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The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.
A time-based one-time password (TOTP) is a code that changes every few seconds based on the current time. It is used for two-factor authentication (2FA) and is part of the OATH standard.
Learn what a message authentication code (MAC) is, how it works, and why it is used for authenticating and integrity-checking messages. Compare MAC with cryptographic hash functions, digital signatures, and other cryptographic primitives.
Learn how to turn off 2-step verification and receive a verification code to sign into your AOL account. You can use phone verification or authenticator app verification to add an extra security step.
RSA SecurID is a product by RSA that generates one-time passwords for network access. It uses a token with a built-in clock and a seed key, and requires a PIN or a ...
A one-time password (OTP) is a password that is valid for only one login session or transaction, on a computer system or other digital device. OTPs avoid several shortcomings that are associated with traditional (static) password-based authentication and can be generated using different algorithms and methods.
HOTP is a standard method of generating human-readable passwords for authentication, based on HMAC and a secret key. Learn how HOTP works, its parameters, tokens, and reception in the computer security industry.
Multi-factor authentication (MFA) is an electronic authentication method that requires users to present two or more pieces of evidence to access a website or application. MFA protects personal data from unauthorized access and uses factors such as something the user has, knows, or is.