Abstract:Speculative side-channel attacks consist of two parts: The speculative instructions that abuse speculative execution to gain illegal access to sensitive data and the side-channel instructions that leak the sensitive data. Typically, the side-channel instructions are assumed to follow the speculative instructions and be dependent on them. Speculative side-channel defenses have taken advantage of these facts to construct solutions where speculative execution is limited only under the presence of these conditions… Show more
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