<?php
/**
Aes encryption
*/
class AES {
const M_CBC = 'cbc';
const M_CFB = 'cfb';
const M_ECB = 'ecb';
const M_NOFB = 'nofb';
const M_OFB = 'ofb';
const M_STREAM = 'stream';
protected $key;
protected $cipher;
protected $data;
protected $mode;
protected $IV;
/**
*
* @param type $data
* @param type $key
* @param type $blockSize
* @param type $mode
*/
function __construct($data = null, $key = null, $blockSize = null, $mode = null) {
$this->setData($data);
$this->setKey($key);
$this->setBlockSize($blockSize);
$this->setMode($mode);
$this->setIV("");
}
/**
*
* @param type $data
*/
public function setData($data) {
$this->data = $data;
}
/**
*
* @param type $key
*/
public function setKey($key) {
$this->key = $key;
}
/**
*
* @param type $blockSize
*/
public function setBlockSize($blockSize) {
switch ($blockSize) {
case 128:
$this->cipher = MCRYPT_RIJNDAEL_128;
break;
case 192:
$this->cipher = MCRYPT_RIJNDAEL_192;
break;
case 256:
$this->cipher = MCRYPT_RIJNDAEL_256;
break;
}
}
/**
*
* @param type $mode
*/
public function setMode($mode) {
switch ($mode) {
case AES::M_CBC:
$this->mode = MCRYPT_MODE_CBC;
break;
case AES::M_CFB:
$this->mode = MCRYPT_MODE_CFB;
break;
case AES::M_ECB:
$this->mode = MCRYPT_MODE_ECB;
break;
case AES::M_NOFB:
$this->mode = MCRYPT_MODE_NOFB;
break;
case AES::M_OFB:
$this->mode = MCRYPT_MODE_OFB;
break;
case AES::M_STREAM:
$this->mode = MCRYPT_MODE_STREAM;
break;
default:
$this->mode = MCRYPT_MODE_ECB;
break;
}
}
/**
*
* @return boolean
*/
public function validateParams() {
if ($this->data != null &&
$this->key != null &&
$this->cipher != null) {
return true;
} else {
return FALSE;
}
}
public function setIV($IV) {
$this->IV = $IV;
}
protected function getIV() {
if ($this->IV == "") {
$this->IV = mcrypt_create_iv(mcrypt_get_iv_size($this->cipher, $this->mode), MCRYPT_RAND);
}
return $this->IV;
}
/**
* @return type
* @throws Exception
*/
public function encrypt() {
if ($this->validateParams()) {
return trim(base64_encode(
mcrypt_encrypt(
$this->cipher, $this->key, $this->data, $this->mode, $this->getIV())));
} else {
throw new Exception('Invlid params!');
}
}
/**
*
* @return type
* @throws Exception
*/
public function decrypt() {
if ($this->validateParams()) {
return trim(mcrypt_decrypt(
$this->cipher, $this->key, base64_decode($this->data), $this->mode, $this->getIV()));
} else {
throw new Exception('Invlid params!');
}
}
}
function encode($text)
{
return bin2hex($text);
}
function decode($base16){
return pack("H*", $base16);
}
function encrypt($key, $link){
$cp = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', 'cbc', '');
@mcrypt_generic_init($cp, $key, $key);
$enc = mcrypt_generic($cp, $link);
mcrypt_generic_deinit($cp);
mcrypt_module_close($cp);
return $enc;
}
$key="31323334353637383930393837363534";
$link="62QTUQPXD5PTTmyJPr6wh/b7fdQR94C+MEwg1XEvXI2nV4Lg38yp6AKLW6/ZWW5Z8c+CjfCWZkJoBkpl/p2SS7rp4GAuUR07OKu9rDp/2yoX14y/zx13w62yt6DIRvqWpk/Z4B1EFgSaky6UIHHefubrpnJtAmdq4hhtZXbrNvZvxn6DG74ZJC4B2Qwp3PM1EYz7PiK1MQv2p6dcLdi5J1seJUp9oICdKKYF/hDnNXC6UQSOKz1QDD8oWd4glsp1WGOiR7XXat4llB3g+rZV2suupoR6jpFDAv5DK3GUjEZGUUAgnhNMbHvRVFfce80LOQn7Lh+TUvrXqfE45fzgJcf6qswWHdFCtF8mOUQvjsr67wkkBTn4shNG1bWYF5oXbBOArt+R9dk5IluD2mDGiOj3FymwPQFd+nrHFYIsnSMHs3VC7jpa8nVHo2zYajeXc43dgMiH4mZwfYica1myoKqAfnCpokhaSaOtbE0SKOdhJw2Hw90IChEwvlWFoZmeW1MlA3W9CYIGdR4Xwxl7TXNgw2w9EXwXc0N8WQV1bK7AUB3F722HJMgiLCqjs9UzSTk6yhBs4LNdKnW+F44iQEV7vFibvGVbwanjypxX+E4aydaPPFA3TCpZY+pEo2IY3mfmnH8oyswlp55SvIvLBU4IHNNdfv8ONZzUiasaQSZxQ0K6aVm8nbjUBZEfCX3h5N1h047Vt0sVSI19Bsv9mDzIgXc1jnDREvDdhQM97lzzctm+fyjAPnXmScuqPnhn";
$blockSize = 128;
$aes = new AES($link, encode($key), $blockSize);
//$aes->setData($enc);
$dec = $aes->decrypt();
echo "Decryption: ".$dec."\r\n";
echo base64_encode(encrypt(encode($key), $link));
- Output for git.master, git.master_jit, rfc.property-hooks
- Fatal error: Uncaught Error: Undefined constant "MCRYPT_RIJNDAEL_128" in /in/VrNe3:57
Stack trace:
#0 /in/VrNe3(29): AES->setBlockSize(128)
#1 /in/VrNe3(177): AES->__construct('62QTUQPXD5PTTmy...', '333133323333333...', 128)
#2 {main}
thrown in /in/VrNe3 on line 57
Process exited with code 255.
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