Paper Abstract and Keywords |
Presentation |
2017-03-09 13:35
A consideration of Meet-in-the-middle Attack for Multiple Encryption Algorithm Yohei Maezawa, Munetoshi Iwakiri (NDA) IT2016-103 ISEC2016-93 WBS2016-79 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
It is known that the security strength can be lower than the total key length used for multiple encryption with meet-in-the-middle attacks proposed by Diffie and Hellman.
The meet-in-the-middle attack is a chosen plaintext attack and it is possible to greatly reduce the complexity of multiple encryption.
In this report, we consider a general multiple encryption algorithm as an example and a method to avoid the meet-in-the-middle attack without increasing necessary processing resource and key length.
As a method to avoid the meet-in-the-midddle attack, we proposed the full subkeys permutation method which permutate the sequence of all subkeys and show the result of a consideration. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Meet-in-the-middle Attack / Block Cipher / Multiple Encryption / Key Scheduling / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 116, no. 505, ISEC2016-93, pp. 25-31, March 2017. |
Paper # |
ISEC2016-93 |
Date of Issue |
2017-03-02 (IT, ISEC, WBS) |
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) |
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IT2016-103 ISEC2016-93 WBS2016-79 |
Conference Information |
Committee |
ISEC WBS IT |
Conference Date |
2017-03-09 - 2017-03-10 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
TOKAI University |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
joint meeting of IT, ISEC, and WBS |
Paper Information |
Registration To |
ISEC |
Conference Code |
2017-03-ISEC-WBS-IT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A consideration of Meet-in-the-middle Attack for Multiple Encryption Algorithm |
Sub Title (in English) |
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Meet-in-the-middle Attack |
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Block Cipher |
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Multiple Encryption |
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Key Scheduling |
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1st Author's Name |
Yohei Maezawa |
1st Author's Affiliation |
National Defense Academy (NDA) |
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Munetoshi Iwakiri |
2nd Author's Affiliation |
National Defense Academy (NDA) |
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Speaker |
Author-1 |
Date Time |
2017-03-09 13:35:00 |
Presentation Time |
25 minutes |
Registration for |
ISEC |
Paper # |
IT2016-103, ISEC2016-93, WBS2016-79 |
Volume (vol) |
vol.116 |
Number (no) |
no.504(IT), no.505(ISEC), no.506(WBS) |
Page |
pp.25-31 |
#Pages |
7 |
Date of Issue |
2017-03-02 (IT, ISEC, WBS) |
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