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A key used as an input to a key-derivation method to derive other keys. See [SP 800-108].
NIST SP 800-133
A key used with a key-derivation function or method to derive additional keys. Sometimes called a master key.
NIST SP 800-57 Part 1 Rev. 4
See Key-derivation key.
NIST SP 800-57 Part 1 Rev. 3 under Master key [Superseded]
NIST SP 800-57 Part 1 Rev. 4 under Master key
A key used with a key-derivation function or method to derive additional keys. Also called a master key.
NIST SP 800-57 Part 1 Rev. 3 [Superseded]
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