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PHP Zend_Crypt_Math_BigInteger::powmod方法代码示例

本文整理汇总了PHP中Zend_Crypt_Math_BigInteger::powmod方法的典型用法代码示例。如果您正苦于以下问题:PHP Zend_Crypt_Math_BigInteger::powmod方法的具体用法?PHP Zend_Crypt_Math_BigInteger::powmod怎么用?PHP Zend_Crypt_Math_BigInteger::powmod使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Zend_Crypt_Math_BigInteger的用法示例。


在下文中一共展示了Zend_Crypt_Math_BigInteger::powmod方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: computeSecretKey

 /**
  * Compute the shared secret key based on the public key received from the
  * the second party to this transaction. This should agree to the secret
  * key the second party computes on our own public key.
  * Once in agreement, the key is known to only to both parties.
  * By default, the function expects the public key to be in binary form
  * which is the typical format when being transmitted.
  *
  * If you need the binary form of the shared secret key, call
  * getSharedSecretKey() with the optional parameter for Binary output.
  *
  * @param string $publicKey
  * @param string $type
  * @param string $output
  * @throws Zend_Crypt_DiffieHellman_Exception
  * @return mixed
  */
 public function computeSecretKey($publicKey, $type = self::NUMBER, $output = self::NUMBER)
 {
     if ($type == self::BINARY) {
         $publicKey = $this->_math->fromBinary($publicKey);
     }
     if (!preg_match("/^\\d+\$/", $publicKey)) {
         throw new Zend_Crypt_DiffieHellman_Exception('invalid parameter; not a positive natural number');
     }
     if (function_exists('openssl_dh_compute_key') && self::$useOpenssl !== false) {
         $this->_secretKey = openssl_dh_compute_key($publicKey, $this->getPublicKey());
     } else {
         $this->_secretKey = $this->_math->powmod($publicKey, $this->getPrivateKey(), $this->getPrime());
     }
     return $this->getSharedSecretKey($output);
 }
开发者ID:kobmaki,项目名称:icingaweb2,代码行数:32,代码来源:DiffieHellman.php


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