From patchwork Sun Feb 22 09:00:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Stockhausen X-Patchwork-Id: 5861611 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 37C15BF440 for ; Sun, 22 Feb 2015 09:00:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 01DC32055B for ; Sun, 22 Feb 2015 09:00:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B93320557 for ; Sun, 22 Feb 2015 09:00:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751836AbbBVJAN (ORCPT ); Sun, 22 Feb 2015 04:00:13 -0500 Received: from mailrelay.collogia.de ([194.8.207.98]:18014 "HELO mailrelay.collogia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751744AbbBVJAM (ORCPT ); Sun, 22 Feb 2015 04:00:12 -0500 Received: from 10.8.207.99 by mailrelay.collogia.de (InterScan VirusWall); Sun, 22 Feb 2015 10:00:23 +0100 Received: from EXCHANGE.collogia.de (192.168.10.9) by edge.collogia.de (10.8.207.99) with Microsoft SMTP Server (TLS) id 14.3.224.2; Sun, 22 Feb 2015 10:00:11 +0100 Received: from collogia.de (192.168.11.43) by exchange.collogia.de (192.168.10.9) with Microsoft SMTP Server id 14.3.224.2; Sun, 22 Feb 2015 10:00:10 +0100 Subject: [PATCH v2 7/7] AES for PPC/SPE - kernel config From: Markus Stockhausen Date: Sun, 22 Feb 2015 10:00:10 +0100 To: CC: X-Mailer: @(#) mailsend v1.17b14 (Unix) X-Copyright: BSD. It is illegal to use this software for Spamming MIME-Version: 1.0 Message-ID: <714284f3-3db3-4a04-a5f5-f1630114d8f5@EXCHANGE.collogia.de> X-TM-AS-Product-Ver: ISVW-7.00.0.1392-7.5.0.1018-21350006 X-TM-AS-Result: No X-TM-AS-Category-Info: 31:0,000000 X-TM-AS-MatchedID: 140275-147015-703523-700918-707788-702358-703712-701016-1 88019-701762-121624-703113-863916-704156-712032-701343-700264-705232-702747 -705388-160005-148035-148036-23116-29102-30060-42003 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, T_TVD_MIME_EPI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [PATCH v2 7/7] AES for PPC/SPE - kernel config Integrate the module into the kernel configuration v2 changes - better explanation of use case in help text Signed-off-by: Markus Stockhausen **************************************************************************** Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. 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Collogia Unternehmensberatung AG Ubierring 11 D-50678 Köln executive board: Kadir Akin Dr. Michael Höhnerbach President of the supervisory board: Hans Kristian Langva Registry office: district court Cologne Register number: HRB 52 497 **************************************************************************** diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile index a07e763..1698fb9 100644 --- a/arch/powerpc/crypto/Makefile +++ b/arch/powerpc/crypto/Makefile @@ -4,8 +4,10 @@ # Arch-specific CryptoAPI modules. # +obj-$(CONFIG_CRYPTO_AES_PPC_SPE) += aes-ppc-spe.o obj-$(CONFIG_CRYPTO_SHA1_PPC) += sha1-powerpc.o obj-$(CONFIG_CRYPTO_SHA256_PPC_SPE) += sha256-ppc-spe.o +aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes_spe_glue.o sha1-powerpc-y := sha1-powerpc-asm.o sha1.o sha256-ppc-spe-y := sha256-spe-asm.o sha256_spe_glue.o diff --git a/crypto/Kconfig b/crypto/Kconfig index 86d35be..f34d136 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -857,6 +857,19 @@ config CRYPTO_AES_ARM_BS This implementation does not rely on any lookup tables so it is believed to be invulnerable to cache timing attacks. +config CRYPTO_AES_PPC_SPE + tristate "AES cipher algorithms (PPC SPE)" + depends on PPC && SPE + help + AES cipher algorithms (FIPS-197). Additionally the acceleration + for popular block cipher modes ECB, CBC, CTR and XTS is supported. + This module should only be used for low power (router) devices + without hardware AES acceleration (e.g. caam crypto). It reduces the + size of the AES tables from 16KB to 8KB + 256 bytes and mitigates + timining attacks. Nevertheless it might be not as secure as other + architecture specific assembler implementations that work on 1KB + tables or 256 bytes S-boxes. + config CRYPTO_ANUBIS tristate "Anubis cipher algorithm" select CRYPTO_ALGAPI