One criteria for an S-box is: "If two inputs to an S-box differ in exactly one bit,the outputs must also differ in exactly one bit."

Name: One criteria for an S-box is: "If two inputs to an S-box differ in exactly one bit,the outputs must also differ in exactly one bit."
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Quizplus · Accepted Answer

This is not a criterion for an S-box; instead, S-boxes should provide confusion by ensuring that a small change in input results in a significant change in output, which is contrary to the statement.

One Criteria for an S-Box Is: "If Two Inputs to an S-Box