eMudhra revokes eight CA intermediates with trivially recoverable P-384 keys; Mozilla, Google and Apple block them
Certificate authority eMudhra revoked eight intermediate certificates after a researcher known as Wayne found on October 17 that their P-384 private keys were so weak that anyone could recover them almost instantly. The keys, generated in April 2025, had values below 256, so an attacker could recover them by testing 256 candidates. This w…