RSA加密解密生成签名及验证签名

class MpLobbySn {

       public static $public;
       public static $private;

public function __construct($public = '',$private = ''){

if($public){

self::$public = openssl_get_publickey($public);
}

if($private){

               self::$private = openssl_get_privatekey($private);
           }

}

       //超长加密
       public static function SuperLongPublicKeyEncrypt($content){
           $data = str_split($content,117);
           foreach($data as $value){
               openssl_public_encrypt($value,$back_value,self::$public);
               $result .= $back_value;
           }
           return base64_encode($result);
       }

       //超长解密
       public static function SuperLongPrivateKeyDecrypt($content){
           $data = base64_decode($content);
           $data_arr = str_split($data,128);
           foreach($data_arr as $values){
               openssl_private_decrypt($values,$sstr,self::$private);
               $results .= $sstr;
           }

           return $results;
       }

       //生成签名
       public static function Signkey($data){
           $res = false;

           if(openssl_sign($data, $res_sgin, self::$private)){
               $res = base64_encode($res_sgin);
           }

   return $res;
       }

//验证签名
public static function Verifykey($data,$sgin){

$sgin_str = base64_decode($sgin);

$bool = (bool)openssl_verify($data, $sgin_str, self::$public);

           return $bool;
       }

       //释放资源
       public function __destruct(){

           openssl_free_key(self::$public);
           openssl_free_key(self::$private);
       }

}

new MpLobbySn(self::$publickey,self::$privatekey); //传公密钥
$content = MpLobbySn::SuperLongPublicKeyEncrypt($data); //调用加密

MpLobbySn::SuperLongPrivateKeyDecrypt($content); //调用加密
$sign = MpLobbySn::Signkey($data); //生成签名

$bool = MpLobbySn::Verifykey($data,$sign); //验证签名

来源：oschina

链接：https://my.oschina.net/u/3329393/blog/3080836

标签

OpenSSL