From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3896115E5D4; Thu, 31 Jul 2025 19:27:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753990044; cv=none; b=Dl+1mQnFERrek8qS43MJsxL2SF2vnp3H4VEJWKZknlhIvsIZAYy6W7A/dKVxB2VOw9EwmtwDrsdcxKACK4ICs0ebmKgV9MtnDYAB2iH+L7hbv6Tr/rOij2ANt1f1QCBO0q8vyr2zIOga+C/8zmqM0VXvGIyPz8ZGyPqyR1tjyXo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753990044; c=relaxed/simple; bh=Edb0Yx43f8y8puSiprUt8OUSHZGwnjbuJAP3ut+p2ko=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lyG78rXGTkJayEBirAIvkOtvyMSIs9rgG5ev2WTllwUSkOGw+8ZyzPhCBSg408xA3eiJQxpEibGRxjpxvaDM5PrvltG7HcdHpYfN+dSy1XBrqoSQmJaT5exiQT2elmbxFdYqN82H3orz5+ZDkXBI60tGZw1AaVCIscw7lS8cGeA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PCWbNMcP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PCWbNMcP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4176BC4CEEF; Thu, 31 Jul 2025 19:27:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753990043; bh=Edb0Yx43f8y8puSiprUt8OUSHZGwnjbuJAP3ut+p2ko=; h=From:To:Cc:Subject:Date:From; b=PCWbNMcPXGe1GNcL3rznBg1jUtZRuMpiaU8AoOG3tnuYUtPlc9JeAXplX40fVm8fa otv01LHmgW5p7rYRezV/RmkC+wfoavA1gDl4BBnVMW4mNcTRNX5Ajmpds9OB+PGUzk ExYh9ZzPpusXqry7YONO65O6XO6k6bioIvFCi/pZqmhe26KABxREIEWl3Ob/UfPX6X WKrdrCBUBTT7xks1eE0cSU0xKoQlCTIv+GFZJEVN+6OTQzeaECrNKywsfXs2HYMz62 /6HlnmUpkMSaMn0jr0jTT6KDIAcQog1kwY3LS5T2h7tJfF/zSaOg1udEXehVsZSVse 7/kzLlr2+1Wzw== From: Eric Biggers To: linux-usb@vger.kernel.org, Andreas Noever , Michael Jamet , Mika Westerberg , Yehezkel Bernat , Greg Kroah-Hartman Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Eric Biggers Subject: [PATCH 0/2] thunderbolt: HMAC fix and cleanup Date: Thu, 31 Jul 2025 12:25:43 -0700 Message-ID: <20250731192545.29869-1-ebiggers@kernel.org> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Patch 1 fixes the HMAC comparison in the thunderbolt driver to be constant-time. Patch 2 simplifies the HMAC computation in the thunderbolt driver by using the library API instead of crypto_shash. Note that this depends on the HMAC-SHA256 library API that was merged for v6.17-rc1. Eric Biggers (2): thunderbolt: Compare HMAC values in constant time thunderbolt: Use HMAC-SHA256 library instead of crypto_shash drivers/thunderbolt/Kconfig | 4 ++-- drivers/thunderbolt/domain.c | 45 ++++++------------------------------ 2 files changed, 9 insertions(+), 40 deletions(-) base-commit: d6084bb815c453de27af8071a23163a711586a6c -- 2.50.1