ObfusGEM: Enhancing Processor Design Obfuscation Through Security-Aware On-Chip Memory and Data Path Design
ObfusGEM: Enhancing Processor Design Obfuscation Through Security-Aware On-Chip Memory and Data Path Design
复制标题
ObfusGEM:通过安全感知片上内存和数据路径设计增强处理器设计混淆
DOI:
10.1145/3422575.3422798
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Michael Zuzak, University of
中科院分区:
文献类型:
--
作者:
Michael Zuzak, University of
A sizable body of work has identified the importance of architecture and application level security when using logic locking, a family of module level supply chain security techniques, to secure processor ICs. However, prior logic locking research proposes configuring logic locking using only module level considerations. To begin our work, we perform a systematic design space exploration of logic locking in modules throughout a processor IC. This exploration shows that locking with only module level considerations cannot guarantee architecture/application level security, regardless of the locking technique used. To remedy this, we propose a tool-driven security-aware approach to enhance the 2 most effective candidate locking locations, on-chip memory and data path. We show that through minor design modifications of the on-chip memory and data path architecture, one can exponentially improve the architecture/application level security of prior locking art with only a modest design overhead. Underlying our design space exploration and security-aware design approach is ObfusGEM, an open-source logic locking simulation framework released with this work to quantitatively evaluate the architectural effectiveness of logic locking in custom processor architecture configurations.
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