Скачать или смотреть HOTP - HMAC-based One-time Password

HOTP, or HMAC-based One-Time Password, is a time-independent one-time password algorithm that uses a cryptographic hash function and a shared secret key to generate one-time passwords. It is widely used for two-factor authentication and is part of the OATH (Initiative for Open Authentication) standard.

Security+ may cover the principles of two-factor authentication and the use of one-time passwords. Understanding the basic operation of algorithms like HOTP, including the role of the shared secret key and cryptographic hash function, contributes to a broader understanding of authentication mechanisms in the context of the Security+ exam.  



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