[pjsg]

I wept when the author mentioned implementing SHA256 in macros.

[camel-cdr]

Here is something similar: https://godbolt.org/z/Yj61b6GGj I useed a non-cryptographic PRNG to write a C program that only compiles if you know the correct key.

[viega]

LOL, I suffered so you didn't have to.