C# 使用X.509/SPKI格式的RSA密钥加密,PEM编码PKCS#1填充
我有一些PHP代码:C# 使用X.509/SPKI格式的RSA密钥加密,PEM编码PKCS#1填充,c#,encryption,rsa,phpseclib,C#,Encryption,Rsa,Phpseclib,我有一些PHP代码: 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
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)
PHP代码工作
然后,我试图为C#.NET Framework 4.6找到一些示例,但没有成功。
有人能给我一个链接吗?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+才推出,但由于您使用的是C#.NET Framework 4.6,我认为您可能很好 这是PKCS#1格式(PEM编码)的公开RSA密钥,.NET Framework不支持该密钥。可以导入,例如使用BouncyCastle。但是,发布的密钥只有512位,因此不安全。现在使用2048位密钥。@Topaco用于长期保密的加密,我建议使用4096位RSA密钥,只要后量子算法不常见。Super先生,请注意,对样本的请求被认为是离题的。在这种情况下,我不介意太多,但是下次你可能想考虑这个问题,至少用不同的方式来表达这个问题(例如“我怎么能……”)。是的,非常感谢。密钥是由另一个系统提供的,所以我需要使用它。顺便说一句,我试过BouncyCastle。我在这篇文章中提到了一个错误。请帮我看看这个。谢谢兄弟@托帕科哦,对不起!我想念你的链接。成功了!非常感谢兄弟!
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);
}
}