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MediaWiki:Md5.js - Revision history
2026-10-29T17:01:11Z
Revision history for this page on the wiki
MediaWiki 1.30.0
http://wiki.geodynamics.umaine.edu/index.php?title=MediaWiki:Md5.js&diff=4860&oldid=prev
Nick: Created page with "var MD5 = function (string) { function RotateLeft(lValue, iShiftBits) { return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); } function AddUnsigned(..."
2019-02-21T00:27:25Z
<p>Created page with "var MD5 = function (string) { function RotateLeft(lValue, iShiftBits) { return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); } function AddUnsigned(..."</p>
<p><b>New page</b></p><div>var MD5 = function (string) {<br />
<br />
function RotateLeft(lValue, iShiftBits) {<br />
return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));<br />
}<br />
<br />
function AddUnsigned(lX,lY) {<br />
var lX4,lY4,lX8,lY8,lResult;<br />
lX8 = (lX & 0x80000000);<br />
lY8 = (lY & 0x80000000);<br />
lX4 = (lX & 0x40000000);<br />
lY4 = (lY & 0x40000000);<br />
lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);<br />
if (lX4 & lY4) {<br />
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);<br />
}<br />
if (lX4 | lY4) {<br />
if (lResult & 0x40000000) {<br />
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);<br />
} else {<br />
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);<br />
}<br />
} else {<br />
return (lResult ^ lX8 ^ lY8);<br />
}<br />
}<br />
<br />
function F(x,y,z) { return (x & y) | ((~x) & z); }<br />
function G(x,y,z) { return (x & z) | (y & (~z)); }<br />
function H(x,y,z) { return (x ^ y ^ z); }<br />
function I(x,y,z) { return (y ^ (x | (~z))); }<br />
<br />
function FF(a,b,c,d,x,s,ac) {<br />
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));<br />
return AddUnsigned(RotateLeft(a, s), b);<br />
};<br />
<br />
function GG(a,b,c,d,x,s,ac) {<br />
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));<br />
return AddUnsigned(RotateLeft(a, s), b);<br />
};<br />
<br />
function HH(a,b,c,d,x,s,ac) {<br />
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));<br />
return AddUnsigned(RotateLeft(a, s), b);<br />
};<br />
<br />
function II(a,b,c,d,x,s,ac) {<br />
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));<br />
return AddUnsigned(RotateLeft(a, s), b);<br />
};<br />
<br />
function ConvertToWordArray(string) {<br />
var lWordCount;<br />
var lMessageLength = string.length;<br />
var lNumberOfWords_temp1=lMessageLength + 8;<br />
var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;<br />
var lNumberOfWords = (lNumberOfWords_temp2+1)*16;<br />
var lWordArray=Array(lNumberOfWords-1);<br />
var lBytePosition = 0;<br />
var lByteCount = 0;<br />
while ( lByteCount < lMessageLength ) {<br />
lWordCount = (lByteCount-(lByteCount % 4))/4;<br />
lBytePosition = (lByteCount % 4)*8;<br />
lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));<br />
lByteCount++;<br />
}<br />
lWordCount = (lByteCount-(lByteCount % 4))/4;<br />
lBytePosition = (lByteCount % 4)*8;<br />
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);<br />
lWordArray[lNumberOfWords-2] = lMessageLength<<3;<br />
lWordArray[lNumberOfWords-1] = lMessageLength>>>29;<br />
return lWordArray;<br />
};<br />
<br />
function WordToHex(lValue) {<br />
var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;<br />
for (lCount = 0;lCount<=3;lCount++) {<br />
lByte = (lValue>>>(lCount*8)) & 255;<br />
WordToHexValue_temp = "0" + lByte.toString(16);<br />
WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);<br />
}<br />
return WordToHexValue;<br />
};<br />
<br />
function Utf8Encode(string) {<br />
string = string.replace(/\r\n/g,"\n");<br />
var utftext = "";<br />
<br />
for (var n = 0; n < string.length; n++) {<br />
<br />
var c = string.charCodeAt(n);<br />
<br />
if (c < 128) {<br />
utftext += String.fromCharCode(c);<br />
}<br />
else if((c > 127) && (c < 2048)) {<br />
utftext += String.fromCharCode((c >> 6) | 192);<br />
utftext += String.fromCharCode((c & 63) | 128);<br />
}<br />
else {<br />
utftext += String.fromCharCode((c >> 12) | 224);<br />
utftext += String.fromCharCode(((c >> 6) & 63) | 128);<br />
utftext += String.fromCharCode((c & 63) | 128);<br />
}<br />
<br />
}<br />
<br />
return utftext;<br />
};<br />
<br />
