Bit-by-bit used in a sentence

Bit-by-bit in a sentence as an adjective

So what if you can bit-by-bit compare its outputs?

I spent weeks if not months first playing it and then taking it apart bit-by-bit to see what made it tick.

But if you have a C++ program that is taking too long, you can relatively easily, bit-by-bit, turn it into a C program.

How do you know it isn't leaking key information via a side channel?The argument that you can "bit-by-bit compare outputs" is an argument that AES cores can't be backdoored in any setting.