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Bootstomp: on the Security of Bootloaders in Mobile Devices
BootStomp: On the Security of Bootloaders in Mobile Devices Nilo Redini, Aravind Machiry, Dipanjan Das, Yanick Fratantonio, Antonio Bianchi, Eric Gustafson, Yan Shoshitaishvili, Christopher Kruegel, and Giovanni Vigna, UC Santa Barbara https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/redini This paper is included in the Proceedings of the 26th USENIX Security Symposium August 16–18, 2017 • Vancouver, BC, Canada ISBN 978-1-931971-40-9 Open access to the Proceedings of the 26th USENIX Security Symposium is sponsored by USENIX BootStomp: On the Security of Bootloaders in Mobile Devices Nilo Redini, Aravind Machiry, Dipanjan Das, Yanick Fratantonio, Antonio Bianchi, Eric Gustafson, Yan Shoshitaishvili, Christopher Kruegel, and Giovanni Vigna fnredini, machiry, dipanjan, yanick, antoniob, edg, yans, chris, [email protected] University of California, Santa Barbara Abstract by proposing simple mitigation steps that can be im- plemented by manufacturers to safeguard the bootloader Modern mobile bootloaders play an important role in and OS from all of the discovered attacks, using already- both the function and the security of the device. They deployed hardware features. help ensure the Chain of Trust (CoT), where each stage of the boot process verifies the integrity and origin of 1 Introduction the following stage before executing it. This process, in theory, should be immune even to attackers gaining With the critical importance of the integrity of today’s full control over the operating system, and should pre- mobile and embedded devices, vendors have imple- vent persistent compromise of a device’s CoT. However, mented a string of inter-dependent mechanisms aimed at not only do these bootloaders necessarily need to take removing the possibility of persistent compromise from untrusted input from an attacker in control of the OS in the device. -
FAN53525 3.0A, 2.4Mhz, Digitally Programmable Tinybuck® Regulator
FAN53525 — 3.0 A, 2.4 MHz, June 2014 FAN53525 3.0A, 2.4MHz, Digitally Programmable TinyBuck® Regulator Digitally Programmable TinyBuck Digitally Features Description . Fixed-Frequency Operation: 2.4 MHz The FAN53525 is a step-down switching voltage regulator that delivers a digitally programmable output from an input . Best-in-Class Load Transient voltage supply of 2.5 V to 5.5 V. The output voltage is 2 . Continuous Output Current Capability: 3.0 A programmed through an I C interface capable of operating up to 3.4 MHz. 2.5 V to 5.5 V Input Voltage Range Using a proprietary architecture with synchronous . Digitally Programmable Output Voltage: rectification, the FAN53525 is capable of delivering 3.0 A - 0.600 V to 1.39375 V in 6.25 mV Steps continuous at over 80% efficiency, maintaining that efficiency at load currents as low as 10 mA. The regulator operates at Programmable Slew Rate for Voltage Transitions . a nominal fixed frequency of 2.4 MHz, which reduces the . I2C-Compatible Interface Up to 3.4 Mbps value of the external components to 330 nH for the output inductor and as low as 20 µF for the output capacitor. PFM Mode for High Efficiency in Light Load . Additional output capacitance can be added to improve . Quiescent Current in PFM Mode: 50 µA (Typical) regulation during load transients without affecting stability, allowing inductance up to 1.2 µH to be used. Input Under-Voltage Lockout (UVLO) ® At moderate and light loads, Pulse Frequency Modulation Regulator Thermal Shutdown and Overload Protection . (PFM) is used to operate in Power-Save Mode with a typical . -
GPU Developments 2018
GPU Developments 2018 2018 GPU Developments 2018 © Copyright Jon Peddie Research 2019. All rights reserved. Reproduction in whole or in part is prohibited without written permission from Jon Peddie Research. This report is the property of Jon Peddie Research (JPR) and made available to a restricted number of clients only upon these terms and conditions. Agreement not to copy or disclose. This report and all future reports or other materials provided by JPR pursuant to this subscription (collectively, “Reports”) are protected by: (i) federal copyright, pursuant to the Copyright Act of 1976; and (ii) the nondisclosure provisions set forth immediately following. License, exclusive use, and agreement not to disclose. Reports are the trade secret property exclusively of JPR and are made available to a restricted number of clients, for their exclusive use and only upon the following terms and conditions. JPR grants site-wide license to read and utilize the information in the Reports, exclusively to the initial subscriber to the Reports, its subsidiaries, divisions, and employees (collectively, “Subscriber”). The Reports shall, at all times, be treated by Subscriber as proprietary and confidential documents, for internal use only. Subscriber agrees that it will not reproduce for or share any of the material in the Reports (“Material”) with any entity or individual other than Subscriber (“Shared Third Party”) (collectively, “Share” or “Sharing”), without the advance written permission of JPR. Subscriber shall be liable for any breach of this agreement and shall be subject to cancellation of its subscription to Reports. Without limiting this liability, Subscriber shall be liable for any damages suffered by JPR as a result of any Sharing of any Material, without advance written permission of JPR. -
