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<?php
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/**
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* OpenSSL.php
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*
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* PHP version 7
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7
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*
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8
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* @category Dcrypt
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* @package Dcrypt
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* @author Michael Meyer (mmeyer2k) <[email protected]>
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* @license http://opensource.org/licenses/MIT The MIT License (MIT)
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* @link https://github.com/mmeyer2k/dcrypt
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*/
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namespace Dcrypt;
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class OpenSSL
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{
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/**
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* OpenSSL encrypt wrapper function
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*
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* @param string $data Data to decrypt
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* @param string $method Cipher method to use
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* @param string $key Key string
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* @param string $iv Initialization vector
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* @return string
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*/
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protected static function openssl_encrypt(string $data, string $method, string $key, string $iv): string
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{
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$ret = \openssl_encrypt($data, $method, $key, 1, $iv);
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return self::returnOrException($ret);
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}
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/**
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* OpenSSL decrypt wrapper function
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*
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* @param string $data Data to decrypt
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* @param string $method Cipher method to use
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* @param string $key Key string
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* @param string $iv Initialization vector
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* @return string
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*/
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protected static function openssl_decrypt(string $data, string $method, string $key, string $iv): string
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{
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$ret = \openssl_decrypt($data, $method, $key, 1, $iv);
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return self::returnOrException($ret);
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}
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/**
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* Throw an exception if openssl function returns false
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*
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* @param string|bool $data
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* @return string
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* @throws \Exception
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*/
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private static function returnOrException($data): string
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{
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if ($data === false) {
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throw new \Exception('OpenSSL failed to encrypt/decrypt message.');
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}
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return $data;
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}
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}
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mmeyer2k /
dcrypt
