Question: Suppose a piece of software, when processing two private user images i and j , arbitrarily accesses the first four cache line ( i .

Suppose a piece of software, when processing two private user images i and
j, arbitrarily accesses the first four cache line (i.e., its accessed cache lines are not
fixed). Would that count as a cache side channel? Explain your answer. Suppose
attackers goal is to infer the content of both user image i and j, and attackers
can precisely observe which cache line has been accessed by this software.

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