On Wed, Jun 21, 2017 at 08:48:55AM +0200, Maxime Ripard wrote: > On Tue, Jun 20, 2017 at 01:45:36PM +0200, Corentin Labbe wrote: > > On Tue, Jun 20, 2017 at 11:59:47AM +0200, Maxime Ripard wrote: > > > Hi, > > > > > > On Tue, Jun 20, 2017 at 10:58:19AM +0200, Corentin Labbe wrote: > > > > The Security System have a PRNG, this patch add support for it via > > > > crypto_rng. > > > > > > This might be a dumb question, but is the CRYPTO_RNG code really > > > supposed to be used with PRNG? > > > > > > > Yes, see recently added drivers/crypto/exynos-rng.c > > It's still not really clear from the commit log (if you're talking > about c46ea13f55b6) why and if using the RNG code for a PRNG is a good > idea. The hwrng interface is meant for true hardware RNGs. The crypto API rng interface is primarily intended for PRNGs. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
