Messages in this thread | | | Date | Thu, 3 Aug 2017 11:16:52 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v1] crypto: caam - set hwrng quality level |
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On Wed, Aug 02, 2017 at 02:03:14PM +0000, Horia Geantă wrote: > > Take CAAM's engine HWRNG: it can work both as a TRNG and as a > TRNG-seeded DRBG (that's how it's currently configured). > IIUC, both setups are fit as source for the entropy pool.
So which is it? If it's a DRBG then it should not be exposed through the hwrng interface. Only TRNG should go through hwrng. DRBGs can use the crypto rng API.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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