> Also, we recovered a format of microcode updates, algorithm and the encryption key used to protect the microcode (see RC4). RC4 had already been busted wide

> Also, we recovered a format of microcode updates, algorithm and the encryption key used to protect the microcode (see RC4). RC4 had already been busted wide open when the two generations of CPUs (Gemini Lake and Apollo Lake) this affects were released. Why would they use a known insecure cipher?