Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

Glossary

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Authentication, Authorization, And Accounting Key

Acronym(s):
AAAK
Definition(s):

  Used to derive the PMK. Used with the IEEE 802.1X authentication and key management approach.
Source(s): NIST SP 800-97

Synonym(s):
Master Session Key
  A key shared by all parties participating in an EAP method upon a successful protocol completion. The MSK may be exported to a lower layer and transported to an authenticator. The master session key may be derived from the master key or may be the master key.
Source(s): NIST SP 800-120
See Also:

None