.blockSize / 8;
- this._delta32 = this.blockSize / 32;
-}
-exports.BlockHash = BlockHash;
-
-BlockHash.prototype.update = function update(msg, enc) {
- // Convert message to array, pad it, and join into 32bit blocks
- msg = utils.toArray(msg, enc);
- if (!this.pending)
- this.pending = msg;
- else
- this.pending = this.pending.concat(msg);
- this.pendingTotal += msg.length;
-
- // Enough data, try updating
- if (this.pending.length >= this._delta8) {
- msg = this.pending;
-
- // Process pending data in blocks
- var r = msg.length % this._delta8;
- this.pending = msg.slice(msg.length - r, msg.length);
- if (this.pending.length === 0)
- this.pending = null;
-
- msg = utils.join32(msg, 0, msg.length - r, this.endian);
- for (var i = 0; i < msg.length; i += this._delta32)
- this._update(msg, i, i + this._delta32);
- }
-
- return this;
-};
-
-BlockHash.prototype.digest = function digest(enc) {
- this.update(this._pad());
- assert(this.pending === null);
-
- return this._digest(enc);
-};
-
-BlockHash.prototype._pad = function pad() {
- var len = this.pendingTotal;
- var bytes = this._delta8;
- var k = bytes - ((len + this.padLength) % bytes);
- var res = new Array(k + this.padLength);
- res[0] = 0x80;
- for (var i = 1; i < k; i++)
- res[i] = 0;
-
- // Append length
- len <<= 3;
- if (this.endian === 'big') {
- for (var t = 8; t < this.padLength; t++)
- res[i++] = 0;
-
- res[i++] = 0;
- res[i++] = 0;
- res[i++] = 0;
- res[i++] = 0;
- res[i++] = (len >>> 24) & 0xff;
- res[i++] = (len >>> 16) & 0xff;
- res[i++] = (len >>> 8) & 0xff;
- res[i++] = len & 0xff;
- } else {
- res[i++] = len & 0xff;
- res[i++] = (len >>> 8) & 0xff;
- res[i++] = (len >>> 16) & 0xff;
- res[i++] = (len >>> 24) & 0xff;
- res[i++] = 0;
- res[i++] = 0;
- res[i++] = 0;
- res[i++] = 0;
-
- for (var t = 8; t < this.padLength; t++)
- res[i++] = 0;
- }
-
- return res;
-};
-
-},{"../hash":114}],116:[function(require,module,exports){
-var hmac = exports;
-
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-function Hmac(hash, key, enc) {
- if (!(this instanceof Hmac))
- return new Hmac(hash, key, enc);
- this.Hash = hash;
- this.blockSize = hash.blockSize / 8;
- this.outSize = hash.outSize / 8;
- this.inner = null;
- this.outer = null;
-
- this._init(utils.toArray(key, enc));
-}
-module.exports = Hmac;
-
-Hmac.prototype._init = function init(key) {
- // Shorten key, if needed
- if (key.length > this.blockSize)
- key = new this.Hash().update(key).digest();
- assert(key.length <= this.blockSize);
-
- // Add padding to key
- for (var i = key.length; i < this.blockSize; i++)
- key.push(0);
-
- for (var i = 0; i < key.length; i++)
- key[i] ^= 0x36;
- this.inner = new this.Hash().update(key);
-
- // 0x36 ^ 0x5c = 0x6a
- for (var i = 0; i < key.length; i++)
- key[i] ^= 0x6a;
- this.outer = new this.Hash().update(key);
-};
-
-Hmac.prototype.update = function update(msg, enc) {
- this.inner.update(msg, enc);
- return this;
-};
-
-Hmac.prototype.digest = function digest(enc) {
- this.outer.update(this.inner.digest());
- return this.outer.digest(enc);
-};
-
-},{"../hash":114}],117:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-
-var rotl32 = utils.rotl32;
-var sum32 = utils.sum32;
-var sum32_3 = utils.sum32_3;
-var sum32_4 = utils.sum32_4;
-var BlockHash = hash.common.BlockHash;
-
-function RIPEMD160() {
- if (!(this instanceof RIPEMD160))
- return new RIPEMD160();
-
- BlockHash.call(this);
-
- this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
- this.endian = 'little';
-}
-utils.inherits(RIPEMD160, BlockHash);
-exports.ripemd160 = RIPEMD160;
-
-RIPEMD160.blockSize = 512;
-RIPEMD160.outSize = 160;
-RIPEMD160.hmacStrength = 192;
-RIPEMD160.padLength = 64;
-
-RIPEMD160.prototype._update = function update(msg, start) {
- var A = this.h[0];
- var B = this.h[1];
- var C = this.h[2];
- var D = this.h[3];
- var E = this.h[4];
- var Ah = A;
- var Bh = B;
- var Ch = C;
- var Dh = D;
- var Eh = E;
- for (var j = 0; j < 80; j++) {
- var T = sum32(
- rotl32(
- sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
- s[j]),
- E);
- A = E;
- E = D;
- D = rotl32(C, 10);
- C = B;
- B = T;
- T = sum32(
- rotl32(
- sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
- sh[j]),
- Eh);
- Ah = Eh;
- Eh = Dh;
- Dh = rotl32(Ch, 10);
- Ch = Bh;
- Bh = T;
- }
- T = sum32_3(this.h[1], C, Dh);
- this.h[1] = sum32_3(this.h[2], D, Eh);
- this.h[2] = sum32_3(this.h[3], E, Ah);
- this.h[3] = sum32_3(this.h[4], A, Bh);
- this.h[4] = sum32_3(this.h[0], B, Ch);
- this.h[0] = T;
-};
-
-RIPEMD160.prototype._digest = function digest(enc) {
- if (enc === 'hex')
- return utils.toHex32(this.h, 'little');
- else
- return utils.split32(this.h, 'little');
-};
-
-function f(j, x, y, z) {
- if (j <= 15)
- return x ^ y ^ z;
- else if (j <= 31)
- return (x & y) | ((~x) & z);
- else if (j <= 47)
