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AQHS27PQiAFxT09v5kCWQSPkEOgdKQ== Date: Fri, 2 Jun 2017 15:20:49 +0000 Message-ID: <4DDD070E-E7EC-44E8-8B79-758A7355C802@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1a.0.160910 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.155.84.66] Content-Type: multipart/alternative; boundary="_000_4DDD070EE7EC44E88B79758A7355C802ciscocom_" MIME-Version: 1.0 Archived-At: Subject: [Teep] Meetings towards our WG charter X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jun 2017 15:20:53 -0000 --_000_4DDD070EE7EC44E88B79758A7355C802ciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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[95.176.25.124]) by smtp.googlemail.com with ESMTPSA id y41sm1614574wrd.59.2017.06.03.23.18.32 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 03 Jun 2017 23:18:33 -0700 (PDT) To: teep@ietf.org From: Anders Rundgren Message-ID: Date: Sun, 4 Jun 2017 08:18:31 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: [Teep] Overcoming other limitations in the TEE landscape X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Jun 2017 06:18:37 -0000 F.Y.I. We all agree that TEEs are great, right? However, TEEs are no better than the environments they are supposed to be used in: https://www.linkedin.com/pulse/motives-better-qr-anders-rundgren (you don't need a LinkedIn account to read this short writeup) Anders From nobody Mon Jun 5 06:21:07 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 92CC31286D6 for ; Mon, 5 Jun 2017 06:21:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=symc.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0dVVqdYCFuYC for ; 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Mon, 5 Jun 2017 13:21:00 +0000 From: Brian Witten To: Anders Rundgren , "teep@ietf.org" Thread-Topic: [EXT] [Teep] Overcoming other limitations in the TEE landscape Thread-Index: AQHS3Pp6uX95I5AnmUKAJvFvdIxMe6IWQHBd Date: Mon, 5 Jun 2017 13:21:00 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=symantec.com; x-originating-ip: [2603:10b6:300:3b:cafe::7b] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; MWHPR16MB1487; 7:B5WQruwWUesyO0+s7urS86QxDoUvI/RAYlux8+IoPwFlZg6TMuc/gZsFFFAiojItjvouEKk+ufDgHy9ZK8g4JUkp2FFcthA9gGFCWhRzPCa3zUMrXbltEL+/qGYg8kOxLBiOyES6uZOjGhT6LAKmuePl4nTm8Zkq6fZKZlWBmGbshCbQFzXxfFT/taJCuud/5UQeeAXl+DLPAiDaQPM+3Xcnp+DApUWDsKpPjYHExZ6FP3JrmstBzLhU8yUoIlaaipOX/DC0+mO00HgTHvgvFYcPXoAG7DDYfDFKILL+sdfUBpH3Rws6JPl7fzJdx50hwGeG51LKl+oretFspaJjvQ== x-ms-traffictypediagnostic: MWHPR16MB1487: x-ms-office365-filtering-correlation-id: 41c5f835-87d7-4c75-1f76-08d4ac15b549 x-microsoft-antispam: UriScan:; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks! IMHO active RFID (keys & crypto embedded in the tag, executed in t= he tag for strong authentication, private keys never leaving the tag, sever= al schemes leverage PKI like this embedded in RFID tags with just enough cr= ypto/computing power) ... active RFID (like that) helps break past the "eas= ily copied" challenges of QR codes, mag-stripe credit cards, SSN's and the = like, and does so at a price not too far from QR stickers/physical-printing= . However, the TEE in a mobile device (and TEE in IOT devices such as smar= t-glasses, badge-scanners, and nearly anything else) with more compute than= an RFID "tag" helps add similar "hardware backed" security for such device= s who might be not only interrogating such tags, but might also be collabor= ating with such tags in talking with cloud based services. At least that's my view, but I'm very open to others - ________________________________ From: TEEP on behalf of Anders Rundgren Sent: Saturday, June 3, 2017 11:18:31 PM To: teep@ietf.org Subject: [EXT] [Teep] Overcoming other limitations in the TEE landscape F.Y.I. We all agree that TEEs are great, right? However, TEEs are no better than the environments they are supposed to be u= sed in: https://www.linkedin.com/pulse/motives-better-qr-anders-rundgren (you don't need a LinkedIn account to read this short writeup) Anders _______________________________________________ TEEP mailing list TEEP@ietf.org https://www.ietf.org/mailman/listinfo/teep --_000_MWHPR16MB14886572B0AB1BBD5CCE187E93CA0MWHPR16MB1488namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks!  IMHO active RFID (keys & crypto embedded in the tag, e= xecuted in the tag for strong authentication, private keys never leaving th= e tag, several schemes leverage PKI like this embedded in RFID tags with ju= st enough crypto/computing power) ... active RFID (like that) helps break past the "easily copied" challenges= of QR codes, mag-stripe credit cards, SSN's and the like, and does so at a= price not too far from QR stickers/physical-printing.  However, the T= EE in a mobile device (and TEE in IOT devices such as smart-glasses, badge-scanners, and nearly anything else) with more comp= ute than an RFID "tag" helps add similar "hardware backed&qu= ot; security for such devices who might be not only interrogating such tags= , but might also be collaborating with such tags in talking with cloud based services.


At least that's my view, but I'm very open to others -


From: TEEP <teep-bounc= es@ietf.org> on behalf of Anders Rundgren <anders.rundgren.net@gmail.= com>
Sent: Saturday, June 3, 2017 11:18:31 PM
To: teep@ietf.org
Subject: [EXT] [Teep] Overcoming other limitations in the TEE landsc= ape
 
F.Y.I.

