Even then you can still have someone read the source and write a spec for a second programmer to write a library. The programmer never saw the source code but it was still useful. Still legal to do this. If someone dumped original source into the projector could be similarly checked for duplication without breaking the law.
1: “… and then we’ll be able to stop terrorist attacks. Simple”.
2: “ok but if you put a back door into encryption, won’t others be able to find it?"
1: "no we’ll be the only ones with the key. Great huh?“
2: “and you don’t think the key will be leaked or be hacked?”
1: “I said we’ll be the only ones with the key.”
2: “so what’s your plan to make sure the key stays secure”
1: “…”
2: “what’s your contingency plan if the key *is * hacked or leaked?”
1:“…”
1: "I SAID WE’LL BE THE ONLY ONES WITH THE KEY. "
2: “…”
1: “don’t you want to protect our children ??”
Because you are a kid and you don’t know but are pretending to be an adult. Nice try!