i - Glossary

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i

Definition(s):

A counter taking integer values in the interval [1, 2^r-1] that is encoded as a bit string of length r; used as an input to each invocation of a PRF in the counter mode and (optionally) in the feedback and double-pipeline iteration modes.
Source(s):
NIST SP 800-108r1

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.