2FA

The following is a list of pages on this site that are tagged with 2fa.

Two Factor Authentication

Setting aside the fact that smartcards and other cryptographic devices constitute "two factor" authentication, the term is often used to refer to a large class of personal authentication devices that generate a pass phrase or other login code, used to access online resources. There are three important sub-classes:

Time Syncronised One Time Password: every thirty seconds or so, the device generates a fresh pseudo random one time password. The pseudo random number generator is seeded uniquely for each specific device.

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Other Identity Technologies

A number of mechanisms apart from PKI may be used to authenticate people and entities online.

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