- return (x | (~y)) ^ z;
- else if (j <= 63)
- return (x & z) | (y & (~z));
- else
- return x ^ (y | (~z));
-}
-
-function K(j) {
- if (j <= 15)
- return 0x00000000;
- else if (j <= 31)
- return 0x5a827999;
- else if (j <= 47)
- return 0x6ed9eba1;
- else if (j <= 63)
- return 0x8f1bbcdc;
- else
- return 0xa953fd4e;
-}
-
-function Kh(j) {
- if (j <= 15)
- return 0x50a28be6;
- else if (j <= 31)
- return 0x5c4dd124;
- else if (j <= 47)
- return 0x6d703ef3;
- else if (j <= 63)
- return 0x7a6d76e9;
- else
- return 0x00000000;
-}
-
-var r = [
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
- 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
- 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
- 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-];
-
-var rh = [
- 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
- 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
- 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
- 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
- 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-];
-
-var s = [
- 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
- 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
- 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
- 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
- 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-];
-
-var sh = [
- 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
- 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
- 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
- 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
- 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-];
-
-},{"../hash":114}],118:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-var rotr32 = utils.rotr32;
-var rotl32 = utils.rotl32;
-var sum32 = utils.sum32;
-var sum32_4 = utils.sum32_4;
-var sum32_5 = utils.sum32_5;
-var rotr64_hi = utils.rotr64_hi;
-var rotr64_lo = utils.rotr64_lo;
-var shr64_hi = utils.shr64_hi;
-var shr64_lo = utils.shr64_lo;
-var sum64 = utils.sum64;
-var sum64_hi = utils.sum64_hi;
-var sum64_lo = utils.sum64_lo;
-var sum64_4_hi = utils.sum64_4_hi;
-var sum64_4_lo = utils.sum64_4_lo;
-var sum64_5_hi = utils.sum64_5_hi;
-var sum64_5_lo = utils.sum64_5_lo;
-var BlockHash = hash.common.BlockHash;
-
-var sha256_K = [
- 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
- 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
- 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
- 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
- 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
- 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
- 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
- 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
- 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
- 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
- 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
- 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
- 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
- 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
- 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
- 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-];
-
-var sha512_K = [
- 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
- 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
- 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
- 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
- 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
- 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
- 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
- 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
- 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
- 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
- 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
- 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
- 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
- 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
- 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
- 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
- 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
- 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
- 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
- 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
- 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
- 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
- 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
- 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
- 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
- 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
- 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
- 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
- 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
