eMudhra CA key-generation flaw exposes eight weak P-384 intermediate private keys, prompting emergency distrust
Researchers found that the private keys of eight eMudhra intermediate CA certificates could be recovered from public certificate data. Each P-384 key was an integer below 256, so near-instant recovery by simple enumeration or a discrete logarithm algorithm was possible. The incident was disclosed on October 20, 2026, and Mozilla, Google, …