mirror of https://github.com/iptv-org/epg.git
Create jquery.md5.js
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Aleksandr Statciuk
parent
13cbd52020
commit
47e2114b26
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/*
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* jQuery MD5 Plugin 1.2.1
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* https://github.com/blueimp/jQuery-MD5
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*
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* Copyright 2010, Sebastian Tschan
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* https://blueimp.net
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*
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* Licensed under the MIT license:
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* http://creativecommons.org/licenses/MIT/
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*
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* Based on
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* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
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* Digest Algorithm, as defined in RFC 1321.
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* Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
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* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
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* Distributed under the BSD License
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* See http://pajhome.org.uk/crypt/md5 for more info.
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*/
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/*
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* Add integers, wrapping at 2^32. This uses 16-bit operations internally
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* to work around bugs in some JS interpreters.
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*/
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function safe_add(x, y) {
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var lsw = (x & 0xffff) + (y & 0xffff),
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msw = (x >> 16) + (y >> 16) + (lsw >> 16)
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return (msw << 16) | (lsw & 0xffff)
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}
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/*
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* Bitwise rotate a 32-bit number to the left.
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*/
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function bit_rol(num, cnt) {
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return (num << cnt) | (num >>> (32 - cnt))
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}
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/*
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* These functions implement the four basic operations the algorithm uses.
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*/
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function md5_cmn(q, a, b, x, s, t) {
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return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
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}
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function md5_ff(a, b, c, d, x, s, t) {
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return md5_cmn((b & c) | (~b & d), a, b, x, s, t)
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}
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function md5_gg(a, b, c, d, x, s, t) {
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return md5_cmn((b & d) | (c & ~d), a, b, x, s, t)
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}
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function md5_hh(a, b, c, d, x, s, t) {
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return md5_cmn(b ^ c ^ d, a, b, x, s, t)
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}
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function md5_ii(a, b, c, d, x, s, t) {
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return md5_cmn(c ^ (b | ~d), a, b, x, s, t)
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}
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/*
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* Calculate the MD5 of an array of little-endian words, and a bit length.
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*/
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function binl_md5(x, len) {
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/* append padding */
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x[len >> 5] |= 0x80 << len % 32
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x[(((len + 64) >>> 9) << 4) + 14] = len
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var i,
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olda,
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oldb,
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oldc,
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oldd,
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a = 1732584193,
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b = -271733879,
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c = -1732584194,
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d = 271733878
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for (i = 0; i < x.length; i += 16) {
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olda = a
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oldb = b
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oldc = c
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oldd = d
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a = md5_ff(a, b, c, d, x[i], 7, -680876936)
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d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586)
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c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819)
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b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330)
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a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897)
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d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426)
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c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341)
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b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983)
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a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416)
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d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417)
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c = md5_ff(c, d, a, b, x[i + 10], 17, -42063)
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b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162)
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a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682)
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d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101)
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c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290)
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b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329)
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a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510)
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d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632)
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c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713)
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b = md5_gg(b, c, d, a, x[i], 20, -373897302)
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a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691)
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d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083)
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c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335)
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b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848)
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a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438)
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d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690)
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c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961)
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b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501)
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a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467)
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d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784)
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c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473)
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b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734)
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a = md5_hh(a, b, c, d, x[i + 5], 4, -378558)
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d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463)
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c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562)
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b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556)
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a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060)
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d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353)
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c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632)
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b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640)
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a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174)
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d = md5_hh(d, a, b, c, x[i], 11, -358537222)
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c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979)
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b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189)
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a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487)
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d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835)
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c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520)
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b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651)
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a = md5_ii(a, b, c, d, x[i], 6, -198630844)
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d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415)
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c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905)
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b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055)
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a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571)
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d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606)
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c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523)
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b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799)
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a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359)
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d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744)
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c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380)
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b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649)
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a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070)
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d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379)
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c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259)
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b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551)
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a = safe_add(a, olda)
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b = safe_add(b, oldb)
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c = safe_add(c, oldc)
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d = safe_add(d, oldd)
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}
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return [a, b, c, d]
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}
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/*
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* Convert an array of little-endian words to a string
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*/
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function binl2rstr(input) {
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var i,
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output = ''
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for (i = 0; i < input.length * 32; i += 8) {
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output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff)
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}
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return output
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}
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/*
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* Convert a raw string to an array of little-endian words
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* Characters >255 have their high-byte silently ignored.
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*/
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function rstr2binl(input) {
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var i,
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output = []
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output[(input.length >> 2) - 1] = undefined
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for (i = 0; i < output.length; i += 1) {
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output[i] = 0
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}
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for (i = 0; i < input.length * 8; i += 8) {
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output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32
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}
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return output
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}
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/*
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* Calculate the MD5 of a raw string
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*/
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function rstr_md5(s) {
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return binl2rstr(binl_md5(rstr2binl(s), s.length * 8))
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}
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/*
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* Calculate the HMAC-MD5, of a key and some data (raw strings)
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*/
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function rstr_hmac_md5(key, data) {
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var i,
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bkey = rstr2binl(key),
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ipad = [],
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opad = [],
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hash
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ipad[15] = opad[15] = undefined
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if (bkey.length > 16) {
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bkey = binl_md5(bkey, key.length * 8)
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}
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for (i = 0; i < 16; i += 1) {
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ipad[i] = bkey[i] ^ 0x36363636
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opad[i] = bkey[i] ^ 0x5c5c5c5c
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}
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hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
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return binl2rstr(binl_md5(opad.concat(hash), 512 + 128))
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}
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/*
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* Convert a raw string to a hex string
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*/
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function rstr2hex(input) {
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var hex_tab = '0123456789abcdef',
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output = '',
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x,
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i
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for (i = 0; i < input.length; i += 1) {
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x = input.charCodeAt(i)
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output += hex_tab.charAt((x >>> 4) & 0x0f) + hex_tab.charAt(x & 0x0f)
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}
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return output
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}
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/*
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* Encode a string as utf-8
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*/
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function str2rstr_utf8(input) {
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return unescape(encodeURIComponent(input))
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}
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/*
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* Take string arguments and return either raw or hex encoded strings
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*/
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function raw_md5(s) {
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return rstr_md5(str2rstr_utf8(s))
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}
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function hex_md5(s) {
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return rstr2hex(raw_md5(s))
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}
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function raw_hmac_md5(k, d) {
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return rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))
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}
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function hex_hmac_md5(k, d) {
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return rstr2hex(raw_hmac_md5(k, d))
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}
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module.exports = function (string, key, raw) {
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if (!key) {
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if (!raw) {
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return hex_md5(string)
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} else {
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return raw_md5(string)
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}
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}
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if (!raw) {
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return hex_hmac_md5(key, string)
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} else {
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return raw_hmac_md5(key, string)
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}
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}
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