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2. HMAC-based one-time password - Wikipedia

   en.wikipedia.org/wiki/HMAC-based_one-time_password

   HMAC-based one-time password (HOTP) is a one-time password (OTP) algorithm based on HMAC. It is a cornerstone of the Initiative for Open Authentication (OATH). HOTP was published as an informational IETF RFC 4226 in December 2005, documenting the algorithm along with a Java implementation. Since then, the algorithm has been adopted by many ...

3. Random password generator - Wikipedia

   en.wikipedia.org/wiki/Random_password_generator

   Random password generator. A random password generator is a software program or hardware device that takes input from a random or pseudo-random number generator and automatically generates a password. Random passwords can be generated manually, using simple sources of randomness such as dice or coins, or they can be generated using a computer.

4. Key (cryptography) - Wikipedia

   en.wikipedia.org/wiki/Key_(cryptography)

   A password is less safe than a cryptographic key due to its low entropy, randomness, and human-readable properties. However, the password may be the only secret data that is accessible to the cryptographic algorithm for information security in some applications such as securing information in storage devices. Thus, a deterministic algorithm ...

5. OTPW - Wikipedia

   en.wikipedia.org/wiki/OTPW

   OTPW. OTPW is a one-time password system developed for authentication in Unix-like operating systems by Markus Kuhn. [1] A user's real password is not directly transmitted across the network. Rather, a series of one-time passwords is created from a short set of characters (constant secret) and a set of one-time tokens.

6. Time-based one-time password - Wikipedia

   en.wikipedia.org/wiki/Time-based_One-Time_Password

   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 algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238 .

7. Password strength - Wikipedia

   en.wikipedia.org/wiki/Password_strength

   Systems that use passwords for authentication must have some way to check any password entered to gain access. If the valid passwords are simply stored in a system file or database, an attacker who gains sufficient access to the system will obtain all user passwords, giving the attacker access to all accounts on the attacked system and possibly other systems where users employ the same or ...