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Every CTF
2021from public repositories

IDEH Writeups 2021

19 challenges with 20 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.

Where these writeups live

Uncategorised18

The upstream scoreboard did not say, so neither do we.

Cryptography1

Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.

Other 2021 events