Analyse CVE-2022-21449 by diving into the source code.
Timing attack that turns infeasible into feasible.
Pressure: a toy private set intersection challenge
Several attacks on the state machines of IM softwares
Lazy STEK: TLS Pre-shared keys + AES-GCM forbidden attack
Notes on several papers relating to RSA Padding Oracle Attack and source code analysis of the lagacy OpenSSL library.
We solved the 0-solve hard web challenge checkin after CyBRICS CTF 2021 and claimed a reward. Here is our writeup.
Writeup for Writeup for bfv and PSN in 2021qwb Final (2021-07-10 09:00 +30h).
- bfv: chosen-ciphertext attack on bfv homomorphic encryption algorithm
- PSN: weak key