cryptohard
hütchenspiel
hxp_39c3
Task: hxp Crypto "hütchenspiel" — shell game. Solution: German shell game cipher, probability-based decryption.
$ ls tags/ techniques/
Zero-signature forgery via compose(a, 0) = 0Linear operator recovery over GF(p)Solving 49x49 linear system for matrix algebra basisShared secret computation without private exponents
🔒
Permission denied (requires tier.pro)
Sign in to access full writeups
Create a free account with GitHub to get started.
$ssh [email protected]