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Diffstat (limited to 'boca-1.5.1/src/Md5.js')
| -rw-r--r-- | boca-1.5.1/src/Md5.js | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/boca-1.5.1/src/Md5.js b/boca-1.5.1/src/Md5.js deleted file mode 100644 index 65c8c44..0000000 --- a/boca-1.5.1/src/Md5.js +++ /dev/null @@ -1,226 +0,0 @@ -/* - * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message - * Digest Algorithm, as defined in RFC 1321. - * Copyright (C) Paul Johnston 1999 - 2000. - * Updated by Greg Holt 2000 - 2001. - * See http://pajhome.org.uk/site/legal.html for details. - -The BSD License ---------------- -Copyright (c) 1998 - 2002, Paul Johnston & Contributors -All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - -Redistributions of source code must retain the above copyright notice, this list -of conditions and the following disclaimer. Redistributions in binary form must -reproduce the above copyright notice, this list of conditions and the following -disclaimer in the documentation and/or other materials provided with the distribution. - -Neither the name of Paul Johnston nor pajhome.org.uk nor the names of its contributors -may be used to endorse or promote products derived from this software without specific -prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT -SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED -TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR -BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -DAMAGE. - -JavaScript MD5 --------------- -The JavaScript code implementing the algorithm is derived from the C code in RFC 1321 -and is covered by the following copyright: - -Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. -License to copy and use this software is granted provided that it is identified as -the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning -or referencing this software or this function. - -License is also granted to make and use derivative works provided that such works are -identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" -in all material mentioning or referencing the derived work. - -RSA Data Security, Inc. makes no representations concerning either the merchantability -of this software or the suitability of this software for any particular purpose. It is -provided "as is" without express or implied warranty of any kind. - -These notices must be retained in any copies of any part of this documentation and/or -software. - -This copyright does not prohibit distribution of the JavaScript MD5 code under the -BSD license. - */ - -/* - * Convert a 32-bit number to a hex string with ls-byte first - */ -var hex_chr = "0123456789abcdef"; -function rhex(num) -{ - str = ""; - for(j = 0; j <= 3; j++) - str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + - hex_chr.charAt((num >> (j * 8)) & 0x0F); - return str; -} - -/* - * Convert a string to a sequence of 16-word blocks, stored as an array. - * Append padding bits and the length, as described in the MD5 standard. - */ -function str2blks_MD5(str) -{ - nblk = ((str.length + 8) >> 6) + 1; - blks = new Array(nblk * 16); - for(i = 0; i < nblk * 16; i++) blks[i] = 0; - for(i = 0; i < str.length; i++) - blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8); - blks[i >> 2] |= 0x80 << ((i % 4) * 8); - blks[nblk * 16 - 2] = str.length * 8; - return blks; -} - -/* - * Add integers, wrapping at 2^32. This uses 16-bit operations internally - * to work around bugs in some JS interpreters. - */ -function 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 rol(num, cnt) -{ - return (num << cnt) | (num >>> (32 - cnt)); -} - -/* - * These functions implement the basic operation for each round of the - * algorithm. - */ -function cmn(q, a, b, x, s, t) -{ - return add(rol(add(add(a, q), add(x, t)), s), b); -} -function ff(a, b, c, d, x, s, t) -{ - return cmn((b & c) | ((~b) & d), a, b, x, s, t); -} -function gg(a, b, c, d, x, s, t) -{ - return cmn((b & d) | (c & (~d)), a, b, x, s, t); -} -function hh(a, b, c, d, x, s, t) -{ - return cmn(b ^ c ^ d, a, b, x, s, t); -} -function ii(a, b, c, d, x, s, t) -{ - return cmn(c ^ (b | (~d)), a, b, x, s, t); -} - -/* - * Take a string and return the hex representation of its MD5. - */ -function calcMD5(str) -{ - x = str2blks_MD5(str); - 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 = ff(a, b, c, d, x[i+ 0], 7 , -680876936); - d = ff(d, a, b, c, x[i+ 1], 12, -389564586); - c = ff(c, d, a, b, x[i+ 2], 17, 606105819); - b = ff(b, c, d, a, x[i+ 3], 22, -1044525330); - a = ff(a, b, c, d, x[i+ 4], 7 , -176418897); - d = ff(d, a, b, c, x[i+ 5], 12, 1200080426); - c = ff(c, d, a, b, x[i+ 6], 17, -1473231341); - b = ff(b, c, d, a, x[i+ 7], 22, -45705983); - a = ff(a, b, c, d, x[i+ 8], 7 , 1770035416); - d = ff(d, a, b, c, x[i+ 9], 12, -1958414417); - c = ff(c, d, a, b, x[i+10], 17, -42063); - b = ff(b, c, d, a, x[i+11], 22, -1990404162); - a = ff(a, b, c, d, x[i+12], 7 , 1804603682); - d = ff(d, a, b, c, x[i+13], 12, -40341101); - c = ff(c, d, a, b, x[i+14], 17, -1502002290); - b = ff(b, c, d, a, x[i+15], 22, 1236535329); - - a = gg(a, b, c, d, x[i+ 1], 5 , -165796510); - d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632); - c = gg(c, d, a, b, x[i+11], 14, 643717713); - b = gg(b, c, d, a, x[i+ 0], 20, -373897302); - a = gg(a, b, c, d, x[i+ 5], 5 , -701558691); - d = gg(d, a, b, c, x[i+10], 9 , 38016083); - c = gg(c, d, a, b, x[i+15], 14, -660478335); - b = gg(b, c, d, a, x[i+ 4], 20, -405537848); - a = gg(a, b, c, d, x[i+ 9], 5 , 568446438); - d = gg(d, a, b, c, x[i+14], 9 , -1019803690); - c = gg(c, d, a, b, x[i+ 3], 14, -187363961); - b = gg(b, c, d, a, x[i+ 8], 20, 1163531501); - a = gg(a, b, c, d, x[i+13], 5 , -1444681467); - d = gg(d, a, b, c, x[i+ 2], 9 , -51403784); - c = gg(c, d, a, b, x[i+ 7], 14, 1735328473); - b = gg(b, c, d, a, x[i+12], 20, -1926607734); - - a = hh(a, b, c, d, x[i+ 5], 4 , -378558); - d = hh(d, a, b, c, x[i+ 8], 11, -2022574463); - c = hh(c, d, a, b, x[i+11], 16, 1839030562); - b = hh(b, c, d, a, x[i+14], 23, -35309556); - a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060); - d = hh(d, a, b, c, x[i+ 4], 11, 1272893353); - c = hh(c, d, a, b, x[i+ 7], 16, -155497632); - b = hh(b, c, d, a, x[i+10], 23, -1094730640); - a = hh(a, b, c, d, x[i+13], 4 , 681279174); - d = hh(d, a, b, c, x[i+ 0], 11, -358537222); - c = hh(c, d, a, b, x[i+ 3], 16, -722521979); - b = hh(b, c, d, a, x[i+ 6], 23, 76029189); - a = hh(a, b, c, d, x[i+ 9], 4 , -640364487); - d = hh(d, a, b, c, x[i+12], 11, -421815835); - c = hh(c, d, a, b, x[i+15], 16, 530742520); - b = hh(b, c, d, a, x[i+ 2], 23, -995338651); - - a = ii(a, b, c, d, x[i+ 0], 6 , -198630844); - d = ii(d, a, b, c, x[i+ 7], 10, 1126891415); - c = ii(c, d, a, b, x[i+14], 15, -1416354905); - b = ii(b, c, d, a, x[i+ 5], 21, -57434055); - a = ii(a, b, c, d, x[i+12], 6 , 1700485571); - d = ii(d, a, b, c, x[i+ 3], 10, -1894986606); - c = ii(c, d, a, b, x[i+10], 15, -1051523); - b = ii(b, c, d, a, x[i+ 1], 21, -2054922799); - a = ii(a, b, c, d, x[i+ 8], 6 , 1873313359); - d = ii(d, a, b, c, x[i+15], 10, -30611744); - c = ii(c, d, a, b, x[i+ 6], 15, -1560198380); - b = ii(b, c, d, a, x[i+13], 21, 1309151649); - a = ii(a, b, c, d, x[i+ 4], 6 , -145523070); - d = ii(d, a, b, c, x[i+11], 10, -1120210379); - c = ii(c, d, a, b, x[i+ 2], 15, 718787259); - b = ii(b, c, d, a, x[i+ 9], 21, -343485551); - - a = add(a, olda); - b = add(b, oldb); - c = add(c, oldc); - d = add(d, oldd); - } - return rhex(a) + rhex(b) + rhex(c) + rhex(d); -} |