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Paper Abstract and Keywords
Presentation 2007-05-18 09:45
The 128-bit Blockcipher CLEFIA
Taizo Shirai, Kyoji Shibutani, Toru Akishita, Shiho Moriai (Sony), Tetsu Iwata (Nagoya Univ.) ISEC2007-1
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a new 128-bit blockcipher CLEFIA supporting key lengths of
128, 192 and 256 bits, which is compatible with AES.
CLEFIA achieves enough immunity against known attacks and flexibility
for efficient implementation in both hardware and software by adopting
several novel and state-of-the-art design techniques.
CLEFIA achieves a good performance profile both in hardware and software.
In hardware using a 0.09 $\mu$m CMOS ASIC library, about 1.60 Gbps with less than 6 Kgates, and in software, about 13 cycles/byte, 1.48 Gbps on 2.4 GHz AMD Athlon 64 processor is achieved.
CLEFIA is a highly efficient blockcipher, especially in hardware.
Keyword (in Japanese) (See Japanese page) 
(in English) blockcipher / generalized Feistel structure / DSM / CLEFIA / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 44, ISEC2007-1, pp. 1-9, May 2007.
Paper # ISEC2007-1 
Date of Issue 2007-05-11 (ISEC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ISEC2007-1

Conference Information
Committee ISEC  
Conference Date 2007-05-18 - 2007-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2007-05-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The 128-bit Blockcipher CLEFIA 
Sub Title (in English)  
Keyword(1) blockcipher  
Keyword(2) generalized Feistel structure  
Keyword(3) DSM  
Keyword(4) CLEFIA  
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1st Author's Name Taizo Shirai  
1st Author's Affiliation Sony Corporation (Sony)
2nd Author's Name Kyoji Shibutani  
2nd Author's Affiliation Sony Corporation (Sony)
3rd Author's Name Toru Akishita  
3rd Author's Affiliation Sony Corporation (Sony)
4th Author's Name Shiho Moriai  
4th Author's Affiliation Sony Corporation (Sony)
5th Author's Name Tetsu Iwata  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-4 
Date Time 2007-05-18 09:45:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2007-1 
Volume (vol) vol.107 
Number (no) no.44 
Page pp.1-9 
#Pages
Date of Issue 2007-05-11 (ISEC) 


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