对RISC-V处理器的侧信道攻击：当前进展、挑战和机遇
Side-Channel Attacks on RISC-V Processors: Current Progress, Challenges, and Opportunities
摘要：
微处理器上的侧信道攻击，如RISC-V，表现出安全漏洞，导致几个设计挑战。因此，对这些安全漏洞进行全面的研究和分析势在必行。在本文中，我们提出了一个简短而全面的研究，在现代微处理器的安全漏洞方面的侧信道攻击和他们各自的缓解技术。本文重点分析了利用功耗的硬件侧信道攻击和利用缓存的软件侧信道攻击侧信道攻击。为此，我们深入分析了RISC-V微处理器缓存攻击的适用性和实际意义及其相关挑战。最后，基于比较研究和我们的分析，我们强调了一些关键的研究方向，以开发强大的RISC-V微处理器，是弹性的侧信道攻击。
英文摘要：
Side-channel attacks on microprocessors, like the RISC-V, exhibit security vulnerabilities that lead to several design challenges. Hence, it is imperative to study and analyze these security vulnerabilities comprehensively. In this paper, we present a brief yet comprehensive study of the security vulnerabilities in modern microprocessors with respect to side-channel attacks and their respective mitigation techniques. The focus of this paper is to analyze the hardware-exploitable side-channel attack using power consumption and software-exploitable side-channel attacks to manipulate cache. Towards this, we perform an in-depth analysis of the applicability and practical implications of cache attacks on RISC-V microprocessors and their associated challenges. Finally, based on the comparative study and our analysis, we highlight some key research directions to develop robust RISC-V microprocessors that are resilient to side-channel attacks.
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