/// <summary>
/// Remaining seconds in current window
/// </summary>
/// <param name="timestamp">The timestamp</param>
/// <returns>Number of remaining seconds</returns>
public int RemainingSeconds(DateTime timestamp)
{
return(UnixTimestampHelper.RemainingSecondsForSpecificTime(correctedTime.GetCorrectedTime(timestamp), step));
}
private bool VerifyTotpForSpecificTime(DateTime timestamp, string totp, VerificationWindow window, out long timeStepMatched)
{
var initialStep = UnixTimestampHelper.CalculateTimeStepFromTimestamp(timestamp, step);
return(Verify(initialStep, totp, out timeStepMatched, window));
}
/// <summary>
/// Remaining seconds in current window based on UtcNow
/// </summary>
/// <remarks>
/// It will be corrected against a corrected UTC time using the provided time correction. If none was provided then simply the current UTC will be used.
/// </remarks>
/// <returns>Number of remaining seconds</returns>
public int RemainingSeconds()
{
return(UnixTimestampHelper.RemainingSecondsForSpecificTime(correctedTime.CorrectedUtcNow, step));
}
private string ComputeTotpFromSpecificTime(DateTime timestamp)
{
var window = UnixTimestampHelper.CalculateTimeStepFromTimestamp(timestamp, step);
return(Compute(window, hashMode));
}