linux-kernel - Re: [PATCH v3 4/4] crypto: starfive

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZB1y3l/IrtHrboiC@gondor.apana.org.au>
Date:   Fri, 24 Mar 2023 17:52:30 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Jia Jie Ho <jiajie.ho@...rfivetech.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor.dooley@...rochip.com>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 4/4] crypto: starfive - Add hash and HMAC support

On Mon, Mar 13, 2023 at 09:56:46PM +0800, Jia Jie Ho wrote:
>
> +static int starfive_hash_update(struct ahash_request *req)
> +{
> +	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
> +	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
> +	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
> +
> +	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
> +	rctx->ahash_fbk_req.base.flags = req->base.flags
> +		& CRYPTO_TFM_REQ_MAY_SLEEP;
> +	rctx->ahash_fbk_req.nbytes = req->nbytes;
> +	rctx->ahash_fbk_req.src = req->src;

Please don't modify the fields directly, use the ahash_request_set_*
helpers.  Since you allocated an async fallback, you should set the
callbacks too.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt