Overview#

Authenticator Assurance Levels (AAL also seen as Authentication Assurance Levels) is intended to provide some confidence in the Authentication provided by Identity Provider (IDP) to a Relying Party at some desired Level Of Assurance

Authenticator Assurance Levels is discussed in NIST.SP.800-63B and

LEVELDescription
AAL1Provides some assurance that the claimant controls the Claim
requires at least single-factor authentication.
AAL2Provides high confidence that the claimant controls Claim
two different authentication factors are required
approved cryptographic techniques are required.
AAL3Provides very high confidence that the claimant controls the Claim
authentication based on Proof-of-Possession of a key through a cryptographic protocol
requires a “hardcryptographic authenticator.

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« This page (revision-10) was last changed on 04-Apr-2017 08:39 by jim