No, more like the CPU will, in some cases, need to do more work if the key is X and less work if the key is Y, and we specially craft our plain-text to have many X/Y pairs as possible, so that we can hear the capacitors working harder when decrypting.
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No, more like the CPU will, in some cases, need to do more work if the key is X and less work if the key is Y, and we specially craft our plain-text to have many X/Y pairs as possible, so that we can hear the capacitors working harder when decrypting.