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SA-SPM: An Efficient Compiler for Security Aware Scratchpad Memory (Invited Paper)

Title
SA-SPM: An Efficient Compiler for Security Aware Scratchpad Memory (Invited Paper)
Author
오현옥
Keywords
Scratchpad memory; Main memory; Security; Encryption
Issue Date
2019-06
Publisher
ACM
Citation
LCTES 2019: Proceedings of the 20th ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems, Page. 57-69
Abstract
Scratchpad memories (SPM) are often used to boost the performance of application-specific embedded systems. In embedded systems, main memories are vulnerable to external attacks such as bus snooping or memory extraction. Therefore it is desirable to guarantee the security of data in a main memory. In software-managed SPM, it is possible to provide security in main memory by performing software-assistant encryption. In this paper, we present an efficient compiler for security aware scratch pad Memory (SA-SPM), which ensures the security of main memories in SPM-based embedded systems. Our compiler is the first approach to support full encryption of memory regions (i.e. stack, heap, code, and static variables) in a SPM-based system. Furthermore, to reduce the energy consumption and improve the lifetime of a non-volatile main memory by decreasing the number of bit flips, we propose a new dual encryption scheme for a SPM-based system. Our experimental results show that the proposed dual encryption scheme reduces the number of bit flips by 31.8% compared with the whole encryption.
URI
https://dl.acm.org/doi/10.1145/3316482.3326347https://repository.hanyang.ac.kr/handle/20.500.11754/151454
ISBN
978-145036724-0
DOI
10.1145/3316482.3326347
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > INFORMATION SYSTEMS(정보시스템학과) > Articles
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