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Реализация MD5 на 1С | ☑ | ||
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0
Sj
30.08.06
✎
11:02
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А кто-нибудь видел реализацию алгоритма MD5 на языке 1С? Или это миф придуманный молодыми пьяными программистами?
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1
Rom_Kat
30.08.06
✎
11:03
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че за алгоритм?:)
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2
zxcvb
30.08.06
✎
11:04
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3
smaharbA
30.08.06
✎
11:06
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(0) хочешь хеши получать ?
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4
Sj
30.08.06
✎
11:09
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ну это не основная цель. мне нужно генерить новый пароль в зависимости от текущей даты
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5
Sj
30.08.06
✎
11:10
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например
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6
Морозов Александр
30.08.06
✎
11:14
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а чего паролить собрался?... шифровать вернее?
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7
Sj
30.08.06
✎
11:15
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например 29.08.2006
возвращает мне ABC2C7D0BFA7BE6C35ECC7D3C15F391F а 30.08.2006 4EAA17BEBDCE631312FF11093B10434E что весьма и весьма то, что надо! |
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8
Sj
30.08.06
✎
11:18
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паролить изменение константы
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9
Морозов Александр
30.08.06
✎
11:24
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с тебя 10 баксов
http://1c.proclub.ru/modules/mydownloads/personal.php?cid=5&lid=5287 |
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10
GrayT
30.08.06
✎
11:34
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МД5 это только для кэш-кода или он и шифровать/вешифровать могет?
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11
romix
модератор
30.08.06
✎
11:45
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Моя разработка (с исходником Delphi 6):
http://x-romix.narod.ru#Events (10) Только хеш. Для шифровки есть другие алгоритмы, например, RC6. |
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12
Злобный
30.08.06
✎
11:48
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для можно например так :)
Функция MD5(КодируемаяСтрока, Хэш) ЗначениеВозврата = Истина; Попытка //http://pajhome.org.uk/crypt/md5/index.html ScrptCtrl = Новый COMОбъект("MSScriptControl.ScriptControl"); ScrptCtrl.Language = "JScript"; ScrptCtrl.AddCode(" |/* | * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message | * Digest Algorithm, as defined in RFC 1321. | * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002. | * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet | * Distributed under the BSD License | * See http://pajhome.org.uk/crypt/md5 for more info. | */ | |/* | * Configurable variables. You may need to tweak these to be compatible with | * the server-side, but the defaults work in most cases. | */ |var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */ |var b64pad = """"; /* base-64 pad character. ""="" for strict RFC compliance */ |var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */ | |/* | * These are the functions you'll usually want to call | * They take string arguments and return either hex or base-64 encoded strings | */ |function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));} |function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));} |function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));} |function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); } |function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); } |function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); } | |/* | * Perform a simple self-test to see if the VM is working | */ |function md5_vm_test() |{ | return hex_md5(""abc"") == ""900150983cd24fb0d6963f7d28e17f72""; |} | |/* | * Calculate the MD5 of an array of little-endian words, and a bit length | */ |function core_md5(x, len) |{ | /* append padding */ | x[len >> 5] |= 0x80 << ((len) % 32); | x[(((len + 64) >>> 9) << 4) + 14] = len; | | var a = 1732584193; | var b = -271733879; | var c = -1732584194; | var d = 271733878; | | for(var i = 0; i < x.length; i += 16) | { | var olda = a; | var oldb = b; | var oldc = c; | var oldd = d; | | a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); | d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); | c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); | b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); | a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); | d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); | c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); | b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); | a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); | d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); | c = md5_ff(c, d, a, b, x[i+10], 