We all agree that TEEs are great, right?

However, TEEs are no better than the environments they are supposed to be u= sed in:
https://www.linkedin.com/pulse/motives-better-qr-anders-rundgren
(you don't need a LinkedIn account to read this short writeup)

Anders

_______________________________________________
TEEP mailing list
TEEP@ietf.org
https://www.ietf.org= /mailman/listinfo/teep
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[95.176.25.124]) by smtp.googlemail.com with ESMTPSA id t8sm32687997wrc.28.2017.06.05.22.36.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Jun 2017 22:36:57 -0700 (PDT) To: Brian Witten , "teep@ietf.org" References: From: Anders Rundgren Message-ID: <994d06c4-c528-8ef3-426d-8f8fcff8bb66@gmail.com> Date: Tue, 6 Jun 2017 07:36:54 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: base64 Archived-At: Subject: Re: [Teep] Overcoming other limitations in the TEE landscape X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Jun 2017 05:37:02 -0000 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bits=256 verify=FAIL); Tue, 6 Jun 2017 15:56:05 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-014.cisco.com (64.101.220.154) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 6 Jun 2017 11:56:04 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1210.000; Tue, 6 Jun 2017 11:56:04 -0400 From: "Nancy Cam-Winget (ncamwing)" To: Petr Peterka CC: "teep@ietf.org" Thread-Topic: [Teep] Meetings towards our WG charter Thread-Index: AQHS3t1nV6cfRqWI9kmyJunvlaO4MQ== Date: Tue, 6 Jun 2017 15:56:04 +0000 Message-ID: <5EFBFAC6-55DB-4131-B9A0-B011BA762F3D@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1a.0.160910 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.155.84.57] Content-Type: multipart/alternative; boundary="_000_5EFBFAC655DB4131B9A0B011BA762F3Dciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [Teep] Meetings towards our WG charter X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Jun 2017 15:56:09 -0000 --_000_5EFBFAC655DB4131B9A0B011BA762F3Dciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgUGV0ciwNCg0KTm8gd29ycmllcyBhYm91dCBTdW5kYXkgYXMgdGhlcmUgbWF5IGJlIGFub3Ro ZXIgVEVFIHR1dG9yaWFsL3dvcmtzaG9wIHNjaGVkdWxlZC4gIFRoZSBsYXRlc3QgdmVyc2lvbiBv ZiB0aGUgY2hhcnRlciBpcyBzdGlsbCB1bmRlciBkaXNjdXNzaW9uIGluIHRoZSBlbWFpbCB0aHJl YWQgd2l0aCB0aGUgbGFzdCBzZXQgb2YgY29tbWVudHMgc2VudCBieSBDaHJpcyAoaHR0cHM6Ly9t YWlsYXJjaGl2ZS5pZXRmLm9yZy9hcmNoL3NlYXJjaC8/ZW1haWxfbGlzdD10ZWVwKQ0KDQpXZeKA mWxsIHBsYW4gb24gaGF2aW5nIGEgc2lkZSBtZWV0aW5nKHMpIGluIFByYWd1ZSB0byBmdXJ0aGVy 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RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bDIZU2OKl0FD for ; Mon, 12 Jun 2017 11:36:26 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7864E124C27 for ; Mon, 12 Jun 2017 11:36:25 -0700 (PDT) Received: from [192.168.91.196] ([80.92.114.129]) by mail.gmx.com (mrgmx101 [212.227.17.168]) with ESMTPSA (Nemesis) id 0LrrRi-1dyRnF1poE-013cNw for ; Mon, 12 Jun 2017 20:36:23 +0200 To: "teep@ietf.org" From: Hannes Tschofenig Openpgp: id=071A97A9ECBADCA8E31E678554D9CEEF4D776BC9 Message-ID: <090ef192-1e53-272a-6af4-94045e2e3280@gmx.net> Date: Mon, 12 Jun 2017 20:36:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:1QgM+HP3yB2VMRQF4sqJkLtDxb7Q3Ud2+qbc15dUl3dCotCEvVb ceeIdbbKoJ9TAvQuWE0Tj7qE8UOpI2QYpO3mDB+ZbCqYPEyhe1fzXF0N87UZc2eF1ZLrTuL 4oJx/HmsGaYCrdSi2x51dmIaTceaCtC06sBJkja0jIY7WcGqUEexLQoyYTjz+w303es8L4D KyfL835g8GM2Cuc2ZNleg== X-UI-Out-Filterresults: notjunk:1;V01:K0:K6yIC+dy5Rg=:MejlHb3YvTk9YPoXxcS7gb g/rZVUd7sbGNGzSnGAYTXg40+QjoYqhcNpTOmzvygdca4MBx2ymAEZDSkbenVPmciW+4xmZeL kM2/NlAtPXqqP+N+lsfn5B7yRvYVyBx1dQgyyx45FRYnloda3g9K9E3IdFGgVBuYni8hlb0u/ l5I+zPnwXZVu4LAhVJtu9Pa/yfPUYhIr4dlm6bsy/eLWgtpYH2zIrWd1s/YAT6FiCPZg7efrQ bbN0kjzxeLJroeTKocpGXmXc9KjDSYR98z2Kx5A6DE9YagTfyx9H5j7gMmriuTXyU1MHCeowx tglEyQLR+McimGN4q2gf1AFOEY3jDbvXDpqwEcljd/FkGQqFpg2bUx7h84q3GDGYz3QRn+REa HUeHPirmOmfG/q4LrxILxbLZkzlc6kjuHbBLyX5piJZpWgiY3Q1QkWDu90/lc76NW8n3+QIzQ 9DA1UgamPb0DSCyOVd7cO795q65qhtJJZNACwf3YnRrCKailmdx1yhWXEEXR8MtIK/kiTtYVK 9EDs4/A9s90gbG4qx24y3pU5/T4vn4sl56/neVDGFC7kQCiKx/+NmsSjVKXEnpvnMgC8BQkAG 8gKOCi69p9S/BJtd50foOHtlhkHH0Q4ygQEF2Bk/MJ41ZAwMxdO2xOTwBwTYeTEC9urZ09KDN 1eZrHWDmRN1XdSIJQQwSHS9jtI63nLuXWbKDLyRI35dl7VUFOAr4OpLP9sY6424IBOBmVxlRM pgabrVyyrrdr1LrqxoHxf9eUZMIxaiTi8jdIu6QMRq7ypYBdR/suaV4eMRKg33gF2r42eGusE eI5Tjgv Archived-At: Subject: [Teep] Webinar Series X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 18:36:28 -0000 Hi all, at the last TEEP BOF in Chicago we noticed that not all participants were familiar with the concept of Trusted Execution Environments (TEEs). In discussion with the BOF chairs, the ADs, and the BOF presenters we have therefore decided to schedule a few webinars to offer background information for those who are interested. The following three webinars are anticipated at this point in time: * Global Platform / TEE Overview * Deep dive on ARM TEEs * Deep dive on Intel TEEs The first talk should provide you some background of what GlobalPlatform has been doing and their views on the TEE architecture. The ARM/Intel extend what was explained during the BOF itself. This will explain why standardization of a software update protocol makes sense for certain types of TEEs. Mails for each of those webinars will follow. Ciao Hannes From nobody Mon Jun 12 11:37:14 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1E2E126E3A for ; Mon, 12 Jun 2017 11:37:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.921 X-Spam-Level: X-Spam-Status: No, score=-1.921 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EabcOfUc9IPU for ; Mon, 12 Jun 2017 11:37:11 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 85BC9124C27 for ; Mon, 12 Jun 2017 11:37:10 -0700 (PDT) Received: from [192.168.91.196] ([80.92.114.129]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0Lb5Tp-1diqc41mC9-00kjnk; Mon, 12 Jun 2017 20:37:05 +0200 To: "teep@ietf.org" Cc: Hank Chavers , Dapeng Liu From: Hannes Tschofenig Openpgp: id=071A97A9ECBADCA8E31E678554D9CEEF4D776BC9 Message-ID: Date: Mon, 12 Jun 2017 20:37:04 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:YKrBSdArkXp71ajegLcROPWimgRZbLZ0RYXEkVEn4TuuWBy6enB 4D3YdKBnQ7FzainMX98Atxz9xppVJh7qLZucGdneYJFatzpqht3gucmsS3lSNj1U7DnWtXa lT67Dx63gpCJm2xS3n+qXxbqHQXSLS53EQsrE6oJqKslPoTWeVzVEjXdq/scpm/+XubVcdH 34kQrNdkouewJjyRvTnwA== X-UI-Out-Filterresults: notjunk:1;V01:K0:fw3XIuI421A=:SRXKpNM2gV1RgEH3h/4f5v pDA5jZ9YyXOkppN6CnpaJlH3Nx6KZglO0uqUQn9qIdhqEDgRIkb474t4j9nbO89Auk8UdfAiJ dMMLnXLJR1G8MEo7hLpy1sF271tYKpu65p5Oc0YUQzWXdiep3a8XpJs43q/X7YwYVohFAtZ9l WPZ3XiyD2oYzl22v1fjezyPUl/mWsrvNy+FwN11c2P4ht/XYylJcP2a/E/QobWR3rrCFUoO1r HMTnhWnkwV20vNe6MTJczR2yL+qYRFs7DGW8Y/4qX7J9AWJx8VkMLGPlU7RLynGYrB5DLaZQp jS6/E/XGaF1EExA9y2Eu5Pj6tfGlFv8hfbMc1IQvo1lYepcO2S+V28INcrqmq6idulmsf2Ufq u/MQqjn9Du3fKCiVyLIu78BrMX0CjW4yljO6eJHXgcmhv+5YRvn7+OdAvBQx4qAJ2XPeKCe+J L0rTjcje9cd0oR3JgLjOshmEOAKpzBcro3BoYvWtccIY1yeLcdmo1FwU6WhuA4A8OeBgzhJow T+bLPmbwtEXVtrRpJjBxyzakBYnmpDWJpdn4HTw1q04bLA1Vopezw1f0nrkYB/fEMMJv1eWRc OxJiKafb/G7AaHRn9Lc+mamUdLubGWHJZhA9lQXQ86Usw7il+dTU1P4/EOZcw52kXhXE48CWT yTYY3PA1P7IoLgINRfk71Lz/Z/X4aIQXOcUeth+McJvp5bouvwaFc/PASd//5gDe01TR+JpYu exE5bS/x+mSlPcCNVC8+qPHN4AEFfm3V/UDA1Q38adniAT6wBPY24kNGnG81/XG24IfOl/C+G dgjo31S Archived-At: Subject: [Teep] Webinar on Global Platform / TEE Overview X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 18:37:13 -0000 Hi all, Hank kindly offered to give a talk about the work of GlobalPlatform and to provide an overview of