SFO15-205: OP-TEE Content Decryption with Microsoft PlayReady on ARM

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SFO15-205: OP-TEE Content Decryption with Microsoft PlayReady on ARM Speakers: Zoltan Kuscsik Date: September 22, 2015 ★ Session Description ★ This presentation gives an overview of how various components of set-top software are integrated to provide a W3C EME solution employing a commercial DRM integrated with an open source TEE running on ARM TrustZone. ★ Resources ★ Video: https://www.youtube.com/watch?v=defbtpsw6h8 Presentation: http://www.slideshare.net/linaroorg/sfo15205-optee-content-decryption-with-microsoft-playready-on-arm-53111683 Etherpad: pad.linaro.org/p/sfo15-205 Pathable: https://sfo15.pathable.com/meetings/302837 ★ Event Details ★ Linaro Connect San Francisco 2015 - #SFO15 September 21-25, 2015 Hyatt Regency Hotel http://www.linaro.org http://connect.linaro.org

Technology

Presented by
Date
Event
SFO15-205: OP-TEE Content
Decryption with Microsoft
PlayReady on ARM
TrustZone
Zoltan Kuscsik, PhD
Tuesday 22 September 2015
SFO15

Introduction
Open source Linux project utilizing ARM TrustZone(R) for developing trusted applications.
The project is maintained by Linaro and STMicroelectronics. OP TEE is compliant with the Global
Platforms API specifications.
OP TEE OS:
https://github.com/OP-TEE/optee_os
OP TEE Client:
https://github.com/OP-TEE/optee_client
OP TEE Linux driver:
https://github.com/OP-TEE/optee_linuxdriver
Open CDM:
https://github.com/fraunhoferfokus/open-content-decryption-module

Linux
TrustZone / OP TEE OS
OP TEE Client
What is OP TEE?
Linux Native App
Global Platform TEE
API
TEE Supplicant
OP TEE Linux Driver Storage
OP TEE OS
Trusted App (DRM)
TEE Core HAL
Secure
Monitor
OP TEE Hello World:
https://github.com/jenswi-linaro/lcu14_optee_hello_world

Supported HW and Emulators
Architectures: ARMv7, ARMv8
Foundation FVP
ARMs Juno Board
QEMU
STMicroelectronics b2120 - h310 / h410
STMicroelectronics b2020-h416
Allwinner A80 Board
HiKey Board (HiSilicon Kirin 620)
MediaTek MT8173 EVB Board

Encrypted Media Extensions
W3C draft for playback protected
content using the HTMLMediaElement.
The standard doesn’t specify the DRM
subsystem itself but provides a API to
interface/select a DRM subsystem.
Supported by almost all browsers using
various DRM platforms: Widewine,
Adobe DRM, PlayReady

CDM portability and interoperability?
● Support for internal and external CDM
implementations.
● Chromium code is closely following the EME standard,
however, the standard is still in draft.

Open CDM Browser
OCDM
CDMI Service
cdmi.h
Interface for various key systems.
mock.drm ClearKey/OpenSSL
CDM
PlayReady CDMI
RPC
ClearKey
OP TEE

CDM implementations
Chromium External
Clear Key
Linaro Clear Key
CDM with SSL
Linaro Clear Key
CDM with OPTEE
Linaro CDM
PPAPI CDM Yes Yes Yes Yes
OpenCDM No Yes Yes Yes
OP TEE and
TrustZone®
No No Yes Yes
PlayReady, other
DRM support
No No No Yes
Compatibility ARMv7, ARMv8, x86 ARMv7, ARMv8,
x86
ARMv7, ARMv8 ARMv7, ARMv8

OpenSSL ClearKey CDM
● Works both on X86 and ARM Linux.
● Allows the testing and exercising the Open CDM implementation:
https://github.com/linaro-home/open-content-decryption-module-cdmi
● Upstreamed to OpenCDM project

OP TEE - CDM
● Used as a baseline for integrating OP TEE with commercial
DRMs.
● Decrypting and playback of protected webm/mp4 videos in
Chromium.
● Support for MS PlayReady on ARM Linux.
● Support for STM B2120, Allwinner and 96boards.

