includes/hmac.php
author Dan
Sat, 26 Sep 2009 15:14:15 -0400
changeset 1122 e1606c85e937
parent 1081 745200a9cc2a
child 1227 bdac73ed481e
permissions -rw-r--r--
A bit of refinement and consistency to "Powered by Enano" link and associated documentation
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     1
<?php
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     2
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     3
/*
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     4
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
1081
745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
Dan
parents: 841
diff changeset
     5
 * Copyright (C) 2006-2009 Dan Fuhry
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     6
 * hmac.php - HMAC cryptographic functions
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     7
 *
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     8
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
     9
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    10
 *
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    11
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    12
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    13
 */
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    14
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    15
function hmac_core($message, $key, $hashfunc)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    16
{
841
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    17
  if ( strlen($key) % 2 == 1 )
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    18
    $key .= '0';
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    19
  
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    20
  if ( strlen($key) > 128 )
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    21
    $key = $hashfunc($key);
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    22
  
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    23
  while ( strlen($key) < 128 )
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    24
  {
841
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    25
    $key .= '00';
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    26
  }
841
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    27
  $opad = hmac_hexbytearray($key);
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    28
  $ipad = $opad;
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    29
  for ( $i = 0; $i < count($ipad); $i++ )
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    30
  {
841
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    31
    $opad[$i] = $opad[$i] ^ 0x5c;
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    32
    $ipad[$i] = $ipad[$i] ^ 0x36;
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    33
  }
841
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    34
  $opad = hmac_bytearraytostring($opad);
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    35
  $ipad = hmac_bytearraytostring($ipad);
83bb60402f51 HMAC functions are now standards-compliant (not a security issue). This BREAKS 1.1.6-hg passwords!
Dan
parents: 801
diff changeset
    36
  return $hashfunc($opad . hexdecode($hashfunc($ipad . $message)));
801
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    37
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    38
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    39
function hmac_hexbytearray($val)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    40
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    41
  $val = hexdecode($val);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    42
  return hmac_bytearray($val);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    43
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    44
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    45
function hmac_bytearray($val)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    46
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    47
  $val = str_split($val, 1);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    48
  foreach ( $val as &$char )
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    49
  {
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    50
    $char = ord($char);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    51
  }
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    52
  return $val;
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    53
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    54
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    55
function hmac_bytearraytostring($val)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    56
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    57
  foreach ( $val as &$char )
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    58
  {
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    59
    $char = chr($char);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    60
  }
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    61
  return implode('', $val);
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    62
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    63
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    64
function hmac_md5($message, $key)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    65
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    66
  return hmac_core($message, $key, 'md5');
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    67
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    68
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    69
function hmac_sha1($message, $key)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    70
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    71
  return hmac_core($message, $key, 'sha1');
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    72
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    73
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    74
function hmac_sha256($message, $key)
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    75
{
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    76
  require_once(ENANO_ROOT . '/includes/math.php');
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    77
  require_once(ENANO_ROOT . '/includes/diffiehellman.php');
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    78
  return hmac_core($message, $key, 'sha256');
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    79
}
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    80
eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
parents:
diff changeset
    81
?>