前端页面代码
传递到php后台的是公钥加密的数据
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<!-- 引入jsencrypt.js文件 -->
<script src="https://cdn.bootcss.com/jsencrypt/3.0.0-beta.1/jsencrypt.js"></script>
</head>
<body>
<script>
//公钥 PKCS8(JAVA适用)
var PUBLIC_KEY = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCersOB7cDJlBxzevEvd2IfFrwD62fxbaYRgsaPVC0QbfCaeeEq0MEv8YCQDY1JUK8p1DwFiioZG92wR3tKxWHaV205NUYWGL/pdB0SC0DSWW2wWC5zP3HtASavXDxEfNQszXrO+FPjq1Q+EYmujvquR1T5L3WLyWuciIuBHHwrCQIDAQAB';
//私钥
var PRIVATE_KEY ='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';
//PKCS1(非JAVA适用)
//var PUBLIC_KEY ='MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXn41kvOtvur5bwUMWMKv/VMEVldF9GUm0AD8FH9gZETDdbRvluSVocd8hSZu97NJwnsml0GgIR1ps4TtRhvkbPHgYOakfRFwl+icYbA0lbjg+udPWxICWfBkFi7KyTuV6Ts95BO09+ZLtbAKwTMEryD5pIctPvw5kmDmn7iuZYwIDAQAB';
//var PRIVATE_KEY ='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';
//使用公钥加密
var encrypt = new JSEncrypt();
encrypt.setPublicKey('-----BEGIN PUBLIC KEY-----' + PUBLIC_KEY + '-----END PUBLIC KEY-----');
var encrypted = encrypt.encrypt("张三666");
console.log('加密后数据:%o', encrypted);
//使用私钥解密 不需要可以删除，方便测试查看使用
var decrypt = new JSEncrypt();
decrypt.setPrivateKey('-----BEGIN RSA PRIVATE KEY-----'+PRIVATE_KEY+'-----END RSA PRIVATE KEY-----');
var uncrypted = decrypt.decrypt(encrypted);
console.log('解密后数据:%o', uncrypted); // 张三
//ajax 请求后台
$.ajax
({
url: "/index/Test/rsa",
dataType: "json",
type: "POST",
data: {
encrypted: encrypted,
},
success:function(res){
console.log(res); //解密后的数据
},
error:function(){
alert('failed!');
},
});
</script>
</body>
</html>
后台私钥php解密
public function rsa(){
if($this->request->isPost()){
$encrypted=$this->request->post('encrypted');
//私钥 PKCS8(JAVA适用)
$pri ='MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAJ6uw4HtwMmUHHN68S93Yh8WvAPrZ/FtphGCxo9ULRBt8Jp54SrQwS/xgJANjUlQrynUPAWKKhkb3bBHe0rFYdpXbTk1RhYYv+l0HRILQNJZbbBYLnM/ce0BJq9cPER81CzNes74U+OrVD4Ria6O+q5HVPkvdYvJa5yIi4EcfCsJAgMBAAECgYBtYD7obu3ExC98NdDLC/n5Pd1owjlKQ28FgOPGZZoOSglfIQVgUrXmiws3v++UCmZCacTZeKud1QRQfmTwW+8eyMs69IzVisLCc57ZR4m/0r16Llj7Z6PX8UgyvsvfpQNT5GSx4bY2eBZOESB7m2KxWzEpcN7cZMuqXzH1QbFcJQJBAPyrQh2gf3EudrrhtLf0J7I+ODGU/FzDPjyvPfxY/I7Zb9sytt8sPjMPUuPf09mmb+0zQOph4RyOLfGxNURMDZ8CQQCgxk7AmfEr++RhfIf31/e0tJcLC4tof4vM+8IaOt6EOFtk/eSpTYBnvscJbMgPAl9V09PbauvsK/0IXOdFvDZXAkEAkKFPZTob+SOJnwvXsHy3xFXNQMRxeH/iPkZpius9Fl/soWJ0P2dJ61xYLExRLgMRiouOGxwQCZJxRioTvZZzLQJAIxNgtxBe13O7HbGnkGDjv97uXRCFt6SsAWqjrElPppUNC3mA25b2/qtWjS3Yb73awsTWIbawBfSK3bo3ErW/PQJBAJ8lIMpBrZdirZ+syB/U2H/1Ay7kXhOFRSRy+XH5hsiD8wTm8IFiwwwPSH6WzrKugmfmLSTG7Z+3JxPg7tTk7Ho=';
//PKCS1(非JAVA适用) 解密不了
//$pri ='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';
//解密方式一
$pem = chunk_split($pri, 64, "\n");
$pem = "-----BEGIN PRIVATE KEY-----\n" . $pem . "-----END PRIVATE KEY-----\n";
$prikeyid = openssl_pkey_get_private($pem);
$crypttext = base64_decode($encrypted);
if (openssl_private_decrypt($crypttext, $sourcestr, $prikeyid, OPENSSL_PKCS1_PADDING))
{
$this->success('成功','',['后台解密结果'=> $sourcestr]);
}
//解密方式二，我用的fastadmin系统，自带了rsa解密类，如果系统没有请使用解密方式一
/* $rsa=new \fast\Rsa('',$pri);
$this->success('成功','',['后台解密结果'=> $rsa->privDecrypt($encrypted)]);*/
}
return $this->view->fetch();
}问题处理：
我这边测试的是PKS1的密钥前端js可以加密解密，但是php后台解密不了，提示 注意：我这边测试的是PKS1的密钥前端js可以加密解密，但是php后台解密不了，
报错：openssl_private_decrypt(): key parameter is not a valid private key
我用的是支付宝的开发助手生成的，所以选择的时候选择PKCS8
