2026from public repositories
Fit Competition 2026
4 challenges with 6 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 liveCryptography2
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.
Solve it with:Cipher identifier and automatic decoderVigenere cipher solver with automatic key recoveryRSA decryption and attack runnerWiener’s attack on small RSA private exponentsIn-browser hash cracker with rule transformsLearn: Classical ciphers and frequency analysisLearn: RSA and the parameters that break it
Cold Chain Rsa
2 official solutionsAlso written up in: Haippp/ctf-event-writeups, Haippp/ctf-event-writeups
Deadline
2 official solutionsAlso written up in: Haippp/ctf-event-writeups, Haippp/ctf-event-writeups
Uncategorised2
The upstream scoreboard did not say, so neither do we.
universitas teknokrat indonesia Kata Pembina Juara Meta Kawal @Nafiz
1 official solutionAlso written up in: Romm31/CTFWriteUp
Write Up FITCTF kata pembina juara meta kawal @nafiz
1 official solutionAlso written up in: Romm31/CTFWriteUp