Version complète: jsB@nk » Sécurité » Encryption » MD5 (Message-Digest Algorithm)
URL: https://www.javascriptbank.com/md5-message-digest-algorithm.html
Ce script est utilisé pour le traitement d'une longueur variable, dans un message de longueur fixe de sortie de 128 bits en utilisant le MD5 algorithme. Elle est entièrement compatible avec l'encodage UTF-8. Il est très utile lorsque vous voulez transférer des mots de passe cryptés sur Internet.
Version complète: jsB@nk » Sécurité » Encryption » MD5 (Message-Digest Algorithm)
URL: https://www.javascriptbank.com/md5-message-digest-algorithm.html
<script type="text/javascript">// Created by: Justas | http://www.webtoolkit.info/var MD5 = function (string) { function RotateLeft(lValue, iShiftBits) { return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); } function AddUnsigned(lX,lY) { var lX4,lY4,lX8,lY8,lResult; lX8 = (lX & 0x80000000); lY8 = (lY & 0x80000000); lX4 = (lX & 0x40000000); lY4 = (lY & 0x40000000); lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); if (lX4 & lY4) { return (lResult ^ 0x80000000 ^ lX8 ^ lY8); } if (lX4 | lY4) { if (lResult & 0x40000000) { return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); } else { return (lResult ^ 0x40000000 ^ lX8 ^ lY8); } } else { return (lResult ^ lX8 ^ lY8); } } function F(x,y,z) { return (x & y) | ((~x) & z); } function G(x,y,z) { return (x & z) | (y & (~z)); } function H(x,y,z) { return (x ^ y ^ z); } function I(x,y,z) { return (y ^ (x | (~z))); } function FF(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); }; function GG(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); }; function HH(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); }; function II(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); }; function ConvertToWordArray(string) { var lWordCount; var lMessageLength = string.length; var lNumberOfWords_temp1=lMessageLength + 8; var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64; var lNumberOfWords = (lNumberOfWords_temp2+1)*16; var lWordArray=Array(lNumberOfWords-1); var lBytePosition = 0; var lByteCount = 0; while ( lByteCount < lMessageLength ) { lWordCount = (lByteCount-(lByteCount % 4))/4; lBytePosition = (lByteCount % 4)*8; lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition)); lByteCount++; } lWordCount = (lByteCount-(lByteCount % 4))/4; lBytePosition = (lByteCount % 4)*8; lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition); lWordArray[lNumberOfWords-2] = lMessageLength<<3; lWordArray[lNumberOfWords-1] = lMessageLength>>>29; return lWordArray; }; function WordToHex(lValue) { var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; for (lCount = 0;lCount<=3;lCount++) { lByte = (lValue>>>(lCount*8)) & 255; WordToHexValue_temp = "0" + lByte.toString(16); WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); } return WordToHexValue; }; function Utf8Encode(string) { string = string.replace(/rn/g,"n"); var utftext = ""; for (var n = 0; n < string.length; n++) { var c = string.charCodeAt(n); if (c < 128) { utftext += String.fromCharCode(c); } else if((c > 127) && (c < 2048)) { utftext += String.fromCharCode((c >> 6) | 192); utftext += String.fromCharCode((c & 63) | 128); } else { utftext += String.fromCharCode((c >> 12) | 224); utftext += String.fromCharCode(((c >> 6) & 63) | 128); utftext += String.fromCharCode((c & 63) | 128); } } return utftext; }; var x=Array(); var k,AA,BB,CC,DD,a,b,c,d; var S11=7, S12=12, S13=17, S14=22; var S21=5, S22=9 , S23=14, S24=20; var S31=4, S32=11, S33=16, S34=23; var S41=6, S42=10, S43=15, S44=21; string = Utf8Encode(string); x = ConvertToWordArray(string); a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; for (k=0;k<x.length;k+=16) { AA=a; BB=b; CC=c; DD=d; a=FF(a,b,c,d,x[k+0], S11,0xD76AA478); d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756); c=FF(c,d,a,b,x[k+2], S13,0x242070DB); b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE); a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF); d=FF(d,a,b,c,x[k+5], S12,0x4787C62A); c=FF(c,d,a,b,x[k+6], S13,0xA8304613); b=FF(b,c,d,a,x[k+7], S14,0xFD469501); a=FF(a,b,c,d,x[k+8], S11,0x698098D8); d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF); c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); a=FF(a,b,c,d,x[k+12],S11,0x6B901122); d=FF(d,a,b,c,x[k+13],S12,0xFD987193); c=FF(c,d,a,b,x[k+14],S13,0xA679438E); b=FF(b,c,d,a,x[k+15],S14,0x49B40821); a=GG(a,b,c,d,x[k+1], S21,0xF61E2562); d=GG(d,a,b,c,x[k+6], S22,0xC040B340); c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA); a=GG(a,b,c,d,x[k+5], S21,0xD62F105D); d=GG(d,a,b,c,x[k+10],S22,0x2441453); c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8); a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6); d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87); b=GG(b,c,d,a,x[k+8], S24,0x455A14ED); a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8); c=GG(c,d,a,b,x[k+7], S23,0x676F02D9); b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942); d=HH(d,a,b,c,x[k+8], S32,0x8771F681); c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44); d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9); c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60); b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA); c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085); b=HH(b,c,d,a,x[k+6], S34,0x4881D05); a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039); d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665); a=II(a,b,c,d,x[k+0], S41,0xF4292244); d=II(d,a,b,c,x[k+7], S42,0x432AFF97); c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); b=II(b,c,d,a,x[k+5], S44,0xFC93A039); a=II(a,b,c,d,x[k+12],S41,0x655B59C3); d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92); c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); b=II(b,c,d,a,x[k+1], S44,0x85845DD1); a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F); d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); c=II(c,d,a,b,x[k+6], S43,0xA3014314); b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); a=II(a,b,c,d,x[k+4], S41,0xF7537E82); d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB); b=II(b,c,d,a,x[k+9], S44,0xEB86D391); a=AddUnsigned(a,AA); b=AddUnsigned(b,BB); c=AddUnsigned(c,CC); d=AddUnsigned(d,DD); } var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); return temp.toLowerCase();}</script><code>MD5('www.JavaScriptBank.com') : <script type="text/javascript">document.write( MD5('www.JavaScriptBank.com') );</script></code>