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| Presentation | 2023-03-23 13:25 A Flexible and Efficient Data Transfer Method between Host and Enclave in Isolated Execution Environments Using Fat Pointers and Memory Pools Nozomi Yamamoto, Yu Omori, Keiji Kimura (Waseda Univ.)  CPSY2022-35 DC2022-94 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Various OS vulnerabilities have been reported so far, and the reliability of the OS as an execution environment for programs that process sensitive data is uncertain. Intel SGX, one of the trusted execution environments, protects data from malicious attacks against the OS by executing programs that process important data in an isolated environment called an enclave. However, the data structures that can be transferred between the application host and the enclave are currently limited to simple data structures such as arrays, and handling data structures that contain pointers requires expensive data serialization. This paper proposes a method that enables flexible and efficient data transfer for data structures containing pointers by using fat pointers and memory pools. The evaluation shows that the method can improve the speed of transferring vector and list up to 18.52 times and 19.64 times respectively, compared to serialization. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Intel SGX / Enclave / Fat Pointer / Pool Allocator / TOCTTOU Attack / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 451, CPSY2022-35, pp. 7-12, March 2023. | |
| Paper # | CPSY2022-35 | |
| Date of Issue | 2023-03-16 (CPSY, DC) | |
| 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 | CPSY2022-35 DC2022-94 |
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| Conference Information | |
| Committee | DC CPSY IPSJ-SLDM IPSJ-EMB IPSJ-ARC |
| Conference Date | 2023-03-23 - 2023-03-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Amagi Town Disaster Prevention Center (Tokunoshima) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CPSY |
| Conference Code | 2023-03-DC-CPSY-SLDM-EMB-ARC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Flexible and Efficient Data Transfer Method between Host and Enclave in Isolated Execution Environments Using Fat Pointers and Memory Pools |
| Sub Title (in English) | |
| Keyword(1) | Intel SGX |
| Keyword(2) | Enclave |
| Keyword(3) | Fat Pointer |
| Keyword(4) | Pool Allocator |
| Keyword(5) | TOCTTOU Attack |
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| 1st Author's Name | Nozomi Yamamoto |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Yu Omori |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Keiji Kimura |
| 3rd Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-03-23 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | CPSY |
| Paper # | CPSY2022-35, DC2022-94 |
| Volume (vol) | vol.122 |
| Number (no) | no.451(CPSY), no.452(DC) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2023-03-16 (CPSY, DC) |
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