- 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
- 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
- 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
- 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
- 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
- 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
- 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
- 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
- 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
- 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
- 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
-];
-
-var sha1_K = [
- 0x5A827999, 0x6ED9EBA1,
- 0x8F1BBCDC, 0xCA62C1D6
-];
-
-function SHA256() {
- if (!(this instanceof SHA256))
- return new SHA256();
-
- BlockHash.call(this);
- this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
- 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ];
- this.k = sha256_K;
- this.W = new Array(64);
-}
-utils.inherits(SHA256, BlockHash);
-exports.sha256 = SHA256;
-
-SHA256.blockSize = 512;
-SHA256.outSize = 256;
-SHA256.hmacStrength = 192;
-SHA256.padLength = 64;
-
-SHA256.prototype._update = function _update(msg, start) {
- var W = this.W;
-
- for (var i = 0; i < 16; i++)
- W[i] = msg[start + i];
- for (; i < W.length; i++)
- W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
-
- var a = this.h[0];
- var b = this.h[1];
- var c = this.h[2];
- var d = this.h[3];
- var e = this.h[4];
- var f = this.h[5];
- var g = this.h[6];
- var h = this.h[7];
-
- assert(this.k.length === W.length);
- for (var i = 0; i < W.length; i++) {
- var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
- var T2 = sum32(s0_256(a), maj32(a, b, c));
- h = g;
- g = f;
- f = e;
- e = sum32(d, T1);
- d = c;
- c = b;
- b = a;
- a = sum32(T1, T2);
- }
-
- this.h[0] = sum32(this.h[0], a);
- this.h[1] = sum32(this.h[1], b);
- this.h[2] = sum32(this.h[2], c);
- this.h[3] = sum32(this.h[3], d);
- this.h[4] = sum32(this.h[4], e);
- this.h[5] = sum32(this.h[5], f);
- this.h[6] = sum32(this.h[6], g);
- this.h[7] = sum32(this.h[7], h);
-};
-
-SHA256.prototype._digest = function digest(enc) {
- if (enc === 'hex')
- return utils.toHex32(this.h, 'big');
- else
- return utils.split32(this.h, 'big');
-};
-
-function SHA224() {
- if (!(this instanceof SHA224))
- return new SHA224();
-
- SHA256.call(this);
- this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
- 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
-}
-utils.inherits(SHA224, SHA256);
-exports.sha224 = SHA224;
-
-SHA224.blockSize = 512;
-SHA224.outSize = 224;
-SHA224.hmacStrength = 192;
-SHA224.padLength = 64;
-
-SHA224.prototype._digest = function digest(enc) {
- // Just truncate output
- if (enc === 'hex')
- return utils.toHex32(this.h.slice(0, 7), 'big');
- else
- return utils.split32(this.h.slice(0, 7), 'big');
-};
-
-function SHA512() {
- if (!(this instanceof SHA512))
- return new SHA512();
-
- BlockHash.call(this);
- this.h = [ 0x6a09e667, 0xf3bcc908,
- 0xbb67ae85, 0x84caa73b,
- 0x3c6ef372, 0xfe94f82b,
- 0xa54ff53a, 0x5f1d36f1,
- 0x510e527f, 0xade682d1,
- 0x9b05688c, 0x2b3e6c1f,
- 0x1f83d9ab, 0xfb41bd6b,
- 0x5be0cd19, 0x137e2179 ];
- this.k = sha512_K;
- this.W = new Array(160);
-}
-utils.inherits(SHA512, BlockHash);
-exports.sha512 = SHA512;
-
-SHA512.blockSize = 1024;
-SHA512.outSize = 512;
-SHA512.hmacStrength = 192;
-SHA512.padLength = 128;
-
-SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
- var W = this.W;
-
- // 32 x 32bit words
- for (var i = 0; i < 32; i++)
- W[i] = msg[start + i];
- for (; i < W.length; i += 2) {
- var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2
- var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
- var c1_hi = W[i - 14]; // i - 7
- var c1_lo = W[i - 13];
- var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15
- var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
- var c3_hi = W[i - 32]; // i - 16
- var c3_lo = W[i - 31];
-
- W[i] = sum64_4_hi(c0_hi, c0_lo,
- c1_hi, c1_lo,
- c2_hi, c2_lo,
- c3_hi, c3_lo);
- W[i + 1] = sum64_4_lo(c0_hi, c0_lo,
- c1_hi, c1_lo,
- c2_hi, c2_lo,
- c3_hi, c3_lo);
- }
-};
-
-SHA512.prototype._update = function _update(msg, start) {
- this._prepareBlock(msg, start);
-
- var W = this.W;
-
- var ah = this.h[0];
- var al = this.h[1];
- var bh = this.h[2];
- var bl = this.h[3];
- var ch = this.h[4];
- var cl = this.h[5];
- var dh = this.h[6];
- var dl = this.h[7];
- var eh = this.h[8];
- var el = this.h[9];
- var fh = this.h[10];
- var fl = this.h[11];
- var gh = this.h[12];
- var gl = this.h[13];
- var hh = this.h[14];
- var hl = this.h[15];
-
- assert(this.k.length === W.length);
- for (var i = 0; i < W.length; i += 2) {
- var c0_hi = hh;
- var c0_lo = hl;
- var c1_hi = s1_512_hi(eh, el);
- var c1_lo = s1_512_lo(eh, el);
