Когда кто-то реально почитал код открытого приложения
https://threadreaderapp.com/thread/1087848040583626753.html
So I wanted to encrypt some files. Thought about using 7z+password. Stackexchange folks said "Didn't review it but it should be fine. You can browse the code yourself". So I did. After a few mins I noticed they use 8byte "random" IV. Yes, half of IV is zeroes. But it gets worse.
https://threadreaderapp.com/thread/1087848040583626753.html