Bcrypt.php

Gesponsorde koppelingen

PHP script bestanden

  1. Bcrypt.php
  2. encryption.js
  3. index.php
  4. index.php
  5. login.css
  6. maak_functies.php
  7. geldig_ip.php
  8. index.php
  9. index.php
  10. nl.php
  11. configuratie.php
  12. controle.php
  13. index2.php
  14. uitloggen.php
  15. database.sql

« Lees de omschrijving en reacties

Code (php)
PHP script in nieuw venster Selecteer het PHP script
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
<?php
class Bcrypt {
  private $rounds;
  public function __construct($rounds = 12) {
    if(CRYPT_BLOWFISH != 1) {
      throw new Exception("bcrypt not supported in this installation. See http://php.net/crypt");
    }


    $this->rounds = $rounds;
  }


  public function hash($input) {
    $hash = crypt($input, $this->getSalt());

    if(strlen($hash) > 13)
      return $hash;

    return false;
  }


  public function verify($input, $existingHash) {
    $hash = crypt($input, $existingHash);

    return $hash === $existingHash;
  }


  private function getSalt() {
    $salt = sprintf('$2a$%02d$', $this->rounds);

    $bytes = $this->getRandomBytes(16);

    $salt .= $this->encodeBytes($bytes);

    return $salt;
  }


  private $randomState;
  private function getRandomBytes($count) {
    $bytes = '';

    if(function_exists('openssl_random_pseudo_bytes') &&
        (
strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN')) { // OpenSSL slow on Win
      $bytes = openssl_random_pseudo_bytes($count);
    }


    if($bytes === '' && is_readable('/dev/urandom') &&
       (
$hRand = @fopen('/dev/urandom', 'rb')) !== FALSE) {
      $bytes = fread($hRand, $count);
      fclose($hRand);
    }


    if(strlen($bytes) < $count) {
      $bytes = '';

      if($this->randomState === null) {
        $this->randomState = microtime();
        if(function_exists('getmypid')) {
          $this->randomState .= getmypid();
        }
      }


      for($i = 0; $i < $count; $i += 16) {
        $this->randomState = md5(microtime() . $this->randomState);

        if (PHP_VERSION >= '5') {
          $bytes .= md5($this->randomState, true);
        }
else {
          $bytes .= pack('H*', md5($this->randomState));
        }
      }


      $bytes = substr($bytes, 0, $count);
    }


    return $bytes;
  }


  private function encodeBytes($input) {
    // The following is code from the PHP Password Hashing Framework
    $itoa64 = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

    $output = '';
    $i = 0;
    do {
      $c1 = ord($input[$i++]);
      $output .= $itoa64[$c1 >> 2];
      $c1 = ($c1 & 0x03) << 4;
      if ($i >= 16) {
        $output .= $itoa64[$c1];
        break;
      }


      $c2 = ord($input[$i++]);
      $c1 |= $c2 >> 4;
      $output .= $itoa64[$c1];
      $c1 = ($c2 & 0x0f) << 2;

      $c2 = ord($input[$i++]);
      $c1 |= $c2 >> 6;
      $output .= $itoa64[$c1];
      $output .= $itoa64[$c2 & 0x3f];
    }
while (1);

    return $output;
  }
}

?>

 
 

Om de gebruiksvriendelijkheid van onze website en diensten te optimaliseren maken wij gebruik van cookies. Deze cookies gebruiken wij voor functionaliteiten, analytische gegevens en marketing doeleinden. U vindt meer informatie in onze privacy statement.