var x=Array();<br />
var k,AA,BB,CC,DD,a,b,c,d;<br />
var S11=7, S12=12, S13=17, S14=22;<br />
var S21=5, S22=9 , S23=14, S24=20;<br />
var S31=4, S32=11, S33=16, S34=23;<br />
var S41=6, S42=10, S43=15, S44=21;<br />
<br />
string = Utf8Encode(string);<br />
<br />
x = ConvertToWordArray(string);<br />
<br />
a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;<br />
<br />
for (k=0;k<x.length;k+=16) {<br />
AA=a; BB=b; CC=c; DD=d;<br />
a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);<br />
d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);<br />
c=FF(c,d,a,b,x[k+2], S13,0x242070DB);<br />
b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);<br />
a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);<br />
d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);<br />
c=FF(c,d,a,b,x[k+6], S13,0xA8304613);<br />
b=FF(b,c,d,a,x[k+7], S14,0xFD469501);<br />
a=FF(a,b,c,d,x[k+8], S11,0x698098D8);<br />
d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);<br />
c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);<br />
b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);<br />
a=FF(a,b,c,d,x[k+12],S11,0x6B901122);<br />
d=FF(d,a,b,c,x[k+13],S12,0xFD987193);<br />
c=FF(c,d,a,b,x[k+14],S13,0xA679438E);<br />
b=FF(b,c,d,a,x[k+15],S14,0x49B40821);<br />
a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);<br />
d=GG(d,a,b,c,x[k+6], S22,0xC040B340);<br />
c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);<br />
b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);<br />
a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);<br />
d=GG(d,a,b,c,x[k+10],S22,0x2441453);<br />
c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);<br />
b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);<br />
a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);<br />
d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);<br />
c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);<br />
b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);<br />
a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);<br />
d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);<br />
c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);<br />
b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);<br />
a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);<br />
d=HH(d,a,b,c,x[k+8], S32,0x8771F681);<br />
c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);<br />
b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);<br />
a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);<br />
d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);<br />
c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);<br />
b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);<br />
a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);<br />
d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);<br />
c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);<br />
b=HH(b,c,d,a,x[k+6], S34,0x4881D05);<br />
a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);<br />
d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);<br />
c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);<br />
b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);<br />
a=II(a,b,c,d,x[k+0], S41,0xF4292244);<br />
d=II(d,a,b,c,x[k+7], S42,0x432AFF97);<br />
c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);<br />
b=II(b,c,d,a,x[k+5], S44,0xFC93A039);<br />
a=II(a,b,c,d,x[k+12],S41,0x655B59C3);<br />
d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);<br />
c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);<br />
b=II(b,c,d,a,x[k+1], S44,0x85845DD1);<br />
a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);<br />
d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);<br />
c=II(c,d,a,b,x[k+6], S43,0xA3014314);<br />
b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);<br />
a=II(a,b,c,d,x[k+4], S41,0xF7537E82);<br />
d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);<br />
c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);<br />
b=II(b,c,d,a,x[k+9], S44,0xEB86D391);<br />
a=AddUnsigned(a,AA);<br />
b=AddUnsigned(b,BB);<br />
c=AddUnsigned(c,CC);<br />
d=AddUnsigned(d,DD);<br />
}<br />
<br />
var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);<br />
<br />
return temp.toLowerCase();<br />
}</div>
Nick