From: LABBE Corentin Subject: [PATCH v4 0/4] crypto: add precalculated hash for zero message length Date: Thu, 17 Dec 2015 13:45:38 +0100 Message-ID: <1450356342-12971-1-git-send-email-clabbe.montjoie@gmail.com> Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: clabbe.montjoie@gmail.com, davem@davemloft.net, geert+renesas@glider.be, herbert@gondor.apana.org.au, luis@debethencourt.com, maxime.ripard@free-electrons.com, thomas.lendacky@amd.com, vinod.koul@intel.com Return-path: Received: from mail-wm0-f48.google.com ([74.125.82.48]:34310 "EHLO mail-wm0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756051AbbLQMpv (ORCPT ); Thu, 17 Dec 2015 07:45:51 -0500 Sender: linux-crypto-owner@vger.kernel.org List-ID: Hello Some crypto drivers cannot process empty data message and so rely on precalculated hash. This patch series add precalculated hash in headers and make the drivers use them. Changes since v3 - Added missing Kconfig depends on SHA256 Changes since v2 - Added missing Kconfig depends on MD5/SHA1 Changes since v1 - Moved arrays from headers to c file and made them EXPORT. LABBE Corentin (4): crypto: hash: add zero length message hash for shax and md5 crypto: niagara: Use precalculated hash from headers crypto: ccp: Use precalculated hash from headers crypto: ux500: Use precalculated hash from headers crypto/md5.c | 6 ++++++ crypto/sha1_generic.c | 7 +++++++ crypto/sha256_generic.c | 16 ++++++++++++++ drivers/crypto/Kconfig | 3 +++ drivers/crypto/ccp/Kconfig | 2 ++ drivers/crypto/ccp/ccp-ops.c | 39 +++++++---------------------------- drivers/crypto/n2_core.c | 33 ++++++----------------------- drivers/crypto/ux500/Kconfig | 2 ++ drivers/crypto/ux500/hash/hash_core.c | 20 ++---------------- include/crypto/md5.h | 2 ++ include/crypto/sha.h | 6 ++++++ 11 files changed, 60 insertions(+), 76 deletions(-) -- 2.4.10