😼 CTF write-ups

CVP "trick" for CTF challenges

A SageMath implementation of the Castryck-Decru Key Recovery attack on SIDH

A toolkit for cryptanalysis using lattices.

A repository trying to collect things related to LLL

Implementation of Lattice Attacks on (EC)DSA described in the research paper: Chao Sun,Thomas Espitau, Mehdi Tibouchi, and Masayuki Abe, "Guessing Bits: Improved Lattice Attacks on (EC)DSA with Non…

Prime backdooring procedure to allow fast factorization of semiprimes

An implementation of RSA extending Wiener attack

Wouter Castryck, Thomas Decru. "An efficient key recovery attack on SIDH" の実装

Implementation of "Approximate Divisor Multiples - Factoring with Only a Third of the Secret CRT-Exponents"