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([148.252.133.210]) by smtp.gmail.com with ESMTPSA id v18-20020a5d6792000000b003063a92bbf5sm9239422wru.70.2023.07.09.06.59.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jul 2023 06:59:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688911191; x=1691503191; 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=gLgfXZyf9aATX9TfQItUdKukGg6cdQDyWQ8EagJh33A=; b=RXcbdHlpK9Er6yTyJfRDGUnb17ZmAkVa3t3W6p3t8wTuAypGbqegPgPyaDnKvh0uyx hK/QC5NAoUqheeEdO6coEbF0UbfAN18aXOzopDRHRJTuVHc9uSGJ8DMfMWW3iAgtusyn 4GFa9MSOD22v2J17/I3s+OnJWI2fyhLCPs1koVLKvMCFiPiH+syeJWtLIGcrb41gAAoq gVvJpwEggInGAYeXWxPZ7gAKaikJcq1VB1AJL7uPNjbhpkr/s1Yu6kiJ0BUGrPNDdvGr zRlo9JC8hkKDLpaKzOTkkEhJLo+uAnkT036CIKAqLSpy2b0HJ8MZTejvveLUsGO2mTAc VKWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688911191; x=1691503191; 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=gLgfXZyf9aATX9TfQItUdKukGg6cdQDyWQ8EagJh33A=; b=BXlJITHDOT65Vk2+p4W+BvEjBXHDrBMIiZh88gwa72c1D7UnIMOt7GrIobmULPjPfW Kcquir1voDWrAF8HF9rG7p6rEdl3QgiwzmIYS/sTePv9g5db1bZBp5fk5+0w7parEpiy Gba42fnoV+6aeR0eR7fQD8nFJxSwzTTJiXwECRtmws/XyFcXQCjpJuECQKA+hCViBpmu mcrMkVIuytX1Ro+h4mRHO3p4RxjE9iAR6oBrBwc0NkxBpGd+OLvfL972YFsKyUaiF2M/ QRV8QJGXchuC6PEKiiCWo/6ID7sal4rsIaqQ8sBKhp88k+lx3BctWcTw/h+N878Np22i QdNg== X-Gm-Message-State: ABy/qLbxDE66LemnbtuM2LiiB1llv9jVZ4tWaQsQnFWA475UGaIMnRau Uvx6Cfsboe3L9ZxFwnsNizN3LsUjsEDaY5sTzpuK9A== X-Google-Smtp-Source: APBJJlGA711fuM+6/RkOAFdjV/IMk21ci+H67mNk0w1I9Pnmhe8ruUpeliA9BUywsqirBiRYGYBNaA== X-Received: by 2002:a5d:66c9:0:b0:313:f990:c631 with SMTP id k9-20020a5d66c9000000b00313f990c631mr8340848wrw.44.1688911190964; Sun, 09 Jul 2023 06:59:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 04/37] crypto/aes: Add AES_SH, AES_ISH macros Date: Sun, 9 Jul 2023 14:59:12 +0100 Message-Id: <20230709135945.250311-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230709135945.250311-1-richard.henderson@linaro.org> References: <20230709135945.250311-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x42c.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=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1688911288477100001 These macros will constant fold and avoid the indirection through memory when fully unrolling some new primitives. Acked-by: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- crypto/aes.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/crypto/aes.c b/crypto/aes.c index 67bb74b8e3..e65c97e0c1 100644 --- a/crypto/aes.c +++ b/crypto/aes.c @@ -108,12 +108,24 @@ const uint8_t AES_isbox[256] =3D { 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D, }; =20 +/* AES ShiftRows, for complete unrolling. */ +#define AES_SH(X) (((X) * 5) & 15) + const uint8_t AES_shifts[16] =3D { - 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11 + AES_SH(0x0), AES_SH(0x1), AES_SH(0x2), AES_SH(0x3), + AES_SH(0x4), AES_SH(0x5), AES_SH(0x6), AES_SH(0x7), + AES_SH(0x8), AES_SH(0x9), AES_SH(0xA), AES_SH(0xB), + AES_SH(0xC), AES_SH(0xD), AES_SH(0xE), AES_SH(0xF), }; =20 +/* AES InvShiftRows, for complete unrolling. */ +#define AES_ISH(X) (((X) * 13) & 15) + const uint8_t AES_ishifts[16] =3D { - 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3 + AES_ISH(0x0), AES_ISH(0x1), AES_ISH(0x2), AES_ISH(0x3), + AES_ISH(0x4), AES_ISH(0x5), AES_ISH(0x6), AES_ISH(0x7), + AES_ISH(0x8), AES_ISH(0x9), AES_ISH(0xA), AES_ISH(0xB), + AES_ISH(0xC), AES_ISH(0xD), AES_ISH(0xE), AES_ISH(0xF), }; =20 /* --=20 2.34.1