- var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
- var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
- var c3_hi = this.k[i];
- var c3_lo = this.k[i + 1];
- var c4_hi = W[i];
- var c4_lo = W[i + 1];
-
- var T1_hi = sum64_5_hi(c0_hi, c0_lo,
- c1_hi, c1_lo,
- c2_hi, c2_lo,
- c3_hi, c3_lo,
- c4_hi, c4_lo);
- var T1_lo = sum64_5_lo(c0_hi, c0_lo,
- c1_hi, c1_lo,
- c2_hi, c2_lo,
- c3_hi, c3_lo,
- c4_hi, c4_lo);
-
- var c0_hi = s0_512_hi(ah, al);
- var c0_lo = s0_512_lo(ah, al);
- var c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
- var c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
-
- var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
- var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
-
- hh = gh;
- hl = gl;
-
- gh = fh;
- gl = fl;
-
- fh = eh;
- fl = el;
-
- eh = sum64_hi(dh, dl, T1_hi, T1_lo);
- el = sum64_lo(dl, dl, T1_hi, T1_lo);
-
- dh = ch;
- dl = cl;
-
- ch = bh;
- cl = bl;
-
- bh = ah;
- bl = al;
-
- ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
- al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
- }
-
- sum64(this.h, 0, ah, al);
- sum64(this.h, 2, bh, bl);
- sum64(this.h, 4, ch, cl);
- sum64(this.h, 6, dh, dl);
- sum64(this.h, 8, eh, el);
- sum64(this.h, 10, fh, fl);
- sum64(this.h, 12, gh, gl);
- sum64(this.h, 14, hh, hl);
-};
-
-SHA512.prototype._digest = function digest(enc) {
- if (enc === 'hex')
- return utils.toHex32(this.h, 'big');
- else
- return utils.split32(this.h, 'big');
-};
-
-function SHA384() {
- if (!(this instanceof SHA384))
- return new SHA384();
-
- SHA512.call(this);
- this.h = [ 0xcbbb9d5d, 0xc1059ed8,
- 0x629a292a, 0x367cd507,
- 0x9159015a, 0x3070dd17,
- 0x152fecd8, 0xf70e5939,
- 0x67332667, 0xffc00b31,
- 0x8eb44a87, 0x68581511,
- 0xdb0c2e0d, 0x64f98fa7,
- 0x47b5481d, 0xbefa4fa4 ];
-}
-utils.inherits(SHA384, SHA512);
-exports.sha384 = SHA384;
-
-SHA384.blockSize = 1024;
-SHA384.outSize = 384;
-SHA384.hmacStrength = 192;
-SHA384.padLength = 128;
-
-SHA384.prototype._digest = function digest(enc) {
- if (enc === 'hex')
- return utils.toHex32(this.h.slice(0, 12), 'big');
- else
- return utils.split32(this.h.slice(0, 12), 'big');
-};
-
-function SHA1() {
- if (!(this instanceof SHA1))
- return new SHA1();
-
- BlockHash.call(this);
- this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe,
- 0x10325476, 0xc3d2e1f0 ];
- this.W = new Array(80);
-}
-
-utils.inherits(SHA1, BlockHash);
-exports.sha1 = SHA1;
-
-SHA1.blockSize = 512;
-SHA1.outSize = 160;
-SHA1.hmacStrength = 80;
-SHA1.padLength = 64;
-
-SHA1.prototype._update = function _update(msg, start) {
- var W = this.W;
-
- for (var i = 0; i < 16; i++)
- W[i] = msg[start + i];
-
- for(; i < W.length; i++)
- W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
-
- var a = this.h[0];
- var b = this.h[1];
- var c = this.h[2];
- var d = this.h[3];
- var e = this.h[4];
-
- for (var i = 0; i < W.length; i++) {
- var s = ~~(i / 20);
- var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
- e = d;
- d = c;
- c = rotl32(b, 30);
- b = a;
- a = t;
- }
-
- this.h[0] = sum32(this.h[0], a);
- this.h[1] = sum32(this.h[1], b);
- this.h[2] = sum32(this.h[2], c);
- this.h[3] = sum32(this.h[3], d);
- this.h[4] = sum32(this.h[4], e);
-};
-
-SHA1.prototype._digest = function digest(enc) {
- if (enc === 'hex')
- return utils.toHex32(this.h, 'big');
- else
- return utils.split32(this.h, 'big');
-};
-
-function ch32(x, y, z) {
- return (x & y) ^ ((~x) & z);
-}
-
-function maj32(x, y, z) {
- return (x & y) ^ (x & z) ^ (y & z);
-}
-
-function p32(x, y, z) {
- return x ^ y ^ z;
-}
-
-function s0_256(x) {
- return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
-}
-
-function s1_256(x) {
- return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
-}
-
-function g0_256(x) {
- return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
-}
-
-function g1_256(x) {
- return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
-}
-
-function ft_1(s, x, y, z) {
- if (s === 0)
- return ch32(x, y, z);
- if (s === 1 || s === 3)
- return p32(x, y, z);
- if (s === 2)
- return maj32(x, y, z);
-}
-
-function ch64_hi(xh, xl, yh, yl, zh, zl) {
- var r = (xh & yh) ^ ((~xh) & zh);
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function ch64_lo(xh, xl, yh, yl, zh, zl) {
- var r = (xl & yl) ^ ((~xl) & zl);
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function maj64_hi(xh, xl, yh, yl, zh, zl) {
- var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function maj64_lo(xh, xl, yh, yl, zh, zl) {
- var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function s0_512_hi(xh, xl) {
- var c0_hi = rotr64_hi(xh, xl, 28);
- var c1_hi = rotr64_hi(xl, xh, 2); // 34
- var c2_hi = rotr64_hi(xl, xh, 7); // 39
-
- var r = c0_hi ^ c1_hi ^ c2_hi;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function s0_512_lo(xh, xl) {
- var c0_lo = rotr64_lo(xh, xl, 28);
- var c1_lo = rotr64_lo(xl, xh, 2); // 34
- var c2_lo = rotr64_lo(xl, xh, 7); // 39
-
- var r = c0_lo ^ c1_lo ^ c2_lo;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function s1_512_hi(xh, xl) {
- var c0_hi = rotr64_hi(xh, xl, 14);
- var c1_hi = rotr64_hi(xh, xl, 18);
- var c2_hi = rotr64_hi(xl, xh, 9); // 41
-
- var r = c0_hi ^ c1_hi ^ c2_hi;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function s1_512_lo(xh, xl) {
- var c0_lo = rotr64_lo(xh, xl, 14);
- var c1_lo = rotr64_lo(xh, xl, 18);
- var c2_lo = rotr64_lo(xl, xh, 9); // 41
-
- var r = c0_lo ^ c1_lo ^ c2_lo;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function g0_512_hi(xh, xl) {
- var c0_hi = rotr64_hi(xh, xl, 1);
- var c1_hi = rotr64_hi(xh, xl, 8);
- var c2_hi = shr64_hi(xh, xl, 7);
-
- var r = c0_hi ^ c1_hi ^ c2_hi;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function g0_512_lo(xh, xl) {
- var c0_lo = rotr64_lo(xh, xl, 1);
- var c1_lo = rotr64_lo(xh, xl, 8);
- var c2_lo = shr64_lo(xh, xl, 7);
-
- var r = c0_lo ^ c1_lo ^ c2_lo;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function g1_512_hi(xh, xl) {
- var c0_hi = rotr64_hi(xh, xl, 19);
- var c1_hi = rotr64_hi(xl, xh, 29); // 61
- var c2_hi = shr64_hi(xh, xl, 6);
-
- var r = c0_hi ^ c1_hi ^ c2_hi;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-function g1_512_lo(xh, xl) {
- var c0_lo = rotr64_lo(xh, xl, 19);
- var c1_lo = rotr64_lo(xl, xh, 29); // 61
- var c2_lo = shr64_lo(xh, xl, 6);
-
- var r = c0_lo ^ c1_lo ^ c2_lo;
- if (r < 0)
- r += 0x100000000;
- return r;
-}
-
-},{"../hash":114}],119:[function(require,module,exports){
-var utils = exports;
-var inherits = require('inherits');
-
-function toArray(msg, enc) {
- if (Array.isArray(msg))
- return msg.slice();
- if (!msg)
- return [];
- var res = [];
- if (typeof msg === 'string') {
- if (!enc) {
- for (var i = 0; i < msg.length; i++) {
- var c = msg.charCodeAt(i);
- var hi = c >> 8;
- var lo = c & 0xff;
- if (hi)
- res.push(hi, lo);
- else
- res.push(lo);
- }
- } else if (enc === 'hex') {
- msg = msg.replace(/[^a-z0-9]+/ig, '');
- if (msg.length % 2 !== 0)
- msg = '0' + msg;
- for (var i = 0; i < msg.length; i += 2)
- res.push(parseInt(msg[i] + msg[i + 1], 16));
- }
- } else {
- for (var i = 0; i < msg.length; i++)
- res[i] = msg[i] | 0;
- }
- return res;
-}
-utils.toArray = toArray;
-
-function toHex(msg) {
- var res = '';
- for (var i = 0; i < msg.length; i++)
- res += zero2(msg[i].toString(16));
- return res;
-}
-utils.toHex = toHex;
-
-function htonl(w) {
- var res = (w >>> 24) |
- ((w >>> 8) & 0xff00) |
- ((w << 8) & 0xff0000) |
- ((w & 0xff) << 24);
- return res >>> 0;
-}
-utils.htonl = htonl;
-
-function toHex32(msg, endian) {
- var res = '';
- for (var i = 0; i < msg.length; i++) {
- var w = msg[i];
- if (endian === 'little')
- w = htonl(w);
- res += zero8(w.toString(16));
- }
- return res;
-}
-utils.toHex32 = toHex32;
-
-function zero2(word) {
- if (word.length === 1)
- return '0' + word;
- else
- return word;
-}
-utils.zero2 = zero2;
-
-function zero8(word) {
- if (word.length === 7)
- return '0' + word;
- else if (word.length === 6)
- return '00' + word;
- else if (word.length === 5)
- return '000' + word;
- else if (word.length === 4)
- return '0000' + word;
- else if (word.length === 3)
- return '00000' + word;
- else if (word.length === 2)
- return '000000' + word;
- else if (word.length === 1)
- return '0000000' + word;
- else
- return word;
-}
-utils.zero8 = zero8;
-
-function join32(msg, start, end, endian) {
- var len = end - start;
- assert(len % 4 === 0);
- var res = new Array(len / 4);
- for (var i = 0, k = start; i < res.length; i++, k += 4) {
- var w;
- if (endian === 'big')
- w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
- else
- w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
- res[i] = w >>> 0;
- }
- return res;
-}
-utils.join32 = join32;
-
-function split32(msg, endian) {
- var res = new Array(msg.length * 4);
- for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
- var m = msg[i];
- if (endian === 'big') {
- res[k] = m >>> 24;
- res[k + 1] = (m >>> 16) & 0xff;
- res[k + 2] = (m >>> 8) & 0xff;
- res[k + 3] = m & 0xff;
- } else {
- res[k + 3] = m >>> 24;
- res[k + 2] = (m >>> 16) & 0xff;
- res[k + 1] = (m >>> 8) & 0xff;
- res[k] = m & 0xff;
- }
- }
- return res;
-}
-utils.split32 = split32;
-
-function rotr32(w, b) {
- return (w >>> b) | (w << (32 - b));
-}
-utils.rotr32 = rotr32;
-
-function rotl32(w, b) {
- return (w << b) | (w >>> (32 - b));
-}
-utils.rotl32 = rotl32;
-
-function sum32(a, b) {
- return (a + b) >>> 0;
-}
-utils.sum32 = sum32;
-
-function sum32_3(a, b, c) {
- return (a + b + c) >>> 0;
-}
-utils.sum32_3 = sum32_3;
-
-function sum32_4(a, b, c, d) {
- return (a + b + c + d) >>> 0;
-}
-utils.sum32_4 = sum32_4;
-
-function sum32_5(a, b, c, d, e) {
