Crypto 2017
10 challenges with 19 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 liveUncategorised6
The upstream scoreboard did not say, so neither do we.
Also written up in: google/google-ctf, google/google-ctf, yuawn/CTF, yuawn/CTF, ssspeedgit00/CTF, ssspeedgit00/CTF
Prime Enigma
2 official solutionsAlso written up in: Hope0351/CTF-collection, Hope0351/CTF-collection
Simpler Than RSA
2 official solutionsAlso written up in: Hope0351/CTF-collection, Hope0351/CTF-collection
Baby Dlp
1 official solutionAlso written up in: Hope0351/CTF-collection
Decrypt
1 official solutionAlso written up in: 5unKn0wn/ctfs
Also written up in: Hope0351/CTF-collection
Cryptography4
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.
Also written up in: yuawn/CTF, ssspeedgit00/CTF
Rfc2246
2 official solutionsAlso written up in: nitinparker/DRDO-CTF-2017, nitinparker/DRDO-CTF-2017
Problem 8 Hard
1 official solutionAlso written up in: nitinparker/DRDO-CTF-2017
Tanh Crypto
1 official solutionAlso written up in: google/google-ctf