


The method I implemented is mainly to convert the key generated by java into a key in pem format that can be recognized by php. For other signatures and verifications, I use the built-in signature method of openssl.
The key generated by java is mainly a string; while the pem format key is a 64-bit line with a file format of the following header and tail, and then php obtains the corresponding pem format string.
pem format key
-----BEGIN PUBLIC KEY----- //64chars一行(多行) -----END PUBLIC KEY----- -----BEGIN RSA PRIVATE KEY----- //64chars一行(多行) -----END RSA PRIVATE KEY-----
1.java key converted to php code in pem format
/** * 将字符串格式公私钥格式化为pem格式公私钥 * @param $secret_key * @param $type * @return string */ public static function format_secret_key($secret_key, $type){ //64个英文字符后接换行符"\n",最后再接换行符"\n" $key = (wordwrap($secret_key, 64, "\n", true))."\n"; //添加pem格式头和尾 if ($type == 'pub') { $pem_key = "-----BEGIN PUBLIC KEY-----\n" . $key . "-----END PUBLIC KEY-----\n"; }else if ($type == 'pri') { $pem_key = "-----BEGIN RSA PRIVATE KEY-----\n" . $key . "-----END RSA PRIVATE KEY-----\n"; }else{ echo('公私钥类型非法'); exit(); } return $pem_key; }
2. Add signature
/** * RSA加签 * @param $paramStr * @param $priKey * @return string */ public static function sign($paramStr, $priKey){ $sign = ''; //将字符串格式公私钥转为pem格式公私钥 $priKeyPem = SignUtil::format_secret_key($priKey, 'pri'); //转换为openssl密钥,必须是没有经过pkcs8转换的私钥 $res = openssl_get_privatekey($priKeyPem); //调用openssl内置签名方法,生成签名$sign openssl_sign($paramStr, $sign, $res); //释放资源 openssl_free_key($res); //base64编码签名 $signBase64 = base64_encode($sign); //url编码签名 $sign = urlencode($signBase64); return $sign; }
3. Signature verification
/** * RSA验签 * @param $paramStr * @param $sign * @param $pubKey * @return bool */ public static function verify($paramStr, $sign, $pubKey) { //将字符串格式公私钥转为pem格式公私钥 $pubKeyPem = SignUtil::format_secret_key($pubKey, 'pub'); //转换为openssl密钥,必须是没有经过pkcs8转换的公钥 $res = openssl_get_publickey($pubKeyPem); //url解码签名 $signUrl = urldecode($sign); //base64解码签名 $signBase64 = base64_decode($signUrl); //调用openssl内置方法验签,返回bool值 $result = (bool)openssl_verify($paramStr, $signBase64, $res); //释放资源 openssl_free_key($res); //返回资源是否成功 return $result; }
The above example of php docking with java real-life signature verification is all the content shared by the editor. I hope it can give you a reference, and I hope you will support Script Home.

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