/[dtapublic]/to_be_filed/webprojs/php_libraries/php_library/fboprime/crhsh.inc
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Revision 35 - (hide annotations) (download)
Sat Oct 8 23:35:33 2016 UTC (7 years, 9 months ago) by dashley
File size: 2228 byte(s)
Initial commit.
1 dashley 35 <?php
2     //$Header: /hl/cvsroots/gpl01/gpl01/webprojs/fboprime/sw/phplib/crhsh.inc,v 1.4 2006/04/08 07:14:16 dashley Exp $
3     //********************************************************************************
4     //Copyright (C)2006 David T. Ashley
5     //********************************************************************************
6     //This program or source file is free software; you can redistribute it and/or
7     //modify it under the terms of the GNU General Public License as published by
8     //the Free Software Foundation; either version 2 of the License, or (at your
9     //option) any later version.
10     //
11     //This program or source file is distributed in the hope that it will
12     //be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
13     //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     //GNU General Public License for more details.
15     //
16     //You may have received a copy of the GNU General Public License
17     //along with this program; if not, write to the Free Software
18     //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     //********************************************************************************
20     //Dave Ashley, 04/06
21     //
22     //This source file contains cryptographic hash function(s).
23     //
24     //The site hash key must be included, as this is used for all hashing functions.
25     //
26     require_once("sitehashkey.inc");
27     //
28     //As it turns out, because PHP provides for functions with variable numbers of arguments,
29     //only one function is required to meet all cryptographic hashing functions.
30     //
31     //--------------------------------------------------------------------------------
32     //The return value is an MD5 hash of the arguments intermingled with the key.
33     //
34     //The function is always deterministic (the same inputs will always produce the same
35     //output).
36     //
37     //Unit-tested 20060408.
38     //
39     function CRHSH_hashva()
40     {
41     $input = SITEHASHKEY_SITEHASHKEY;
42    
43     $num_args = func_num_args();
44    
45     for ($i=0; $i<$num_args; $i++)
46     {
47     $input .= ((string) func_get_arg($i));
48     $input .= SITEHASHKEY_SITEHASHKEY;
49     }
50    
51     $rv = md5($input);
52    
53     return($rv);
54     }
55     //--------------------------------------------------------------------------------
56     ?>

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