security-and-privacy/CanvasBlocker
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Corrected md5 hashing

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This commit is contained in:
kkapsner 2018-06-30 23:02:31 +02:00
parent 9f38703e84
commit 8472e877a4
1 changed files with 3 additions and 4 deletions
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7
lib/hash.js
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@ -83,12 +83,11 @@
// append 10...000000 // append 10...000000
messageByteArray[length] = 0x80; messageByteArray[length] = 0x80;
// append size in 64 bit big endian // append size in 64 bit big endian
view.setUint32(neededLength - 4, messageBitLength, false); view.setUint32(neededLength - 8, messageBitLength, true);
for (var i = 0; i < neededLength; i += 64){ for (var i = 0; i < neededLength; i += 64){
var w = new Array(16);
for (let j = 0; j < 64; j += 4){ for (let j = 0; j < 64; j += 4){
w[j / 4] = view.getUint32(j, false); w[j / 4] = view.getUint32(i + j, true);
} }
temp.set(h); temp.set(h);
@ -124,7 +123,7 @@
const hash = new Uint8Array(16); const hash = new Uint8Array(16);
const hashView = new DataView(hash.buffer); const hashView = new DataView(hash.buffer);
for (let j = 0; j < 4; j += 1){ for (let j = 0; j < 4; j += 1){
hashView.setUint32(j * 4, h[j], false); hashView.setUint32(j * 4, h[j], true);
} }
return hash; return hash;
}; };