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| Presentation | 2011-12-14 14:40 [Invited Talk] Uniquness Enhancement of PUF Responces Based on the Locations of Random Outputting RS Latches Dai Yamamoto (Fujitsu Lab.), Kazuo Sakiyama, Mitsugu Iwamoto, Kazuo Ohta (Univ. of Electro-Comm.), Takao Ochiai, Masahiko Takenaka, Kouichi Itoh (Fujitsu Lab.)  ISEC2011-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Physical Unclonable Functions (PUFs) are expected to represent an important solution for secure ID generation and authentication etc. In general, PUFs are considered to be more secure the larger their output entropy. However, the entropy of conventional PUFs is lower than the output bit length, because some output bits are random numbers, which are regarded as unnecessary for ID generation and discarded. We propose a novel PUF structure based on a Butterfly PUF with multiple RS latches, which generates larger entropy by utilizing location information of the RS latches generating random numbers. More specifically, while conventional PUFs generate binary values (0/1), the proposed PUF generates ternary values (0/1/random) in order to increase entropy. We estimate the entropy of the proposed PUF. According to our experiment with 40 FPGAs, a Butterfly PUF with 128 RS latches can improve entropy from 116 bits to 192.7 bits, this being maximized when the frequency of each ternary value is equal. We also show the appropriate RS latch structure for satisfying this condition, and validate it through an FPGA experiment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | PUF / Butterfly PUF / RS latch / Random number / FPGA / ID Generation / Authentication / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 337, ISEC2011-68, pp. 29-29, Dec. 2011. | |
| Paper # | ISEC2011-68 | |
| Date of Issue | 2011-12-07 (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 | ISEC2011-68 |
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| Conference Information | |
| Committee | ISEC |
| Conference Date | 2011-12-14 - 2011-12-14 |
| 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 | 2011-12-ISEC |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Uniquness Enhancement of PUF Responces Based on the Locations of Random Outputting RS Latches |
| Sub Title (in English) | |
| Keyword(1) | PUF |
| Keyword(2) | Butterfly PUF |
| Keyword(3) | RS latch |
| Keyword(4) | Random number |
| Keyword(5) | FPGA |
| Keyword(6) | ID Generation |
| Keyword(7) | Authentication |
| Keyword(8) | |
| 1st Author's Name | Dai Yamamoto |
| 1st Author's Affiliation | FUJITSU Laboratories Ltd. (Fujitsu Lab.) |
| 2nd Author's Name | Kazuo Sakiyama |
| 2nd Author's Affiliation | The University of Electro-Communications (Univ. of Electro-Comm.) |
| 3rd Author's Name | Mitsugu Iwamoto |
| 3rd Author's Affiliation | The University of Electro-Communications (Univ. of Electro-Comm.) |
| 4th Author's Name | Kazuo Ohta |
| 4th Author's Affiliation | The University of Electro-Communications (Univ. of Electro-Comm.) |
| 5th Author's Name | Takao Ochiai |
| 5th Author's Affiliation | FUJITSU Laboratories Ltd. (Fujitsu Lab.) |
| 6th Author's Name | Masahiko Takenaka |
| 6th Author's Affiliation | FUJITSU Laboratories Ltd. (Fujitsu Lab.) |
| 7th Author's Name | Kouichi Itoh |
| 7th Author's Affiliation | FUJITSU Laboratories Ltd. (Fujitsu Lab.) |
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| Speaker | Author-7 |
| Date Time | 2011-12-14 14:40:00 |
| Presentation Time | 30 minutes |
| Registration for | ISEC |
| Paper # | ISEC2011-68 |
| Volume (vol) | vol.111 |
| Number (no) | no.337 |
| Page | p.29 |
| #Pages | 1 |
| Date of Issue | 2011-12-07 (ISEC) |
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