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| Presentation | 2014-09-05 17:05 [Invited Talk] Parallelizable Rate-1 Authenticated Encryption from Pseudorandom Functions Kazuhiko Minematsu (NEC)  ISEC2014-55 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a new authenticated encryption (AE) scheme, called OTR for Offset Two-Round, which can be realized as a blockcipher mode of operation. Our proposal is based on a novel usage of two-round Feistel permutation, where the round function is a tweakable blockcipher built from a blockcipher. OTR has attractive features for fast and compact operation. When it is realized with a blockcipher, it requires one blockcipher call for one input block (i.e. rate-1), and uses the encryption function of the blockcipher for both encryption and decryption. Moreover, OTR enables one-pass, parallel operation under two-block partition. Thus OTR attains similar performance as seminal OCB mode, without using the inverse blockcipher. We also provide basic software results, and describe some ideas on using a non-invertible primitive, such as a keyed hash function. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Authenticated Encryption / Blockcipher Mode / Pseudorandom Function / OCB / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 203, ISEC2014-55, pp. 49-49, Sept. 2014. | |
| Paper # | ISEC2014-55 | |
| Date of Issue | 2014-08-29 (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 | ISEC2014-55 |
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| Conference Information | |
| Committee | ISEC |
| Conference Date | 2014-09-05 - 2014-09-05 |
| 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 | 2014-09-ISEC |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Parallelizable Rate-1 Authenticated Encryption from Pseudorandom Functions |
| Sub Title (in English) | |
| Keyword(1) | Authenticated Encryption |
| Keyword(2) | Blockcipher Mode |
| Keyword(3) | Pseudorandom Function |
| Keyword(4) | OCB |
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| 1st Author's Name | Kazuhiko Minematsu |
| 1st Author's Affiliation | NEC Corporation (NEC) |
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| Speaker | Author-1 |
| Date Time | 2014-09-05 17:05:00 |
| Presentation Time | 30 minutes |
| Registration for | ISEC |
| Paper # | ISEC2014-55 |
| Volume (vol) | vol.114 |
| Number (no) | no.203 |
| Page | p.49 |
| #Pages | 1 |
| Date of Issue | 2014-08-29 (ISEC) |
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