Make bad politicians resign! nc 78.46.224.72 2048 files Summary: factorization-based attack on a signature method
Tag: gcd
Sep 07
MMA CTF 2015 – Motto Mijikai Address (Crypto/Web 100+300)
Login as admin and get the flag1. mmaddress.7z Summary: breaking HMAC-CRC512
Nov 19
PoliCTF 2012 Crypto 100
Since I needed to sign a document I thought about doing it with a Chinese paintbrush… Too bad my hand is not that steady, so just in case, I re-signed it with a common pen. Sadly I keep being forgetful, so I actually forgot where I left the two halves of the sigil I used …