Secure data path
Returning clear buffers to Linux space? Not very secure.
Secure RAMNon-secure RAM
Encrypted
buffers
Trusted App
(DRM)
Decrypted
Buffers
Decoded
buffers
Browser EME
CDM Player
DMABuf
reference
Decoder HW
Display

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Linaro

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LCU14 500 ARM Trusted Firmware --------------------------------------------------- Speaker: Andrew Thoelke Date: September 19, 2014 --------------------------------------------------- ★ Resources ★ Zerista: http://lcu14.zerista.com/event/member/137787 Google Event: https://plus.google.com/u/0/events/c6cbh0rr2488ls6bkogvi4ggcic Video: https://www.youtube.com/watch?v=je0_-yYgKdc&list=UUIVqQKxCyQLJS6xvSmfndLA Etherpad: http://pad.linaro.org/p/lcu14-500 --------------------------------------------------- ★ Event Details ★ Linaro Connect USA - #LCU14 September 15-19th, 2014 Hyatt Regency San Francisco Airport --------------------------------------------------- http://www.linaro.org http://connect.linaro.org

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Short The growing amount of data captured by sensors and the real time constraints imply that not only big data analytics but also Machine Learning (ML) inference shall be executed at the edge. The multiple options for neural network acceleration in Arm-based platforms provide an unprecedented opportunity for new intelligent devices. It also raises the risk of fragmentation and duplication of efforts when multiple frameworks shall support multiple accelerators. Andrea Gallo, Linaro VP of Segment Groups, will summarise the existing NN frameworks, accelerator solutions, and will describe the efforts underway in the Arm ecosystem. Abstract The dramatically growing amount of data captured by sensors and the ever more stringent requirements for latency and real time constraints are paving the way for edge computing, and this implies that not only big data analytics but also Machine Learning (ML) inference shall be executed at the edge. The multiple options for neural network acceleration in recent Arm-based platforms provides an unprecedented opportunity for new intelligent devices with ML inference. It also raises the risk of fragmentation and duplication of efforts when multiple frameworks shall support multiple accelerators. Andrea Gallo, Linaro VP of Segment Groups, will summarise the existing NN frameworks, model description formats, accelerator solutions, low cost development boards and will describe the efforts underway to identify the best technologies to improve the consolidation and enable the competitive innovative advantage from all vendors. Audience The session will be useful for executives to engineers. Executives will gain a deeper understanding of the issues and opportunities. Engineers at NN acceleration IP design houses will take away ideas for how to collaborate in the open source community on their area of expertise, how to evaluate the performance and accelerate multiple NN frameworks without modifying them for each new IP, whether it be targeting edge computing gateways, smart devices or simple microcontrollers. Benefits to the Ecosystem The AI deep learning neural network ecosystem is starting just now and it has similar implications with open source as GPU and video accelerators had in the early days with user space drivers, binary blobs, proprietary APIs and all possible ways to protect their IPs. The session will outline a proposal for a collaborative ecosystem effort to create a common framework to manage multiple NN accelerators while at the same time avoiding to modify deep learning frameworks with multiple forks.

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Talk Title: Huawei’s requirements for the ARM based HPC solution readiness Talk Abstract: A high level review of a wide range of requirements to architect an ARM based competitive HPC solution is provided. The review combines both Industry and Huawei’s unique views with the intend to communicate openly not only the alignment and support in ongoing efforts carried over by other ARM key players but to brief on the areas of differentiation that Huawei is investing towards the research, development and deployment of homegrown ARM based HPC solution(s). Speaker: Joshua Mora Speaker Bio: 20 years of experience in research and development of both software and hardware for high performance computing. Currently leading the architecture definition and development of ARM based HPC solutions, both hardware and software, all the way to the applications (ie. turnkey HPC solutions for different compute intensive markets where ARM will succeed !!).

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“Delivering a well working distribution is hard. There are a lot of different hardware platforms that need to be verified and the software stack is in a big flux during development phases. In rolling releases, this gets even worse, as nothing ever stands still. The only sane answer to that problem are working Continuous Integration tests. The SUSE way to check whether any change breaks normal distribution behavior is OpenQA. Using OpenQA we can automatically run tests that hard working QA people did manually in the old days. That way we have fast enough turnaround times to find and reject breaking changes This session shows how OpenQA works, what pitfalls we had to make ARM work with OpenQA and what we’re doing to improve it for ARM specific use cases.”

