关于后端:最简单的RSA加密demo初学者的保姆级即抄即用

/**     * RSA加密     * @throws \Exception     */    public function fingerprintUnlock($eb64_cry)    {        header("Content-type: text/html; charset=utf-8");        define('RSA_PUBLIC', '-----BEGIN PUBLIC KEY-----MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDAQ6/3o5lP831fnwmfYr/AAc6QVvosbre**********************************************HawlTut6EVzkSlY1jQVw+5*********************TSsSdfeY5OWwGg8V+oHlUxPoobTi5bKdI941/FKarFh/tlg/TQIDAQAB-----END PUBLIC KEY-----');        define('RSA_PRIVATE','-----BEGIN PRIVATE KEY-----MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMBDr/ejmU/zfV+fCZ9iv8ABzpBW+ixut7FX4f7SIk+R/HDRYmNgCbgHHciGrofJ46kVcQYStoyKJJmEdrCVO6************************************************AaDxX6geVTE+ihtOLlsp0j3jX8UpqsWH+2WD9NAgMBAAECgYBYcosQDEXqPuRtSdd+aEo4BVzGkAy0xhZhUkGYHYlFO657JAf0GWk/LJ7p8fN2akz+Kuv81D0AeEiQCx0i7PQvp6naWBcRib7qoKyK3cUJmtMt6ovpmufLKd9+fgvQwEYcucoMUU+tvvhlERBEBJ54YsTU3cVtrY+fRQ********************************CWwp+RHPF83fjVTu+9eAfKN7YkcOAg459+ud+UxvsgyZh2JIFHtyOusNDYiQaX7PsCQQDbuce4BVJbhLAOUW+TKNLn/CEgd4UCVg9wDjY6NnJGYV75zCPmEDQMWVz56KraEsDA/GIPfAiBSgcLWhK6ekJXAkAxIHjF81jgqDj4UEUvxuRqUoYKgsPLPmxcF0QBlhcN9k5zlthefzgMkbloDHP7PXyZAEgPRlAm9jf3BZY/qPAjAkEAxBGuz14oVLQ9qjkvGCE4unw5T1B351LGada0uxN0u6sN5lgsvJI+77oahoMBWqGbUVqlYm3q5Pwa9x1EUxTf9wJBAM8WJEn+6oa0KipqEiezWX/zUy8KhAR+jv02YVOx0KE0eWDlie0yyV5h8PQ1WBuVvEutHw6qSvZ1NRs+uqnJ3b4=-----END PRIVATE KEY-----');//        //公钥加密//        $public_key = openssl_pkey_get_public(RSA_PUBLIC);//        if(!$public_key){//            die('公钥不可用');//        }////第一个参数是待加密的数据只能是string，第二个参数是加密后的数据,第三个参数是openssl_pkey_get_public返回的资源类型,第四个参数是填充形式//        $return_en = openssl_public_encrypt("好好学习，太逆天上", $crypted, $public_key);//        if(!$return_en){//            return('加密失败,请查看RSA秘钥');//        }//        $eb64_cry = base64_encode($crypted);//        echo "公钥加密数据：".$eb64_cry;//        echo "<hr>";        //私钥解密        $private_key = openssl_pkey_get_private(RSA_PRIVATE);        if(!$private_key){//            die('私钥不可用');            return false;        }        $return_de = openssl_private_decrypt(base64_decode($eb64_cry), $decrypted, $private_key);        if(!$return_de){//            return('解密失败,请查看RSA秘钥');            return false;        }        return $decrypted;//        echo "私钥解密数据:".$decrypted;//        echo "<hr>";//////        echo "<hr/>";//////        //私钥加密//        $private_key = openssl_pkey_get_private(RSA_PRIVATE);//        if(!$private_key){//            die('私钥不可用');//        }//        $return_en = openssl_private_encrypt("hello world222222", $crypted, $private_key);//        if(!$return_en){//            return('加密失败,请查看RSA秘钥');//        }//        $eb64_cry = base64_encode($crypted);//        echo "私钥加密数据".$eb64_cry;//        echo "<hr>";//////公钥解密//        $public_key = openssl_pkey_get_public(RSA_PUBLIC);//        if(!$public_key){//            die('公钥不可用');//        }//        $return_de = openssl_public_decrypt(base64_decode($eb64_cry), $decrypted, $public_key);//        if(!$return_de){//            return('解密失败,请查看RSA秘钥');//        }//        echo "公钥解密数据:".$decrypted;//        echo "<hr>";    }