From: "Dr. Greg" <greg@enjellic.com>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: "Dr. Greg" <greg@enjellic.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jethro Beekman <jethro@fortanix.com>,
Andy Lutomirski <luto@amacapital.net>,
Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@intel.com>,
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
"linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"nhorman@redhat.com" <nhorman@redhat.com>,
"npmccallum@redhat.com" <npmccallum@redhat.com>,
"Ayoun, Serge" <serge.ayoun@intel.com>,
"Katz-zamir, Shay" <shay.katz-zamir@intel.com>,
"Huang, Haitao" <haitao.huang@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
"Svahn, Kai" <kai.svahn@intel.com>,
Borislav Petkov <bp@alien8.de>,
Josh Triplett <josh@joshtriplett.org>,
"Huang, Kai" <kai.huang@intel.com>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH v20 00/28] Intel SGX1 support
Date: Mon, 22 Apr 2019 11:24:11 -0500 [thread overview]
Message-ID: <20190422162411.GA27389@wind.enjellic.com> (raw)
In-Reply-To: <20190422150119.GA1236@linux.intel.com>
On Mon, Apr 22, 2019 at 08:01:19AM -0700, Sean Christopherson wrote:
Good morning to everyone, I hope the week is starting well.
> On Sat, Apr 20, 2019 at 11:02:47AM -0500, Dr. Greg wrote:
> > We understand and support the need for the LSM to trap these
> > events, but what does LSM provenance mean if the platform is
> > compromised? That is, technically, the target application for SGX
> > technology.
> No, it's not. Protecting the kernel/platform from a malicious
> entity is outside the scope of SGX.
You must have misinterpreted my statement, providing security
guarantees in the face of a compromised platform is exactly what SGX
was designed to do and is how Intel is marketing the technology.
From the first paragraph (Introduction) in the following document:
https://software.intel.com/sites/default/files/managed/50/8c/Intel-SGX-Product-Brief.pdf
"Intel Software Guard Extensions (Intel SGX) protects selected code
and data from disclosure or modification. Developers can partition
their application into CPU hardened 'enclaves' or protected areas of
execution that increase security even on compromised platforms".
In addition, one of the major use cases for this technology is the
ability to push data and application code up onto cloud platforms with
a guarantee that not even the platform owner or administrators can
compromise the integrity or confidentiality of the code and data.
As I've noted before, from an OS driver perspective, security and
privacy models which are dependent on an uncompromised platform and
user privileges are inconsistent with the SGX security architecture.
Doing SGX right is about applying cryptographically defined provenance
and integrity models.
Our autonomous introspection technology uses SGX to protect the
platform at large but we are unique with respect to how the technology
is being applied.
Have a good day.
Dr. Greg
As always,
Dr. G.W. Wettstein, Ph.D. Enjellic Systems Development, LLC.
4206 N. 19th Ave. Specializing in information infra-structure
Fargo, ND 58102 development.
PH: 701-281-1686
FAX: 701-281-3949 EMAIL: greg@enjellic.com
------------------------------------------------------------------------------
"You and Uncle Pete drank the whole thing? That was a $250.00 bottle
of whisky.
Yeah, it was good."
-- Rick Engen
Resurrection.
