问题描述
function get_RSAEncrypt($public_key) {
global $config;
$rsa = new PHPseclib\Crypt\RSA();
$rsa->setEncryptionMode(PHPseclib\Crypt\RSA::ENCRYPTION_PKCS1);
$rsa->loadKey($public_key);
$requestkey = base64_encode($rsa->encrypt($config['momo_key']));
return $requestkey;
}
我的公钥(例如)
-----BEGIN RSA PUBLIC KEY-----
MEgCQQDjtTNZJnbMWXON/mhhLzENzQW8TOH/gaOZ72u6FEzfjyWSfGsP6/rMIVjY
2w44ZyqNG2p45pgmp3Y8bquPAQGnAgMBAAE=
-----END RSA PUBLIC KEY-----
然后我尝试为 C# .NET Framework 4.6 找到一些示例,但没有成功。 有人可以给我一个链接吗?
解决方法
试试这个:
using System;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
class Test
{
static void Main()
{
var key = @"-----BEGIN RSA PRIVATE KEY-----
MIIBOgIBAAJBAKj34GkxFhD90vcNLYLInFEX6Ppy1tPf9Cnzj4p4WGeKLs1Pt8Qu
KUpRKfFLfRYC9AIKjbJTWit+CqvjWYzvQwECAwEAAQJAIJLixBy2qpFoS4DSmoEm
o3qGy0t6z09AIJtH+5OeRV1be+N4cDYJKffGzDa88vQENZiRm0GRq6a+HPGQMd2k
TQIhAKMSvzIBnni7ot/OSie2TmJLY4SwTQAevXysE2RbFDYdAiEBCUEaRQnMnbp7
9mxDXDf6AU0cN/RPBjb9qSHDcWZHGzUCIG2Es59z8ugGrDY+pxLQnwfotadxd+Uy
v/Ow5T0q5gIJAiEAyS4RaI9YG8EWx/2w0T67ZUVAw8eOMB6BIUg0Xcu+3okCIBOs
/5OiPgoTdSy7bcF9IGpSE8ZgGKzgYQVZeN97YE00
-----END RSA PRIVATE KEY-----";
var ciphertext = "L812/9Y8TSpwErlLR6Bz4J3uR/T5YaqtTtB5jxtD1qazGPI5t15V9drWi58colGOZFeCnGKpCrtQWKk4HWRocQ==";
var ciphertextBytes = Convert.FromBase64String(ciphertext);
var rsa = RSA.Create();
var rx = new Regex("-+[^-]+-+");
key = rx.Replace(key,"")
.Replace("\r","")
.Replace("\n","");
var keyBytes = Convert.FromBase64String(key);
rsa.ImportRSAPrivateKey(keyBytes,out _);
var plaintextBytes = rsa.Decrypt(ciphertextBytes,RSAEncryptionPadding.Pkcs1);
var plaintext = Encoding.Default.GetString(plaintextBytes);
Console.WriteLine(plaintext);
}
}
ImportRSAPrivateKey
直到 .NET Core 3.0+ 才被引入,但由于您使用的是 C# .NET Framework 4.6,我认为您可能很好!