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Authentication protocol

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Definition Edit

An authentication protocol is

[a] well specified message exchange process that verifies possession of a token to remotely authenticate a claimant. Some authentication protocols also generate cryptographic keys that are used to protect an entire session, so that the data transferred in the session is cryptographically protected.[1]
[a] defined sequence of messages between a Claimant and a Verifier that demonstrates that the Claimant has possession and control of a valid token to establish his/her identity, and optionally, demonstrates to the Claimant that he or she is communicating with the intended Verifier.[2]

References Edit

  1. NIST Special Publication 800-63, at 4.
  2. CNSSI 4009, at 9.

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