next prev parent reply other threads:[~2019-04-22 16:26 UTC|newest]
Thread overview: 285+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-17 10:39 [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 01/28] x86/cpufeatures: Add Intel-defined SGX feature bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 02/28] x86/cpufeatures: Add SGX sub-features (as Linux-defined bits) Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 03/28] x86/msr: Add IA32_FEATURE_CONTROL.SGX_ENABLE definition Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 04/28] x86/cpufeatures: Add Intel-defined SGX_LC feature bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 05/28] x86/msr: Add SGX Launch Control MSR definitions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 06/28] x86/mm: x86/sgx: Add new 'PF_SGX' page fault error code bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 07/28] x86/mm: x86/sgx: Signal SIGSEGV for userspace #PFs w/ PF_SGX Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 08/28] x86/cpu/intel: Detect SGX support and update caps appropriately Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 09/28] x86/sgx: Add ENCLS architectural error codes Jarkko Sakkinen
2019-04-22 21:35 ` Sean Christopherson
2019-04-17 10:39 ` [PATCH v20 10/28] x86/sgx: Add SGX1 and SGX2 architectural data structures Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 11/28] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 12/28] x86/sgx: Enumerate and track EPC sections Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 13/28] x86/sgx: Add functions to allocate and free EPC pages Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 14/28] x86/sgx: Add sgx_einit() for initializing enclaves Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 15/28] x86/sgx: Add the Linux SGX Enclave Driver Jarkko Sakkinen
2019-04-22 21:58 ` Sean Christopherson
2019-04-23 23:29 ` Jethro Beekman
2019-04-24 0:26 ` Sean Christopherson
2019-04-24 1:04 ` Jethro Beekman
2019-04-29 19:08 ` Sean Christopherson
2019-06-04 20:12 ` Sean Christopherson
2019-06-05 14:29 ` Jarkko Sakkinen
2019-06-05 14:52 ` Sean Christopherson
2019-06-05 21:25 ` Dr. Greg
2019-06-05 22:20 ` Sean Christopherson
2019-06-06 15:32 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 16/28] x86/sgx: Add provisioning Jarkko Sakkinen
2019-04-19 3:06 ` Huang, Kai
2019-04-23 14:33 ` Jarkko Sakkinen
2019-04-24 1:34 ` Jethro Beekman
2019-05-02 8:27 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 17/28] x86/sgx: Add swapping code to the core and SGX driver Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 18/28] x86/sgx: ptrace() support for the " Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 19/28] x86/vdso: Add support for exception fixup in vDSO functions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 20/28] x86/fault: Add helper function to sanitize error code Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 21/28] x86/fault: Attempt to fixup unhandled #PF in vDSO before signaling Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 22/28] x86/traps: Attempt to fixup exceptions " Jarkko Sakkinen
2019-06-25 15:43 ` Jarkko Sakkinen
2019-06-27 20:32 ` Xing, Cedric
2019-07-11 15:54 ` Sean Christopherson
