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Paper Abstract and Keywords
Presentation 2023-03-15 15:45
New Differential Pair of Linear Differential Attack for Salsa
Kunjo Ri, Atsuko Miyaji (Handai) IT2022-133 ISEC2022-112 WBS2022-130 RCC2022-130
Abstract (in Japanese) (See Japanese page) 
(in English) Salsa20 is a stream cipher designed by D.J.Bernstein in 2005, and research on its security is highly necessary in ensuring information security. Key recovery attack by differential cryptanalysis is effective as one of the attack methods applied to Salsa20. Differential cryptanalysis is a method of discovering the non-randomness of cryptographic algorithms by tracing how input differences affect output differences. Also, linear cryptanalysis combined with differential cryptanalysis has been frequently performed. Therefore, in this research, in order to improve the existing linear differential decoding for Salsa20, we proposed a new combination of input and output differentials based on the linear formula, and showed the result of the attack experiment with bias.
Keyword (in Japanese) (See Japanese page) 
(in English) Stream cipher / Salsa20 / Linear Differential Analysis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 428, ISEC2022-112, pp. 412-418, March 2023.
Paper # ISEC2022-112 
Date of Issue 2023-03-07 (IT, ISEC, WBS, RCC) 
ISSN 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 IT2022-133 ISEC2022-112 WBS2022-130 RCC2022-130

Conference Information
Committee RCC ISEC IT WBS  
Conference Date 2023-03-14 - 2023-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To ISEC 
Conference Code 2023-03-RCC-ISEC-IT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) New Differential Pair of Linear Differential Attack for Salsa 
Sub Title (in English)  
Keyword(1) Stream cipher  
Keyword(2) Salsa20  
Keyword(3) Linear Differential Analysis  
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1st Author's Name Kunjo Ri  
1st Author's Affiliation Osaka University (Handai)
2nd Author's Name Atsuko Miyaji  
2nd Author's Affiliation Osaka University (Handai)
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Speaker Author-1 
Date Time 2023-03-15 15:45:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # IT2022-133, ISEC2022-112, WBS2022-130, RCC2022-130 
Volume (vol) vol.122 
Number (no) no.427(IT), no.428(ISEC), no.429(WBS), no.430(RCC) 
Page pp.412-418 
#Pages 7 
Date of Issue 2023-03-07 (IT, ISEC, WBS, RCC) 

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