php开发aes加密总结

<?php ???class aes{
 ????????????/** ????????* 通过AES加密请求数据 ????????* ?????????* @param array $query ????????* @return string ????????*/ ???????function AESEncryptRequest($encryptKey, $query){ ???????????return $this->encrypt_pass($query,$encryptKey); ???????????????????} ???????// 加密 ???????function encrypt_pass($input, $key) { ???????????$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); ???????????$input = $this->pkcs5_pad($input, $size); ???????????$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, ‘‘, MCRYPT_MODE_CBC, ‘‘); ???????????$iv = ‘0102030405060708‘; ???????????mcrypt_generic_init($td, $key, $iv); ???????????$data = mcrypt_generic($td, $input); ???????????mcrypt_generic_deinit($td); ???????????mcrypt_module_close($td); ???????????$data = base64_encode($data); ???????????return $data; ???????} ???????//填充 ???????function pkcs5_pad ($text, $blocksize) { ???????????$pad = $blocksize - (strlen($text) % $blocksize); ???????????return $text . str_repeat(chr($pad), $pad); ???????} ???????????/** ????????* 通过AES解密请求数据 ????????* ?????????* @param array $query ????????* @return string ????????*/ ???????function AESDecryptResponse($encryptKey,$data){ ???????????return $this->decrypt_pass($data,$encryptKey); ???????????????????} ???????// 解密 ???????function decrypt_pass($sStr, $sKey) { ???????????$iv = ‘0102030405060708‘; ???????????$decrypted= mcrypt_decrypt( ???????????????MCRYPT_RIJNDAEL_128, ???????????????$sKey, ???????????????base64_decode($sStr), ???????????????MCRYPT_MODE_CBC, ???????????????$iv ???????????); ???????????$dec_s = strlen($decrypted); ???????????$padding = ord($decrypted[$dec_s-1]); ???????????$decrypted = substr($decrypted, 0, -$padding); ???????????return $decrypted; ???????} ??????}