MD5加密 及获得密码盐

MD5加密 及获得密码盐

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace WinForm_UserInfo
{
    public class EncryptPwd
    {
        /// <summary>
        /// 获取密码盐
        /// </summary>
        /// <returns>返回密码盐</returns>
        public static string GetPwdSalt()
        {
            string pwdSalt = ConfigurationManager.AppSettings["pwdSalt"];
            return pwdSalt;
        }

        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="str">原始密码</param>
        /// <returns>加密密码</returns>
        public static string EncryptPassword(string str)
        {
            byte[] bytes = Encoding.Default.GetBytes(str);
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] newBytes = md5.ComputeHash(bytes);
            string newStr = BitConverter.ToString(newBytes).Replace("-","");
            return newStr;
        }
    }
}