1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions
6// are met:
7// 1.  Redistributions of source code must retain the above copyright
8//     notice, this list of conditions and the following disclaimer.
9// 2.  Redistributions in binary form must reproduce the above copyright
10//     notice, this list of conditions and the following disclaimer in the
11//     documentation and/or other materials provided with the distribution.
12//
13// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23
24description("KDE JS Test");
25shouldBe("hexMD5('kde')", "'186cf28b76f2264e9fea8fcf91cb4f5d'");
26
27/*
28 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
29 * Digest Algorithm, as defined in RFC 1321.
30 * Version 1.1 Copyright (C) Paul Johnston 1999 - 2002.
31 * Code also contributed by Greg Holt
32 * See http://pajhome.org.uk/site/legal.html for details.
33 */
34
35/*
36 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
37 * to work around bugs in some JS interpreters.
38 */
39function safe_add(x, y)
40{
41  var lsw = (x & 0xFFFF) + (y & 0xFFFF)
42  var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
43  return (msw << 16) | (lsw & 0xFFFF)
44}
45
46/*
47 * Bitwise rotate a 32-bit number to the left.
48 */
49function rol(num, cnt)
50{
51  return (num << cnt) | (num >>> (32 - cnt))
52}
53
54/*
55 * These functions implement the four basic operations the algorithm uses.
56 */
57function cmn(q, a, b, x, s, t)
58{
59  return safe_add(rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
60}
61function ff(a, b, c, d, x, s, t)
62{
63  return cmn((b & c) | ((~b) & d), a, b, x, s, t)
64}
65function gg(a, b, c, d, x, s, t)
66{
67  return cmn((b & d) | (c & (~d)), a, b, x, s, t)
68}
69function hh(a, b, c, d, x, s, t)
70{
71  return cmn(b ^ c ^ d, a, b, x, s, t)
72}
73function ii(a, b, c, d, x, s, t)
74{
75  return cmn(c ^ (b | (~d)), a, b, x, s, t)
76}
77
78/*
79 * Calculate the MD5 of an array of little-endian words, producing an array
80 * of little-endian words.
81 */
82function coreMD5(x)
83{
84  var a =  1732584193
85  var b = -271733879
86  var c = -1732584194
87  var d =  271733878
88
89  for(i = 0; i < x.length; i += 16)
90  {
91    var olda = a
92    var oldb = b
93    var oldc = c
94    var oldd = d
95
96    a = ff(a, b, c, d, x[i+ 0], 7 , -680876936)
97    d = ff(d, a, b, c, x[i+ 1], 12, -389564586)
98    c = ff(c, d, a, b, x[i+ 2], 17,  606105819)
99    b = ff(b, c, d, a, x[i+ 3], 22, -1044525330)
100    a = ff(a, b, c, d, x[i+ 4], 7 , -176418897)
101    d = ff(d, a, b, c, x[i+ 5], 12,  1200080426)
102    c = ff(c, d, a, b, x[i+ 6], 17, -1473231341)
103    b = ff(b, c, d, a, x[i+ 7], 22, -45705983)
104    a = ff(a, b, c, d, x[i+ 8], 7 ,  1770035416)
105    d = ff(d, a, b, c, x[i+ 9], 12, -1958414417)
106    c = ff(c, d, a, b, x[i+10], 17, -42063)
107    b = ff(b, c, d, a, x[i+11], 22, -1990404162)
108    a = ff(a, b, c, d, x[i+12], 7 ,  1804603682)
109    d = ff(d, a, b, c, x[i+13], 12, -40341101)
110    c = ff(c, d, a, b, x[i+14], 17, -1502002290)
111    b = ff(b, c, d, a, x[i+15], 22,  1236535329)
112
113    a = gg(a, b, c, d, x[i+ 1], 5 , -165796510)
114    d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632)
115    c = gg(c, d, a, b, x[i+11], 14,  643717713)
116    b = gg(b, c, d, a, x[i+ 0], 20, -373897302)
117    a = gg(a, b, c, d, x[i+ 5], 5 , -701558691)
118    d = gg(d, a, b, c, x[i+10], 9 ,  38016083)
119    c = gg(c, d, a, b, x[i+15], 14, -660478335)
120    b = gg(b, c, d, a, x[i+ 4], 20, -405537848)
121    a = gg(a, b, c, d, x[i+ 9], 5 ,  568446438)
122    d = gg(d, a, b, c, x[i+14], 9 , -1019803690)
123    c = gg(c, d, a, b, x[i+ 3], 14, -187363961)
124    b = gg(b, c, d, a, x[i+ 8], 20,  1163531501)
125    a = gg(a, b, c, d, x[i+13], 5 , -1444681467)
126    d = gg(d, a, b, c, x[i+ 2], 9 , -51403784)
127    c = gg(c, d, a, b, x[i+ 7], 14,  1735328473)
128    b = gg(b, c, d, a, x[i+12], 20, -1926607734)
129
130    a = hh(a, b, c, d, x[i+ 5], 4 , -378558)
131    d = hh(d, a, b, c, x[i+ 8], 11, -2022574463)
132    c = hh(c, d, a, b, x[i+11], 16,  1839030562)
