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Date:   Tue, 4 Aug 2020 12:18:10 +1000
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Elena Petrova <lenaptr@google.com>
Cc:     "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@vger.kernel.org>, Eric Biggers <ebiggers@kernel.org>,
        Stephan Mueller <smueller@chronox.de>,
        Ard Biesheuvel <ardb@kernel.org>,
        Jeffrey Vander Stoep <jeffv@google.com>
Subject: Re: [PATCH v4] crypto: af_alg - add extra parameters for DRBG
 interface
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On Mon, Aug 03, 2020 at 03:48:02PM +0100, Elena Petrova wrote:
>
> sendmsg is used for "Additional Data" input, and unlike entropy, it
> could be useful outside of testing. But if you confirm it's not
> useful, then yes, I can decouple the testing parts.

Unless there is someone asking for it then I'd rather not export
it to user-space.

> Depends on the comment above, but otherwise, my only concern is that
> the testing variant of rng_recvmsg would be largely copy-pasted from
> the normal rng_recvmsg, apart from a few lines of lock/release and
> crypto_rng_generate/crypto_rng_get_bytes.

They could certainly share code through the use of functions.

Chers,
-- 
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