waRSAw - InCTF Internationals 2019 s0rc3r3r 2019-09-29 Crypto / PubKey-Enc Intended solution of waRSAw challenge from InCTF Internationals 2019 tl;dr variant of LSB Oracle Attack on unpadded RSA Read More InCTFi NumberTheory PublicKeyCrypto RSA
EZDSA - MidnightSun CTF Quals 2019 s0rc3r3r 2019-04-09 Crypto / Digital-Signatures Full solution of EZDSA challenge from MidnightSun CTF Quals 2019. tl;dr retrieving key using Euler’s Criterion to break signature authentication Read More Euler NumberTheory PublicKeyCrypto