Authentication Factor/Method/Mechanism
- is how one verifies the identity to another party
Authentication Factor - Categories
- knowledge factors
- possession factors
- inherence factors
- location factors
- behavior factors
- etc
Authentication Factor - Methods/Mechanisms
non-cryptographic
- password based
- password as cryptographic key
- IP Address based
- biometric based
cryptographic (when there are multiple keys maybe consider incorporating Trusted Intermediaries)
- secret-key based
- keyed cryptographic hash function based
- private-key based
- token based - usually incorporating any of the above 3 cryptographic methods