Lock and Unlock: A Data Management Algorithm for A Security-Aware Cache

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Provided by: Kyushu University
Topic: Big Data
Format: PDF
In this paper, the authors propose an efficient cache line management algorithm for a Security-aware Cache architecture (SCache). SCache attempts to detect the corruption of return address values at runtime. When a return address store is executed, the cache generates a replica of the return address. This copied data is treated as read only. Subsequently, when the corresponding return address load is performed, the cache verifies the return address value loaded from the memory stack by means of comparing it with the replica data. Unfortunately, since the replica data is also a candidate for cache line replacements, SCache does not work well for application programs that cause higher cache miss rates.
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