在C#中实现RSA

using System;
using System.Security.Cryptography;
using System.Text;

namespace RSAExample
{
    class Program
    {
        static void Main(string[] args)
        {
            string originalText = "Hello, world!";
            byte[] encryptedData;
            byte[] decryptedData;

            // 创建RSA对象
            using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
            {
                // 将公钥和私钥导出为XML字符串
                string publicKeyXml = rsa.ToXmlString(false);
                string privateKeyXml = rsa.ToXmlString(true);

                // 加密数据
                byte[] dataToEncrypt = Encoding.UTF8.GetBytes(originalText);
                encryptedData = rsa.Encrypt(dataToEncrypt, true);

                // 解密数据
                byte[] dataToDecrypt = encryptedData;
                decryptedData = rsa.Decrypt(dataToDecrypt, true);
            }

            // 输出结果
            Console.WriteLine("Original text: " + originalText);
            Console.WriteLine("Encrypted data: " + Convert.ToBase64String(encryptedData));
            Console.WriteLine("Decrypted data: " + Encoding.UTF8.GetString(decryptedData));
        }
    }
}