Beispiel #1
0
 /**
  * Test for engine validity
  *
  * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine()
  *
  * @see \phpseclib\Crypt\Common\SymmetricKey::isValidEngine()
  * @param int $engine
  * @access public
  * @return bool
  */
 function isValidEngine($engine)
 {
     if ($engine == self::ENGINE_OPENSSL) {
         if ($this->key_length != 16) {
             return false;
         }
         $this->cipher_name_openssl_ecb = 'bf-ecb';
         $this->cipher_name_openssl = 'bf-' . $this->_openssl_translate_mode();
     }
     return parent::isValidEngine($engine);
 }
Beispiel #2
0
 /**
  * Test for engine validity
  *
  * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine()
  *
  * @see \phpseclib\Crypt\Common\SymmetricKey::__construct()
  * @param int $engine
  * @access public
  * @return bool
  */
 function isValidEngine($engine)
 {
     switch ($engine) {
         case self::ENGINE_OPENSSL:
             if ($this->current_key_length != 128 || strlen($this->orig_key) < 16) {
                 return false;
             }
             $this->cipher_name_openssl_ecb = 'rc2-ecb';
             $this->cipher_name_openssl = 'rc2-' . $this->_openssl_translate_mode();
     }
     return parent::isValidEngine($engine);
 }
Beispiel #3
0
 /**
  * Test for engine validity
  *
  * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine()
  *
  * @see \phpseclib\Crypt\Common\SymmetricKey::__construct()
  * @param int $engine
  * @access public
  * @return bool
  */
 function isValidEngine($engine)
 {
     switch ($engine) {
         case self::ENGINE_OPENSSL:
             if ($this->block_size != 16) {
                 return false;
             }
             $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb';
             $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode();
             break;
         case self::ENGINE_MCRYPT:
             $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3);
             if ($this->key_length % 8) {
                 // is it a 160/224-bit key?
                 // mcrypt is not usable for them, only for 128/192/256-bit keys
                 return false;
             }
     }
     return parent::isValidEngine($engine);
 }