Amiro.CMS-Templates
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1/*
2* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
3* Digest Algorithm, as defined in RFC 1321.
4* Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
5* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
6* Distributed under the BSD License
7* See http://pajhome.org.uk/crypt/md5 for more info.
8*/
9
10/*
11* Configurable variables. You may need to tweak these to be compatible with
12* the server-side, but the defaults work in most cases.
13*/
14var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */15var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */16
17/*
18* These are the functions you'll usually want to call
19* They take string arguments and return either hex or base-64 encoded strings
20*/
21function hex_md5(s) { return rstr2hex(rstr_md5(str2rstr_utf8(s))); }22function b64_md5(s) { return rstr2b64(rstr_md5(str2rstr_utf8(s))); }23function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); }24function hex_hmac_md5(k, d)25{ return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }26function b64_hmac_md5(k, d)27{ return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }28function any_hmac_md5(k, d, e)29{ return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); }30
31/*
32* Perform a simple self-test to see if the VM is working
33*/
34function md5_vm_test()35{
36return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72";37}
38
39/*
40* Calculate the MD5 of a raw string
41*/
42function rstr_md5(s)43{
44return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));45}
46
47/*
48* Calculate the HMAC-MD5, of a key and some data (raw strings)
49*/
50function rstr_hmac_md5(key, data)51{
52var bkey = rstr2binl(key);53if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);54
55var ipad = Array(16), opad = Array(16);56for(var i = 0; i < 16; i++)57{58ipad[i] = bkey[i] ^ 0x36363636;59opad[i] = bkey[i] ^ 0x5C5C5C5C;60}61
62var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);63return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));64}
65
66/*
67* Convert a raw string to a hex string
68*/
69function rstr2hex(input)70{
71try { hexcase } catch(e) { hexcase=0; }72var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";73var output = "";74var x;75for(var i = 0; i < input.length; i++)76{77x = input.charCodeAt(i);78output += hex_tab.charAt((x >>> 4) & 0x0F)79+ hex_tab.charAt( x & 0x0F);80}81return output;82}
83
84/*
85* Convert a raw string to a base-64 string
86*/
87function rstr2b64(input)88{
89try { b64pad } catch(e) { b64pad=''; }90var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";91var output = "";92var len = input.length;93for(var i = 0; i < len; i += 3)94{95var triplet = (input.charCodeAt(i) << 16)96| (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)97| (i + 2 < len ? input.charCodeAt(i+2) : 0);98for(var j = 0; j < 4; j++)99{100if(i * 8 + j * 6 > input.length * 8) output += b64pad;101else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);102}103}104return output;105}
106
107/*
108* Convert a raw string to an arbitrary string encoding
109*/
110function rstr2any(input, encoding)111{
112var divisor = encoding.length;113var i, j, q, x, quotient;114
115/* Convert to an array of 16-bit big-endian values, forming the dividend */116var dividend = Array(Math.ceil(input.length / 2));117for(i = 0; i < dividend.length; i++)118{119dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);120}121
122/*123* Repeatedly perform a long division. The binary array forms the dividend,
124* the length of the encoding is the divisor. Once computed, the quotient
125* forms the dividend for the next step. All remainders are stored for later
126* use.
127*/
128var full_length = Math.ceil(input.length * 8 /129(Math.log(encoding.length) / Math.log(2)));130var remainders = Array(full_length);131for(j = 0; j < full_length; j++)132{133quotient = Array();134x = 0;135for(i = 0; i < dividend.length; i++)136{137x = (x << 16) + dividend[i];138q = Math.floor(x / divisor);139x -= q * divisor;140if(quotient.length > 0 || q > 0)141quotient[quotient.length] = q;142}143remainders[j] = x;144dividend = quotient;145}146
147/* Convert the remainders to the output string */148var output = "";149for(i = remainders.length - 1; i >= 0; i--)150output += encoding.charAt(remainders[i]);151
152return output;153}
154
155/*
156* Encode a string as utf-8.
157* For efficiency, this assumes the input is valid utf-16.
158*/
159function str2rstr_utf8(input)160{
161var output = "";162var i = -1;163var x, y;164
165while(++i < input.length)166{167/* Decode utf-16 surrogate pairs */168x = input.charCodeAt(i);169y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;170if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)171{172x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);173i++;174}175
176/* Encode output as utf-8 */177if(x <= 0x7F)178output += String.fromCharCode(x);179else if(x <= 0x7FF)180output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),1810x80 | ( x & 0x3F));182else if(x <= 0xFFFF)183output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),1840x80 | ((x >>> 6 ) & 0x3F),1850x80 | ( x & 0x3F));186else if(x <= 0x1FFFFF)187output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),1880x80 | ((x >>> 12) & 0x3F),1890x80 | ((x >>> 6 ) & 0x3F),1900x80 | ( x & 0x3F));191}192return output;193}
194
195/*
196* Encode a string as utf-16
197*/
198function str2rstr_utf16le(input)199{
200var output = "";201for(var i = 0; i < input.length; i++)202output += String.fromCharCode( input.charCodeAt(i) & 0xFF,203(input.charCodeAt(i) >>> 8) & 0xFF);204return output;205}
206
207function str2rstr_utf16be(input)208{
209var output = "";210for(var i = 0; i < input.length; i++)211output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,212input.charCodeAt(i) & 0xFF);213return output;214}
215
216/*
217* Convert a raw string to an array of little-endian words
218* Characters >255 have their high-byte silently ignored.
219*/
220function rstr2binl(input)221{
222var output = Array(input.length >> 2);223for(var i = 0; i < output.length; i++)224output[i] = 0;225for(var i = 0; i < input.length * 8; i += 8)226output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);227return output;228}
229
230/*
231* Convert an array of little-endian words to a string
232*/
233function binl2rstr(input)234{
235var output = "";236for(var i = 0; i < input.length * 32; i += 8)237output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);238return output;239}
240
241/*
242* Calculate the MD5 of an array of little-endian words, and a bit length.
243*/
244function binl_md5(x, len)245{
246/* append padding */247x[len >> 5] |= 0x80 << ((len) % 32);248x[(((len + 64) >>> 9) << 4) + 14] = len;249
250var a = 1732584193;251var b = -271733879;252var c = -1732584194;253var d = 271733878;254
255for(var i = 0; i < x.length; i += 16)256{257var olda = a;258var oldb = b;259var oldc = c;260var oldd = d;261
262a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);263d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);264c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);265b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);266a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);267d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);268c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);269b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);270a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);271d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);272c = md5_ff(c, d, a, b, x[i+10], 17, -42063);273b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);274a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);275d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);276c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);277b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);278
279a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);280d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);281c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);282b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);283a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);284d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);285c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);286b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);287a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);288d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);289c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);290b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);291a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);292d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);293c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);294b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);295
296a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);297d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);298c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);299b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);300a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);301d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);302c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);303b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);304a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);305d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);306c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);307b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);308a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);309d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);310c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);311b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);312
313a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);314d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);315c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);316b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);317a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);318d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);319c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);320b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);321a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);322d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);323c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);324b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);325a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);326d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);327c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);328b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);329
330a = safe_add(a, olda);331b = safe_add(b, oldb);332c = safe_add(c, oldc);333d = safe_add(d, oldd);334}335return Array(a, b, c, d);336}
337
338/*
339* These functions implement the four basic operations the algorithm uses.
340*/
341function md5_cmn(q, a, b, x, s, t)342{
343return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);344}
345function md5_ff(a, b, c, d, x, s, t)346{
347return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);348}
349function md5_gg(a, b, c, d, x, s, t)350{
351return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);352}
353function md5_hh(a, b, c, d, x, s, t)354{
355return md5_cmn(b ^ c ^ d, a, b, x, s, t);356}
357function md5_ii(a, b, c, d, x, s, t)358{
359return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);360}
361
362/*
363* Add integers, wrapping at 2^32. This uses 16-bit operations internally
364* to work around bugs in some JS interpreters.
365*/
366function safe_add(x, y)367{
368var lsw = (x & 0xFFFF) + (y & 0xFFFF);369var msw = (x >> 16) + (y >> 16) + (lsw >> 16);370return (msw << 16) | (lsw & 0xFFFF);371}
372
373/*
374* Bitwise rotate a 32-bit number to the left.
375*/
376function bit_rol(num, cnt)377{
378return (num << cnt) | (num >>> (32 - cnt));379}
380