From patchwork Wed Dec 22 04:50:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tianjia.zhang" X-Patchwork-Id: 527775 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA2A7C4332F for ; Wed, 22 Dec 2021 04:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242518AbhLVEuf (ORCPT ); Tue, 21 Dec 2021 23:50:35 -0500 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:41055 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235801AbhLVEua (ORCPT ); Tue, 21 Dec 2021 23:50:30 -0500 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R101e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04395; MF=tianjia.zhang@linux.alibaba.com; NM=1; PH=DS; RN=20; SR=0; TI=SMTPD_---0V.OXu.4_1640148626; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0V.OXu.4_1640148626) by smtp.aliyun-inc.com(127.0.0.1); Wed, 22 Dec 2021 12:50:26 +0800 From: Tianjia Zhang To: Herbert Xu , "David S. Miller" , Vitaly Chikunov , Eric Biggers , Eric Biggers , Gilad Ben-Yossef , Ard Biesheuvel , Jussi Kivilinna , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-crypto@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Tianjia Zhang Subject: [PATCH v2 2/6] crypto: arm64/sm3-ce - make dependent on sm3 library Date: Wed, 22 Dec 2021 12:50:18 +0800 Message-Id: <20211222045022.27069-3-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211222045022.27069-1-tianjia.zhang@linux.alibaba.com> References: <20211222045022.27069-1-tianjia.zhang@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org SM3 generic library is stand-alone implementation, sm3-ce can depend on the SM3 library instead of sm3-generic. Signed-off-by: Tianjia Zhang --- arch/arm64/crypto/Kconfig | 2 +- arch/arm64/crypto/sm3-ce-glue.c | 20 ++++++++++++++------ 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index addfa413650b..2a965aa0188d 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -45,7 +45,7 @@ config CRYPTO_SM3_ARM64_CE tristate "SM3 digest algorithm (ARMv8.2 Crypto Extensions)" depends on KERNEL_MODE_NEON select CRYPTO_HASH - select CRYPTO_SM3 + select CRYPTO_LIB_SM3 config CRYPTO_SM4_ARM64_CE tristate "SM4 symmetric cipher (ARMv8.2 Crypto Extensions)" diff --git a/arch/arm64/crypto/sm3-ce-glue.c b/arch/arm64/crypto/sm3-ce-glue.c index d71faca322f2..3198f31c9446 100644 --- a/arch/arm64/crypto/sm3-ce-glue.c +++ b/arch/arm64/crypto/sm3-ce-glue.c @@ -27,7 +27,7 @@ static int sm3_ce_update(struct shash_desc *desc, const u8 *data, unsigned int len) { if (!crypto_simd_usable()) - return crypto_sm3_update(desc, data, len); + return sm3_update(shash_desc_ctx(desc), data, len); kernel_neon_begin(); sm3_base_do_update(desc, data, len, sm3_ce_transform); @@ -39,7 +39,7 @@ static int sm3_ce_update(struct shash_desc *desc, const u8 *data, static int sm3_ce_final(struct shash_desc *desc, u8 *out) { if (!crypto_simd_usable()) - return crypto_sm3_finup(desc, NULL, 0, out); + return sm3_final(shash_desc_ctx(desc), out); kernel_neon_begin(); sm3_base_do_finalize(desc, sm3_ce_transform); @@ -51,14 +51,22 @@ static int sm3_ce_final(struct shash_desc *desc, u8 *out) static int sm3_ce_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { - if (!crypto_simd_usable()) - return crypto_sm3_finup(desc, data, len, out); + if (!crypto_simd_usable()) { + struct sm3_state *sctx = shash_desc_ctx(desc); + + if (len) + sm3_update(sctx, data, len); + sm3_final(sctx, out); + return 0; + } kernel_neon_begin(); - sm3_base_do_update(desc, data, len, sm3_ce_transform); + if (len) + sm3_base_do_update(desc, data, len, sm3_ce_transform); + sm3_base_do_finalize(desc, sm3_ce_transform); kernel_neon_end(); - return sm3_ce_final(desc, out); + return sm3_base_finish(desc, out); } static struct shash_alg sm3_alg = {