A Time-based One-Time Password (TOTP) is a type of two-factor authentication (2FA) method that generates a short-lived code used to verify a user's identity. The TOTP algorithm combines a shared secret key (known only to the server and the user) with the current time to produce a unique password that is valid for a brief period, usually 30 seconds.

Ancestors (6)

  1. Cryptographic algorithms
  2. Algorithms
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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