Флэш-шифрование Расшифровка PHP

Для Flash вы можете http://code.google.com/p/as3crypto/ поддерживать

• RSA
• DES
• AES
• Blowfish –
• MD5
• ША
• X509
• RC4

PHP вы можете использовать mycrypt http://www.php.net/manual/en/mcrypt.examples.php RSA, DES, AES, Blowfish, MD5, SHA, X509, RC4, все вышеперечисленное шифрование также поддерживается

Пример класса Flash

 package { import flash.display.Sprite; import flash.utils.ByteArray; import com.hurlant.crypto.symmetric.ICipher; import com.hurlant.crypto.symmetric.IVMode; import com.hurlant.crypto.symmetric.IMode; import com.hurlant.crypto.symmetric.NullPad; import com.hurlant.crypto.symmetric.PKCS5; import com.hurlant.crypto.symmetric.IPad; import com.hurlant.util.Base64; import com.hurlant.util.Hex; import com.hurlant.crypto.Crypto; public class CryptoCode extends Sprite { private var type:String='simple-des-ecb'; private var key:ByteArray; public function CryptoCode() { init(); } private function init():void { key = Hex.toArray(Hex.fromString('TESTTEST'));// can only be 8 characters long trace(encrypt('TEST TEST')); trace(decrypt(encrypt('TEST TEST')); } private function encrypt(txt:String = ''):String { var data:ByteArray = Hex.toArray(Hex.fromString(txt)); var pad:IPad = new PKCS5; var mode:ICipher = Crypto.getCipher(type, key, pad); pad.setBlockSize(mode.getBlockSize()); mode.encrypt(data); return Base64.encodeByteArray(data); } private function decrypt(txt:String = ''):String { var data:ByteArray = Base64.decodeToByteArray(txt); var pad:IPad = new PKCS5; var mode:ICipher = Crypto.getCipher(type, key, pad); pad.setBlockSize(mode.getBlockSize()); mode.decrypt(data); return Hex.toString(Hex.fromArray(data)); } } } 

Пример класса PHP

 class Crypt { var $key = NULL; var $iv = NULL; var $iv_size = NULL; function Crypt() { $this->init(); } function init($key = "") { $this->key = ($key != "") ? $key : ""; $this->algorithm = MCRYPT_DES; $this->mode = MCRYPT_MODE_ECB; $this->iv_size = mcrypt_get_iv_size($this->algorithm, $this->mode); $this->iv = mcrypt_create_iv($this->iv_size, MCRYPT_RAND); } function encrypt($data) { $size = mcrypt_get_block_size($this->algorithm, $this->mode); $data = $this->pkcs5_pad($data, $size); return base64_encode(mcrypt_encrypt($this->algorithm, $this->key, $data, $this->mode, $this->iv)); } function decrypt($data) { return $this->pkcs5_unpad(rtrim(mcrypt_decrypt($this->algorithm, $this->key, base64_decode($data), $this->mode, $this->iv))); } function pkcs5_pad($text, $blocksize) { $pad = $blocksize - (strlen($text) % $blocksize); return $text . str_repeat(chr($pad), $pad); } function pkcs5_unpad($text) { $pad = ord($text{strlen($text)-1}); if ($pad > strlen($text)) return false; if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false; return substr($text, 0, -1 * $pad); } } 

Вспышка использования

 // instance of crypto class private var _crypto : CryptoCode; public var myLoader : URLLoader; // create instance with encryption key _crypto = new CryptoCode("PASSWORD"); // send crypted string to php script var variables : URLVariables = new URLVariables(); variables.message = _crypto.encrypt(tosend_in.text); // create request with POST method var request : URLRequest = new URLRequest("http://www.lecrabe.net/wordpress/demo/crypt/scripts/testcrypto.php"); request.method = URLRequestMethod.POST; request.data = variables; // send request myLoader.load(request); 

Использование PHP

 include_once "lib/cryptlib.php"; // init a new instance of Crypto Class $crypto = new Crypt; // init with the encryption key $result = $crypto->init("PASSWORD"); // get the POST data $messagefromflash = $_POST ["message"]; // decrypt data $decrypted_messagefromflash = $crypto->decrypt(utf8_decode($messagefromflash));