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Time-based one-time password

Authentication algorithm

Nº Q166066 ★★★

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Time-based one-time password

Authentication algorithm

Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password (HOTP) algorithm, it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238.

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From Wikipedia

Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password (HOTP) algorithm, it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238. TOTP is a cornerstone of the Initiative for Open Authentication (OATH) and is used in a number of two-factor authentication (2FA) systems.

Text: Wikipédia, CC BY-SA 4.0. ·

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