Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 30 Jun 2020 17:46:45 +1000
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Tero Kristo <t-kristo@ti.com>
Cc:     davem@davemloft.net, linux-crypto@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, j-keerthy@ti.com
Subject: Re: [PATCHv4 3/7] crypto: sa2ul: add sha1/sha256/sha512 support
Message-ID: <20200630074645.GA2449@gondor.apana.org.au>
References: <20200615071452.25141-1-t-kristo@ti.com>
 <20200615071452.25141-4-t-kristo@ti.com>
 <20200626043155.GA2683@gondor.apana.org.au>
 <2a89ea86-3b9e-06b5-fa8e-9dc6e5ad9aeb@ti.com>
 <20200630044936.GA22565@gondor.apana.org.au>
 <b8c209cd-2b5d-54e4-9b64-94e5d1f0e60c@ti.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <b8c209cd-2b5d-54e4-9b64-94e5d1f0e60c@ti.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-crypto-owner@vger.kernel.org
Precedence: bulk

On Tue, Jun 30, 2020 at 10:20:06AM +0300, Tero Kristo wrote:
>
> Only up-to block size? This would limit the buffer to 64-128 bytes.

The exported hash state is not supposed to be used to support
hardware that does not support partial hashing.

These states could potentially be placed on the stack so they
must not be large.

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