AES加解密类源码 · ThinkPHP5高阶实战教程 --诠释为API开发而生

# AES加解密类源码 > 根据网络整理 ~~~ <?php /** * Created by PhpStorm. * Power by Mikkle * QQ:776329498 * Date: 2017/7/3 * Time: 20:48 */ namespace app\base\controller; class AES { /** * AES加密、解密类 * 用法： * <pre> * // 实例化类 * // 参数$_bit：格式，支持256、192、128，默认为128字节的 * // 参数$_type：加密/解密方式，支持cfb、cbc、nofb、ofb、stream、ecb，默认为ecb * // 参数$_key：密钥，默认为 _Mikkle_AES_Key_ * $tcaes = new TCAES(); * $string = 'laohu'; * // 加密 * $encodeString = $tcaes->encode($string); * // 解密 * $decodeString = $tcaes->decode($encodeString); * </pre> */ private $_bit = MCRYPT_RIJNDAEL_256; private $_type = MCRYPT_MODE_CBC; private $_key = '_Mikkle_AES_Key_'; // 密钥必须16位 24位 private $_use_base64 = true; private $_iv_size = null; private $_iv = null; /** * @param string $_key 密钥 * @param int $_bit 默认使用128字节 * @param string $_type 加密解密方式 * @param boolean $_use_base64 默认使用base64二次加密 */ public function __construct($_key = '', $_bit = 128, $_type = 'ecb', $_use_base64 = true){ // 加密字节 if(192 === $_bit){ $this->_bit = MCRYPT_RIJNDAEL_192; }elseif(128 === $_bit){ $this->_bit = MCRYPT_RIJNDAEL_128; }else{ $this->_bit = MCRYPT_RIJNDAEL_256; } // 加密方法 if('cfb' === $_type){ $this->_type = MCRYPT_MODE_CFB; }elseif('cbc' === $_type){ $this->_type = MCRYPT_MODE_CBC; }elseif('nofb' === $_type){ $this->_type = MCRYPT_MODE_NOFB; }elseif('ofb' === $_type){ $this->_type = MCRYPT_MODE_OFB; }elseif('stream' === $_type){ $this->_type = MCRYPT_MODE_STREAM; }else{ $this->_type = MCRYPT_MODE_ECB; } // 密钥 if(!empty($_key)){ $this->_key = $_key; } // 是否使用base64 $this->_use_base64 = $_use_base64; $this->_iv_size = mcrypt_get_iv_size($this->_bit, $this->_type); $this->_iv = mcrypt_create_iv($this->_iv_size, MCRYPT_RAND); } /** * 加密 * @param string $string 待加密字符串 * @return string */ public function encode($string){ // if(MCRYPT_MODE_ECB === $this->_type){ $encodeString = mcrypt_encrypt($this->_bit, $this->_key, $string, $this->_type); }else{ $encodeString = mcrypt_encrypt($this->_bit, $this->_key, $string, $this->_type, $this->_iv); } if($this->_use_base64){ $encodeString = base64_encode($encodeString); } return $encodeString; } /** * 解密 * @param string $string 待解密字符串 * @return string */ public function decode($string){ if($this->_use_base64){ $string = base64_decode($string); } if(MCRYPT_MODE_ECB === $this->_type){ $decodeString = mcrypt_decrypt($this->_bit, $this->_key, $string, $this->_type); }else{ $decodeString = mcrypt_decrypt($this->_bit, $this->_key, $string, $this->_type, $this->_iv); } return $decodeString; } } ~~~