inc/crypto.inc

   1 <?php
   2
   3 class crypto {
   4
   5 function crypto($text,$key) {
   6    /* Open the cipher */
   7    $td = mcrypt_module_open('rijndael-256', '', 'ecb', '');
   8
   9    /* Create the IV and determine the keysize length */
  10    $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_DEV_RANDOM);
  11    $ks = mcrypt_enc_get_key_size($td);
  12
  13    /* Intialize encryption */
  14    mcrypt_generic_init($td, $key, "iv");
  15
  16    /* Encrypt data */
  17         echo "LALALAL $iv LLALALAAL";
  18    $encrypted = mcrypt_generic($td, $text);
  19
  20    /* Terminate encryption handler */
  21    mcrypt_generic_deinit($td);
  22    mcrypt_module_close($td);
  23
  24   return $encrypted;
  25 }
  26
  27
  28 function decrypto($encrypted,$key) {
  29    $td = mcrypt_module_open('rijndael-256', '', 'ecb', '');
  30
  31    /* Create the IV and determine the keysize length */
  32    $ks = mcrypt_enc_get_key_size($td);
  33
  34 //   $iv=substr($encrypted,0,mcrypt_get_iv_size($td));
  35 //   $text=substr($encrypted,mcrypt_get_iv_size($td));
  36
  37    mcrypt_generic_init($td, $key, "iv");
  38
  39    /* Decrypt encrypted string */
  40    $decrypted = mdecrypt_generic($td, $encrypted);
  41
  42    /* Terminate decryption handle and close module */
  43    mcrypt_generic_deinit($td);
  44    mcrypt_module_close($td);
  45
  46
  47   return $decrypted;
  48 }
  49
  50
  51 }
  52
  53 ?>