Skip to content
SynAc
Term

block

A bit string or bit vector of finite length. (See: bit, block cipher. Compare: byte, word.)

Senses

(I)

A bit string or bit vector of finite length. (See: bit, block cipher. Compare: byte, word.)

Usage: An "N-bit block" contains N bits, which usually are numbered from left to right as 1, 2, 3, ..., N.

References
  • IETF RFC 4949 (Internet Security Glossary)Jan 06, 2026
    RFC 4949 — Internet Security Glossary (Version 2)
    https://www.rfc-editor.org/rfc/rfc4949.txt
    RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
    Source: IETF RFC 4949 (rfc-editor.org).