PHP中使用OpenSSL下openssl_verify验证签名案例

使用OpenSSL那么需要先了解一下http://www.cnblogs.com/wt645631686/p/8390936.html

<?php

//demo

$json = '{"sign":"myYCvJqsDJUNX67qJnklrVY025oSQmm4D4bIVdHZQzihV+G8G848MmAAatAxCDuCmJbenI0jRZk7p22HjFT0nRykEeSmTExiT+Jx7\/2GQn5grEA3qd7i9gCPz\/E7+n9mleukLuJoXeceVp626c4gLZTKiPPcmbsJIfwfNexCBZXb2B7OmcgvPqRYki8b8aZy3E\/DDdFABOyXr+OEuswooYzz1ivdL+8tfWXhejs54UaeS0IscoWBYXj2Bws8lPpCzC3OCGZV1bErlM7VekfpoNMO\/KOpJpPp8kA838EBp7uD\/QMKJxf0KeS4qta7E3aWzrwwj97OUKkJOWA2CBFcfA==","pay_data":"{\"amount\":\"200\",\"pay_time\":\"1529975466\",\"appOrderId\":\"31801806260910429835893414\",\"orderId\":\"1000180626057312701\",\"uId\":\"2\",\"appGoodsId\":\"1\",\"test_id\":\"1\"}"}';

/**

* 验证签名

*/

private function _verify_code($json = '') {

        $sign         = $json['sign'];

        $data         = $json['data'];

        $data_arr     = json_decode($data, true);

        $test_id     = intval($date_arr['test_id']);

        if ($test_id == 1) {

            $publicKey = <<<EOF

-----BEGIN PUBLIC KEY-----

MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2hcmCgXI9zZXJKWvkWZa

F/3kuDahyjHud+hmAN1/JA86GMDK64hEPV4CTHYT+WLZu3uT21f/b8IiDpXUvnwf

OVW+QCk7b4aaaaaaaaaaaaaaaaaaaaaaaaaaaaaP/qAjutxByIcJyuy1JS/CuU2D

tvMVQ/pfV4r+99kRZ4pu+ZduD/yq5cEXZniQMnmtJI3TW389ESMyFaOzqclraDci

M1zBkm4rbcwUDJpm+Te6zoqSEy06Z0RR4HL2aOuBIDaCN7sodSmIpcA4xlI6n0z2

2Jq6K/yyOBGyj7unAbpS5iFuwEV5ICrAt9JezvgJ7wJIXWwxaXs4v+M/a87QiNZw

FQIDAQAB

-----END PUBLIC KEY-----

EOF;

        }else {

            $publicKey = <<<EOF

EOF;

        }

        $res = openssl_get_publickey($publicKey);

        $result = (bool)openssl_verify($data, base64_decode($sign), $res);

        openssl_free_key($res);

        return $result;  //bool

    }