Challenge-Handshake Authentication Protocol: Difference between revisions

Revision as of 20:37, 23 October 2014

Revision as of 14:01, 5 December 2014

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# After the completion of the link establishment phase, the authenticator sends a "challenge" message to the peer.

# The peer responds with a value calculated using a [[one-way function|one-way hash function]] on the challenge and the secret combined.

# The authenticator checks the response against its own calculation of the expected hash value. If the values matchmatches, the authenticator acknowledges the authentication; otherwise it should terminate the connection.

# At random intervals the authenticator sends a new challenge to the peer and repeats steps 1 through 3.