如何仅在C#中获取RSACryptoServiceProvider公钥和私钥

问题描述：

我正在下面的代码下运行，仅获取公共密钥和私有密钥，但似乎它输出了整个XML格式.我只需要输出公钥和私钥演示

I am running below code to get public and private key only, but it seems it outputs the whole XML format. I only need to output the keys as shown in Public and Private Key demo

        static RSACryptoServiceProvider rsa;
        private RSAParameters _privateKey;
        private RSAParameters _publicKey;
        public RSACrypto()
        {
            rsa = new RSACryptoServiceProvider(2048);
            _privateKey = rsa.ExportParameters(true);
            _publicKey = rsa.ExportParameters(false);

        }
        public string GetPublicKeyString()
        {
            var sw = new StringWriter();
            var xs = new XmlSerializer(typeof(RSAParameters));
            xs.Serialize(sw, _publicKey);
            return sw.ToString();
        }
        public string GetPrivateKeyString()
        {
            var sw = new StringWriter();
            var xs = new XmlSerializer(typeof(RSAParameters));
            xs.Serialize(sw, _privateKey);
            return sw.ToString();
        }

答

Bouncycastle C#库具有一些帮助程序类，可以使此操作相对容易.不幸的是，它没有得到很好的记录.这是一个示例:

The Bouncycastle C# library has some helper classes that can make this relatively easy. It is not well documented unfortunately. Here is an example:

using System;
using System.IO;
using System.Security.Cryptography;
using Org.BouncyCastle.OpenSsl;
using Org.BouncyCastle.Security;

namespace ExportToStandardFormats
{
    class MainClass
    {

        public static void Main(string[] args)
        {
            var rsa = new RSACryptoServiceProvider(2048);
            var rsaKeyPair = DotNetUtilities.GetRsaKeyPair(rsa);
            var writer = new StringWriter();
            var pemWriter = new PemWriter(writer);
            pemWriter.WriteObject(rsaKeyPair.Public);
            pemWriter.WriteObject(rsaKeyPair.Private);
            Console.WriteLine(writer);
        }
    }
}

如何仅在C#中获取RSACryptoServiceProvider公钥和私钥

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