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

(ioccc.org)

10 pointsicwtyjj3mo ago3 comments

3 comments

3 comments · 1 top-level

casey23mo ago· 2 in thread

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.

zvr3mo ago

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

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