TEEs. Please indicate your interest here: http://doodle.com/poll/ynpkewhruwwin8fv Ciao Hannes & Dapeng PS: Hank, if you want to provide more info about this webinar please do so. From nobody Thu Jun 15 13:51:40 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 95E751293F9; Thu, 15 Jun 2017 13:51:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.521 X-Spam-Level: X-Spam-Status: No, score=-14.521 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id J8CN3YpprTu2; Thu, 15 Jun 2017 13:51:30 -0700 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"saag@ietf.org" , "teep@ietf.org" CC: Dapeng Liu Thread-Topic: [IoT-DIR] TEE Webinars Thread-Index: AQHS5hjY2nNGW+UCOEek35UGmMjwow== Date: Thu, 15 Jun 2017 20:49:12 +0000 Message-ID: <9A29B438-F0E7-4A68-B4EB-CEBC4EFA3C9B@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1a.0.160910 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.155.84.43] Content-Type: multipart/alternative; boundary="_000_9A29B438F0E74A68B4EBCEBC4EFA3C9Bciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [Teep] [IoT-DIR] TEE Webinars X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 20:51:33 -0000 --_000_9A29B438F0E74A68B4EBCEBC4EFA3C9Bciscocom_ Content-Type: 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[95.176.25.124]) by smtp.googlemail.com with ESMTPSA id f199sm875008wmd.33.2017.06.16.20.37.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Jun 2017 20:37:37 -0700 (PDT) To: "teep@ietf.org" From: Anders Rundgren Message-ID: <247de444-d529-24a6-82e5-53bb60d8f275@gmail.com> Date: Sat, 17 Jun 2017 05:37:36 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: [Teep] The "Phone Token" X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Jun 2017 03:37:44 -0000 Hopefully the following better describes what I consider the #1 use case for TEEs in mobile phones: https://github.com/w3c/webauthn/issues/496 Anders From nobody Tue Jun 20 07:58:28 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B23E7131492 for ; Tue, 20 Jun 2017 07:58:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.177 X-Spam-Level: X-Spam-Status: No, score=-1.177 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MIME_HTML_ONLY=0.723, RCVD_IN_DNSWL_NONE=-0.0001, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mMp0HVgNy6rk for ; Tue, 20 Jun 2017 07:58:25 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D11931314A1 for ; Tue, 20 Jun 2017 07:57:14 -0700 (PDT) Received: from [217.140.96.140] by 3capp-gmx-bs29.server.lan (via HTTP); Tue, 20 Jun 2017 16:57:12 +0200 MIME-Version: 1.0 Message-ID: From: "Hannes Tschofenig" To: teep@ietf.org Content-Type: text/html; charset=UTF-8 Date: Tue, 20 Jun 2017 16:57:12 +0200 Importance: normal Sensitivity: Normal X-Priority: 3 X-Provags-ID: V03:K1:N8YzgWDcTFUpZGpQLSpNMiYk3mCfmx/xM2g/aQITjkU 1+a4Le8/mpZ+enUsRKQJpr5Qt25XgvRqeOYI6aX8cWE1DeFE/N jZ8SvCLvtuI7ZitMGBqdL/85qnLDrfruEfP26QkTfWqa+AdOnt +EtGuwt4cFEMAwWzjYRPWXQzuY8KQrAErombpLzqAdoC/pM8kh AVW/bVG4QPXsmnq19YSpZoacQXMcG1g0OAQwqFCS/0IwCYzrKJ Y76lJhmCS101CfA+VoEkOhgamIlTunYUY3uTJyXr+tRSHIGLxE JtdULI= X-UI-Out-Filterresults: notjunk:1;V01:K0:hFn8QtnDPPw=:i4pqb5lUw0vSCrQsXFIx4d Lqsi8ZLHXDI1y1mdSV0sTEJgUHQfP1lmG5FRERBb2P99GVEroYy7NPCThbSmPF8ojT+tmGq7h WQz/vTmMvcN93fnTDk3y0aFsGvLP+40ty8/VA61j+VS+fdh1GjXu+u0nTRYbqbIPrOuxJwDuF SKgF1gikab12Wnp1HpLjQL4Hp9lOnGZsHKwx+/jAePSN1B1/AcKf1VOHcxaoAhaifgZrOx9TX TSZY9NQZFHuSnorTCeI+1gaThILnOE7CVOD50iIro87jITEOc7RtNcjvINqmR5jUN7g/2PMgp 84+ZCcUZtsTXhHj4rw1OAfFb4GfDPR2IKUlPybl/v4F2rV6eY9BGOPq4Jpu44jGbVX0pTxD/s MoMUvjF/LX9p7A5JMAa6w4d4pmgdzJJQGLIY6zdlRSvuyBXR7FFkF2/sw34eKjb/1cf0cs825 zULjVGZLog== Archived-At: Subject: [Teep] Reminder: Webinar about TEEs -- Today X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jun 2017 14:58:27 -0000
Hi all, 
 