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Speaker: Renato Golin Speaker Bio: He started programming in the late 80's in C for PCs after a few years playing with 8-bit computers, but he only started programming professionally in the late 90's during the .com bubble. After many years working on Internet's back-end, he moved to UK and worked a few years on bioinformatics at EBI before joining ARM, where he worked on the DS-5 debugger and on the EDG-to-LLVM bridge, where he became the LLVM Tech Lead. Recently, he worked with large clusters and big data at HPCC before moving to Linaro. Talk Title: OpenHPC Automation with Ansible Talk Abstract: "In order to test OpenHPC packages and components and to use it as a platform to benchmark HPC applications, Linaro is developing an automated deployment strategy, using Ansible, Mr-Provisioner and Jenkins, to install the OS, OpenHPC and prepare the environment on varied architectures (Arm, x86). This work is meant to replace the existing ageing Bash-based recipes upstream while still keeping the documents intact. Our aim is to make it easier to vary hardware configuration, allow for different provisioning techniques and mix internal infrastructure logic to different labs, while still using the same recipes. We hope this will help more people use OpenHPC with a better out-of-the-box experience and with more robust results"

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Speaker: Pavel Shamis Company: Arm Speaker Bio: "Pavel is a Principal Research Engineer at ARM with over 16 years of experience in development HPC solutions. His work is focused on co-design software and hardware building blocks for high-performance interconnect technologies, development communication middleware and novel programming models. Prior to joining ARM, he spent five years at Oak Ridge National Laboratory (ORNL) as a research scientist at Computer Science and Math Division (CSMD). In this role, Pavel was responsible for research and development multiple projects in high-performance communication domain including: Collective Communication Offload (CORE-Direct & Cheetah), OpenSHMEM, and OpenUCX. Before joining ORNL, Pavel spent ten years at Mellanox Technologies, where he led Mellanox HPC team and was one of the key driver in enablement Mellanox HPC software stack, including OFA software stack, OpenMPI, MVAPICH, OpenSHMEM, and other. Pavel is a recipient of prestigious R&D100 award for his contribution in development of the CORE-Direct collective offload technology and he published in excess of 20 research papers. " Talk Title: HPC network stack on ARM Talk Abstract: Applications, programming languages, and libraries that leverage sophisticated network hardware capabilities have a natural advantage when used in today¹s and tomorrow's high-performance and data center computer environments. Modern RDMA based network interconnects provides incredibly rich functionality (RDMA, Atomics, OS-bypass, etc.) that enable low-latency and high-bandwidth communication services. The functionality is supported by a variety of interconnect technologies such as InfiniBand, RoCE, iWARP, Intel OPA, Cray¹s Aries/Gemini, and others. Over the last decade, the HPC community has developed variety user/kernel level protocols and libraries that enable a variety of high-performance applications over RDMA interconnects including MPI, SHMEM, UPC, etc. With the emerging availability HPC solutions based on ARM CPU architecture it is important to understand how ARM integrates with the RDMA hardware and HPC network software stack. In this talk, we will overview ARM architecture and system software stack, including MPI runtimes, OpenSHMEM, and OpenUCX.

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Speaker: Jay Kruemcke Speaker Company: SUSE Bio: "Jay is responsible for the SUSE Linux server products for High Performance Computing, 64-bit ARM systems, and SUSE Linux for IBM Power servers. Jay has built an extensive career in product management including using social media for client collaboration, product positioning, driving future product directions, and evangelizing the capabilities and future directions for dozens of enterprise products. " Talk Title: It just keeps getting better - SUSE enablement for Arm Talk Abstract: SUSE has been delivering commercial Linux support for Arm based servers since 2016. Initially the focus was on high end servers for HPC and Ceph based software defined storage. But we have enabled a number of other Arm SoCs and are even supporting the Raspberry Pi. This session will cover the SUSE products that are available for the Arm platform and view to the future.

