7zip ... not so good under the covers?

Jim Cheetham jim at gonzul.net
Sun Feb 3 20:44:48 GMT 2019


"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."
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