- return (a + b + c + d + e) >>> 0;
-}
-utils.sum32_5 = sum32_5;
-
-function assert(cond, msg) {
- if (!cond)
- throw new Error(msg || 'Assertion failed');
-}
-utils.assert = assert;
-
-utils.inherits = inherits;
-
-function sum64(buf, pos, ah, al) {
- var bh = buf[pos];
- var bl = buf[pos + 1];
-
- var lo = (al + bl) >>> 0;
- var hi = (lo < al ? 1 : 0) + ah + bh;
- buf[pos] = hi >>> 0;
- buf[pos + 1] = lo;
-}
-exports.sum64 = sum64;
-
-function sum64_hi(ah, al, bh, bl) {
- var lo = (al + bl) >>> 0;
- var hi = (lo < al ? 1 : 0) + ah + bh;
- return hi >>> 0;
-};
-exports.sum64_hi = sum64_hi;
-
-function sum64_lo(ah, al, bh, bl) {
- var lo = al + bl;
- return lo >>> 0;
-};
-exports.sum64_lo = sum64_lo;
-
-function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
- var carry = 0;
- var lo = al;
- lo = (lo + bl) >>> 0;
- carry += lo < al ? 1 : 0;
- lo = (lo + cl) >>> 0;
- carry += lo < cl ? 1 : 0;
- lo = (lo + dl) >>> 0;
- carry += lo < dl ? 1 : 0;
-
- var hi = ah + bh + ch + dh + carry;
- return hi >>> 0;
-};
-exports.sum64_4_hi = sum64_4_hi;
-
-function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
- var lo = al + bl + cl + dl;
- return lo >>> 0;
-};
-exports.sum64_4_lo = sum64_4_lo;
-
-function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
- var carry = 0;
- var lo = al;
- lo = (lo + bl) >>> 0;
- carry += lo < al ? 1 : 0;
- lo = (lo + cl) >>> 0;
- carry += lo < cl ? 1 : 0;
- lo = (lo + dl) >>> 0;
- carry += lo < dl ? 1 : 0;
- lo = (lo + el) >>> 0;
- carry += lo < el ? 1 : 0;
-
- var hi = ah + bh + ch + dh + eh + carry;
- return hi >>> 0;
-};
-exports.sum64_5_hi = sum64_5_hi;
-
-function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
- var lo = al + bl + cl + dl + el;
-
- return lo >>> 0;
-};
-exports.sum64_5_lo = sum64_5_lo;
-
-function rotr64_hi(ah, al, num) {
- var r = (al << (32 - num)) | (ah >>> num);
- return r >>> 0;
-};
-exports.rotr64_hi = rotr64_hi;
-
-function rotr64_lo(ah, al, num) {
- var r = (ah << (32 - num)) | (al >>> num);
- return r >>> 0;
-};
-exports.rotr64_lo = rotr64_lo;
-
-function shr64_hi(ah, al, num) {
- return ah >>> num;
-};
-exports.shr64_hi = shr64_hi;
-
-function shr64_lo(ah, al, num) {
- var r = (ah << (32 - num)) | (al >>> num);
- return r >>> 0;
-};
-exports.shr64_lo = shr64_lo;
-
-},{"inherits":121}],120:[function(require,module,exports){
-'use strict';
-
-var hash = require('hash.js');
-var utils = require('minimalistic-crypto-utils');
-var assert = require('minimalistic-assert');
-
-function HmacDRBG(options) {
- if (!(this instanceof HmacDRBG))
- return new HmacDRBG(options);
- this.hash = options.hash;
- this.predResist = !!options.predResist;
-
- this.outLen = this.hash.outSize;
- this.minEntropy = options.minEntropy || this.hash.hmacStrength;
-
- this._reseed = null;
- this.reseedInterval = null;
- this.K = null;
- this.V = null;
-
- var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex');
- var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex');
- var pers = utils.toArray(options.pers, options.persEnc || 'hex');
- assert(entropy.length >= (this.minEntropy / 8),
- 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
- this._init(entropy, nonce, pers);
-}
-module.exports = HmacDRBG;
-
-HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
- var seed = entropy.concat(nonce).concat(pers);
-
- this.K = new Array(this.outLen / 8);
- this.V = new Array(this.outLen / 8);
- for (var i = 0; i < this.V.length; i++) {
- this.K[i] = 0x00;
- this.V[i] = 0x01;
- }
-
- this._update(seed);
- this._reseed = 1;
- this.reseedInterval = 0x1000000000000; // 2^48
-};
-
-HmacDRBG.prototype._hmac = function hmac() {
- return new hash.hmac(this.hash, this.K);
-};
-
-HmacDRBG.prototype._update = function update(seed) {
- var kmac = this._hmac()
- .update(this.V)
- .update([ 0x00 ]);
- if (seed)
- kmac = kmac.update(seed);
- this.K = kmac.digest();
- this.V = this._hmac().update(this.V).digest();
- if (!seed)
- return;
-
- this.K = this._hmac()
- .update(this.V)
- .update([ 0x01 ])
- .update(seed)
- .digest();
- this.V = this._hmac().update(this.V).digest();
-};
-
-HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
- // Optional entropy enc
- if (typeof entropyEnc !== 'string') {
- addEnc = add;
- add = entropyEnc;
- entropyEnc = null;
- }
-
- entropy = utils.toArray(entropy, entropyEnc);
- add = utils.toArray(add, addEnc);
-
- assert(entropy.length >= (this.minEntropy / 8),
- 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
-
- this._update(entropy.concat(add || []));
- this._reseed = 1;
-};
-
-HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
- if (this._reseed > this.reseedInterval)
- throw new Error('Reseed is required');
-
- // Optional encoding
- if (typeof enc !== 'string') {
- addEnc = add;
- add = enc;
- enc = null;
- }
-
- // Optional additional data