the webinar about TEEs by Hank Chavers will start in ~1 hour.
 
Here are the conference bridge details again:  
https://www.ietf.org/mail-archive/web/teep/current/msg00127.html
 
Ciao
Hannes
 
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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Nancy, Do we have a tentative side meeting time in Prague? Could it be on either M= on or Tue, following the Sunday tutorial but not too far out in the week? T= his will help for scheduling to attend both, at least, for me, if this can = be possible. Thanks, Ming From: TEEP > on behalf = of "Nancy Cam-Winget (ncamwing)" > Date: Tuesday, June 6, 2017 at 8:56 AM To: Petr Peterka > Cc: "teep@ietf.org" > Subject: [EXT] Re: [Teep] Meetings towards our WG charter Hi Petr, No worries about Sunday as there may be another TEE tutorial/workshop sched= uled. The latest version of the charter is still under discussion in the e= mail thread with the last set of comments sent by Chris (https://mailarchiv= e.ietf.org/arch/search/?email_list=3Dteep) We=92ll plan on having a side meeting(s) in Prague to further our work in p= rep for WG charter=85. Thanks, Nancy From: TEEP > on behalf = of Petr Peterka > Date: Monday, June 5, 2017 at 2:42 PM To: "ncamwing@cisco.com" > Cc: "teep@ietf.org" > Subject: Re: [Teep] Meetings towards our WG charter Hi Nancy I will be in Prague but cannot make it on Sunday. Where is latest version o= f the Charter? Thanks Petr From: TEEP [mailto:teep-bounces@ietf.org] On Behalf Of Nancy Cam-Winget (nc= amwing) Sent: Friday, June 02, 2017 8:21 AM To: teep@ietf.org Subject: [Teep] Meetings towards our WG charter Hi TEEP=92ers, We=92ve had good discussions since our last BoF in Chicago, but our delib= erations on honing in on the charter has slowed to stopped (given the lack = of discussion of late). As we are nearing our next f2f meeting in Prague,= a few of us met to go through what needs to be done to progress TEEP towar= ds a working group and came up with the following actions: - To better educate the IETF community we will work on providing a= tutorial and workshop to introduce =93Trusted Execution Environments=94 an= d how it works. Intent is to try a schedule a tutorial for the Sunday prec= eding sessions in Prague. The second can be like a webinar and announced t= hru this mail list. - We still need to hear from a few others that participated in Chi= cago as to whether their issues/questions/comments have now been addressed = in the threads that transpired in this mailgroup. - We=92d like to see more discussion on the list for converging on= the charter. More importantly, we=92d like to hear from those who had con= cerns and questions to ensure that the charter is clear as well. Given that there is still have a bit of work, we are going to defer from ho= sting an official BoF in Prague. However, to keep momentum going, we=92d l= ike to host monthly calls and an informal session in Prague so that we can = be better prepared to charter at the Singapore venue. If you have concerns or improvements to the above please respond to this th= read. Regards, TEEP Chairs (Tero and Nancy) --_000_D57C47D039E6Emingliangpeisymanteccom_ Content-Type: text/html; charset="Windows-1252" Content-ID: <124CF931C9DFC540ABC15720ED023331@namprd16.prod.outlook.com> Content-Transfer-Encoding: quoted-printable
Hi Nancy,

Do we have a tentative side meeting time in Prague? Could it be on eit= her Mon or Tue, following the Sunday tutorial but not too far out in the we= ek? This will help for scheduling to attend both, at least, for me, if this= can be possible. Thanks,

Ming

From: TEEP <teep-bounces@ietf.org> on behalf of "Nancy= Cam-Winget (ncamwing)" <ncam= wing@cisco.com>
Date: Tuesday, June 6, 2017 at 8:56= AM
To: Petr Peterka <ppeterka@verimatrix.com>
Cc: "teep@ietf.org" <teep@i= etf.org>
Subject: [EXT] Re: [Teep] Meetings = towards our WG charter

Hi Petr,=

 

No worries about Su= nday as there may be another TEE tutorial/workshop scheduled.  The lat= est version of the charter is still under discussion in the email thread wi= th the last set of comments sent by Chris (= https://mailarchive.ietf.org/arch/search/?email_list=3Dteep)=

 

We=92ll plan on hav= ing a side meeting(s) in Prague to further our work in prep for WG charter= =85.

 

Thanks, Nancy<= /o:p>

 

From: TEEP <t= eep-bounces@ietf.org> on behalf of Petr Peterka <ppeterka@verimatrix.com>
Date: Monday, June 5, 2017 at 2:42 PM
To: "ncamwing@cisco.com" <ncamwing@cisco.com&g= t;
Cc: "teep@ietf.org" &= lt;teep@ietf.org>
Subject: Re: [Teep] Meetings towards our WG charter

 

Hi Nancy

I will be in Prague but cannot make it on Sunday. Where is la= test version of the Charter?

          Thanks=

          &= nbsp;        Petr

 

 

 H= i TEEP=92ers,

 <= /span>

  = We=92ve had good discussions since our last BoF in Chicago, but our deliber= ations on honing in on the charter has slowed to stopped (given the lack of= discussion of late).   As we are nearing our next f2f meeting in Prague, a few of us met to go through what needs to be= done to progress TEEP towards a working group and came up with the followi= ng actions:

 <= /span>

-   = ;       To better educate the IETF community we will work on providing a tutorial and worksh= op to introduce =93Trusted Execution Environments=94 and how it works. = ; Intent is to try a schedule a tutorial for the Sunday preceding sessions = in Prague.  The second can be like a webinar and announced thru this mail list.

-   = ;       We still need to hear from a few others that participated in Chicago as to whether = their issues/questions/comments have now been addressed in the threads that= transpired in this mailgroup.

-   = ;       We=92d like to see more discussion on the list for converging on the charter.  Mo= re importantly, we=92d like to hear from those who had concerns and questio= ns to ensure that the charter is clear as well.

 

Given that there is still have a bit of work, we are g= oing to defer from hosting an official BoF in Prague.  However, to kee= p momentum going, we=92d like to host monthly calls and an informal session in Prague so that we can be better prepared = to charter at the Singapore venue.

 

If you have concerns or improvements to the above plea= se respond to this thread.

