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Description of the Blowfish Cipher

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Peter Gutmann , Bruce Schneier
Last updated 1999-09-02
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document describes the Blowfish block cipher, a 16-round, 64-bit block cipher with a variable-length key of up to 448 bits.


Peter Gutmann
Bruce Schneier

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)