02Labs TAG ARCHIVE 07 POSTS
crypto
Cryptography writeups mostly covering cryptoanalysis, cipher design, and weakness in implementations. 7 posts in this archive.
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Daily AlpacaHack: Camelid Match Writeup
This Daily AlpacaHack challenge gives us a 5-card binary string and asks whether Alice and Bob both like a certain animal. From this point on, we will refer to ♡ as 1 and ♧ as 0: two bits re...
APR 24, 2026 · 05 MIN READ POST →
01 · 26.04.14 ALPACAHACK · CRYPTO Daily AlpacaHack: Wither Writeup → 02 · 26.04.10 ALPACAHACK · CRYPTO Daily AlpacaHack: AES is dead Writeup → 03 · 26.04.06 ALPACAHACK · CRYPTO Daily AlpacaHack: The horn Writeup → 04 · 26.04.04 RITSEC · CRYPTO RITSEC CTF: Zipped Writeup → 05 · 26.03.24 ALPACAHACK · CRYPTO Daily AlpacaHack: Bloom Writeup → 06 · 26.03.08 DICECTF · CRYPTO DiceCTF 2026: Carry the Flame →