https://th3b0ywh0l1v3d.github.io/tags/uuid3/ Recent content in Uuid3 on Th3B0yWh0L1v3d — Security Writeups Hugo en-us Fri, 05 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/gpn-ctf-2026/crypto/easy-dsa/ Fri, 05 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/gpn-ctf-2026/crypto/easy-dsa/ A P-521 ECDSA oracle derives its nonce from an MD5-based uuid3, so an MD5 collision forces nonce reuse, leaks the private key, and lets us forge a signature for the flag.