MD5和SHA1加密算法实现与示例

namespace MD5_App
{
    class Program
    {
        static void Main(string[] args)
        {
            string strSrc = "How are you?";
            Console.WriteLine("原文：" + strSrc);
            Console.WriteLine();

            Console.WriteLine("MD5哈希值：" + MD5_Hash(strSrc));
            Console.WriteLine();

            Console.WriteLine("SHA1哈希值：" + SHA1_Hash(strSrc));
            Console.WriteLine();
        }

        //MD5
        static public string MD5_Hash(string str_md5_in)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] bytes_md5_in = UTF8Encoding.Default.GetBytes(str_md5_in);
            byte[] bytes_md5_out = md5.ComputeHash(bytes_md5_in);
            string str_md5_out = BitConverter.ToString(bytes_md5_out);
            return str_md5_out;
        }

        //SHA1
        static public string SHA1_Hash(string str_sha1_in)
        {