使用.Net C#生成ECDH公钥和私钥

using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.EC;
using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;

public class ECDHKeyGenerator
{
    public static void Main()
    {
        // 选择椭圆曲线参数
        X9ECParameters curve = NistNamedCurves.GetByName("P-256");
        ECDomainParameters domainParams = new ECDomainParameters(curve.Curve, curve.G, curve.N, curve.H);

        // 生成密钥对
        ECKeyPairGenerator generator = new ECKeyPairGenerator();
        generator.Init(new ECKeyGenerationParameters(domainParams, new SecureRandom()));
        AsymmetricCipherKeyPair keyPair = generator.GenerateKeyPair();

        // 获取公钥和私钥
        ECPublicKeyParameters publicKey = (ECPublicKeyParameters)keyPair.Public;
        ECPrivateKeyParameters privateKey = (ECPrivateKeyParameters)keyPair.Private;

        // 将公钥和私钥转换为字节数组或Base64字符串等形式进行存储和传输

        // 公钥
        byte[] publicKeyBytes = publicKey.Q.GetEncoded();
        string publicKeyBase64 = Convert.ToBase64String(publicKeyBytes);
        Console.WriteLine("公钥：");
        Console.WriteLine(publicKeyBase64);

        // 私钥
        byte[] privateKeyBytes = privateKey.D.ToByteArrayUnsigned();
        string privateKeyBase64 = Convert.ToBase64String(privateKeyBytes);
        Console.WriteLine("私钥：");
        Console.WriteLine(privateKeyBase64);
    }
}