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Computer Security Resource Center

Computer Security Resource Center

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Key-derivation procedure

Definition(s):

  A procedure consisting of multiple steps and using an approved algorithm (e.g., a MAC algorithm) by which keying material is derived from a shared secret and other information.
Source(s):
NIST SP 800-56A Rev. 2 [Superseded]

  As used in this Recommendation, a multi-step process to derive secret keying material from a shared secret and other information.
Source(s):
NIST SP 800-56B Rev. 2

  As used in this Recommendation, a two-step key-derivation method consisting of randomness extraction followed by key expansion.
Source(s):
NIST SP 800-133 Rev. 2

  A multi-step process that uses an approved Message Authentication Code (MAC) algorithm to derive keying material from a shared secret and other information.
Source(s):
NIST SP 800-56B Rev. 1 [Superseded]