17, -42063); | b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); | a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); | d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); | c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); | b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); | | a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); | d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); | c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); | b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); | a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); | d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); | c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); | b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); | a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); | d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); | c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); | b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); | a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); | d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); | c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); | b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); | | a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); | d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); | c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); | b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); | a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); | d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); | c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); | b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); | a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); | d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); | c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); | b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); | a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); | d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); | c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); | b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); | | a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); | d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); | c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); | b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); | a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); | d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); | c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); | b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); | a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); | d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); | c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); | b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); | a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); | d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); | c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); | b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); | | a = safe_add(a, olda); | b = safe_add(b, oldb); | c = safe_add(c, oldc); | d = safe_add(d, oldd); | } | return Array(a, b, c, d); | |} | |/* | * These functions implement the four basic operations the algorithm uses. | */ |function md5_cmn(q, a, b, x, s, t) |{ | return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); |} |function md5_ff(a, b, c, d, x, s, t) |{ | return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); |} |function md5_gg(a, b, c, d, x, s, t) |{ | return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); |} |function md5_hh(a, b, c, d, x, s, t) |{ | return md5_cmn(b ^ c ^ d, a, b, x, s, t); |} |function md5_ii(a, b, c, d, x, s, t) |{ | return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); |} | |/* | * Calculate the HMAC-MD5, of a key and some data | */ |function core_hmac_md5(key, data) |{ | var bkey = str2binl(key); | if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); | | var ipad = Array(16), opad = Array(16); | for(var i = 0; i < 16; i++) | { | ipad[i] = bkey[i] ^ 0x36363636; | opad[i] = bkey[i] ^ 0x5C5C5C5C; | } | | var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); | return core_md5(opad.concat(hash), 512 + 128); |} | |/* | * Add integers, wrapping at 2^32. This uses 16-bit operations internally | * to work around bugs in some JS interpreters. | */ |function safe_add(x, y) |{ | var lsw = (x & 0xFFFF) + (y & 0xFFFF); | var msw = (x >> 16) + (y >> 16) + (lsw >> 16); | return (msw << 16) | (lsw & 0xFFFF); |} | |/* | * Bitwise rotate a 32-bit number to the left. | */ |function bit_rol(num, cnt) |{ | return (num << cnt) | (num >>> (32 - cnt)); |} | |/* | * Convert a string to an array of little-endian words | * If chrsz is ASCII, characters >255 have their hi-byte silently ignored. | */ |function str2binl(str) |{ | var bin = Array(); | var mask = (1 << chrsz) - 1; | for(var i = 0; i < str.length * chrsz; i += chrsz) | bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); | return bin; |} | |/* | * Convert an array of little-endian words to a string | */ |function binl2str(bin) |{ | var str = """"; | var mask = (1 << chrsz) - 1; | for(var i = 0; i < bin.length * 32; i += chrsz) | str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask); | return str; |} | |/* | * Convert an array of little-endian words to a hex string. | */ |function binl2hex(binarray) |{ | var hex_tab = hexcase ? ""0123456789ABCDEF"" : ""0123456789abcdef""; | var str = """"; | for(var i = 0; i < binarray.length * 4; i++) | { | str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + | hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); | } | return str; |} | |/* | * Convert an array of little-endian words to a base-64 string | */ |function binl2b64(binarray) |{ | var tab = ""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/""; | var str = """"; | for(var i = 0; i < binarray.length * 4; i += 3) | { | var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) | | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) | | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); | for(var j = 0; j < 4; j++) | { | if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; | else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); | } | } | return str; |} |"); Хэш = ""; Хэш = ScrptCtrl.Run("hex_md5", КодируемаяСтрока); Исключение ЗначениеВозврата = Ложь; Сообщить(ОписаниеОшибки(), СтатусСообщения.ОченьВажное); КонецПопытки; ScrptCtrl = ""; Возврат ЗначениеВозврата; КонецФункции // MD5() |
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13
Sj
30.08.06
✎
13:07
