linux-kernel - Re: [PATCH] docs: security: Confidential computing intro and threat model

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 27 Apr 2023 09:46:31 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     jejb@...ux.ibm.com, "Reshetova, Elena" <elena.reshetova@...el.com>,
        "Christopherson, , Sean" <seanjc@...gle.com>
Cc:     Carlos Bilbao <carlos.bilbao@....com>,
        "corbet@....net" <corbet@....net>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ardb@...nel.org" <ardb@...nel.org>,
        "kraxel@...hat.com" <kraxel@...hat.com>,
        "dovmurik@...ux.ibm.com" <dovmurik@...ux.ibm.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "Dhaval.Giani@....com" <Dhaval.Giani@....com>,
        "michael.day@....com" <michael.day@....com>,
        "pavankumar.paluri@....com" <pavankumar.paluri@....com>,
        "David.Kaplan@....com" <David.Kaplan@....com>,
        "Reshma.Lal@....com" <Reshma.Lal@....com>,
        "Jeremy.Powell@....com" <Jeremy.Powell@....com>,
        "sathyanarayanan.kuppuswamy@...ux.intel.com" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        "alexander.shishkin@...ux.intel.com" 
        <alexander.shishkin@...ux.intel.com>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "dgilbert@...hat.com" <dgilbert@...hat.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "dinechin@...hat.com" <dinechin@...hat.com>,
        "linux-coco@...ts.linux.dev" <linux-coco@...ts.linux.dev>,
        "berrange@...hat.com" <berrange@...hat.com>,
        "mst@...hat.com" <mst@...hat.com>, "tytso@....edu" <tytso@....edu>,
        "jikos@...nel.org" <jikos@...nel.org>,
        "joro@...tes.org" <joro@...tes.org>,
        "leon@...nel.org" <leon@...nel.org>,
        "richard.weinberger@...il.com" <richard.weinberger@...il.com>,
        "lukas@...ner.de" <lukas@...ner.de>,
        "cdupontd@...hat.com" <cdupontd@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "sameo@...osinc.com" <sameo@...osinc.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "security@...nel.org" <security@...nel.org>,
        Andrew Bresticker <abrestic@...osinc.com>,
        Rajnesh Kanwal <rkanwal@...osinc.com>,
        Dylan Reid <dylan@...osinc.com>,
        Ravi Sahita <ravi@...osinc.com>
Subject: Re: [PATCH] docs: security: Confidential computing intro and threat
 model



On 4/27/23 09:16, James Bottomley wrote:
> Public but not open source is still a problem.  The federal government
> has walked into several cloud accounts demanding a source code security
> review, which means the code was made public to them but not generally.

Apparently we have different definitions of "public".
I don't call that public.

> Without all customers or some third party being able to build the code
> and verify it (or ideally supply it ... think something like Red Hat
> built the OVMF code this cloud is using and you can prove it using
> their build signatures) how do you know the source you're given
> corresponds to the binary the signature verifies.


-- 
~Randy