- if (add) {
- add = utils.toArray(add, addEnc || 'hex');
- this._update(add);
- }
-
- var temp = [];
- while (temp.length < len) {
- this.V = this._hmac().update(this.V).digest();
- temp = temp.concat(this.V);
- }
-
- var res = temp.slice(0, len);
- this._update(add);
- this._reseed++;
- return utils.encode(res, enc);
-};
-
-},{"hash.js":114,"minimalistic-assert":123,"minimalistic-crypto-utils":124}],121:[function(require,module,exports){
+},{"buffer":5,"inherits":96,"stream":28}],96:[function(require,module,exports){
arguments[4][9][0].apply(exports,arguments)
-},{"dup":9}],122:[function(require,module,exports){
+},{"dup":9}],97:[function(require,module,exports){
(function (Buffer){
// constant-space merkle root calculation algorithm
module.exports = function fastRoot (values, digestFn) {
@@ -48803,80 +40109,7 @@ module.exports = function fastRoot (values, digestFn) {
}
}).call(this,require("buffer").Buffer)
-},{"buffer":5}],123:[function(require,module,exports){
-module.exports = assert;
-
-function assert(val, msg) {
- if (!val)
- throw new Error(msg || 'Assertion failed');
-}
-
-assert.equal = function assertEqual(l, r, msg) {
- if (l != r)
- throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
-};
-
-},{}],124:[function(require,module,exports){
-'use strict';
-
-var utils = exports;
-
-function toArray(msg, enc) {
- if (Array.isArray(msg))
- return msg.slice();
- if (!msg)
- return [];
- var res = [];
- if (typeof msg !== 'string') {
- for (var i = 0; i < msg.length; i++)
- res[i] = msg[i] | 0;
- return res;
- }
- if (enc === 'hex') {
- msg = msg.replace(/[^a-z0-9]+/ig, '');
- if (msg.length % 2 !== 0)
- msg = '0' + msg;
- for (var i = 0; i < msg.length; i += 2)
- res.push(parseInt(msg[i] + msg[i + 1], 16));
- } else {
- for (var i = 0; i < msg.length; i++) {
- var c = msg.charCodeAt(i);
- var hi = c >> 8;
- var lo = c & 0xff;
- if (hi)
- res.push(hi, lo);
- else
- res.push(lo);
- }
- }
- return res;
-}
-utils.toArray = toArray;
-
-function zero2(word) {
- if (word.length === 1)
- return '0' + word;
- else
- return word;
-}
-utils.zero2 = zero2;
-
-function toHex(msg) {
- var res = '';
- for (var i = 0; i < msg.length; i++)
- res += zero2(msg[i].toString(16));
- return res;
-}
-utils.toHex = toHex;
-
-utils.encode = function encode(arr, enc) {
- if (enc === 'hex')
- return toHex(arr);
- else
- return arr;
-};
-
-},{}],125:[function(require,module,exports){
+},{"buffer":5}],98:[function(require,module,exports){
var OPS = require('bitcoin-ops')
function encodingLength (i) {
@@ -48955,12 +40188,12 @@ module.exports = {
decode: decode
}
-},{"bitcoin-ops":42}],126:[function(require,module,exports){
+},{"bitcoin-ops":42}],99:[function(require,module,exports){
(function (process,global){
'use strict'
function oldBrowser () {
- throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+ throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11')
}
var Buffer = require('safe-buffer').Buffer
@@ -48997,7 +40230,7 @@ function randomBytes (size, cb) {
}
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"_process":13,"safe-buffer":128}],127:[function(require,module,exports){
+},{"_process":13,"safe-buffer":101}],100:[function(require,module,exports){
(function (Buffer){
'use strict'
var inherits = require('inherits')
@@ -49292,7 +40525,7 @@ function fn5 (a, b, c, d, e, m, k, s) {
module.exports = RIPEMD160
}).call(this,require("buffer").Buffer)
-},{"buffer":5,"hash-base":113,"inherits":121}],128:[function(require,module,exports){
+},{"buffer":5,"hash-base":95,"inherits":96}],101:[function(require,module,exports){
/* eslint-disable node/no-deprecated-api */
var buffer = require('buffer')
var Buffer = buffer.Buffer
@@ -49356,7 +40589,7 @@ SafeBuffer.allocUnsafeSlow = function (size) {
return buffer.SlowBuffer(size)
}
-},{"buffer":5}],129:[function(require,module,exports){
+},{"buffer":5}],102:[function(require,module,exports){
var Buffer = require('safe-buffer').Buffer
// prototype class for hash functions
@@ -49420,7 +40653,7 @@ Hash.prototype.digest = function (enc) {
// uint64
} else {
- var lowBits = bits & 0xffffffff
+ var lowBits = (bits & 0xffffffff) >>> 0
var highBits = (bits - lowBits) / 0x100000000
this._block.writeUInt32BE(highBits, this._blockSize - 8)
@@ -49439,7 +40672,7 @@ Hash.prototype._update = function () {
module.exports = Hash
-},{"safe-buffer":128}],130:[function(require,module,exports){
+},{"safe-buffer":101}],103:[function(require,module,exports){
var exports = module.exports = function SHA (algorithm) {
algorithm = algorithm.toLowerCase()
@@ -49456,7 +40689,7 @@ exports.sha256 = require('./sha256')
exports.sha384 = require('./sha384')
exports.sha512 = require('./sha512')
-},{"./sha":131,"./sha1":132,"./sha224":133,"./sha256":134,"./sha384":135,"./sha512":136}],131:[function(require,module,exports){
