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 X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CFDFC00A89 for ; Mon, 2 Nov 2020 20:26:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1469421D40 for ; Mon, 2 Nov 2020 20:26:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="mJ+UyhqM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725929AbgKBU0e (ORCPT ); Mon, 2 Nov 2020 15:26:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725852AbgKBU0e (ORCPT ); Mon, 2 Nov 2020 15:26:34 -0500 Received: from mail-il1-x142.google.com (mail-il1-x142.google.com [IPv6:2607:f8b0:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77D96C0617A6 for ; Mon, 2 Nov 2020 12:26:34 -0800 (PST) Received: by mail-il1-x142.google.com with SMTP id t13so6184117ilp.2 for ; Mon, 02 Nov 2020 12:26:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=UBnYybDxXvPlQ/FR6bDYRXI+aV3UeFYSYbyqFSO9/oQ=; b=mJ+UyhqMb5Yoo3N8hS4hn2bmK0n7MG3mtB8XPL4H7L0jhg0nKDW1mv0bxRIbY5b1fF cgjkSTIW4iwxSba2aEWhjMQUxBJCO16mL8dr+zNh2l0kcj51/n00FXOYlOlrK/eX1Kha XR5WysWkNpUKX68GvoEub8y72D9blnKgdNh+5MICL0fomNO/wOxQy+oQS30N0MYxcJgc c1lzReOosp4qxppEuHVOaA34tnoG40RZQFOZXgOAHEfRazJS0kTyhaidYZ2kFIq9tXoB 9eVDpszitGAY8cb3o3vagJDqEPrr0ULJkaK6RJEuzckGd+d+593BmFl38q2CDu7hPbVW l0dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=UBnYybDxXvPlQ/FR6bDYRXI+aV3UeFYSYbyqFSO9/oQ=; b=HyylQyDqBHNyi40IJjFMDlO8vNQ81UY5bd6Irqm3ZkRrAnKLzx0y4lLtB6TWUhf3t4 atDFy2/UzaEpB+qkZHpU1gnXsaq+L0yFT7RwmoLeW01q/FbnpkEVZ2nkMxwCn5p1+spl MNIdFY1S/CPSzp/WXnLJ1IVfh3jppu8ti8agEKCtUS/nne8yyZj7bDgOBBh2Ly4DazyX Xk7KyXU/873TpwFp8zXyddPLGQxmwpHCMIcm1NYlt0modgH3xrUTCFlfgbvdtm3AhxeP JMbHPIuPLWSLGtTURx9CTF866B65pRTcbRCQnsFdrgdFniCAlH8h4SUPxR3Z3H5UYnpQ aRXA== X-Gm-Message-State: AOAM532H8AiZyJombH9jkSDfR0pHDRg9Ewzq4cFh3ed2PF6TvMAdfQo7 uAldPk2E25vQNjKlNGdovtxYJ8RqajRXqhdxcwWSeA== X-Google-Smtp-Source: ABdhPJy2dqn9/azAiFqQgvgb39MPjgloHef4Wta+tDac9NRmWVd5FfQQz2+cPIxsnVJ2duzRCKIXRgUuYsH7dQlJ7gE= X-Received: by 2002:a92:98c5:: with SMTP id a66mr12383942ill.50.1604348793613; Mon, 02 Nov 2020 12:26:33 -0800 (PST) MIME-Version: 1.0 References: <20201102170634.20575-1-ardb@kernel.org> In-Reply-To: From: Matthew Garrett Date: Mon, 2 Nov 2020 12:26:22 -0800 Message-ID: Subject: Re: [RFC PATCH 0/7] efi/libstub: measurement initrd data loaded by the EFI stub To: Ard Biesheuvel Cc: linux-efi , Peter Jones , Leif Lindholm , Arvind Sankar , Daniel Kiper , Ilias Apalodimas Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org On Mon, Nov 2, 2020 at 12:24 PM Ard Biesheuvel wrote: > Does Shim use PCR 7 for the MOK key database? Are there any specific > requirements from MS on which PCRs Shim must touch? Yes, shim extends PCR 7 in the same way the firmware does. There's no requirement from MS on this, it just seemed like the right solution.