X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=framework%2Fmain%2Fclasses%2Fstreams%2Fcrypto%2Fclass_McryptStream.php;h=a704498d032daab9b6e20a2f1f8e9e52e636331d;hb=HEAD;hp=0c2fd3140aef9b2c51d3d7dcaf330f57409937bb;hpb=4f9cf34b521892cb99fae9b21b92787f3d555b74;p=core.git diff --git a/framework/main/classes/streams/crypto/class_McryptStream.php b/framework/main/classes/streams/crypto/class_McryptStream.php deleted file mode 100644 index 0c2fd314..00000000 --- a/framework/main/classes/streams/crypto/class_McryptStream.php +++ /dev/null @@ -1,177 +0,0 @@ - - * @version 0.0.0 - * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team - * @license GNU GPL 3.0 or any newer version - * @link http://www.shipsimu.org - * @todo mcrypt will become deprecated, rewrite to OpenSSL - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ -class McryptStream extends BaseStream implements EncryptableStream { - /** - * Protected constructor - * - * @return void - */ - protected function __construct () { - // Call parent constructor - parent::__construct(__CLASS__); - } - - /** - * Creates an instance of this node class - * - * @param $rngInstance An RNG instance - * @return $streamInstance An instance of this node class - */ - public static final function createMcryptStream (RandomNumberGenerator $rngInstance) { - // Get a new instance - $streamInstance = new McryptStream(); - - // Set the RNG instance - $streamInstance->setRngInstance($rngInstance); - - // Return the instance - return $streamInstance; - } - - /** - * Encrypt the string with fixed salt - * - * @param $str The unencrypted string - * @param $key Optional key, if none provided, a random key will be generated - * @return $encrypted Encrypted string - */ - public function encryptStream ($str, $key = NULL) { - // Debug message - //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: key[' . gettype($key) . ']=' . $key); - - // Init crypto module - $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); - $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); - - // Generate key, if none provided - if (is_null($key)) { - // None provided - $key = $this->getRngInstance()->generateKey(); - } // END - if - - // Add some "payload" to the string - switch ($this->getRngInstance()->randomNumber(0, 8)) { - case 0: - $payloadString = crc32($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . crc32($this->getRngInstance()->randomString(20)); - break; - - case 1: - $payloadString = crc32($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . md5($this->getRngInstance()->randomString(20)); - break; - - case 2: - $payloadString = crc32($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . sha1($this->getRngInstance()->randomString(20)); - break; - - case 3: - $payloadString = md5($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . crc32($this->getRngInstance()->randomString(20)); - break; - - case 4: - $payloadString = md5($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . md5($this->getRngInstance()->randomString(20)); - break; - - case 5: - $payloadString = md5($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . sha1($this->getRngInstance()->randomString(20)); - break; - - case 6: - $payloadString = sha1($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . crc32($this->getRngInstance()->randomString(20)); - break; - - case 7: - $payloadString = sha1($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . md5($this->getRngInstance()->randomString(20)); - break; - - case 8: - $payloadString = sha1($this->getRngInstance()->randomString(10)) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . base64_encode($str) . EncryptableStream::DATA_PAYLOAD_SEPARATOR . sha1($this->getRngInstance()->randomString(20)); - break; - } - - // Encrypt the string - $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $payloadString, MCRYPT_MODE_ECB, $iv); - - // Return the string - return $encrypted; - } - - /** - * Decrypt the string with fixed salt - * - * @param $encrypted Encrypted string - * @param $key Optional key, if none provided, a random key will be generated - * @return $str The unencrypted string - */ - public function decryptStream ($encrypted, $key = NULL) { - // Init crypto module - $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); - $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); - - // Shall we use a default key or custom? - if (is_null($key)) { - // Generate (default) key - $key = $this->getRngInstance()->generateKey(); - } // END - if - - // Decrypt the string - $payloadString = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $encrypted, MCRYPT_MODE_ECB, $iv); - - // Get the real string out - $strArray = explode(EncryptableStream::DATA_PAYLOAD_SEPARATOR, $payloadString); - - // Does the element count match? - assert(count($strArray) == 3); - - // Decode the string - $str = base64_decode($strArray[1]); - - // Trim trailing nulls away - $str = rtrim($str, "\0"); - - // Return the string - return $str; - } - - /** - * Streams the data and maybe does something to it - * - * @param $data The data (string mostly) to "stream" - * @return $data The data (string mostly) to "stream" - * @throws UnsupportedOperationException If this method is called (which is a mistake) - */ - public function streamData ($data) { - self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('Unhandled ' . strlen($data) . ' bytes in this stream.'); - throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION); - } - -}