+},{"./sha":104,"./sha1":105,"./sha224":106,"./sha256":107,"./sha384":108,"./sha512":109}],104:[function(require,module,exports){
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
* in FIPS PUB 180-1
@@ -49552,7 +40785,7 @@ Sha.prototype._hash = function () {
module.exports = Sha
-},{"./hash":129,"inherits":121,"safe-buffer":128}],132:[function(require,module,exports){
+},{"./hash":102,"inherits":96,"safe-buffer":101}],105:[function(require,module,exports){
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
@@ -49653,7 +40886,7 @@ Sha1.prototype._hash = function () {
module.exports = Sha1
-},{"./hash":129,"inherits":121,"safe-buffer":128}],133:[function(require,module,exports){
+},{"./hash":102,"inherits":96,"safe-buffer":101}],106:[function(require,module,exports){
/**
* A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
* in FIPS 180-2
@@ -49708,7 +40941,7 @@ Sha224.prototype._hash = function () {
module.exports = Sha224
-},{"./hash":129,"./sha256":134,"inherits":121,"safe-buffer":128}],134:[function(require,module,exports){
+},{"./hash":102,"./sha256":107,"inherits":96,"safe-buffer":101}],107:[function(require,module,exports){
/**
* A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
* in FIPS 180-2
@@ -49845,7 +41078,7 @@ Sha256.prototype._hash = function () {
module.exports = Sha256
-},{"./hash":129,"inherits":121,"safe-buffer":128}],135:[function(require,module,exports){
+},{"./hash":102,"inherits":96,"safe-buffer":101}],108:[function(require,module,exports){
var inherits = require('inherits')
var SHA512 = require('./sha512')
var Hash = require('./hash')
@@ -49904,7 +41137,7 @@ Sha384.prototype._hash = function () {
module.exports = Sha384
-},{"./hash":129,"./sha512":136,"inherits":121,"safe-buffer":128}],136:[function(require,module,exports){
+},{"./hash":102,"./sha512":109,"inherits":96,"safe-buffer":101}],109:[function(require,module,exports){
var inherits = require('inherits')
var Hash = require('./hash')
var Buffer = require('safe-buffer').Buffer
@@ -50166,7 +41399,7 @@ Sha512.prototype._hash = function () {
module.exports = Sha512
-},{"./hash":129,"inherits":121,"safe-buffer":128}],137:[function(require,module,exports){
+},{"./hash":102,"inherits":96,"safe-buffer":101}],110:[function(require,module,exports){
var native = require('./native')
function getTypeName (fn) {
@@ -50272,7 +41505,7 @@ module.exports = {
getValueTypeName: getValueTypeName
}
-},{"./native":140}],138:[function(require,module,exports){
+},{"./native":113}],111:[function(require,module,exports){
(function (Buffer){
var NATIVE = require('./native')
var ERRORS = require('./errors')
@@ -50348,7 +41581,7 @@ for (var typeName in types) {
module.exports = types
}).call(this,{"isBuffer":require("../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js")})
-},{"../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"./errors":137,"./native":140}],139:[function(require,module,exports){
+},{"../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":10,"./errors":110,"./native":113}],112:[function(require,module,exports){
var ERRORS = require('./errors')
var NATIVE = require('./native')
@@ -50588,7 +41821,7 @@ typeforce.TfPropertyTypeError = TfPropertyTypeError
module.exports = typeforce
-},{"./errors":137,"./extra":138,"./native":140}],140:[function(require,module,exports){
+},{"./errors":110,"./extra":111,"./native":113}],113:[function(require,module,exports){
var types = {
Array: function (value) { return value !== null && value !== undefined && value.constructor === Array },
Boolean: function (value) { return typeof value === 'boolean' },
@@ -50611,9 +41844,9 @@ for (var typeName in types) {
module.exports = types
-},{}],141:[function(require,module,exports){
-(function (Buffer){
+},{}],114:[function(require,module,exports){
'use strict'
+var Buffer = require('safe-buffer').Buffer
// Number.MAX_SAFE_INTEGER
var MAX_SAFE_INTEGER = 9007199254740991
@@ -50625,7 +41858,7 @@ function checkUInt53 (n) {
function encode (number, buffer, offset) {
checkUInt53(number)
- if (!buffer) buffer = new Buffer(encodingLength(number))
+ if (!buffer) buffer = Buffer.allocUnsafe(encodingLength(number))
if (!Buffer.isBuffer(buffer)) throw new TypeError('buffer must be a Buffer instance')
if (!offset) offset = 0
@@ -50703,8 +41936,7 @@ function encodingLength (number) {
module.exports = { encode: encode, decode: decode, encodingLength: encodingLength }
-}).call(this,require("buffer").Buffer)
-},{"buffer":5}],142:[function(require,module,exports){
+},{"safe-buffer":101}],115:[function(require,module,exports){
(function (Buffer){
var bs58check = require('bs58check')
@@ -50771,7 +42003,7 @@ module.exports = {
}
}).call(this,require("buffer").Buffer)
-},{"bs58check":85,"buffer":5}]},{},[34])(34)
+},{"bs58check":83,"buffer":5}]},{},[34])(34)
});