From patchwork Tue Jun 27 17:45:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Chou X-Patchwork-Id: 13294859 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 BAEE0C001B0 for ; Tue, 27 Jun 2023 17:48:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qECmU-0002Zo-Cv; Tue, 27 Jun 2023 13:47:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qECmS-0002V2-Mx for qemu-devel@nongnu.org; Tue, 27 Jun 2023 13:47:08 -0400 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qECmQ-00057Q-7n for qemu-devel@nongnu.org; Tue, 27 Jun 2023 13:47:08 -0400 Received: by mail-pg1-x52f.google.com with SMTP id 41be03b00d2f7-557790487feso3334891a12.0 for ; Tue, 27 Jun 2023 10:47:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1687888025; x=1690480025; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=b2i4C//+f+GUGaLVpvFtKlZSxEtNqEo8pMI1bJM7rlM=; b=J5sR0G4TYUF4RHc4V1R8rnIYxZlzAkse8OzwHwpF7tlVajYQkXWhTpyqiRqK35suLJ odfkdtvIe/2R6Iapq0Wf0MNMJvk/P2Z74cZHQJ1f5PtVcry39jz4h30ewR5dzgE3722y WUvh+o1V4w4oTiDsYo+AAmu46wIZZFtoNV7+u+jUbZIbNyQqJGj1lFL8CIj4NzSK4fLz OxpkSonArBYQktMl/P+LbwwiHMD/J0GNktDHiDTjd6durZhh3Ot9PNDyOZJ5YsZTmIbU Dtdf6Xo2F/rEStCdULY2RVNgOOpC3HRjcrbGUR2a+Ls+htJsUT8HSKKlH+k5E/YPUBj6 Q/vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687888025; x=1690480025; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=b2i4C//+f+GUGaLVpvFtKlZSxEtNqEo8pMI1bJM7rlM=; b=WMqVKV+HJfdPFo089c386FoR3LOwYfh4H5e/2rggFtLeJRei/+4xiMVPEoaqoo/USm hml1nbMja9O6L2vK1uPIv3ETe5EFGV8wsFkAhPWLLVBHuhNQeUB8FRTcH2Su00ZnAEQR WIJA929CmPMfdoP85VYHwnWDcXTTU/WJDQH5J+vFXMqMObIvfoebMBxYFJFjAR4W+r5Y YwY3tEz3BFRTXAbn2A0qYwzyh+ZqdzA1i5GMoxZZMPmG94g+wrCSoIpxRlm5C34RBI6n MhjhwBUSy3+dmF/q6AG0jTVk0qvh/eXx3K2ysXKWMITjMfCVogtBz/ur6dMcsdGqgpAc Ftlw== X-Gm-Message-State: AC+VfDxI9bVHLBNFBJGx+W6R4sVFh7/biJGMv9lZjYSKP60MUCkVvdmL xThkV3kDTSot+W8/zKbijEmQHxm3wdR76uGQunX7+wRCTjEuZi8GFZBrLE02wE2NzJi4NOOjVl2 y7BQRHBr4D1unVqRzy1GNRBDbSzatM9lLqORMmiO4pXJSauPJkkE11a0B3o/CaoS96LEE5YVv3p D3TK8= X-Google-Smtp-Source: ACHHUZ4gyy3qxOAJ80P65YRSOF3OjLLQ9DijIiznyN/R5N9aSlcchQ/c2cuxkhNP3iev4nqxWhj5qA== X-Received: by 2002:a05:6a20:430c:b0:11d:2b0c:7f32 with SMTP id h12-20020a056a20430c00b0011d2b0c7f32mr41607143pzk.13.1687888024602; Tue, 27 Jun 2023 10:47:04 -0700 (PDT) Received: from MaxdeMBP.localdomain (125-228-20-175.hinet-ip.hinet.net. [125.228.20.175]) by smtp.gmail.com with ESMTPSA id i9-20020aa78b49000000b00666e883757fsm5705144pfd.123.2023.06.27.10.47.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jun 2023 10:47:04 -0700 (PDT) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: dbarboza@ventanamicro.com, Max Chou , Frank Chang , Richard Henderson , =?utf-8?q?Daniel_P=2E_Ber?= =?utf-8?q?rang=C3=A9?= , Peter Maydell , qemu-arm@nongnu.org Subject: [PATCH v6 13/15] crypto: Create sm4_subword Date: Wed, 28 Jun 2023 01:45:47 +0800 Message-Id: <20230627174551.65498-14-max.chou@sifive.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20230627174551.65498-1-max.chou@sifive.com> References: <20230627174551.65498-1-max.chou@sifive.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=max.chou@sifive.com; helo=mail-pg1-x52f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Allows sharing of sm4_subword between different targets. Signed-off-by: Max Chou Reviewed-by: Frank Chang Reviewed-by: Richard Henderson Signed-off-by: Max Chou --- include/crypto/sm4.h | 8 ++++++++ target/arm/tcg/crypto_helper.c | 10 ++-------- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/include/crypto/sm4.h b/include/crypto/sm4.h index 9bd3ebc62e..de8245d8a7 100644 --- a/include/crypto/sm4.h +++ b/include/crypto/sm4.h @@ -3,4 +3,12 @@ extern const uint8_t sm4_sbox[256]; +static inline uint32_t sm4_subword(uint32_t word) +{ + return sm4_sbox[word & 0xff] | + sm4_sbox[(word >> 8) & 0xff] << 8 | + sm4_sbox[(word >> 16) & 0xff] << 16 | + sm4_sbox[(word >> 24) & 0xff] << 24; +} + #endif diff --git a/target/arm/tcg/crypto_helper.c b/target/arm/tcg/crypto_helper.c index fdd70abbfd..7cadd61e12 100644 --- a/target/arm/tcg/crypto_helper.c +++ b/target/arm/tcg/crypto_helper.c @@ -614,10 +614,7 @@ static void do_crypto_sm4e(uint64_t *rd, uint64_t *rn, uint64_t *rm) CR_ST_WORD(d, (i + 3) % 4) ^ CR_ST_WORD(n, i); - t = sm4_sbox[t & 0xff] | - sm4_sbox[(t >> 8) & 0xff] << 8 | - sm4_sbox[(t >> 16) & 0xff] << 16 | - sm4_sbox[(t >> 24) & 0xff] << 24; + t = sm4_subword(t); CR_ST_WORD(d, i) ^= t ^ rol32(t, 2) ^ rol32(t, 10) ^ rol32(t, 18) ^ rol32(t, 24); @@ -651,10 +648,7 @@ static void do_crypto_sm4ekey(uint64_t *rd, uint64_t *rn, uint64_t *rm) CR_ST_WORD(d, (i + 3) % 4) ^ CR_ST_WORD(m, i); - t = sm4_sbox[t & 0xff] | - sm4_sbox[(t >> 8) & 0xff] << 8 | - sm4_sbox[(t >> 16) & 0xff] << 16 | - sm4_sbox[(t >> 24) & 0xff] << 24; + t = sm4_subword(t); CR_ST_WORD(d, i) ^= t ^ rol32(t, 13) ^ rol32(t, 23); }