public void GetUnixTicks_WhenTimeIsLocal_ItIsChangedToUtc()
{
var unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
var localTime = ChangeTimeToLocal(unixEpoch);
Assert.AreEqual(0, UnixTime.GetUnixTicks(localTime));
}
/// <summary>
/// TOTP = HOTP(K, T), where T is an integer and represents the number of time
/// steps between the initial countertime T0 and the current Unix time.
/// </summary>
/// <param name="key"></param>
/// <param name="time"></param>
/// <returns></returns>
public string GenerateOtp(byte[] key, DateTime time)
{
if (time < UnixTime.UnixEpochDate)
{
throw new ArgumentOutOfRangeException("time", "Time cannot be less than unix epoch");
}
var stepsSinceUnixEpoch = (long)(UnixTime.GetUnixTicks(time) / DefaultTimeStep);
return(_hotp.GenerateOtp(key, stepsSinceUnixEpoch));
}
public void GetUnixTicks_ReturnsPassedTicks()
{
var unixEpoch = new DateTime(2016, 6, 13, 16, 18, 33, DateTimeKind.Utc);
Assert.AreEqual(1465834713, UnixTime.GetUnixTicks(unixEpoch));
}