2019-07-11 22:12 ` Xing, Cedric
2019-07-11 15:56 ` Sean Christopherson
2019-07-11 17:52 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 23/28] x86/vdso: Add __vdso_sgx_enter_enclave() to wrap SGX enclave transitions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 24/28] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 25/28] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 26/28] docs: x86/sgx: Add Architecture documentation Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 27/28] docs: x86/sgx: Document kernel internals Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 28/28] docs: x86/sgx: Document the enclave API Jarkko Sakkinen
2019-04-18 17:10 ` [PATCH v20 00/28] Intel SGX1 support Dr. Greg
2019-04-18 17:24 ` Dave Hansen
2019-04-19 16:24 ` Dr. Greg
2019-04-19 16:39 ` Dave Hansen
2019-04-18 18:01 ` Dave Hansen
2019-04-19 14:17 ` Dr. Greg
2019-04-19 14:25 ` Dave Hansen
2019-04-19 15:27 ` Andy Lutomirski
2019-04-19 19:38 ` Jethro Beekman
2019-04-19 20:39 ` Thomas Gleixner
2019-04-19 20:46 ` Jethro Beekman
2019-04-19 20:50 ` Thomas Gleixner
2019-04-19 20:54 ` Jethro Beekman
2019-04-19 21:15 ` Andy Lutomirski
2019-04-19 21:19 ` Jethro Beekman
2019-04-19 21:31 ` Andy Lutomirski
2019-04-19 21:35 ` Jethro Beekman
2019-04-19 21:38 ` Thomas Gleixner
2019-04-19 21:56 ` Jethro Beekman
2019-04-20 5:42 ` Thomas Gleixner
2019-04-20 16:02 ` Dr. Greg
2019-04-22 15:01 ` Sean Christopherson
2019-04-22 16:24 ` Dr. Greg [this message]
2019-04-22 16:48 ` Sean Christopherson
2019-04-22 16:55 ` Linus Torvalds
2019-04-22 17:17 ` Sean Christopherson
2019-04-23 9:11 ` Dr. Greg
2019-04-22 16:26 ` Andy Lutomirski
2019-04-23 21:15 ` Jethro Beekman
2019-05-10 17:23 ` Xing, Cedric
2019-05-10 17:37 ` Jethro Beekman
2019-05-10 17:54 ` Dave Hansen
2019-05-10 18:04 ` Jethro Beekman
2019-05-10 18:56 ` Xing, Cedric
2019-05-10 19:04 ` Jethro Beekman
2019-05-10 19:22 ` Andy Lutomirski
2019-05-11 1:06 ` Xing, Cedric
2019-05-14 15:08 ` Andy Lutomirski
2019-05-15 8:31 ` Jarkko Sakkinen
[not found] ` <20190513102926.GD8743@linux.intel.com>
2019-05-14 10:43 ` Jarkko Sakkinen
2019-05-14 15:13 ` Andy Lutomirski
2019-05-14 20:45 ` Sean Christopherson
2019-05-14 21:27 ` Andy Lutomirski
2019-05-14 22:28 ` Xing, Cedric
2019-05-15 1:30 ` Sean Christopherson
2019-05-15 18:27 ` SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support) Andy Lutomirski
2019-05-15 19:58 ` James Morris
2019-05-15 20:35 ` Andy Lutomirski
2019-05-15 22:46 ` James Morris
2019-05-15 23:13 ` Andy Lutomirski
2019-05-16 3:03 ` Xing, Cedric
2019-05-16 4:40 ` Andy Lutomirski
2019-05-16 22:23 ` Xing, Cedric
2019-05-17 0:35 ` Andy Lutomirski
2019-05-17 1:06 ` Xing, Cedric
2019-05-17 1:21 ` Andy Lutomirski
2019-05-17 16:05 ` Sean Christopherson
2019-05-17 13:53 ` Stephen Smalley
2019-05-17 15:09 ` Sean Christopherson
2019-05-17 16:20 ` Stephen Smalley
2019-05-17 16:24 ` Andy Lutomirski
2019-05-17 16:37 ` Stephen Smalley
2019-05-17 17:12 ` Andy Lutomirski
2019-05-17 18:05 ` Stephen Smalley
2019-05-17 19:20 ` Stephen Smalley
2019-05-17 19:28 ` Sean Christopherson
2019-05-17 20:09 ` Stephen Smalley
2019-05-17 20:14 ` Andy Lutomirski
2019-05-17 20:34 ` Stephen Smalley
2019-05-17 21:36 ` Sean Christopherson
