php_library/general/crhsh.inc

<?php
//********************************************************************************
//Copyright (C)2006 David T. Ashley
//********************************************************************************
//This program or source file is free software; you can redistribute it and/or 
//modify it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or (at your 
//option) any later version.
//
//This program or source file is distributed in the hope that it will 
//be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You may have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//********************************************************************************
//Dave Ashley, 01/06
//
//This source file contains cryptographic hash functions.
//
//This constant is the hashing key.  This must be concealed from all users of the system.
//Knowledge of this key would allow a user to forge hashes.  The key consists of random
//typing, digits of PI, verbiage from the PHP website, and Thoreau quotes.
//
define("CRHSH_KEY_A", "kdj376xhadfhl134g;;hv adfhlLLL:::341324hdbvjkahsdfgh2834gigwreeiqrbuibwqvgzzxxaqkhlkagdviab;;" .
                      "wikiwikiboomboomWhen you remove constant in your pool.14159265358979323846264338hgiik123435 /" .
                      "628034825342117067982160631558817488152092096282925409171536436789259next greatest happiness " .
                      "always 762876110927543725 clear understanding that I do not attain //76234767960bbbhgquickbro" .
                      "hgalshdfthequickdoglazytheoverjumpedfoxquickbrownfox---mind was all undusted still,.........." );

//All of the functions below calculate an MD5 hash with various numbers of arguments.  A
//function accepting a variable number of arguments is also provided.  The return value
//in all cases is an MD5 hash of the arguments intermingled with the key.
//
//The functions are in all cases deterministic (same inputs will always produce same output).
//
//Once a database system is in operation, the key must not be changed, or it may render the database
//system unusable.
//
function CRHSH_hash01($arg)
   {
   $arg = (string) $arg;

   $input =  CRHSH_KEY_A . $arg . CRHSH_KEY_A;

   //echo "<br>\n";
   //echo $input;
   //echo "<br>\n";

   $rv = md5($input);

   return($rv);
   }
//
function CRHSH_hash02($arg01, $arg02)
   {
   $arg01 = (string) $arg01;
   $arg02 = (string) $arg02;

   $input =  CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A;

   //echo "<br>\n";
   //echo $input;
   //echo "<br>\n";

   $rv = md5($input);

   return($rv);
   }
//
function CRHSH_hash03($arg01, $arg02, $arg03)
   {
   $arg01 = (string) $arg01;
   $arg02 = (string) $arg02;
   $arg03 = (string) $arg03;

   $input =  CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A . $arg03 . CRHSH_KEY_A;

   $rv = md5($input);

   return($rv);
   }
//
function CRHSH_hash04($arg01, $arg02, $arg03, $arg04)
   {
   $arg01 = (string) $arg01;
   $arg02 = (string) $arg02;
   $arg03 = (string) $arg03;
   $arg04 = (string) $arg04;

   $input =  CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A . $arg03 . CRHSH_KEY_A . $arg04 . CRHSH_KEY_A;

   $rv = md5($input);

   return($rv);
   }
//
function CRHSH_hashva()
   {
   $input = CRHSH_KEY_A;

   $num_args = func_num_args();

   for ($i=0; $i<$num_args; $i++)
      {
      $input .= ((string) func_get_arg($i));
      $input .= CRHSH_KEY_A;
      }

   $rv = md5($input);

   return($rv);
   }
?>
1	dashley	35	<?php
2			//********************************************************************************
3			//Copyright (C)2006 David T. Ashley
4			//********************************************************************************
5			//This program or source file is free software; you can redistribute it and/or
6			//modify it under the terms of the GNU General Public License as published by
7			//the Free Software Foundation; either version 2 of the License, or (at your
8			//option) any later version.
9			//
10			//This program or source file is distributed in the hope that it will
11			//be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12			//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			//GNU General Public License for more details.
14			//
15			//You may have received a copy of the GNU General Public License
16			//along with this program; if not, write to the Free Software
17			//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18			//********************************************************************************
19			//Dave Ashley, 01/06
20			//
21			//This source file contains cryptographic hash functions.
22			//
23			//This constant is the hashing key. This must be concealed from all users of the system.
24			//Knowledge of this key would allow a user to forge hashes. The key consists of random
25			//typing, digits of PI, verbiage from the PHP website, and Thoreau quotes.
26			//
27			define("CRHSH_KEY_A", "kdj376xhadfhl134g;;hv adfhlLLL:::341324hdbvjkahsdfgh2834gigwreeiqrbuibwqvgzzxxaqkhlkagdviab;;" .
28			"wikiwikiboomboomWhen you remove constant in your pool.14159265358979323846264338hgiik123435 /" .
29			"628034825342117067982160631558817488152092096282925409171536436789259next greatest happiness " .
30			"always 762876110927543725 clear understanding that I do not attain //76234767960bbbhgquickbro" .
31			"hgalshdfthequickdoglazytheoverjumpedfoxquickbrownfox---mind was all undusted still,.........." );
32
33			//All of the functions below calculate an MD5 hash with various numbers of arguments. A
34			//function accepting a variable number of arguments is also provided. The return value
35			//in all cases is an MD5 hash of the arguments intermingled with the key.
36			//
37			//The functions are in all cases deterministic (same inputs will always produce same output).
38			//
39			//Once a database system is in operation, the key must not be changed, or it may render the database
40			//system unusable.
41			//
42			function CRHSH_hash01($arg)
43			{
44			$arg = (string) $arg;
45
46			$input = CRHSH_KEY_A . $arg . CRHSH_KEY_A;
47
48			//echo "<br>\n";
49			//echo $input;
50			//echo "<br>\n";
51
52			$rv = md5($input);
53
54			return($rv);
55			}
56			//
57			function CRHSH_hash02($arg01, $arg02)
58			{
59			$arg01 = (string) $arg01;
60			$arg02 = (string) $arg02;
61
62			$input = CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A;
63
64			//echo "<br>\n";
65			//echo $input;
66			//echo "<br>\n";
67
68			$rv = md5($input);
69
70			return($rv);
71			}
72			//
73			function CRHSH_hash03($arg01, $arg02, $arg03)
74			{
75			$arg01 = (string) $arg01;
76			$arg02 = (string) $arg02;
77			$arg03 = (string) $arg03;
78
79			$input = CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A . $arg03 . CRHSH_KEY_A;
80
81			$rv = md5($input);
82
83			return($rv);
84			}
85			//
86			function CRHSH_hash04($arg01, $arg02, $arg03, $arg04)
87			{
88			$arg01 = (string) $arg01;
89			$arg02 = (string) $arg02;
90			$arg03 = (string) $arg03;
91			$arg04 = (string) $arg04;
92
93			$input = CRHSH_KEY_A . $arg01 . CRHSH_KEY_A . $arg02 . CRHSH_KEY_A . $arg03 . CRHSH_KEY_A . $arg04 . CRHSH_KEY_A;
94
95			$rv = md5($input);
96
97			return($rv);
98			}
99			//
100			function CRHSH_hashva()
101			{
102			$input = CRHSH_KEY_A;
103
104			$num_args = func_num_args();
105
106			for ($i=0; $i<$num_args; $i++)
107			{
108			$input .= ((string) func_get_arg($i));
109			$input .= CRHSH_KEY_A;
110			}
111
112			$rv = md5($input);
113
114			return($rv);
115			}
116			?>