Create jquery.md5.js

sites/tv2go.t-2.net/jquery.md5.js

@@ -0,0 +1,264 @@
+/*
+ * jQuery MD5 Plugin 1.2.1
+ * https://github.com/blueimp/jQuery-MD5
+ *
+ * Copyright 2010, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://creativecommons.org/licenses/MIT/
+ *
+ * Based on
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+/*
+ * 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),
+    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))
+}
+
+/*
+ * 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 MD5 of an array of little-endian words, and a bit length.
+ */
+function binl_md5(x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << len % 32
+  x[(((len + 64) >>> 9) << 4) + 14] = len
+
+  var i,
+    olda,
+    oldb,
+    oldc,
+    oldd,
+    a = 1732584193,
+    b = -271733879,
+    c = -1732584194,
+    d = 271733878
+
+  for (i = 0; i < x.length; i += 16) {
+    olda = a
+    oldb = b
+    oldc = c
+    oldd = d
+
+    a = md5_ff(a, b, c, d, x[i], 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], 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], 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], 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 [a, b, c, d]
+}
+
+/*
+ * Convert an array of little-endian words to a string
+ */
+function binl2rstr(input) {
+  var i,
+    output = ''
+  for (i = 0; i < input.length * 32; i += 8) {
+    output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff)
+  }
+  return output
+}
+
+/*
+ * Convert a raw string to an array of little-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+function rstr2binl(input) {
+  var i,
+    output = []
+  output[(input.length >> 2) - 1] = undefined
+  for (i = 0; i < output.length; i += 1) {
+    output[i] = 0
+  }
+  for (i = 0; i < input.length * 8; i += 8) {
+    output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32
+  }
+  return output
+}
+
+/*
+ * Calculate the MD5 of a raw string
+ */
+function rstr_md5(s) {
+  return binl2rstr(binl_md5(rstr2binl(s), s.length * 8))
+}
+
+/*
+ * Calculate the HMAC-MD5, of a key and some data (raw strings)
+ */
+function rstr_hmac_md5(key, data) {
+  var i,
+    bkey = rstr2binl(key),
+    ipad = [],
+    opad = [],
+    hash
+  ipad[15] = opad[15] = undefined
+  if (bkey.length > 16) {
+    bkey = binl_md5(bkey, key.length * 8)
+  }
+  for (i = 0; i < 16; i += 1) {
+    ipad[i] = bkey[i] ^ 0x36363636
+    opad[i] = bkey[i] ^ 0x5c5c5c5c
+  }
+  hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
+  return binl2rstr(binl_md5(opad.concat(hash), 512 + 128))
+}
+
+/*
+ * Convert a raw string to a hex string
+ */
+function rstr2hex(input) {
+  var hex_tab = '0123456789abcdef',
+    output = '',
+    x,
+    i
+  for (i = 0; i < input.length; i += 1) {
+    x = input.charCodeAt(i)
+    output += hex_tab.charAt((x >>> 4) & 0x0f) + hex_tab.charAt(x & 0x0f)
+  }
+  return output
+}
+
+/*
+ * Encode a string as utf-8
+ */
+function str2rstr_utf8(input) {
+  return unescape(encodeURIComponent(input))
+}
+
+/*
+ * Take string arguments and return either raw or hex encoded strings
+ */
+function raw_md5(s) {
+  return rstr_md5(str2rstr_utf8(s))
+}
+function hex_md5(s) {
+  return rstr2hex(raw_md5(s))
+}
+function raw_hmac_md5(k, d) {
+  return rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))
+}
+function hex_hmac_md5(k, d) {
+  return rstr2hex(raw_hmac_md5(k, d))
+}
+
+module.exports = function (string, key, raw) {
+  if (!key) {
+    if (!raw) {
+      return hex_md5(string)
+    } else {
+      return raw_md5(string)
+    }
+  }
+  if (!raw) {
+    return hex_hmac_md5(key, string)
+  } else {
+    return raw_hmac_md5(key, string)
+  }
+}