架构师训练营第 11 周课后练习

namespace Geektime.PasswordHash{    using System;    using System.Security.Cryptography;    using System.Text;
    class Program    {        static void Main(string[] args)        {            var userId = "1234";            var passwordClearText = "P@ssw0rd";            var passowordHash = "zcTD9O+VRD5KgMK9xgY7jg==";
            var isMatch = CheckPassword(userId, passwordClearText, passowordHash);            Console.WriteLine(isMatch);        }
        static bool CheckPassword(string userId, string passwordClearText, string passwordHash)        {            var saltedPassword = $"{userId}:{passwordClearText}";            var hashAlgo = HashAlgorithm.Create("MD5");            var rawHash = hashAlgo.ComputeHash(Encoding.UTF8.GetBytes(saltedPassword));            var expectedHash = Convert.ToBase64String(rawHash);            return passwordHash == expectedHash;        }    }}