On Mon, Mar 20, 2017 at 09:28:58PM +0800, Herbert Xu wrote: > On Mon, Mar 20, 2017 at 12:19:32PM +0530, PrasannaKumar Muralidharan wrote: > > > > AF_ALG interface for rng does have seeding support. I think hw_random > > does not provide seeding support intentionally as I understand that > > True RNG need not require seeding (please correct me if I am wrong). > > Yes. We should be converting PRNGs in hwrng over to algif_rng. > Problem with this conversion, a huge regression for user space. Using hwrng is simple as cat /dev/hwrng. Using algif_rng via AF_ALG is ... unusable for the moment. Perhaps creating an user space tool (prng-tool which provide a cat /dev/hwrng replacement) is mandatory before any convertion. Regards
