# Block Cipher Algorithm

Block Cipher Algorithm definition in **Computer Security** terms:

Acronym(s): *None*

Definition(s): A family of functions and their inverses that is parameterized by a cryptographic key; the function maps bit strings of a fixed length to bit strings of the same length.

**Source(s):** NIST SP 800-67 Rev. 1

A family of functions and their inverses that is parameterized by cryptographic keys; the functions map bit strings of a fixed length to bit strings of the same length.

**Source(s):** NIST SP 800-38C

Synonym(s): *None*

reference: CSRC Glossary

Tags: computer security

Categorised in: What is
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