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What is Time Based One Time Password (TOTP)? – Definition, and More

What is Time Based One Time Password (TOTP)? - Definition, and More

TOTP Definition

The TOTP process is an extension of the HOTP, which generates a unique password by taking the uniqueness of the current time.

TOTP token services depend on a physical device, rather than a telephone number.

In addition to increased security, TOTP provides benefits that include working without an Internet connection.

And also, it has compatibility with a variety of applications such as Google Authenticator, Microsoft Authenticator, and password managers.

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How is the time-based one-time password algorithm work?

What is the Difference between HOTP and TOTP?

  1. In addition to TOTP, the so-called HMAC-based One-time Password (HOTP) is another method for generating one-time passwords.
  2. To generate the one-time password to the secret key, it is not the rounded second value, but it uses an event-controlled counter.
  3. The counter increases by one for the generation of each new password. The counter on the server also increases after each successful authentication.
  4. Since the counters can diverge with this method and it cannot be synchronized, and the servers generally accept a number of one-time passwords.
  5. Only when the one-time password is outside the window does the authentication fail.

What is the Use of the TOTP algorithm for two-factor authentication?

TOTP often used to create a further authentication feature in the context of two-factor authentication.

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