None
The period of time during which the integrity and/or confidentiality of a key needs to be maintained.
Source(s):
NIST SP 800-57 Part 1 Rev. 4
[Superseded]
NIST SP 800-57 Part 1 Rev. 3
[Superseded]
The period of time during which the integrity or confidentiality of a key needs to be maintained.
Source(s):
NIST SP 800-57 Part 1 Rev. 5