diff options
-rw-r--r-- | bip39-standalone.html | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/bip39-standalone.html b/bip39-standalone.html index ca18ea8..2888d03 100644 --- a/bip39-standalone.html +++ b/bip39-standalone.html | |||
@@ -522,6 +522,14 @@ | |||
522 | </span> | 522 | </span> |
523 | </p> | 523 | </p> |
524 | <p> | 524 | <p> |
525 | <strong><span data-translate>Do not store entropy.</span></strong> | ||
526 | </p> | ||
527 | <p> | ||
528 | <span data-translate>Storing entropy (such as keeping a deck of cards in a specific shuffled order) is unreliable compared to storing a mnemonic.</span> | ||
529 | <span data-translate>Instead of storing entropy, store the mnemonic generated from the entropy.</span> | ||
530 | <span data-translate-html><a href="https://en.wikipedia.org/wiki/Steganography#Physical" target="_blank">Steganography</a> may be beneficial when storing the mnemonic.</span> | ||
531 | </p> | ||
532 | <p> | ||
525 | <span data-translate-html> | 533 | <span data-translate-html> |
526 | The random mnemonic generator on this page uses a | 534 | The random mnemonic generator on this page uses a |
527 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues" target="_blank">cryptographically secure random number generator</a>. | 535 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues" target="_blank">cryptographically secure random number generator</a>. |
@@ -18584,15 +18592,12 @@ window.Entropy = new (function() { | |||
18584 | // Create a normalized string of the selected cards | 18592 | // Create a normalized string of the selected cards |
18585 | var normalizedCards = cards.join("").toUpperCase(); | 18593 | var normalizedCards = cards.join("").toUpperCase(); |
18586 | // Convert to binary using the SHA256 hash of the normalized cards. | 18594 | // Convert to binary using the SHA256 hash of the normalized cards. |
18587 | // If the number of bits is more than 256, multiple rounds of hashing | 18595 | // If the number of bits is more than 256, multiple hashes |
18588 | // are used until the required number of bits is reached. | 18596 | // are used until the required number of bits is reached. |
18589 | var entropyBin = ""; | 18597 | var entropyBin = ""; |
18590 | var iterations = 0; | 18598 | var iterations = 0; |
18591 | while (entropyBin.length < numberOfBits) { | 18599 | while (entropyBin.length < numberOfBits) { |
18592 | var hashedCards = sjcl.hash.sha256.hash(normalizedCards); | 18600 | var hashedCards = sjcl.hash.sha256.hash(normalizedCards + ":" + iterations); |
18593 | for (var j=0; j<iterations; j++) { | ||
18594 | hashedCards = sjcl.hash.sha256.hash(hashedCards); | ||
18595 | } | ||
18596 | var hashHex = sjcl.codec.hex.fromBits(hashedCards); | 18601 | var hashHex = sjcl.codec.hex.fromBits(hashedCards); |
18597 | for (var i=0; i<hashHex.length; i++) { | 18602 | for (var i=0; i<hashHex.length; i++) { |
18598 | var decimal = parseInt(hashHex[i], 16); | 18603 | var decimal = parseInt(hashHex[i], 16); |