2020from public repositories
Chujowyctf 2020
5 challenges with 5 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories and on the authors’ own sites instead. Each repository link is pinned to the commit it was read from.
Where these writeups liveUncategorised3
The upstream scoreboard did not say, so neither do we.
Challs
1 official solutionMultiple Times Pad
1 official solution
Misc2
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Solve it with:Brainfuck and esolang decoderCipher identifier and automatic decoderRegex tester with match offsets and capture groupsLearn: Recognising encodings
Ford CPU I & II (hardware pwn)
1 official solutionInsanity1
1 official solution