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 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 00230CA1002 for ; Sat, 6 Sep 2025 22:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RkCfNQSMCduwcUT3pMyREmC3tJV9XQ6M4+jKDSwW4KA=; b=3bIWKnCGZ0j9nC3vDOFRdFMxJs aqyfcJ/qjIRC1G/nUzi3AYG4lvaisbN1sFxX74Q2QIjsiOWxivnOlj61O14tc3+A/VqDKUVBp0PPF LfWbFd9uSuduADIinaKbOG3VyUJ/dXEhGoTPPSJydBGGtaIxMwcQEsHtAIppVv0lM64rT+F9YCQsC NJ43Bi+CcWufBoO33kBJeo+L2wSK1cRJZD6wCnlu0AOSELyalQeIK7+IzMVk19fhAtRguNy/Ukgar MtD6qP6G13JbIWAVm8dDl6hOb+1NNw3vBepgZzEfBPe4uP/rkmO7fArUbP9PHod5W0e3hOZN1n4y8 Z/CoGvAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uv12I-00000008Yot-2mIf; Sat, 06 Sep 2025 22:05:30 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uv0an-00000008VAJ-2wuK for linux-arm-kernel@lists.infradead.org; Sat, 06 Sep 2025 21:37:07 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6ACA04523C; Sat, 6 Sep 2025 21:37:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9174EC4CEF5; Sat, 6 Sep 2025 21:37:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757194625; bh=CQJ4knDhIHFMSRh4/nbpAJJmql9MOH99GJgLFyWdS58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vC0Kr4aV2MDmbVpnymLdTPEZrGi3BkuR7l6W7PpSF5Hy0JlNrPuytbWgARqDEFWa4 ksLj7ObBc4HIiTFQnpZraghc+4ZAxZ7ioXuydpWTZ4MELVghPd1RD7aXGCEXCeaOW1 87lHedKJzwLvy+1jTtDOo8Q2kz37c7gTztVpg1RWvKqgWwEevXx4sJ2+upJpJHZY21 91QIKZ38fMjYyYaN9kYVmNqvpfM9y0gmOPzDzCCtqlbTDpSpjNvuyV5+kz2arf0ZSP HiDCrFyj6R3DHGrZyUbp9crRNTK2/izTBCE0rBrWam6dUR+XIEPQqJFToXJz3e6yqz BuxmwJBc/SW1Q== From: Eric Biggers To: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , "Jason A . Donenfeld" , Zhiqi Song , Longfang Liu , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Eric Biggers Subject: [PATCH v2 09/12] lib/crypto: curve25519: Move a couple functions out-of-line Date: Sat, 6 Sep 2025 14:35:20 -0700 Message-ID: <20250906213523.84915-10-ebiggers@kernel.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250906213523.84915-1-ebiggers@kernel.org> References: <20250906213523.84915-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250906_143705_796054_9EF6C383 X-CRM114-Status: GOOD ( 11.36 ) 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 Move curve25519() and curve25519_generate_public() from curve25519.h to curve25519.c. There's no good reason for them to be inline. Signed-off-by: Eric Biggers --- include/crypto/curve25519.h | 28 +++------------------------- lib/crypto/curve25519.c | 34 +++++++++++++++++++++++++++++++++- 2 files changed, 36 insertions(+), 26 deletions(-) diff --git a/include/crypto/curve25519.h b/include/crypto/curve25519.h index 4e6dc840b1592..78aa5f28c847f 100644 --- a/include/crypto/curve25519.h +++ b/include/crypto/curve25519.h @@ -4,11 +4,10 @@ */ #ifndef CURVE25519_H #define CURVE25519_H -#include // For crypto_memneq. #include #include enum curve25519_lengths { CURVE25519_KEY_SIZE = 32 @@ -26,37 +25,16 @@ void curve25519_arch(u8 out[CURVE25519_KEY_SIZE], const u8 point[CURVE25519_KEY_SIZE]); void curve25519_base_arch(u8 pub[CURVE25519_KEY_SIZE], const u8 secret[CURVE25519_KEY_SIZE]); -static inline bool __must_check curve25519(u8 mypublic[CURVE25519_KEY_SIZE], const u8 secret[CURVE25519_KEY_SIZE], - const u8 basepoint[CURVE25519_KEY_SIZE]) -{ - if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) - curve25519_arch(mypublic, secret, basepoint); - else - curve25519_generic(mypublic, secret, basepoint); - return crypto_memneq(mypublic, curve25519_null_point, - CURVE25519_KEY_SIZE); -} + const u8 basepoint[CURVE25519_KEY_SIZE]); -static inline bool -__must_check curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE], - const u8 secret[CURVE25519_KEY_SIZE]) -{ - if (unlikely(!crypto_memneq(secret, curve25519_null_point, - CURVE25519_KEY_SIZE))) - return false; - - if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) - curve25519_base_arch(pub, secret); - else - curve25519_generic(pub, secret, curve25519_base_point); - return crypto_memneq(pub, curve25519_null_point, CURVE25519_KEY_SIZE); -} +bool __must_check curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE], + const u8 secret[CURVE25519_KEY_SIZE]); static inline void curve25519_clamp_secret(u8 secret[CURVE25519_KEY_SIZE]) { secret[0] &= 248; secret[31] = (secret[31] & 127) | 64; diff --git a/lib/crypto/curve25519.c b/lib/crypto/curve25519.c index 25f16777865bf..1b786389d714a 100644 --- a/lib/crypto/curve25519.c +++ b/lib/crypto/curve25519.c @@ -8,12 +8,44 @@ * * Information: https://cr.yp.to/ecdh.html */ #include -#include +#include +#include #include +#include + +bool __must_check +curve25519(u8 mypublic[CURVE25519_KEY_SIZE], + const u8 secret[CURVE25519_KEY_SIZE], + const u8 basepoint[CURVE25519_KEY_SIZE]) +{ + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) + curve25519_arch(mypublic, secret, basepoint); + else + curve25519_generic(mypublic, secret, basepoint); + return crypto_memneq(mypublic, curve25519_null_point, + CURVE25519_KEY_SIZE); +} +EXPORT_SYMBOL(curve25519); + +bool __must_check +curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE], + const u8 secret[CURVE25519_KEY_SIZE]) +{ + if (unlikely(!crypto_memneq(secret, curve25519_null_point, + CURVE25519_KEY_SIZE))) + return false; + + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CURVE25519)) + curve25519_base_arch(pub, secret); + else + curve25519_generic(pub, secret, curve25519_base_point); + return crypto_memneq(pub, curve25519_null_point, CURVE25519_KEY_SIZE); +} +EXPORT_SYMBOL(curve25519_generate_public); static int __init curve25519_init(void) { return 0; } -- 2.50.1