 

Regards,

    TEEP Chairs (Tero and Nancy)

 <= /o:p>

 --_000_D57C47D039E6Emingliangpeisymanteccom_-- From nobody Fri Jun 30 18:57:37 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DA117129B35 for ; Fri, 30 Jun 2017 18:57:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=symc.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t_yEthzzJdy2 for ; Fri, 30 Jun 2017 18:57:28 -0700 (PDT) Received: from tussmtoutape01.symantec.com (Tussmtoutape01.symantec.com [155.64.38.231]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7CB871200F3 for ; 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FPR:; SPF:None; MLV:ovrnspm; PTR:InfoNoRecords; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-ID: <4E100BB1A646A846A833593546EB7017@namprd16.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jul 2017 01:57:23.2545 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3b217a9b-6c58-428b-b022-5ad741ce2016 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR1601MB1123 X-OriginatorOrg: symantec.com X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLKsWRmVeSWpSXmKPExsXCpdPEqNvOGB5p0P3e0uLhqyWsFkv/fGN2 YPLYOesuu8eSJT+ZApiiuGxSUnMyy1KL9O0SuDKWLn7IUjDPoGLtzG8sDYz9ql2MnBwSAiYS Xz/NYupi5OIQEvjEKLFwzWMmmMT56ZOgEr8YJc6c28oK4RwFqtr1kx3CeckoMfXuNLAyFoFO Zome/zMZITIzmCR27V4C1XOcUaJh/n+gDAcHm4CBxIU7eSBLRATCJPp/NDCD2MICXhKb7p5h goh7Sxx8+YsFwjaSaLx3iA3EZhFQkbj8/wMriM0rYC6x8v49sF4hARuJxoOdYPWcArYSE+5/ BathFBCT+H5qDdhMZgFxiVtP5kM9JyCxZM95ZghbVOLl43+sIKeJCuhJvNvvCXIyo0Avo8SS qd9ZIWoUJCYfPsUOYctKXJrfDfakhMAjNolTHzezQSR8JZ7u/g/V8IRJYnFbPIStI7Fq1yeo eL7Ep3sdUEfUSSy/NZllAqPhLCT3Qdh6EjemTmGDsD0k/ny6CxXXlli28DXzLLD/BSVOznzC soCRdRWjQklpcXFuSX5pSWJBqoGhXnFlbjKISAQmmWS95PzcTYzgRFNnuIPx0QafQ4wCHIxK PLwSH8MihVgTy4AqDzFKcDArifA+ewsU4k1JrKxKLcqPLyrNSS0+xCjNwaIkzrv7l1mkkEB6 YklqdmpqQWoRTJaJg1OqgbG5tdX72Rq9kLdT5q4JlBTNuWMbuGrNLm8dv883HhcnP4lzCH5+ J0pW/OrG3HZ+64ud7fUP3VUFDflPxX3guv66dY2Ng+Q2Jpf+FXv1xVkaj0w8sf+ATHnqK26t rfs2ntr6c8J6R1e/qW8K7jvltzCetteu3jflZoFGfbUMa6PH0Xc/9Cb+clZiKc5INNRiLipO BACjwvXhMAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpileLIzCtJLcpLzFFi42Lh0mni0m1nDI80OL9J1uLhqyWsFkv/fGN2 YPLYOesuu8eSJT+ZApiiuGxSUnMyy1KL9O0SuDKWLn7IUjDPoGLtzG8sDYz9ql2MnBwSAiYS 56dPYupi5OIQEvjFKHHm3FZWCOcoo8TCXT/ZIZyXjBJT704DK2MR6GSW6Pk/kxEiM4NJYtfu JVA9xxklGub/B8pwcLAJGEhcuJMHskREIEyi/0cDM4gtLOAlsenuGSaIuLfEwZe/WCBsI4nG e4fYQGwWARWJy/8/sILYvALmEivv3wPrFRKwkWg82AlWzylgKzHh/lewGkYBMYnvp9aAzWQW EJe49WQ+E8RzAhJL9pxnhrBFJV4+/scKcpqogJ7Eu/2eICczCvQySiyZ+p0VokZBYvLhU+wQ tqzEpfndYE9KCDxikzj1cTMbRMJX4unu/1ANT5gkFrfFQ9g6Eqt2fYKK50t8utcBdUSdxPJb k1kgBh1jldh6fzVUkYzE2t0zWCYw6s5CcjiErSdxY+oUNgjbQ+LPp7tQcW2JZQtfM88CB4yg xMmZT1gWMLKuYlQoKS0uzi3JLUlMLMg0MNIrrsxNBhGJwCSTrJecn7uJEZxonCV3MB7643OI UYCDUYmHd0NIWKQQa2IZUOUhRmkOFiVxXpNVIpFCAumJJanZqakFqUXxRaU5qcWHGJk4OKUa GKXl3i6zOaWx4vD/jhc6q7YL9i98bL2U59VjS7N5ORyab5v69LIS9i7+05AkHubIPNFvpzPn 6XdLLr+pZF8zb4fh6kuOOTWPyq6lNIj8nGy9hlm9SFlAtvJeyrrmCb2ff1gePd29bMHrvpY9 LNuvNormNLE11xT9vNQZtWSyfdBlfUXOxXLXDymxFGckGmoxFxUnAgBRV3V8FQMAAA== X-CFilter-Loop: TUS02 Archived-At: Subject: Re: [Teep] [EXT] OTrP Proposal - Removing Redundant Message Layer X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Jul 2017 01:57:35 -0000 Hi Anders, Thank you for your comments and suggestions. I was on vacation and travel, and just circle back on this. Please see my comments inline. Overall, I did hope that JOSE signature can be inline as JCS for easier readability without being in the encoded form but I do see much bigger benefit to leverage well discussed and approved standard JOSE for achieving implementation interoperability. If JCS can get further alignment within IETF as an alternative JSON signature standard, I am open to support it. We know the history of XML signature - enveloped and attached flavors. I didn=B9t get into the JOSE discussion of the final choice but I knew that canonicalization was complex to handle. The overhead of Base64URL of payload looks to be tolerable if not ideal in this usage context here, I think. How do you see the traction that JCS becomes a commonly endorsed standard format?