On Tue, Jul 30, 2019 at 12:42:33PM +1000, Dr Paul Dale wrote: > Overly simplified, the problem boils down to the CTR DRBG needing an AES CTR cipher context to work. When creating the former, a recursive call is made to get the latter. I'm not sure what you mean with "CTR" both times. Are you saying that an AES requires a DRBG now? Kurt