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Warn when using weak entropy and strong mnemonic

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This commit is contained in:
Ian Coleman
2018-04-12 12:16:05 +10:00
parent 85c906727a
commit 645945a00f
3 changed files with 49 additions and 0 deletions
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src/js/index.js
+12
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@@ -40,6 +40,7 @@
DOM.entropyWordIndexes = DOM.entropyContainer.find(".word-indexes");
DOM.entropyChecksum = DOM.entropyContainer.find(".checksum");
DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length");
DOM.entropyWeakEntropyOverrideWarning = DOM.entropyContainer.find(".weak-entropy-override-warning");
DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
DOM.phrase = $(".phrase");
DOM.passphrase = $(".passphrase");
@@ -1190,6 +1191,17 @@
mnemonicLength = parseInt(mnemonicLength);
var numberOfBits = 32 * mnemonicLength / 3;
bits = bits.substring(0, numberOfBits);
// show warning for weak entropy override
if (mnemonicLength / 3 * 32 > entropy.binaryStr.length) {
DOM.entropyWeakEntropyOverrideWarning.removeClass("hidden");
}
else {
DOM.entropyWeakEntropyOverrideWarning.addClass("hidden");
}
}
else {
// hide warning for weak entropy override
DOM.entropyWeakEntropyOverrideWarning.addClass("hidden");
}
// Discard trailing entropy
var bitsToUse = Math.floor(bits.length / 32) * 32;