C# 简单的MD5加密

 class Program
    {
        static void Main(string[] args)
        {
            try
            {
                while (true)
                {
                    Console.WriteLine("***********  输入字符串进行 MD5 加密 按回车继续   ***************************************");
                    Console.WriteLine("请输入一个字符串");
                    string str = Console.ReadLine();
                    Console.WriteLine("加密过后的数据为");
                    Console.WriteLine(MD5Setting(str));
                    Console.WriteLine("");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("出错咯:" + ex.Message);
            }
        }

        static string MD5Setting(string str)
        {
            StringBuilder sb = new StringBuilder();
            using (MD5 md5 = MD5.Create())
            {
                byte[] bytes = System.Text.Encoding.UTF8.GetBytes(str);
                byte[] md5Bytes = md5.ComputeHash(bytes);
                for (int i = 0; i < md5Bytes.Length; i++)
                {
                    sb.Append(md5Bytes[i].ToString("X2"));
                }
            }
            return sb.ToString();
        }
    }