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K

Definitions:

  HMAC key.
Sources:
NIST SP 800-107 Rev. 1 under K

  The secret key.
Sources:
NIST SP 800-38A under K

  The block cipher key.
Sources:
NIST SP 800-38B under K
NIST SP 800-38C under K
NIST SP 800-38D under K

  Keying material; a byte string.
Sources:
NIST SP 800-56B Rev. 2 under K

  The key to be determined
Sources:
NIST SP 800-133 Rev. 2 under K

  Kilo as Measuring Unit 103 = 1000
Sources:
NIST TN 2060 under K