csharp 哈希密码等字符串

Posted 2021-05-12

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

namespace RWD.Toolbox.PasswordHelper
{
    public interface IHashHelper
    {
        byte[] GenerateSalt();
        byte[] HashBytes(byte[] toBeHashed, byte[] salt, int numberOfRounds);
        string HashString(string toBeHashed, byte[] salt);
    }

    public class HashHelper : IHashHelper
    {
        public byte[] GenerateSalt()
        {
            var _random = new Random();
            var randomNumber = new byte[32];
            _random.NextBytes(randomNumber);
            return randomNumber;
        }

        public byte[] HashBytes(byte[] toBeHashed, byte[] salt, int numberOfRounds)
        {
            using (var rfc2898 = new Rfc2898DeriveBytes(toBeHashed, salt, numberOfRounds))
            {
                return rfc2898.GetBytes(32);
            }
        }

        public string HashString(string toBeHashed, byte[] salt)
        {
            salt = Encoding.UTF8.GetBytes("1TrnHEFDJT7SpUOIwRC94f9nYjMGLLQ8QvxG3RLuwYQ=");

            byte[] hashedPassword = HashBytes(Encoding.UTF8.GetBytes(toBeHashed), salt, 50000);

            return Convert.ToBase64String(hashedPassword);
        }

    }
}