PHP は aes 暗号化クラスの共有を実装します_PHP チュートリアル
- WBOYオリジナル
- 2016-07-13 10:25:01817ブラウズ
class AESMcrypt {
public $iv = null;
public $key = null;
public $bit = 128;
private $cipher;
public function __construct($bit, $key, $iv, $mode) {
if(empty($bit) || empty($key) || empty($iv) || empty($mode))
return NULL;
$this->bit = $bit;
$this- >key = $key;
$this->iv = $iv;
$this->mode = $mode;
switch($this->bit) {
case 192:$this->>暗号 = MCRYPT_RIJNDAEL_192; Break;
case 256:$this->cipher = MCRYPT_RIJNDAEL_256; Break;
default: $this->cipher = MCRYPT_RIJNDAEL_128;
}
switch($this->mode) {
case 'ecb':$this->mode = MCRYPT_MODE_ECB; Break;
case 'cfb':$this->mode = MCRYPT_MODE_CFB; Break;
case 'ofb':$this->mode = MCRYPT_MODE_OFB; Break;
case 'nofb':$this->mode = MCRYPT_MODE_NOFB; Break;
デフォルト: $this->mode = MCRYPT_MODE_CBC;
}
}
public function encrypt($data) {
$data =base64_encode(mcrypt_encrypt( $this->cipher, $this->key, $data, $this->mode, $this->iv));
return $data;
}
public function decrypt($data) {
$data = mcrypt_decrypt( $this->cipher, $ this->key,base64_decode($data), $this->mode, $this->iv);
$data = rtrim(rtrim($data), "x00..x1F");
return $データ;
}
}
//使用方法
$aes = new AESMcrypt($bit = 128, $key = 'abcdef1234567890', $iv = '0987654321fedcba', $mode = 'cbc');
$c = $aes->encrypt( 'haowei.me');
var_dump($aes->decrypt($c));