public static void ConvertPlainPasswordToHashPasswordInAllUsers() { TRAVEL_WEBDataContext datacontext = new TRAVEL_WEBDataContext(); var taikhoans = from t in datacontext.TAI_KHOANs select t; foreach (TAI_KHOAN tk in taikhoans) { tk.Salt = CryptographicHelper.CreateSalt(); if (String.IsNullOrEmpty(tk.Password)) { tk.Password = Membership.GeneratePassword(10, 3); } tk.Password = CryptographicHelper.CreatePasswordHash(tk.Password, tk.Salt); } datacontext.SubmitChanges(); }
public override bool ValidateUser(string username, string password) { TRAVEL_WEBDataContext dataContext = new TRAVEL_WEBDataContext(); var user = from u in dataContext.TAI_KHOANs where u.Username == username select u; if (user.Count() == 1) { TAI_KHOAN tk = user.Single(); if (tk.Password.Equals(CryptographicHelper.CreatePasswordHash(password, tk.Salt))) { return(true); } } return(false); }
public override string ResetPassword(string username, string answer) { string newPassword = ""; TRAVEL_WEBDataContext dataContext = new TRAVEL_WEBDataContext(); var user = from u in dataContext.TAI_KHOANs where u.Username == username select u; if (user.Count() == 1) { //newPassword = CryptographicHelper.GenerateKey(); newPassword = Membership.GeneratePassword(10, 3); TAI_KHOAN tk = user.Single(); tk.Password = CryptographicHelper.CreatePasswordHash(newPassword, tk.Salt); dataContext.SubmitChanges(); } return(newPassword); }
public override bool ChangePassword(string username, string oldPassword, string newPassword) { TRAVEL_WEBDataContext dataContext = new TRAVEL_WEBDataContext(); var user = from u in dataContext.TAI_KHOANs where u.Username == username select u; if (user.Count() == 1) { TAI_KHOAN tk = user.Single(); oldPassword = CryptographicHelper.CreatePasswordHash(oldPassword, tk.Salt); newPassword = CryptographicHelper.CreatePasswordHash(newPassword, tk.Salt); if (oldPassword == tk.Password && oldPassword != newPassword) { tk.Password = newPassword; dataContext.SubmitChanges(); return(true); } } return(false); }