Skip to content
SynAc
Term

Blowfish

A symmetric block cipher with variable-length key (32 to 448 bits) designed in 1993 by Bruce Schneier as an unpatented, license-free, royalty-free replacement for DES or IDEA. [Schn] (See: Twofish.)

Senses

(N)

A symmetric block cipher with variable-length key (32 to 448 bits) designed in 1993 by Bruce Schneier as an unpatented, license-free, royalty-free replacement for DES or IDEA. [Schn] (See: Twofish.)

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).