2019-05-17 17:29 ` Sean Christopherson
2019-05-17 17:42 ` Stephen Smalley
2019-05-17 17:50 ` Sean Christopherson
2019-05-17 18:16 ` Stephen Smalley
2019-05-17 17:43 ` Andy Lutomirski
2019-05-17 17:55 ` Sean Christopherson
2019-05-17 18:04 ` Linus Torvalds
2019-05-17 18:21 ` Sean Christopherson
2019-05-17 18:33 ` Linus Torvalds
2019-05-17 18:52 ` Sean Christopherson
2019-05-17 18:53 ` Andy Lutomirski
2019-05-16 7:24 ` James Morris
2019-05-16 21:00 ` Andy Lutomirski
2019-05-20 9:38 ` Dr. Greg
2019-05-15 21:38 ` Sean Christopherson
2019-05-16 1:19 ` Haitao Huang
2019-05-16 5:16 ` Jarkko Sakkinen
2019-05-16 21:02 ` Andy Lutomirski
2019-05-16 22:45 ` Sean Christopherson
2019-05-16 23:29 ` Xing, Cedric
2019-05-20 11:29 ` Jarkko Sakkinen
2019-05-20 11:33 ` Jarkko Sakkinen
2019-05-17 0:03 ` Sean Christopherson
2019-05-17 0:26 ` Andy Lutomirski
2019-05-17 15:41 ` Sean Christopherson
2019-05-20 11:42 ` Jarkko Sakkinen
2019-05-20 11:41 ` Jarkko Sakkinen
2019-05-21 15:19 ` Jarkko Sakkinen
2019-05-21 15:24 ` Jethro Beekman
2019-05-22 13:10 ` Jarkko Sakkinen
2019-05-21 15:51 ` Sean Christopherson
2019-05-22 13:20 ` Jarkko Sakkinen
2019-05-22 13:22 ` Jarkko Sakkinen
2019-05-22 13:56 ` Stephen Smalley
2019-05-22 15:38 ` Sean Christopherson
2019-05-22 22:42 ` Andy Lutomirski
2019-05-23 2:35 ` Sean Christopherson
2019-05-23 10:26 ` Jarkko Sakkinen
2019-05-23 14:17 ` Sean Christopherson
2019-05-23 15:38 ` Andy Lutomirski
2019-05-23 23:40 ` Sean Christopherson
2019-05-24 1:17 ` Andy Lutomirski
2019-05-24 7:24 ` Xing, Cedric
2019-05-24 15:41 ` Stephen Smalley
2019-05-24 16:57 ` Xing, Cedric
2019-05-24 17:42 ` Sean Christopherson
2019-05-24 17:54 ` Andy Lutomirski
2019-05-24 17:56 ` Sean Christopherson
2019-05-24 17:54 ` Sean Christopherson
2019-05-24 18:34 ` Xing, Cedric
2019-05-24 19:13 ` Sean Christopherson
2019-05-24 19:30 ` Andy Lutomirski
2019-05-24 20:42 ` Xing, Cedric
2019-05-24 21:11 ` Sean Christopherson
2019-05-24 19:37 ` Andy Lutomirski
2019-05-24 20:03 ` Sean Christopherson
2019-05-24 20:58 ` Xing, Cedric
2019-05-24 21:27 ` Andy Lutomirski
2019-05-24 22:41 ` Sean Christopherson
2019-05-24 23:42 ` Andy Lutomirski
2019-05-25 22:40 ` Xing, Cedric
2019-05-26 0:57 ` Andy Lutomirski
2019-05-26 6:09 ` Xing, Cedric
2019-05-28 20:24 ` Sean Christopherson
2019-05-28 20:48 ` Andy Lutomirski
2019-05-28 21:41 ` Sean Christopherson
2019-05-30 5:38 ` Xing, Cedric
2019-05-30 17:21 ` Sean Christopherson
2019-05-29 14:08 ` Stephen Smalley
2019-05-30 6:12 ` Xing, Cedric
2019-05-30 14:22 ` Stephen Smalley
2019-05-30 14:31 ` Andy Lutomirski
2019-05-30 15:04 ` Stephen Smalley
2019-05-30 16:14 ` Andy Lutomirski
2019-05-30 18:01 ` Sean Christopherson
2019-05-30 19:20 ` Andy Lutomirski
2019-05-30 21:16 ` Sean Christopherson
2019-05-30 21:23 ` Andy Lutomirski
2019-05-30 21:36 ` Sean Christopherson
2019-06-03 9:12 ` Dr. Greg
2019-06-03 21:08 ` Jarkko Sakkinen
2019-05-30 21:48 ` Xing, Cedric
2019-05-30 22:24 ` Sean Christopherson
2019-06-03 21:05 ` Jarkko Sakkinen
2019-06-03 20:54 ` Jarkko Sakkinen
2019-06-03 21:23 ` Sean Christopherson
2019-06-04 11:39 ` Jarkko Sakkinen
2019-06-03 21:37 ` Andy Lutomirski
2019-06-03 20:47 ` Jarkko Sakkinen
2019-06-03 20:43 ` Jarkko Sakkinen
2019-05-25 17:31 ` Dr. Greg
