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Technical records and post-event analysis
Reproducible solves, failed turns, and the detail needed to learn from both.
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8 writeups
2026/dicectf-2026/crypto/plane-or-exchange.md
Alice and Bob had a brief exchange, and now they know something which I do not. Would you please help me to drop some Eves?
2026/srdnlen-ctf-quals-2026/crypto/fhaes.md
Here it is! Fully Homomorphic AES encryption finally made practical. This is a remote challenge, you can connect to the service with: nc fhaes.challs.srdnlen.it 1337
2026/0xfun-ctf-2026/crypto/baby-hawk.md
hawk meets his cousin can they find the right basis?
2025/pwnsec-ctf-2025/crypto/opera.md
Writer was too lazy to write a description, so here's this video: https://www.youtube.com/watch?v=lVlgMEFu1PI
2025/osu-gaming-ctf-2025/crypto/please-nominate.md
ok this time i'm going to be a bit more nice and personal when sending my message
2025/nnsctf-2025/crypto/live-laugh-love.md
Multiple unknowns and only a single equation... You are doomed!
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