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A comment on If your cipher were secure, this image wouldn't have repeating patterns (2015). Parent comment
It does not appear he's uploaded slides yet but here is link to session: https://bsidessf2020.sched.com/event/Ybgu/break-crypto-like-...
He said he was going to check in his code to GitHub so may be able to find same with some detective work.
Essentially you could xor two encrypted images with the same OTP and see them sort of superimposed on one another.
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It does not appear he's uploaded slides yet but here is link to session: https://bsidessf2020.sched.com/event/Ybgu/break-crypto-like-...
He said he was going to check in his code to GitHub so may be able to find same with some detective work.
Essentially you could xor two encrypted images with the same OTP and see them sort of superimposed on one another.