46bde4d1 |
1 | /***************************************************************************\r |
179afa7f |
2 | * Copyright (C) 2003-2008 Polytechnique.org *\r |
46bde4d1 |
3 | * http://opensource.polytechnique.org/ *\r |
4 | * *\r |
5 | * This program is free software; you can redistribute it and/or modify *\r |
6 | * it under the terms of the GNU General Public License as published by *\r |
7 | * the Free Software Foundation; either version 2 of the License, or *\r |
8 | * (at your option) any later version. *\r |
9 | * *\r |
10 | * This program is distributed in the hope that it will be useful, *\r |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r |
13 | * GNU General Public License for more details. *\r |
14 | * *\r |
15 | * You should have received a copy of the GNU General Public License *\r |
16 | * along with this program; if not, write to the Free Software *\r |
17 | * Foundation, Inc., *\r |
18 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *\r |
19 | ***************************************************************************/\r |
20 | \r |
46bde4d1 |
21 | function hash_encrypt(a) {\r |
22 | return hex_sha1(a);\r |
23 | }\r |
24 | \r |
25 | var hexa_h = "0123456789abcdef";\r |
26 | \r |
27 | function dechex(a) {\r |
28 | return hexa_h.charAt(a);\r |
29 | }\r |
30 | \r |
31 | function hexdec(a) {\r |
32 | return hexa_h.indexOf(a);\r |
33 | }\r |
34 | \r |
35 | function hash_xor(a, b) {\r |
36 | var c,i,j,k;\r |
37 | c = "";\r |
38 | i = a.length;\r |
39 | j = b.length;\r |
40 | if (i < j) {\r |
41 | var d;\r |
42 | d = a; a = b; b = d;\r |
43 | k = i; i = j; j = k;\r |
44 | }\r |
45 | for (k = 0; k < j; k++)\r |
46 | c += dechex(hexdec(a.charAt(k)) ^ hexdec(b.charAt(k)));\r |
47 | for (; k < i; k++)\r |
48 | c += a.charAt(k);\r |
49 | return c;\r |
50 | }\r |
a14159bf |
51 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |