Diels-grabsch2: Self Hashing C Program (2019) (opens in new tab)

(ioccc.org)

10 pointsicwtyjj13d ago3 comments

3 comments

I thought it would print the hash of its binary :/

That's not too difficult. You can #embed CC, invoke it on the program's source code via the exec functions, and hash the result.

zvr8d ago

It's even easier to exec a hash of argv[0] and print it.

j / k navigate · click thread line to collapse

(ioccc.org)

10 pointsicwtyjj13d ago3 comments

I thought it would print the hash of its binary :/

That's not too difficult. You can #embed CC, invoke it on the program's source code via the exec functions, and hash the result.

zvr8d ago

It's even easier to exec a hash of argv[0] and print it.

j / k navigate · click thread line to collapse