=20 Thanks, Ming On 5/23/17, 10:49 PM, "TEEP on behalf of Anders Rundgren" wrote: >Hi TEEers, > >As an alternative (or maybe a complement) to the session-key proposal >https://mailarchive.ietf.org/arch/msg/teep/qs-4aXf2Fx9mrBOz6Kj8f1Mk7G8 >you may consider evaluating an alternative to JOSE for signatures. > >The JOSE standards stack is awesome but was designed for the needs of >OpenId and such rather than security protocols in general. Another corner >stone for the JOSE work was that there is no such thing as JSON >canonicalization which is why data is dressed in Base64URL. However, the >latter changed with the advent of EcmaScript version 6 which specifies an >exact method for serializing JavaScript/JSON objects which is already >implemented in most Browsers, Node.js, as well as in Android* and Java* >in general. In fact (modulo floating point), it works flawlessly in most >other platforms as well. > >Now to the actual issue. I have taken the liberty analyzing the >consequences of using JWS in OTrP: > >https://tools.ietf.org/html/draft-pei-opentrustprotocol-03#section-7.4 > > "The top element " [Signed][Request | Response]" >cannot be > fully trusted to match the content because it doesn't >participate the > signature generation. However, a recipient can always >match it with > the value associated with the property "payload". It >purely serves to > provide a quick reference for reading and method >invocation." > >SIDE-EFFECT: JWS introduces additional signature verification steps Ming: right. The naming is a reference, and can be compared with the name in the payload that has integrity check. The overhead is pretty small or trivial in my consideration, leveraging JOSE while providing some quick reference benefit without decoding. It is a balance. > > >https://tools.ietf.org/html/draft-pei-opentrustprotocol-03#section-8.2.1.3 > >Top level message object: > { > "CreateSDResponse": { > "payload":"", > "protected": { > "" > }, > "signature": "device private key (BASE64URL)>" > } > } > >Payload: > { > "CreateSDTBSResponse": { > "ver": "1.0", > "status": "", > "rid": "", > "tid": "", > "content": ENCRYPTED { > "reason":"", // optional > "did": "", > "sdname": "", > "teespaik": "encoded>", > "dsi": "by this TSM>" > } > } > } > >SIDE-EFFECT: JWS forces you adding artificial message layers in order to >get a reasonable message structure. Ming: the payload data itself can freely have any data content we need to construct for OTrP logic. It just goes back to the encoding to get payload and the JOSE signature. > >By combining ES6 Serialization, JSON Web Algorithms (JOSE/JWA) and JSON >Web Key (JOSE/JWK), you can stay pretty close to JOSE while getting away >from the current two-level messaging scheme in addition to having header >information in clear: >https://cyberphone.github.io/doc/security/jsonsignatures.html > >Although not on any IETF standard track, this is not a research project, >JCS (JSON Cleartext Signature) is fully documented and supported by an >extensive set of test vectors and working code. Ming: thanks for your work. I trust it is well written and tested. Just for standard reference, I am personally inclined to leverage what has been approved JSON after many considerable debates and compromise for interoperability. Happy to discuss further here and at Prague if you are going. Thanks again for your improvement suggestion. > >Cheers, >Anders >Co-inventor of signed JavaScript/JSON objects >https://clicktime.symantec.com/a/1/QTy_yBCUNYZo9tIyB1dIFw0oU5d_qTtMg1iQZNC >hLtQ=3D?d=3DH1RqBoAz6Y6IDyLUoGRp6kVw-Qep7vDUn0dbUlh75Rjsxyxc5WkwHTZm5rN7aT= 9qnG >pI-VF8jgfJSICAEGQjVGq0UVUkXypftYQeaNBTYhG73dVHczyC_w405LsuUV9elouoIWeZVz-v >56y-nOct4hnWBHZbsJ27bdVdshzT8N1OgpfTNF6skQp5qTIzGvYaGXkpWmi9FTqlFpYsMcM0la >g32Fv2kiYAHiJBWtlPlD-E4ebDPyTUoZKB1WLGphwu0jnVc0HVM5Y5iyTQtCG0UFP9JgdEVamw >B-WPU8l0518eiQ_sqIx71zVgggh9G2d9zyXz3aQq_pUBb4Ky3HzsTrpo1wkF7gRfutAsnCsJWo >uCkhN7ZkB33OSAesgr5A2r_RGsnpNn6YScZ7kBiJzG&u=3Dhttps%3A%2F%2Fgithub.com%2F= cy >berphone%2Fopenkeystore%23openkeystore > >* Through third-party libraries > >_______________________________________________ >TEEP mailing list >TEEP@ietf.org >https://www.ietf.org/mailman/listinfo/teep From nobody Fri Jun 30 18:57:56 2017 