SALT+HASH撒盐加密

#region 撒盐加密string salt = Guid.NewGuid().ToString();byte[] passwordAndSaltBytes = System.Text.Encoding.UTF8.GetBytes(model.Password + salt);byte[] hashBytes = new System.Security.Cryptography.SHA256Managed().ComputeHash(passwordAndSaltBytes);string hashString = Convert.ToBase64String(hashBytes);model.Password = hashString;model.Salt = salt;#endregion#region 撒盐解密，用户存在的情况下string _salt = model.Salt;string password = "123456";//用户输入的数据，获取过来byte[] _passwordAndSaltBytes = System.Text.Encoding.UTF8.GetBytes(password + salt);byte[] _hashBytes = new System.Security.Cryptography.SHA256Managed().ComputeHash(_passwordAndSaltBytes);string _hashString = Convert.ToBase64String(_hashBytes);if (_hashString==model.Password){return Json(new{error=0,msg="验证成功"});}#endregion

 

看到个高级的关于撒盐的网址 http://blog.jobbole.com/61872/#article-comment