OBFUSCATION OF OPERATIONS IN COMPUTING DEVICES
摘要:
A method for obfuscation of operations using minimal additional hardware is presented herein. The method can begin by executing a first iteration of a set of computations, the execution of the set of computations resulting in a first iteration output. The method can continue by executing a second iteration of the set of computations, wherein the second execution is distinct from the first iteration but should satisfy a matching condition. The distinction can be a rearrangement of sub-operations, insertion of dummy sub-operations, or a combination of the two. After the iterations are complete, the iteration outputs can be compared. If the comparison of the first iteration output and the second iteration output satisfy the matching condition, the process result can be output. If the matching condition is not satisfied, an error detected signal can be output.
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