Gcd Factorisation Rsa on CyberSecurity Elitehttps://cybersecurityelite.com/tags/gcd-factorisation-rsa/Recent content in Gcd Factorisation Rsa on CyberSecurity EliteCyberSecurity Elitehttps://cybersecurityelite.com/images/og-default.pnghttps://cybersecurityelite.com/images/og-default.pngHugoen-usSat, 27 Jun 2026 16:33:55 +0200TraceBash CTF 2026 Crypto Writeup: 4 Challenges Solved (Shared Prime, DH Small-Subgroup, More)https://cybersecurityelite.com/ctf-writeups/tracebash-ctf-2026-crypto-writeup/Sat, 27 Jun 2026 11:00:00 +0000https://cybersecurityelite.com/ctf-writeups/tracebash-ctf-2026-crypto-writeup/TraceBash CTF 2026 crypto track writeup — DH small-subgroup attack, audio-derived XOR key, shared 512-bit prime RSA, and an exhaustive 16-bit state-machine cipher recovery.