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Speakers: Gilad Shainer and Scot Schultz Company: Mellanox Technologies Talk Title: Intelligent Interconnect Architecture to Enable Next Generation HPC Talk Abstract: The latest revolution in HPC interconnect architecture is the development of In-Network Computing, a technology that enables handling and accelerating application workloads at the network level. By placing data-related algorithms on an intelligent network, we can overcome the new performance bottlenecks and improve the data center and applications performance. The combination of In-Network Computing and ARM based processors offer a rich set of capabilities and opportunities to build the next generation of HPC platforms. Gilad Shainer Bio: Gilad Shainer has served as Mellanox's vice president of marketing since March 2013. Previously, Mr. Shainer was Mellanox's vice president of marketing development from March 2012 to March 2013. Mr. Shainer joined Mellanox in 2001 as a design engineer and later served in senior marketing management roles between July 2005 and February 2012. Mr. Shainer holds several patents in the field of high-speed networking and contributed to the PCI-SIG PCI-X and PCIe specifications. Gilad Shainer holds a MSc degree (2001, Cum Laude) and a BSc degree (1998, Cum Laude) in Electrical Engineering from the Technion Institute of Technology in Israel. Scot Schultz Bio: Scot Schultz is a HPC technology specialist with broad knowledge in operating systems, high speed interconnects and processor technologies. Joining the Mellanox team in 2013, Schultz is 30-year veteran of the computing industry. Prior to joining Mellanox, he spent the past 17 years at AMD in various engineering and leadership roles in the area of high performance computing. Scot has also been instrumental with the growth and development of various industry organizations including the Open Fabrics Alliance, and continues to serve as a founding board-member of the OpenPOWER Foundation and Director of Educational Outreach and founding member of the HPC-AI Advisory Council.

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Yutaka Ishikawa - Post-K and Arm HPC Ecosystem - Linaro Arm HPC Workshop Santa Clara 2018 Bio: "Yutaka Ishikawa is the project leader of developing the post K supercomputer. From 1987 to 2001, he was a member of AIST (former Electrotechnical Laboratory), METI. From 1993 to 2001, he was the chief of Parallel and Distributed System Software Laboratory at Real World Computing Partnership. He led development of cluster system software called SCore, which was used in several large PC cluster systems around 2004. From 2002 to 2014, he was a professor at the University Tokyo. He led a project to design a commodity-based supercomputer called T2K open supercomputer. As a result, three universities, Tsukuba, Tokyo, and Kyoto, obtained each supercomputer based on the specification in 2008. He was also involved with the design of the Oakleaf-PACS, the successor of T2K supercomputer in both Tsukuba and Tokyo, whose peak performance is 25PF." Session Title: Post-K and Arm HPC Ecosystem Session Description: "Post-K, a flagship supercomputer in Japan, is being developed by Riken and Fujitsu. It will be the first supercomputer with Armv8-A+SVE. This talk will give an overview of Post-K and how RIKEN and Fujitsu are currently working on software stack for an Arm architecture."

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HKG18-501 - EAS on Common Kernel 4.14 and getting (much) closer to mainline

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Session ID: HKG18-501 Session Name: HKG18-501 - EAS on Common Kernel 4.14 and getting (much) closer to mainline Speaker: Chris Redpath Track: Mobile, Kernel ★ Session Summary ★ This session will introduce the changes to EAS planned for 4.14 kernel, and how Arm hopes that EAS will develop in future. EAS has already evolved from an Arm/Linaro joint project to involving a much wider community of SoC vendors, Google and interested device manufacturers. We will highlight the product-specific pieces remaining in the Android Common Kernel EAS implementation, and our plans to provide an upstreaming plan for each product feature. In particular, the new 'simplified energy model' is designed to provide mainline-friendliness and comparable performance using a simple DT expression of cpu power/performance. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-501/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-501.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-501.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Mobile, Kernel 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961

HKG18-100K1 - George Grey: Opening Keynote

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Session ID: HKG18-100K1 Session Name: HKG18-100K1 - George Grey: Opening Keynote Speaker: George Grey Track: Keynote ★ Session Summary ★ --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-100k1/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-100k1.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-100k1.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Keynote 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961

HKG18-318 - OpenAMP Workshop

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"Session ID: HKG18-318 Session Name: HKG18-318 - OpenAMP Workshop Speaker: Wendy Liang Track: Ecosystem Day ★ Session Summary ★ --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-318/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-318.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-318.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Ecosystem Day 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-501 - EAS on Common Kernel 4.14 and getting (much) closer to mainline

Linaro

"Session ID: HKG18-501 Session Name: HKG18-501 - EAS on Common Kernel 4.14 and getting (much) closer to mainline Speaker: Chris Redpath Track: Mobile, Kernel ★ Session Summary ★ This session will introduce the changes to EAS planned for 4.14 kernel, and how Arm hopes that EAS will develop in future. EAS has already evolved from an Arm/Linaro joint project to involving a much wider community of SoC vendors, Google and interested device manufacturers. We will highlight the product-specific pieces remaining in the Android Common Kernel EAS implementation, and our plans to provide an upstreaming plan for each product feature. In particular, the new 'simplified energy model' is designed to provide mainline-friendliness and comparable performance using a simple DT expression of cpu power/performance. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-501/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-501.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-501.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Mobile, Kernel 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-315 - Why the ecosystem is a wonderful thing, warts and all