2019-05-24 16:43 ` Andy Lutomirski
2019-05-24 17:07 ` Sean Christopherson
2019-05-24 17:51 ` Andy Lutomirski
2019-05-24 14:44 ` Stephen Smalley
2019-05-27 13:48 ` Jarkko Sakkinen
2019-05-23 19:58 ` Sean Christopherson
2019-05-27 13:34 ` Jarkko Sakkinen
2019-05-27 13:38 ` Jarkko Sakkinen
2019-05-23 8:10 ` Jarkko Sakkinen
2019-05-23 8:23 ` Jarkko Sakkinen
2019-05-20 11:36 ` Jarkko Sakkinen
2019-05-15 10:35 ` [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-05-15 11:00 ` Jarkko Sakkinen
2019-05-15 14:27 ` Andy Lutomirski
2019-05-16 5:07 ` Jarkko Sakkinen
2019-05-16 6:51 ` Jarkko Sakkinen
2019-05-16 7:02 ` Jarkko Sakkinen
2019-05-15 13:21 ` Sean Christopherson
2019-05-16 5:01 ` Jarkko Sakkinen
2019-05-15 8:49 ` Jarkko Sakkinen
2019-05-15 9:58 ` Jarkko Sakkinen
2019-05-14 14:33 ` Haitao Huang
2019-05-14 15:17 ` Andy Lutomirski
2019-05-14 15:30 ` Haitao Huang
2019-05-14 20:45 ` Andy Lutomirski
2019-05-14 21:08 ` Haitao Huang
2019-05-14 21:58 ` Xing, Cedric
2019-05-15 5:15 ` Haitao Huang
2019-05-10 18:44 ` Xing, Cedric
2019-04-19 21:34 ` Thomas Gleixner
2019-04-19 21:05 ` Jethro Beekman
2019-04-18 18:07 ` Andy Lutomirski
2019-04-23 0:37 ` [RFC PATCH v1 0/3] An alternative __vdso_sgx_enter_enclave() to allow enclave/host parameter passing using untrusted stack Cedric Xing
2019-04-24 6:26 ` [RFC PATCH v2 " Cedric Xing
2019-07-10 11:17 ` Jarkko Sakkinen
2019-07-10 18:08 ` Xing, Cedric
2019-07-10 22:46 ` Jarkko Sakkinen
2019-07-10 22:54 ` Xing, Cedric
2019-07-11 9:36 ` Jarkko Sakkinen
2019-07-11 19:49 ` Xing, Cedric
2019-07-10 23:15 ` Jarkko Sakkinen
2019-07-10 23:37 ` Xing, Cedric
2019-07-11 9:38 ` Jarkko Sakkinen
2019-07-11 15:50 ` Sean Christopherson
2019-07-11 17:59 ` Jarkko Sakkinen
2019-07-11 19:51 ` Xing, Cedric
2019-04-24 6:26 ` [RFC PATCH v2 1/3] selftests/x86: Fixed Makefile for SGX selftest Cedric Xing
2019-07-12 3:19 ` Jarkko Sakkinen
2019-07-13 6:58 ` Xing, Cedric
2019-04-24 6:26 ` [RFC PATCH v2 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-04-24 19:04 ` Sean Christopherson
2019-04-25 23:31 ` Xing, Cedric
2019-04-26 21:00 ` Sean Christopherson
2019-05-02 8:28 ` Jarkko Sakkinen
2019-04-24 6:26 ` [RFC PATCH v2 3/3] selftests/x86: Augment SGX selftest to test new __vdso_sgx_enter_enclave() and its callback interface Cedric Xing
2019-07-12 3:25 ` Jarkko Sakkinen
2019-07-13 7:03 ` Xing, Cedric
2019-04-23 0:37 ` [RFC PATCH v1 1/3] selftests/x86: Fixed Makefile for SGX selftest Cedric Xing
2019-04-23 0:37 ` [RFC PATCH v1 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-04-23 1:25 ` Andy Lutomirski
2019-04-24 17:56 ` Xing, Cedric
2019-04-23 19:26 ` Sean Christopherson
2019-04-23 19:44 ` Andy Lutomirski
2019-04-23 0:37 ` [RFC PATCH v1 3/3] selftests/x86: Augment SGX selftest to test new __vdso_sgx_enter_enclave() and its callback interface Cedric Xing
2019-04-23 1:29 ` Andy Lutomirski
2019-04-23 1:48 ` Sean Christopherson
2019-04-23 18:59 ` Sean Christopherson
2019-04-23 19:07 ` Andy Lutomirski
2019-04-23 20:11 ` Sean Christopherson
2019-04-23 11:56 ` [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-04-23 16:52 ` Andy Lutomirski
2019-04-24 12:17 ` Jarkko Sakkinen
2019-05-08 13:45 ` Jarkko Sakkinen
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