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=-2.2 required=3.0 tests=FAKE_REPLY_C, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 2FF33C47247 for ; Fri, 8 May 2020 06:08:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1463C20720 for ; Fri, 8 May 2020 06:08:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgEHGIa (ORCPT ); Fri, 8 May 2020 02:08:30 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:40224 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbgEHGI3 (ORCPT ); Fri, 8 May 2020 02:08:29 -0400 Received: from gwarestrin.me.apana.org.au ([192.168.0.7] helo=gwarestrin.arnor.me.apana.org.au) by fornost.hmeau.com with smtp (Exim 4.89 #2 (Debian)) id 1jWw4W-00055R-7Y; Fri, 08 May 2020 16:01:21 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Fri, 08 May 2020 16:07:59 +1000 Date: Fri, 8 May 2020 16:07:59 +1000 From: Herbert Xu To: Eric Biggers Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Jason@zx2c4.com, tytso@mit.edu, pabeni@redhat.com, mptcp@lists.01.org, linuxppc-dev@lists.ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org, linux-s390@vger.kernel.org Subject: Re: [PATCH 0/7] sha1 library cleanup Message-ID: <20200508060759.GA24982@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200502182427.104383-1-ebiggers@kernel.org> X-Newsgroups: apana.lists.os.linux.cryptoapi,apana.lists.os.linux.kernel User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric Biggers wrote: > sounds very generic and important, like it's the > header to include if you're doing cryptographic hashing in the kernel. > But actually it only includes the library implementation of the SHA-1 > compression function (not even the full SHA-1). This should basically > never be used anymore; SHA-1 is no longer considered secure, and there > are much better ways to do cryptographic hashing in the kernel. > > Also the function is named just "sha_transform()", which makes it > unclear which version of SHA is meant. > > Therefore, this series cleans things up by moving these SHA-1 > declarations into where they better belong, and changing > the names to say SHA-1 rather than just SHA. > > As future work, we should split sha.h into sha1.h and sha2.h and try to > remove the remaining uses of SHA-1. For example, the remaining use in > drivers/char/random.c is probably one that can be gotten rid of. > > This patch series applies to cryptodev/master. > > Eric Biggers (7): > mptcp: use SHA256_BLOCK_SIZE, not SHA_MESSAGE_BYTES > crypto: powerpc/sha1 - remove unused temporary workspace > crypto: powerpc/sha1 - prefix the "sha1_" functions > crypto: s390/sha1 - prefix the "sha1_" functions > crypto: lib/sha1 - rename "sha" to "sha1" > crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h > crypto: lib/sha1 - fold linux/cryptohash.h into crypto/sha.h > > Documentation/security/siphash.rst | 2 +- > arch/arm/crypto/sha1_glue.c | 1 - > arch/arm/crypto/sha1_neon_glue.c | 1 - > arch/arm/crypto/sha256_glue.c | 1 - > arch/arm/crypto/sha256_neon_glue.c | 1 - > arch/arm/kernel/armksyms.c | 1 - > arch/arm64/crypto/sha256-glue.c | 1 - > arch/arm64/crypto/sha512-glue.c | 1 - > arch/microblaze/kernel/microblaze_ksyms.c | 1 - > arch/mips/cavium-octeon/crypto/octeon-md5.c | 1 - > arch/powerpc/crypto/md5-glue.c | 1 - > arch/powerpc/crypto/sha1-spe-glue.c | 1 - > arch/powerpc/crypto/sha1.c | 33 ++++++++++----------- > arch/powerpc/crypto/sha256-spe-glue.c | 1 - > arch/s390/crypto/sha1_s390.c | 12 ++++---- > arch/sparc/crypto/md5_glue.c | 1 - > arch/sparc/crypto/sha1_glue.c | 1 - > arch/sparc/crypto/sha256_glue.c | 1 - > arch/sparc/crypto/sha512_glue.c | 1 - > arch/unicore32/kernel/ksyms.c | 1 - > arch/x86/crypto/sha1_ssse3_glue.c | 1 - > arch/x86/crypto/sha256_ssse3_glue.c | 1 - > arch/x86/crypto/sha512_ssse3_glue.c | 1 - > crypto/sha1_generic.c | 5 ++-- > drivers/char/random.c | 8 ++--- > drivers/crypto/atmel-sha.c | 1 - > drivers/crypto/chelsio/chcr_algo.c | 1 - > drivers/crypto/chelsio/chcr_ipsec.c | 1 - > drivers/crypto/omap-sham.c | 1 - > fs/f2fs/hash.c | 1 - > include/crypto/sha.h | 10 +++++++ > include/linux/cryptohash.h | 14 --------- > include/linux/filter.h | 4 +-- > include/net/tcp.h | 1 - > kernel/bpf/core.c | 18 +++++------ > lib/crypto/chacha.c | 1 - > lib/sha1.c | 24 ++++++++------- > net/core/secure_seq.c | 1 - > net/ipv6/addrconf.c | 10 +++---- > net/ipv6/seg6_hmac.c | 1 - > net/mptcp/crypto.c | 4 +-- > 41 files changed, 69 insertions(+), 104 deletions(-) > delete mode 100644 include/linux/cryptohash.h > > > base-commit: 12b3cf9093542d9f752a4968815ece836159013f All applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt