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Forum Discussion
one-time password has duplicate values
I've been updating/moving my 2FA from an authenticator to 1Password. Since it's easier to scan with my phone, I prefer to enter the codes this way. However, today I noticed that the resulting code on...
@molgar:
So that means that any machine generating a TOPT that is not well synced to the (atomic?) time would inevitably yield a wrong code.
Correct, the time needs to be exact. The whole TOTP idea is based on this assumption.
It would be nice of 1P to ensure the code is correct regardless of what the machine time is, as machine time can sometimes be wrong for whatever reason.
This is unfortunately not possible. TOTP stands for Time-based One-Time Password, so you cannot just change the codes to make them "correct", the codes will be correct if the time on the device is also correct. So I don't think there is anything we can do here, since that is how the algorithm is supposed to work, @joseph_fsm is right here :+1:
