Zukane CTF

I sometimes post writeups for crypto challenges I find interesting

Writeups

SHA-CTR (CERT.PL 2025)
Phony (CryptoCTF 2025)
Mancity (CryptoCTF 2025)
Secret^2 (L3AK 2025)
Lowkey RSA (L3AK 2025)
Curveware (HTB Business CTF 2025)
Dried Up Crypto (ictf Round 56)
Decision (ictf Round 53)
Univariate (ictf Round 54)
Bivariate (ictf Round 54)
Noise (ictf Round 49)
RSARSA (ictf Round 52)
Square Up (UMDCTF 2025)
Prime Sponsorship (UMDCTF 2025) (Coming soon)
Cover Yourself in Oil (UMDCTF 2025) (Coming soon)
beslutningsvegring (Cyberlandslaget 2025)
Copperbox (HTB Cyber Appocalypse 2025)
My Signed Nonsense (HelseCTF 2025)
Learning with Elliptic Curves (HelseCTF 2025)
Signert Betaling (HelseCTF 2025)
Comet19 (CLL Julekalender 2024)
That one RSA challenge (TCP1P 2024)
Backdoor (ironCTF 2024)
I Lost my Bottoms (H7CTF 2024)
Trendy Windy Trigonity (CSCTF 2024)
Connorsmith (CSCTF 2024)
Alle gode ting er fire (Cyberlandslaget 2024)
QRSA (Cyberlandslaget 2024)