/// <summary>
/// Verifies if a username and password are valid users
/// </summary>
/// <param name="username"></param>
/// <param name="password"></param>
/// <returns>boolean result</returns>
public static Boolean VerifyUsernamePassword(string username, string password)
{
DataSetTableAdapters.UsersTableAdapter usertableadapter = new DataSetTableAdapters.UsersTableAdapter();
DataSet.UsersDataTable data = usertableadapter.GetUserByUsername(username, true); //Get user with matching username
if (data != null && data.Count != 0) //check if user exists
{
DataSet.UsersRow user = data[0]; //get the userrow from the dataset
string input_hash = HashSaltPassword(password, user.PasswordSalt.ToString()); //input password gets hashed using the known salt
if (input_hash == user.PasswordHash.ToString().Trim())
{
return(true); //if existing hash and generated hash match, user is verified!
}
}
return(false); //for all other cases verification fails
}