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From:   Stephan =?ISO-8859-1?Q?M=FCller?= <smueller@chronox.de>
To:     linux-crypto@vger.kernel.org, Elena Petrova <lenaptr@google.com>
Cc:     Elena Petrova <lenaptr@google.com>,
        Eric Biggers <ebiggers@kernel.org>,
        Ard Biesheuvel <ardb@kernel.org>,
        Jeffrey Vander Stoep <jeffv@google.com>
Subject: Re: [PATCH v4] crypto: af_alg - add extra parameters for DRBG interface
Date:   Wed, 29 Jul 2020 21:26:20 +0200
Message-ID: <2540335.mvXUDI8C0e@positron.chronox.de>
In-Reply-To: <20200729154501.2461888-1-lenaptr@google.com>
References: <20200728173603.GD4053562@gmail.com> <20200729154501.2461888-1-lenaptr@google.com>
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Am Mittwoch, 29. Juli 2020, 17:45:01 CEST schrieb Elena Petrova:

Hi Elena,

> Extend the user-space RNG interface:
>   1. Add entropy input via ALG_SET_DRBG_ENTROPY setsockopt option;
>   2. Add additional data input via sendmsg syscall.
>=20
> This allows DRBG to be tested with test vectors, for example for the
> purpose of CAVP testing, which otherwise isn't possible.
>=20
> To prevent erroneous use of entropy input, it is hidden under
> CRYPTO_USER_API_CAVP_DRBG config option and requires CAP_SYS_ADMIN to
> succeed.
>=20
> Signed-off-by: Elena Petrova <lenaptr@google.com>

Acked-by: Stephan M=FCller <smueller@chronox.de>

Ciao
Stephan