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Computer Security Resource Center

Computer Security Resource Center

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Assurance of private-key possession

Definition(s):

  Confidence that an entity possesses a private key corresponding to a public key.
Source(s):
NIST SP 800-56A Rev. 2 [Superseded]

  Confidence that an entity possesses a private key associated with a given public key.
Source(s):
NIST SP 800-56B Rev. 2 under Assurance of private key possession
NIST SP 800-56B Rev. 1 [Superseded] under Assurance of possession of a private key

  Confidence that an entity possesses a private key and its associated keying material.
Source(s):
NIST SP 800-57 Part 1 Rev. 4 [Superseded] under Assurance of (private key) possession
NIST SP 800-57 Part 1 Rev. 3 [Superseded] under Assurance of (private key) possession

  Confidence that an entity possesses a private key and its associated key information and that the private key corresponds to a given public key.
Source(s):
NIST SP 800-57 Part 1 Rev. 5 under Assurance of (private key) possession