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Improves secret key encryption/decryption performance by 35%

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Mahrud Sayrafi 2018-01-29 12:14:02 -08:00 committed by Sanjana Rajan
parent bf00fbd3ea
commit be2c605e5b
1 changed files with 4 additions and 8 deletions
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12
src/type/s2k.js
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@ -156,15 +156,11 @@ S2K.prototype.produce_key = function (passphrase, numBytes) {
util.concatUint8Array([prefix, s2k.salt, passphrase])); util.concatUint8Array([prefix, s2k.salt, passphrase]));
case 'iterated': case 'iterated':
var isp = [], var count = s2k.get_count(),
count = s2k.get_count(), data = util.concatUint8Array([s2k.salt,passphrase]),
data = util.concatUint8Array([s2k.salt,passphrase]); isp = new Array(Math.ceil(count / data.length));
while (isp.length * data.length < count) { isp = util.concatUint8Array(isp.fill(data));
isp.push(data);
}
isp = util.concatUint8Array(isp);
if (isp.length > count) { if (isp.length > count) {
isp = isp.subarray(0, count); isp = isp.subarray(0, count);