From patchwork Thu Oct 27 06:55:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tianjia.zhang" X-Patchwork-Id: 13021703 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4EAA1C67871 for ; Thu, 27 Oct 2022 06:58:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LZLz0B+LG5zeY+P1Nta2FXWvPmFo5LbrFBo+rMN+Mkg=; b=3IOCTp0m10wkw/ Vy2ENsgcfiOb5wsQl2u/nu5eQZ54jqu3g2TE1a+1hC3VRHo0HlUdB0KMgPFEgUARA+Sjr4rn8rRlp 4jC+tUtv1mbCab29uNCGpWUvxQ9wUV0FiwVVKaKQtP+mNGsHNb6lsodTxYjhsuSzXfa5R7S7oowXW zoT5+XoWtZ9UeZ2Ji80fJq4+iEfQo5TAvaD7MOFmNZoI4A6Q6kyQXRrjgBp2O1evooXC4e6sJhQuR rZrUo+uqGeES1p6smCM34lH3qJjuw0fDO+7CCNsjc7iNvRa6WRw+mx3YMprJLCXtUneOE3byCEIUi kPiZEB4NNy3nHJeKyKuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1onwpu-00C2u3-TQ; Thu, 27 Oct 2022 06:57:55 +0000 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1onwna-00C1uy-Ef for linux-arm-kernel@lists.infradead.org; Thu, 27 Oct 2022 06:55:45 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R301e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045192;MF=tianjia.zhang@linux.alibaba.com;NM=1;PH=DS;RN=15;SR=0;TI=SMTPD_---0VTAHLqG_1666853722; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0VTAHLqG_1666853722) by smtp.aliyun-inc.com; Thu, 27 Oct 2022 14:55:23 +0800 From: Tianjia Zhang To: Herbert Xu , "David S. Miller" , Jussi Kivilinna , Ard Biesheuvel , Mark Brown , Catalin Marinas , Will Deacon , Maxime Coquelin , Alexandre Torgue , Eric Biggers , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Cc: Tianjia Zhang Subject: [PATCH v3 08/13] crypto: arm64/sm4 - export reusable CE acceleration functions Date: Thu, 27 Oct 2022 14:55:00 +0800 Message-Id: <20221027065505.15306-9-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20221027065505.15306-1-tianjia.zhang@linux.alibaba.com> References: <20221027065505.15306-1-tianjia.zhang@linux.alibaba.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221026_235539_652777_4100E2EB X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In the accelerated implementation of the SM4 algorithm using the Crypto Extension instructions, there are some functions that can be reused in the upcoming accelerated implementation of the GCM/CCM mode, and the CBC/CFB encryption is reused in the optimized implementation of SVESM4. Signed-off-by: Tianjia Zhang --- arch/arm64/crypto/sm4-ce-glue.c | 5 +++++ arch/arm64/crypto/sm4-ce.h | 16 ++++++++++++++++ 2 files changed, 21 insertions(+) create mode 100644 arch/arm64/crypto/sm4-ce.h diff --git a/arch/arm64/crypto/sm4-ce-glue.c b/arch/arm64/crypto/sm4-ce-glue.c index ff2d8442d473..63abcadc684b 100644 --- a/arch/arm64/crypto/sm4-ce-glue.c +++ b/arch/arm64/crypto/sm4-ce-glue.c @@ -36,6 +36,11 @@ asmlinkage void sm4_ce_cfb_dec(const u32 *rkey, u8 *dst, const u8 *src, asmlinkage void sm4_ce_ctr_enc(const u32 *rkey, u8 *dst, const u8 *src, u8 *iv, unsigned int nblks); +EXPORT_SYMBOL(sm4_ce_expand_key); +EXPORT_SYMBOL(sm4_ce_crypt_block); +EXPORT_SYMBOL(sm4_ce_cbc_enc); +EXPORT_SYMBOL(sm4_ce_cfb_enc); + static int sm4_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int key_len) { diff --git a/arch/arm64/crypto/sm4-ce.h b/arch/arm64/crypto/sm4-ce.h new file mode 100644 index 000000000000..109c21b37590 --- /dev/null +++ b/arch/arm64/crypto/sm4-ce.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * SM4 common functions for Crypto Extensions + * Copyright (C) 2022 Tianjia Zhang + */ + +void sm4_ce_expand_key(const u8 *key, u32 *rkey_enc, u32 *rkey_dec, + const u32 *fk, const u32 *ck); + +void sm4_ce_crypt_block(const u32 *rkey, u8 *dst, const u8 *src); + +void sm4_ce_cbc_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, + u8 *iv, unsigned int nblocks); + +void sm4_ce_cfb_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, + u8 *iv, unsigned int nblocks);