Linaro

"Session ID: HKG18-315 Session Name: HKG18-315 - Why the ecosystem is a wonderful thing warts and all Speaker: Andrew Wafaa Track: Ecosystem Day ★ Session Summary ★ The Arm ecosystem is a vibrant place, but it's not always smooth sailing. This presentation will go through the highs and lows of getting the ecosystem fully Arm enabled. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-315/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-315.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-315.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Ecosystem Day 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18- 115 - Partitioning ARM Systems with the Jailhouse Hypervisor

Linaro

"Session ID: HKG18-115 Session Name: HKG18-115 - Partitioning ARM Systems with the Jailhouse Hypervisor Speaker: Jan Kiszka Track: Security ★ Session Summary ★ The open source hypervisor Jailhouse provides hard partitioning of multicore systems to co-locate multiple Linux or RTOS instances side by side. It aims at low complexity and minimal footprint to achieve deterministic behavior and enable certifications according to safety or security standards. In this session, we would like to look at the ARM-specific status of Jailhouse and discuss applications, to-dos and possible collaborations around it with the ARM community. The session is intended to be half presentation, half Q&A / discussion. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-115/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-115.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-115.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Security 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-TR08 - Upstreaming SVE in QEMU

Linaro

"Session ID: HKG18-TR08 Session Name: HKG18-TR08 - Upstreaming SVE in QEMU Speaker: Alex Bennée,Richard Henderson Track: Enterprise ★ Session Summary ★ ARM's Scalable Vector Extensions is an innovative solution to processing highly data parallel workloads. While several out-of-tree attempts at implementing SVE support for QEMU existed, we took a fundamentally different approach to solving key challenges and therefore pursued a from-scratch QEMU SVE implementation in Linaro. Our strategic choice was driven by several factors. First as an ""upstream first"" organisation we were focused on a solution that would be readily accepted by the upstream project. This entailed doing our development in the open on the project mailing lists where early feedback and community consensus can be reached. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-tr08/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-tr08.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-tr08.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Enterprise 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-113- Secure Data Path work with i.MX8M

Linaro

"Session ID: HKG18-113 Session Name: HKG18-113 - Secure Data Path work with i.MX8M Speaker: Cyrille Fleury Track: Digital Home ★ Session Summary ★ NXP presentation on Secure Data Path work with i.MX8M Soc. Demonstrate 4K PlayReady playback with Android 8.1 running on i.MX8M. Focus on security (MS SL3000 and Widevine level 1) --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-113/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-113.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-113.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Digital Home 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-120 - Devicetree Schema Documentation and Validation

Linaro

"Session ID: HKG18-120 Session Name: HKG18-120 - Structured Documentation and Validation for Device Tree Speaker: Grant Likely Track: Kernel ★ Session Summary ★ Devicetree has become the dominant hardware configuration language used when building embedded systems. Projects using Devicetree now include Linux, U-Boot, Android, FreeBSD, and Zephyr. However, it is notoriously difficult to write correct Devicetree data files. The dtc tools perform limited tests for valid data, and there there is not yet a way to add validity test for specific hardware descriptions. Neither is there a good way to document requirements for specific bindings. Work is underway to solve these problems. This session will present a proposal for adding Devicetree schema files to the Devicetree toolchain that can be used to both validate data and produce usable documentation. --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-120/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-120.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-120.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: Kernel 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

HKG18-223 - Trusted FirmwareM: Trusted boot

Linaro

"Session ID: HKG18-223 Session Name: HKG18-223 - Trusted Firmware M : Trusted Boot Speaker: Tamas Ban Track: LITE ★ Session Summary ★ An overview of the trusted boot concept and firmware update on the ARMv8-M based platform and how MCUBoot acts as a BL2 bootloader for TF-M. Trusted Firmware M In October 2017, Arm announced the vision of Platform Security Architecture (PSA) - a common framework to allow everyone in the IoT ecosystem to move forward with stronger, scalable security and greater confidence. There are three key stages to the Platform Security Architecture: Analysis, Architecture and Implementation which are described at https://developer.arm.com/products/architecture/platform-security-architecture. _Trusted Firmware M, i.e. TF-M, is the Arm project to provide an open source reference implementation firmware that will conform to the PSA specification for M-Class devices. Early access to TF-M was released in December 2017 and it is being made public during Linaro Connect. The implementation should be considered a prototype until the PSA specifications reach release state and the code aligns._ --------------------------------------------------- ★ Resources ★ Event Page: http://connect.linaro.org/resource/hkg18/hkg18-223/ Presentation: http://connect.linaro.org.s3.amazonaws.com/hkg18/presentations/hkg18-223.pdf Video: http://connect.linaro.org.s3.amazonaws.com/hkg18/videos/hkg18-223.mp4 --------------------------------------------------- ★ Event Details ★ Linaro Connect Hong Kong 2018 (HKG18) 19-23 March 2018 Regal Airport Hotel Hong Kong --------------------------------------------------- Keyword: LITE 'http://www.linaro.org' 'http://connect.linaro.org' --------------------------------------------------- Follow us on Social Media https://www.facebook.com/LinaroOrg https://www.youtube.com/user/linaroorg?sub_confirmation=1 https://www.linkedin.com/company/1026961"

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1. Presented by Date Event SFO15-205: OP-TEE Content Decryption with Microsoft PlayReady on ARM TrustZone Zoltan Kuscsik, PhD Tuesday 22 September 2015 SFO15

2. Introduction Open source Linux project utilizing ARM TrustZone(R) for developing trusted applications. The project is maintained by Linaro and STMicroelectronics. OP TEE is compliant with the Global Platforms API specifications. OP TEE OS: https://github.com/OP-TEE/optee_os OP TEE Client: https://github.com/OP-TEE/optee_client OP TEE Linux driver: https://github.com/OP-TEE/optee_linuxdriver Open CDM: https://github.com/fraunhoferfokus/open-content-decryption-module

3. Linux TrustZone / OP TEE OS OP TEE Client What is OP TEE? Linux Native App Global Platform TEE API TEE Supplicant OP TEE Linux Driver Storage OP TEE OS Trusted App (DRM) TEE Core HAL Secure Monitor OP TEE Hello World: https://github.com/jenswi-linaro/lcu14_optee_hello_world

4. Supported HW and Emulators Architectures: ARMv7, ARMv8 Foundation FVP ARMs Juno Board QEMU STMicroelectronics b2120 - h310 / h410 STMicroelectronics b2020-h416 Allwinner A80 Board HiKey Board (HiSilicon Kirin 620) MediaTek MT8173 EVB Board

5. Encrypted Media Extensions W3C draft for playback protected content using the HTMLMediaElement. The standard doesn’t specify the DRM subsystem itself but provides a API to interface/select a DRM subsystem. Supported by almost all browsers using various DRM platforms: Widewine, Adobe DRM, PlayReady

6. CDM portability and interoperability? ● Support for internal and external CDM implementations. ● Chromium code is closely following the EME standard, however, the standard is still in draft.

7. Open CDM Browser OCDM CDMI Service cdmi.h Interface for various key systems. mock.drm ClearKey/OpenSSL CDM PlayReady CDMI RPC ClearKey OP TEE

8. CDM implementations Chromium External Clear Key Linaro Clear Key CDM with SSL Linaro Clear Key CDM with OPTEE Linaro CDM PPAPI CDM Yes Yes Yes Yes OpenCDM No Yes Yes Yes OP TEE and TrustZone® No No Yes Yes PlayReady, other DRM support No No No Yes Compatibility ARMv7, ARMv8, x86 ARMv7, ARMv8, x86 ARMv7, ARMv8 ARMv7, ARMv8

9. OpenSSL ClearKey CDM ● Works both on X86 and ARM Linux. ● Allows the testing and exercising the Open CDM implementation: https://github.com/linaro-home/open-content-decryption-module-cdmi ● Upstreamed to OpenCDM project

10. OP TEE - CDM ● Used as a baseline for integrating OP TEE with commercial DRMs. ● Decrypting and playback of protected webm/mp4 videos in Chromium. ● Support for MS PlayReady on ARM Linux. ● Support for STM B2120, Allwinner and 96boards.

11. Secure data path Returning clear buffers to Linux space? Not very secure. Secure RAMNon-secure RAM Encrypted buffers Trusted App (DRM) Decrypted Buffers Decoded buffers Browser EME CDM Player DMABuf reference Decoder HW Display

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