function _ldap_servers_encrypt in Lightweight Directory Access Protocol (LDAP) 7

Same name and namespace in other branches

1. 8.2 ldap_servers/ldap_servers.encryption.inc \_ldap_servers_encrypt()
2. 7.2 ldap_servers/ldap_servers.encryption.inc \_ldap_servers_encrypt()

Encrypt Password Method

Parameters

string clear_txt: Plaintext password.

Return value

string Encrypted text, formatted for use as an LDAP password.

1 call to _ldap_servers_encrypt()

ldap_servers_encrypt in ldap_servers/ldap_servers.module

File

ldap_servers/ldap_servers.encryption.inc, line 87

Provides functions for encryption/decryption. http://stackoverflow.com/questions/2448256/php-mcrypt-encrypting-decrypt...

Code

function _ldap_servers_encrypt($clear_txt, $enc_type = NULL) {
  if (!$enc_type) {
    $enc_type = variable_get('ldap_servers_encryption', LDAP_SERVERS_ENC_TYPE_CLEARTEXT);
  }
  if ($enc_type == LDAP_SERVERS_ENC_TYPE_CLEARTEXT) {
    return $clear_txt;
  }
  if (!($key = variable_get('ldap_servers_encrypt_key', NULL))) {
    $key = ldap_servers_random_salt(10);
    variable_set('ldap_servers_encrypt_key', $key);
  }
  switch ($enc_type) {
    case LDAP_SERVERS_ENC_TYPE_BLOWFISH:

      // Blowfish
      $td = mcrypt_module_open('blowfish', '', LDAP_SERVERS_CYPHER_MODE, '');
      $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
      mcrypt_generic_init($td, $key, $iv);
      $crypttext = mcrypt_generic($td, $clear_txt);
      mcrypt_generic_deinit($td);
      $cipher_txt = $iv . $crypttext;
      break;
    default:

      // Cleartext
      $cipher_txt = $clear_txt;
  }
  return base64_encode($cipher_txt);
}