Reminds me of an Einstein quote (paraphrased): "You cannot expect to find a solution to a problem with the same knowledge that led you to the problem". Similarl

Reminds me of an Einstein quote (paraphrased): "You cannot expect to find a solution to a problem with the same knowledge that led you to the problem". Similarly, when designing cryptosystems, almost to a tautology, the person designing/implementing the cryptosystem cannot hope to cryptanalyze it himself/herself (otherwise they would have designed it better in the first place).