A sequence of eight bits.
Sources:
FIPS 197
[NIST FIPS 197-upd1]
An integer from the set {0, 1, 2, …, 255}.
Sources:
FIPS 204
under byte
A string of eight bits.
Sources:
NIST SP 800-106
A sequence of 8 bits.
Sources:
NIST SP 800-38D
A group of eight bits that is treated either as a single entity or as an array of eight individual bits.
Sources:
NIST SP 800-67 Rev. 2
A bit string consisting of eight bits.
Sources:
NIST SP 800-56B Rev. 2
NIST SP 800-56C Rev. 2