php RSA公钥私钥加解密和验证用法
原来来自:第一夫人:https://www.cnblogs.com/firstlady/p/11327204.html
现在很多项目中会使用到rsa加解密和验证相关的技术,分别整理代码如下,方便记忆和使用。
【签名和验证】
1 //获得签名
2 function getSign($data) {
3 $pem = 'my_rsa_private_key.pem';
4 $privateKey = openssl_get_privatekey(file_get_contents($pem));
5 openssl_sign($data, $sign, $privateKey);
6 openssl_free_key($privateKey);
7 return base64_encode($sign);
8 }
9 //验证签名
10 function checkSign($data, $sign) {
11 $pem = 'my_rsa_public_key.pem';
12 $publicKey = openssl_get_publickey(file_get_contents($pem));
13 $result = openssl_verify($data, $sign, $publicKey);
14 openssl_free_key($publicKey);
15 return $result;
16 }
17 $signData = 'php-rsa';
18 $getSign = getSign($data);
19 $checkSign = checkSign($data, base64_decode($sign));
20 echo '签名数据:'.$signData;
21 echo '获得签名:'.$getSign;
22 echo '验证签名:'.$checkSign;
运行结果如下:
签名数据:php-rsa
签名结果:LOVAjWTgHeUvJIK0scVOQO2VlId+1qEuUc70cb7Z/dyMONpheldefkKJXZDF9HelTz/UnwEd00Tre698VGN1IX/sV7WTQJFCY+ypArfNx9mCzaEhMt0U60yGkIPh8wXqNG10YhgzPIw3Lvd/36FnRlTBXOZeJMbxFxhdJmSdeOQ=
验证签名:1
【数据加解密】
1 //加密数据
2 function sslEncrypt($source, $type, $key) {
3 $maxlength = 117;
4 $output = '';
5 while ($source) {
6 $input = substr($source, 0, $maxlength);
7 $source = substr($source, $maxlength);
8 if ($type == 'private') {
9 $ok = openssl_private_encrypt($input, $encrypted, $key);
10 } else {
11 $ok = openssl_public_encrypt($input, $encrypted, $key);
12 }
13 $output .= $encrypted;
14 }
15 return $output;
16 }
17 //解密数据
18 function sslDecrypt($source, $type, $key) {
19 $maxlength = 128;
20 $output = '';
21 while ($source) {
22 $input = substr($source, 0, $maxlength);
23 $source = substr($source, $maxlength);
24 if ($type == 'private') {
25 $ok = openssl_private_decrypt($input, $out, $key);
26 } else {
27 $ok = openssl_public_decrypt($input, $out, $key);
28 }
29 $output .= $out;
30 }
31 return $output;
32 }
33 $data = 'php-rsa';
34 $privatekey = openssl_get_privatekey(file_get_contents('my_rsa_private_key.pem'));
35 $publickey = openssl_get_publickey(file_get_contents('my_rsa_public_key.pem'));
36 $sign = base64_encode(sslEncrypt($data, 'private', $privatekey));
37 $jiemi = sslDecrypt(base64_decode($sign), 'public', $publickey);
38 echo '加密数据:'.$data;
39 echo '加密结果:'.$sign;
40 echo '解密数据:'.$jiemi;
运行结果如下:
加密数据:php-rsa
加密结果:aMCpl34vXbofR7a3OPPLElQg6jwG+xbdIsdfYGeVPtIhVp0INMu/0p9M8h+JiBBmGL/WVY9ynbrvNH6QtLXDoW23rm6EWPPKn53EIqt/9jM/fDX8EyaAvhIuaSJ2Q7dxz4hNF+Ykm0XZ5ytsCB71zYVPYfaHyo3Xk+VkZ/JvznE=
解密数据:php-rsa