From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DBEFC433E0 for ; Tue, 30 Jun 2020 07:46:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFE632073E for ; Tue, 30 Jun 2020 07:46:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731143AbgF3Hqy (ORCPT ); Tue, 30 Jun 2020 03:46:54 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:33274 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731137AbgF3Hqy (ORCPT ); Tue, 30 Jun 2020 03:46:54 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1jqAyb-0002zn-HT; Tue, 30 Jun 2020 17:46:46 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Tue, 30 Jun 2020 17:46:45 +1000 Date: Tue, 30 Jun 2020 17:46:45 +1000 From: Herbert Xu To: Tero Kristo 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org 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 Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt