Learn about the two essential pieces of information used by FortiAuthenticator’s TOTP algorithm for secure two-factor authentication. Understand the role of time and seed in generating one-time passwords for your enterprise network.
Table of Contents
Question
When generating a TOTP for two-factor authentication, what two pieces of information are used by the algorithm to generate the TOTP?
A. UUID and time
B. Time and seed
C. Time and mobile location
D. Time and FortiAuthenticator serial number
Answer
B. Time and seed
Explanation
When generating a Time-based One-time Password (TOTP) for two-factor authentication, the algorithm uses two pieces of information: time and seed. The time is used as the basis for generating the one-time password, and the seed is a secret value that is shared between the client and server. The seed is used to ensure that the same password is not generated twice, even if the client and server are synchronized to different times.
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