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B82B71200F3 for ; 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A TA management message protocol between a TEE and TAM uses a =B3keygen=B2 and key store scheme tha= t sounds to be in a device side? I may need your help to show how the dots connect when we meet. Thanks, Ming On 5/23/17, 8:11 AM, "TEEP on behalf of Anders Rundgren" wrote: >Hi fellow TEEers, > >As some of you know I have been working for a long time on a concept >coined SKS/KeyGen2 which is about using a TA (or HW) as a universal >keystore and then be able managing keys in an E2ES (End to End Security) >fashion over the Web. > >Since the data structures you can create with the management protocol >(KeyGen2) are arbitrary complex, a naive approach would require an >equally arbitrary amount of RAM. Since RAM vs FLASH/ROM typically differ >with a factor of 10 or more, I simply had to come up with a better >solution. > >The solution I found was to creating a _session_key_ and do things in >_steps_. This allows the system to use a non-encrypted (but MACed) API >and only encrypt data which absolutely needs encryption. Another benefit >is that the protocol can work on (what appears to be) a high level >including aggregation of API calls. > >https://cyberphone.github.io/doc/security/keygen2.html#Sample_Run > >Are there downsides to this you may wonder? Of course, _all_ solutions >have such :-) >If a session is abruptly terminated you may end up with a bricked system. > >Workaround: The SKS (Secure Key Store) builds on a transaction concept >so that nothing is "committed" (inside of it) until the last call has >been _successfully_performed_. > >There's another important benefit of the session key approach: Format >independency on the protocol side since the API only needs to process >low-level binary. That is, OTrP could be dressed in JSON and CBOR without >_any_ protocol/API level adjustments. > >This is not only a nice theory, a public PoC using a "soft" SKS is >available for anybody having 5-10 minutes to spend: >https://clicktime.symantec.com/a/1/ggAdops3Ydf6C9-yDs0VOyEO1bahJhu00SU0rkD >Qem4=3D?d=3DlqPhCwVyemhl49G8CGjmJsn-ffcjyzl4WQrsBBXcp8w6tchxzYobQKJee4Ehwu= aUEm >PvNUyKZU1LNAGZrOscSxXqstjbJKshzS1QyOFF972izeB8gvyEfTxYVxTJM-CL2Ovs-K1xl2FZ >AHAuAfwJW5AbdOK0W6G8WdzLthzwSy9NmwEwlfzPRxk6sUOtXIIZntC1VVDgdOGfhZDPd-4vw9 >RFkB3j799aGao4kYN9tiGrLJaLy7ygb42P6iwKT_BBuM8xRWERdoXSXbq74l9usUzM4c-2Z9Jm >3yLnhoFfFi_WoGu2aginpoP0o7zCiVP5zPRcxCP2ybRbpnEtXA0FA0RWhSB2rkltyjZ2MHUT1i >qP8kTPguh5ymOI1sQXjN5RQWrz7cUKt1rjL1CUxw%3D%3D&u=3Dhttps%3A%2F%2Ftest.webp= ki >.org%2Fwebpay-merchant >https://clicktime.symantec.com/a/1/TqDNusTIhT9HMVLmftjqYel-a4Byq3bZdlSHOyR >ZY2o=3D?d=3DlqPhCwVyemhl49G8CGjmJsn-ffcjyzl4WQrsBBXcp8w6tchxzYobQKJee4Ehwu= aUEm >PvNUyKZU1LNAGZrOscSxXqstjbJKshzS1QyOFF972izeB8gvyEfTxYVxTJM-CL2Ovs-K1xl2FZ >AHAuAfwJW5AbdOK0W6G8WdzLthzwSy9NmwEwlfzPRxk6sUOtXIIZntC1VVDgdOGfhZDPd-4vw9 >RFkB3j799aGao4kYN9tiGrLJaLy7ygb42P6iwKT_BBuM8xRWERdoXSXbq74l9usUzM4c-2Z9Jm >3yLnhoFfFi_WoGu2aginpoP0o7zCiVP5zPRcxCP2ybRbpnEtXA0FA0RWhSB2rkltyjZ2MHUT1i >qP8kTPguh5ymOI1sQXjN5RQWrz7cUKt1rjL1CUxw%3D%3D&u=3Dhttps%3A%2F%2Fplay.goog= le >.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dorg.webpki.mobile.android > >The next [anticipated] step on this project is transcending cryptographic >keys to become first-class OS objects like Files, Processes, Users, etc. >which I recently presented at Linaro Connect in Budapest. > >Cheers, >Anders >https://clicktime.symantec.com/a/1/7X7OUEGaQxNzyiGR0vsp-Np1LfXYKBdTf3Omeej >uqdI=3D?d=3DlqPhCwVyemhl49G8CGjmJsn-ffcjyzl4WQrsBBXcp8w6tchxzYobQKJee4Ehwu= aUEm >PvNUyKZU1LNAGZrOscSxXqstjbJKshzS1QyOFF972izeB8gvyEfTxYVxTJM-CL2Ovs-K1xl2FZ >AHAuAfwJW5AbdOK0W6G8WdzLthzwSy9NmwEwlfzPRxk6sUOtXIIZntC1VVDgdOGfhZDPd-4vw9 >RFkB3j799aGao4kYN9tiGrLJaLy7ygb42P6iwKT_BBuM8xRWERdoXSXbq74l9usUzM4c-2Z9Jm >3yLnhoFfFi_WoGu2aginpoP0o7zCiVP5zPRcxCP2ybRbpnEtXA0FA0RWhSB2rkltyjZ2MHUT1i >qP8kTPguh5ymOI1sQXjN5RQWrz7cUKt1rjL1CUxw%3D%3D&u=3Dhttps%3A%2F%2Fpriorart.= ip >.com%2FIPCOM%2F000215433 > >_______________________________________________ >TEEP mailing list >TEEP@ietf.org >https://www.ietf.org/mailman/listinfo/teep