None

  Used to indicate a requirement of this Recommendation.
Source(s):
NIST SP 800-102
NIST SP 800-107 Rev. 1
NIST SP 800-89

  This term is used to indicate a requirement of a Federal Information Processing Standard (FIPS) or a requirement that needs to be fulfilled to claim conformance to this Recommendation. Note that shall may be coupled with not to become shall not.
Source(s):
NIST SP 800-108
NIST SP 800-56A Rev. 2 [Superseded]
NIST SP 800-56B Rev. 1 [Superseded]

  This term is used to indicate a requirement of a Federal Information Processing Standard (FIPS) or a requirement that must be fulfilled to claim conformance to this Recommendation. Note that shall may be coupled with not to become shall not.
Source(s):
NIST SP 800-133 [Superseded]
NIST SP 800-133 Rev.1 [Superseded]
NIST SP 800-57 Part 1 Rev. 4 [Superseded]
NIST SP 800-57 Part 1 Rev. 5
NIST SP 800-57 Part 1 Rev. 3 [Superseded]

  This term is used to indicate a requirement that needs to be fulfilled to claim conformance to this Recommendation. Note that shall may be coupled with not to become shall not.
Source(s):
NIST SP 800-135 Rev. 1
NIST SP 800-56B Rev. 2
NIST SP 800-175B Rev. 1

  Is required to. Requirements apply to conforming implementations.
Source(s):
NIST SP 800-38F under shall

  A requirement that needs to be fulfilled to claim conformance to this Recommendation. Note that shall may be coupled with not to become shall not.
Source(s):
NIST SP 800-56C [Superseded]

  Used to indicate a requirement of this Recommendation. "Shall" may be coupled with "not" to become "shall not."
Source(s):
NIST SP 800-90A Rev. 1

  The term used to indicate a requirement that needs to be fulfilled to claim conformance to this Recommendation. Note that shall may be coupled with not to become shall not.
Source(s):
NIST SP 800-90B

  A requirement that must be met unless a justification of why it cannot be met is given and accepted.
Source(s):
NISTIR 5153