aec加密 php_php aes加密解密类（兼容php5、php7）

/**

* @desc：php aes加密解密类

* @author [Lee] ]>

*/

class aes{
// 加密方式：1、mcrypt；2、openssl 默认1

private $type;

// cast-128 gost rijndael-128 twofish cast-256 loki97 rijndael-192 saferplus wake blowfish-compat des rijndael-256 serpent xtea blowfish enigma rc2 tripledes arcfour

// AES-128-CBC AES-128-CFB AES-128-CFB1 AES-128-CFB8 AES-128-CTR AES-128-ECB AES-128-OFB AES-128-XTS AES-192-CBC AES-192-CFB AES-192-CFB1 AES-192-CFB8 AES-192-CTR AES-192-ECB AES-192-OFB AES-256-CBC AES-256-CFB AES-256-CFB1 AES-256-CFB8 AES-256-CTR AES-256-ECB AES-256-OFB AES-256-XTS BF-CBC BF-CFB BF-ECB BF-OFB CAMELLIA-128-CBC CAMELLIA-128-CFB CAMELLIA-128-CFB1 CAMELLIA-128-CFB8 CAMELLIA-128-ECB CAMELLIA-128-OFB CAMELLIA-192-CBC CAMELLIA-192-CFB CAMELLIA-192-CFB1 CAMELLIA-192-CFB8 CAMELLIA-192-ECB CAMELLIA-192-OFB CAMELLIA-256-CBC CAMELLIA-256-CFB CAMELLIA-256-CFB1 CAMELLIA-256-CFB8 CAMELLIA-256-ECB CAMELLIA-256-OFB CAST5-CBC CAST5-CFB CAST5-ECB CAST5-OFB DES-CBC DES-CFB DES-CFB1 DES-CFB8 DES-ECB DES-EDE DES-EDE-CBC DES-EDE-CFB DES-EDE-OFB DES-EDE3 DES-EDE3-CBC DES-EDE3-CFB DES-EDE3-CFB1 DES-EDE3-CFB8 DES-EDE3-OFB DES-OFB DESX-CBC GOST 28147-89 IDEA-CBC IDEA-CFB IDEA-ECB IDEA-OFB RC2-40-CBC RC2-64-CBC RC2-CBC RC2-CFB RC2-ECB RC2-OFB RC4 RC4-40 RC4-HMAC-MD5 SEED-CBC SEED-CFB SEED-ECB SEED-OFB aes-128-cbc aes-128-ccm aes-128-cfb aes-128-cfb1 aes-128-cfb8 aes-128-ctr aes-128-ecb aes-128-gcm aes-128-ofb aes-128-xts aes-192-cbc aes-192-ccm aes-192-cfb aes-192-cfb1 aes-192-cfb8 aes-192-ctr aes-192-ecb aes-192-gcm aes-192-ofb aes-256-cbc aes-256-ccm aes-256-cfb aes-256-cfb1 aes-256-cfb8 aes-256-ctr aes-256-ecb aes-256-gcm aes-256-ofb aes-256-xts bf-cbc bf-cfb bf-ecb bf-ofb camellia-128-cbc camellia-128-cfb camellia-128-cfb1 camellia-128-cfb8 camellia-128-ecb camellia-128-ofb camellia-192-cbc camellia-192-cfb camellia-192-cfb1 camellia-192-cfb8 camellia-192-ecb camellia-192-ofb camellia-256-cbc camellia-256-cfb camellia-256-cfb1 camellia-256-cfb8 camellia-256-ecb camellia-256-ofb cast5-cbc cast5-cfb cast5-ecb cast5-ofb des-cbc des-cfb des-cfb1 des-cfb8 des-ecb des-ede des-ede-cbc des-ede-cfb des-ede-ofb des-ede3 des-ede3-cbc des-ede3-cfb des-ede3-cfb1 des-ede3-cfb8 des-ede3-ofb des-ofb desx-cbc gost89 gost89-cnt id-aes128-CCM id-aes128-GCM id-aes128-wrap id-aes192-CCM id-aes192-GCM id-aes192-wrap id-aes256-CCM id-aes256-GCM id-aes256-wrap id-smime-alg-CMS3DESwrap idea-cbc idea-cfb idea-ecb idea-ofb rc2-40-cbc rc2-64-cbc rc2-cbc rc2-cfb rc2-ecb rc2-ofb rc4 rc4-40 rc4-hmac-md5 seed-cbc seed-cfb seed-ecb seed-ofb

private $cipher = ‘seed-ofb‘;

// cbc cfb ctr ecb ncfb nofb ofb stream

private $mode = ‘stream‘;

private $iv;

// MCRYPT_RAND MCRYPT_DEV_RANDOM MCRYPT_DEV_URANDOM

private $source = MCRYPT_RAND;

private $key;

private $data;

/*

构造函数

@param key 密钥

@param type 加密类型：1、mcrypt；2、openssl

*/

public function __construct($key,$type = 1){
$this->key = $key;

$this->type = $type;

}

private function getiv(){
$cipher = $this->cipher;

$mode = $this->mode;

$source = $this->source;

$size = mcrypt_get_iv_size($cipher,$mode);

$iv = mcrypt_create_iv($size,$source);

return $iv;

}

public function encrypt($data){
$type = $this->type;

$cipher = $this->cipher;

$mode = $this->mode;

$key = $this->key;

if($type == 1){
$iv = $this->getiv();

$td = mcrypt_module_open($cipher, "", $mode, "");

mcrypt_generic_init($td, $key, $iv);

$encrypted = mcrypt_generic($td, $data);

mcrypt_generic_deinit($td);

mcrypt_module_close($td);

$ret = base64_encode($encrypted);

}else{
$encryption_key = base64_decode($key);

$len = openssl_cipher_iv_length($cipher);

$iv = openssl_random_pseudo_bytes($len);

$encrypted = openssl_encrypt($data, $cipher, $encryption_key, 0, $iv);

$ret = base64_encode($encrypted . ‘::‘ . $iv);

}

return $ret;

}

public function decrypt($data){
$type = $this->type;

$cipher = $this->cipher;

$mode = $this->mode;

$key = $this->key;

if($type == 1){
$iv = $this->getiv();

$td = mcrypt_module_open($cipher,"",$mode,"");

mcrypt_generic_init($td, $key, $iv);

$decode = base64_decode($data);

$dencrypted = mdecrypt_generic($td, $decode);

mcrypt_generic_deinit($td);

mcrypt_module_close($td);

$ret = $dencrypted;

}else{
$encryption_key = base64_decode($key);

$arr = explode(‘::‘, base64_decode($data));

$encrypted_data = $arr[0];

$iv = $arr[1];

$ret = openssl_decrypt($encrypted_data, $cipher, $encryption_key, 0, $iv);

}

return $ret;

}

}

// $key = ‘abcdefg‘;

// $data = ‘你好 world‘;

// $aes = new aes($key,2);

// $encode = $aes->encrypt($data);

// echo $encode.PHP_EOL;

// $decode = $aes->decrypt($encode);

// echo $decode.PHP_EOL;