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Ух! Спасибища в две тонны!!!!
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14
Рупор2
30.08.06
✎
13:21
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Третья тонна:
<script> /* Javascript implementation of the RSA Data Security, Inc. MD5 * Message-Digest Algorithm. * * Copyright (c) 1996 Henri Torgemane. All Rights Reserved. * * Permission to use, copy, modify, and distribute this software * and its documentation for any purposes and without * fee is hereby granted provided that this copyright notice * appears in all copies. */ function array(n) { for(i=0;i<n;i++) this[i]=0; this.length=n; } /* Some basic logical functions had to be rewritten because of a bug in * Javascript.. Just try to compute 0xffffffff >> 4 with it.. * Of course, these functions are slower than the original would be, but * at least, they work! */ function integer(n) { return n%(0xffffffff+1); } function shr(a,b) { a=integer(a); b=integer(b); if (a-0x80000000>=0) { a=a%0x80000000; a>>=b; a+=0x40000000>>(b-1); } else a>>=b; return a; } function shl1(a) { a=a%0x80000000; if (a&0x40000000==0x40000000) { a-=0x40000000; a*=2; a+=0x80000000; } else a*=2; return a; } function shl(a,b) { a=integer(a); b=integer(b); for (var i=0;i<b;i++) a=shl1(a); return a; } function and(a,b) { a=integer(a); b=integer(b); var t1=(a-0x80000000); var t2=(b-0x80000000); if (t1>=0) if (t2>=0) return ((t1&t2)+0x80000000); else return (t1&b); else if (t2>=0) return (a&t2); else return (a&b); } function or(a,b) { a=integer(a); b=integer(b); var t1=(a-0x80000000); var t2=(b-0x80000000); if (t1>=0) if (t2>=0) return ((t1|t2)+0x80000000); else return ((t1|b)+0x80000000); else if (t2>=0) return ((a|t2)+0x80000000); else return (a|b); } function xor(a,b) { a=integer(a); b=integer(b); var t1=(a-0x80000000); var t2=(b-0x80000000); if (t1>=0) if (t2>=0) return (t1^t2); else return ((t1^b)+0x80000000); else if (t2>=0) return ((a^t2)+0x80000000); else return (a^b); } function not(a) { a=integer(a); return (0xffffffff-a); } /* Here begin the real algorithm */ var state = new array(4); var count = new array(2); count[0] = 0; count[1] = 0; var buffer = new array(64); var transformBuffer = new array(16); var digestBits = new array(16); var S11 = 7; var S12 = 12; var S13 = 17; var S14 = 22; var S21 = 5; var S22 = 9; var S23 = 14; var S24 = 20; var S31 = 4; var S32 = 11; var S33 = 16; var S34 = 23; var S41 = 6; var S42 = 10; var S43 = 15; var S44 = 21; function F(x,y,z) { return or(and(x,y),and(not(x),z)); } function G(x,y,z) { return or(and(x,z),and(y,not(z))); } function H(x,y,z) { return xor(xor(x,y),z); } function I(x,y,z) { return xor(y ,or(x , not(z))); } function rotateLeft(a,n) { return or(shl(a, n),(shr(a,(32 - n)))); } function FF(a,b,c,d,x,s,ac) { a = a+F(b, c, d) + x + ac; a = rotateLeft(a, s); a = a+b; return a; } function GG(a,b,c,d,x,s,ac) { a = a+G(b, c, d) +x + ac; a = rotateLeft(a, s); a = a+b; return a; } function HH(a,b,c,d,x,s,ac) { a = a+H(b, c, d) + x + ac; a = rotateLeft(a, s); a = a+b; return a; } function II(a,b,c,d,x,s,ac) { a = a+I(b, c, d) + x + ac; a = rotateLeft(a, s); a = a+b; return a; } function transform(buf,offset) { var a=0, b=0, c=0, d=0; var x = transformBuffer; a = state[0]; b = state[1]; c = state[2]; d = state[3]; for (i = 0; i < 16; i++) { x[i] = and(buf[i*4+offset],0xff); for (j = 1; j < 4; j++) { x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8); } } /* Round 1 */ a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ /* Round 2 */ a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ d = GG ( d, a, b, c, x[10], S22, 0x2441453); /* 22 */ c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ /* Round 3 */ a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ b = HH ( b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ /* Round 4 */ a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ state[0] +=a; state[1] +=b; state[2] +=c; state[3] +=d; } function init() { count[0]=count[1] = 0; state[0] = 0x67452301; state[1] = 0xefcdab89; state[2] = 0x98badcfe; state[3] = 0x10325476; for (i = 0; i < digestBits.length; i++) digestBits[i] = 0; } function update(b) { var index,i; index = and(shr(count[0],3) , 0x3f); if (count[0]<0xffffffff-7) count[0] += 8; else { count[1]++; count[0]-=0xffffffff+1; count[0]+=8; } buffer[index] = and(b,0xff); if (index >= 63) { transform(buffer, 0); } } function finish() { var bits = new array(8); var padding; var i=0, index=0, padLen=0; for (i = 0; i < 4; i++) { bits[i] = and(shr(count[0],(i * 8)), 0xff); } for (i = 0; i < 4; i++) { bits[i+4]=and(shr(count[1],(i * 8)), 0xff); } index = and(shr(count[0], 3) ,0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); padding = new array(64); padding[0] = 0x80; for (i=0;i<padLen;i++) update(padding[i]); for (i=0;i<8;i++) update(bits[i]); for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff); } } } /* End of the MD5 algorithm */ function hexa(n) { var hexa_h = "0123456789abcdef"; var hexa_c=""; var hexa_m=n; for (hexa_i=0;hexa_i<8;hexa_i++) { hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c; hexa_m=Math.floor(hexa_m/16); } return hexa_c; } var ascii="01234567890123456789012345678901" + " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+ "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"; function MD5(entree) { var l,s,k,ka,kb,kc,kd; init(); for (k=0;k<entree.length;k++) { l=entree.charAt(k); update(ascii.lastIndexOf(l)); } finish(); ka=kb=kc=kd=0; for (i=0;i<4;i++) ka+=shl(digestBits[15-i], (i*8)); for (i=4;i<8;i++) kb+=shl(digestBits[15-i], ((i-4)*8)); for (i=8;i<12;i++) kc+=shl(digestBits[15-i], ((i-8)*8)); for (i=12;i<16;i++) kd+=shl(digestBits[15-i], ((i-12)*8)); s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka); return s; } </script> |
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15
Sj
30.08.06
✎
13:32
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ну это уже за гранью реальности!
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