133    b = hh(b, c, d, a, x[i+14], 23, -35309556)
134    a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060)
135    d = hh(d, a, b, c, x[i+ 4], 11,  1272893353)
136    c = hh(c, d, a, b, x[i+ 7], 16, -155497632)
137    b = hh(b, c, d, a, x[i+10], 23, -1094730640)
138    a = hh(a, b, c, d, x[i+13], 4 ,  681279174)
139    d = hh(d, a, b, c, x[i+ 0], 11, -358537222)
140    c = hh(c, d, a, b, x[i+ 3], 16, -722521979)
141    b = hh(b, c, d, a, x[i+ 6], 23,  76029189)
142    a = hh(a, b, c, d, x[i+ 9], 4 , -640364487)
143    d = hh(d, a, b, c, x[i+12], 11, -421815835)
144    c = hh(c, d, a, b, x[i+15], 16,  530742520)
145    b = hh(b, c, d, a, x[i+ 2], 23, -995338651)
146
147    a = ii(a, b, c, d, x[i+ 0], 6 , -198630844)
148    d = ii(d, a, b, c, x[i+ 7], 10,  1126891415)
149    c = ii(c, d, a, b, x[i+14], 15, -1416354905)
150    b = ii(b, c, d, a, x[i+ 5], 21, -57434055)
151    a = ii(a, b, c, d, x[i+12], 6 ,  1700485571)
152    d = ii(d, a, b, c, x[i+ 3], 10, -1894986606)
153    c = ii(c, d, a, b, x[i+10], 15, -1051523)
154    b = ii(b, c, d, a, x[i+ 1], 21, -2054922799)
155    a = ii(a, b, c, d, x[i+ 8], 6 ,  1873313359)
156    d = ii(d, a, b, c, x[i+15], 10, -30611744)
157    c = ii(c, d, a, b, x[i+ 6], 15, -1560198380)
158    b = ii(b, c, d, a, x[i+13], 21,  1309151649)
159    a = ii(a, b, c, d, x[i+ 4], 6 , -145523070)
160    d = ii(d, a, b, c, x[i+11], 10, -1120210379)
161    c = ii(c, d, a, b, x[i+ 2], 15,  718787259)
162    b = ii(b, c, d, a, x[i+ 9], 21, -343485551)
163
164    a = safe_add(a, olda)
165    b = safe_add(b, oldb)
166    c = safe_add(c, oldc)
167    d = safe_add(d, oldd)
168  }
169  return [a, b, c, d]
170}
171
172/*
173 * Convert an array of little-endian words to a hex string.
174 */
175function binl2hex(binarray)
176{
177  var hex_tab = "0123456789abcdef"
178  var str = ""
179  for(var i = 0; i < binarray.length * 4; i++)
180  {
181    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
182           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8)) & 0xF)
183  }
184  return str
185}
186
187/*
188 * Convert an array of little-endian words to a base64 encoded string.
189 */
190function binl2b64(binarray)
191{
192  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
193  var str = ""
194  for(var i = 0; i < binarray.length * 32; i += 6)
195  {
196    str += tab.charAt(((binarray[i>>5] << (i%32)) & 0x3F) |
197                      ((binarray[i>>5+1] >> (32-i%32)) & 0x3F))
198  }
199  return str
200}
201
202/*
203 * Convert an 8-bit character string to a sequence of 16-word blocks, stored
204 * as an array, and append appropriate padding for MD4/5 calculation.
205 * If any of the characters are >255, the high byte is silently ignored.
206 */
207function str2binl(str)
208{
209  var nblk = ((str.length + 8) >> 6) + 1 // number of 16-word blocks
210  var blks = new Array(nblk * 16)
211  for(var i = 0; i < nblk * 16; i++) blks[i] = 0
212  for(var i = 0; i < str.length; i++)
213    blks[i>>2] |= (str.charCodeAt(i) & 0xFF) << ((i%4) * 8)
214  blks[i>>2] |= 0x80 << ((i%4) * 8)
215  blks[nblk*16-2] = str.length * 8
216  return blks
217}
218
219/*
220 * Convert a wide-character string to a sequence of 16-word blocks, stored as
221 * an array, and append appropriate padding for MD4/5 calculation.
222 */
223function strw2binl(str)
224{
225  var nblk = ((str.length + 4) >> 5) + 1 // number of 16-word blocks
226  var blks = new Array(nblk * 16)
227  for(var i = 0; i < nblk * 16; i++) blks[i] = 0
228  for(var i = 0; i < str.length; i++)
229    blks[i>>1] |= str.charCodeAt(i) << ((i%2) * 16)
230  blks[i>>1] |= 0x80 << ((i%2) * 16)
231  blks[nblk*16-2] = str.length * 16
232  return blks
233}
234
235/*
236 * External interface
237 */
238function hexMD5 (str) { return binl2hex(coreMD5( str2binl(str))) }
239function hexMD5w(str) { return binl2hex(coreMD5(strw2binl(str))) }
240function b64MD5 (str) { return binl2b64(coreMD5( str2binl(str))) }
241function b64MD5w(str) { return binl2b64(coreMD5(strw2binl(str))) }
242/* Backward compatibility */
243function calcMD5(str) { return binl2hex(coreMD5( str2binl(str))) }
244