security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Added hashCode

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This commit is contained in:
kkapsner 2018-06-30 23:06:20 +02:00
parent 8472e877a4
commit d580c35898
1 changed files with 14 additions and 0 deletions
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14
lib/hash.js
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@ -34,6 +34,17 @@
return hash;
};
scope.hashCode = function(inputByteArray){
var hash = new Uint32Array(1);
var intView = new Uint32Array(inputByteArray.buffer);
var length = intView.length;
for (let i = 0; i < length; i += 1){
var v = hash[0];
hash[0] = ((v << 5) - v) + intView[i];
}
return hash;
};
scope.md5 = function(){
function leftRotate(v, rotate){
return v << rotate | v >>> (32 - rotate);
@ -222,4 +233,7 @@
scope.sumXorString = function(byteArray){
return scope.byteArrayToString(scope.sumXor(byteArray));
};
scope.hashCodeString = function(byteArray){
return String.fromCharCode(scope.hashCode(byteArray)[0]);
};
}());