NDLI: A new, fast block cipher design: COS ciphers

Content Provider	IEEE Xplore Digital Library
Author	Filiol, E. Vianne, D. Fontaine, C.
Copyright Year	2001
Description	Author affiliation: Inst. Nat. de Recherche en Inf. et Autom., Le Chesnay, France (Filiol, E.)
Abstract	When designing secret key ciphers, one approach which has not been very often considered so far, is the construction of block ciphers out of stream ciphers. It nevertheless would combine the advantage of both sides without their respective drawbacks. Only few attempts have been presented yet, and we propose here a completely new approach to block cipher design. By using strong Boolean functions and non-linear feedback shift register (NLFSR), we build a family of block ciphers called crossing over system (COS) ciphers, with arbitrary block size, and a key size of 128, 256 or 192 bits. It is based on a new design called crossing-over, using the internal state of NLFSRs as the constituent of the ciphering output blocks. Two versions have been developed: one considers any kind of plaintext, and the other one is devoted to plaintext without redundancy (e.g. compressed).
Sponsorship	IEEE Inf. Theory Soc
File Size	143357
File Format	PDF
ISBN	0780371232
DOI	10.1109/ISIT.2001.936001
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clocks Frequency locked loops Linear feedback shift registers Biological cells Genetics Boolean functions Cryptography Security
Content Type	Text
Resource Type	Article

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