SALT+HASH撒鹽加密

#region 撒鹽加密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 撒鹽解密，用戶存在的情況下string _salt = model.Salt;string password = "123456";//用戶輸入的數據，獲取過來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="驗證成功"});}#endregion

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看到個高級的關于撒鹽的網址 http://blog.jobbole.com/61872/#article-comment