The time span during which a specific key is authorized for use or in which the keys for a given system or application may remain in effect.
Sources:
NIST SP 800-133 Rev. 2
NIST SP 800-152
NIST SP 800-57 Part 1 Rev. 5
NIST SP 800-57 Part 2 Rev.1
The time span during which a specific key is authorized for use or in which the keys for a given system may remain in effect.
Sources:
NIST SP 800-175B Rev. 1