Streaming Integrated Amplifier User’S Manual U S E’ S M an U a L
OmniaOmnia A300 Streaming Integrated Amplifier User’s Manual U S E’ S M AN U A L Table of Contents FCC NOTICE - DECLARATION OF CONFORMITY INFORMATION .................................................................... 2 EU DECLARATION OF CONFORMITY ........................................................................................................... 3 SAFETY INSTRUCTIONS ............................................................................................................................. 4 WHAT’S IN THE BOX .................................................................................................................................. 7 QUICK SETUP GUIDE .............................................................................................................................. 8 WIRELESS AUTO SETUP ............................................................................................................................. 9 CONTROLLING MULTIPLE A300 AND RE-STREAMING ........................................................................ 14 WIRELESS MANUAL SETUP ................................................................................................................. 16 INTRODUCTION ................................................................................................................................... 17 TECHNICAL HIGHLIGHTS ......................................................................................................................... 17 LISTENING OPTIMIZATION ..................................................................................................................... -
Embedded Computer Solutions for Advanced Automation Control «
» Embedded Computer Solutions for Advanced Automation Control « » Innovative Scalable Hardware » Qualifi ed for Industrial Software » Open Industrial Communication The pulse of innovation » We enable Automation! « Open Industrial Automation Platforms Kontron, one of the leaders of embedded computing technol- ogy has established dedicated global business units to provide application-ready OEM platforms for specifi c markets, includ- ing Industrial Automation. With our global corporate headquarters located in Germany, Visualization & Control Data Storage Internet-of-Things and regional headquarters in the United States and Asia-Pa- PanelPC Industrial Server cifi c, Kontron has established a strong presence worldwide. More than 1000 highly qualifi ed engineers in R&D, technical Industrie 4.0 support, and project management work with our experienced sales teams and sales partners to devise a solution that meets M2M SYMKLOUD your individual application’s demands. When it comes to embedded computing, you can focus on your core capabilities and rely on Kontron as your global OEM part- ner for a successful long-term business relationship. In addition to COTS standards based products, Kontron also of- fers semi- and full-custom ODM services for a full product port- folio that ranges from Computer-on-Modules and SBCs, up to embedded integrated systems and application ready platforms. Open for new technologies Kontron provides an exceptional range of hardware for any kind of control solution. Open for individual application Kontron systems are available either as readily integrated control solutions, or as open platforms for customers who build their own control applications with their own look and feel. Open for real-time Kontron’s Industrial Automation platforms are open for Real- Industrial Ethernet Time operating systems like VxWorks and Linux with real time extension. -
– Amlogic S905X2 Chipset – Armv8-A Architecture – ARM G31
NV-720 series IPTV Set-Top Boxes Data Sheet Integrated Networking Solutions – Amlogic S905X2 chipset – ARMv8-A architecture – ARM G31 MP2 graphic accelerator – 2D/3D accelerators, support for OpenGL 3.2 – OS Android 9 – App store – Support for widely used Middleware – Android API, SDK – H.265 – 4Kp60 decoding – Wi-Fi 802.11a/b/g/n/ac – HDMI 2.1 NV-720 IPTV set-top boxes on Android ensure a new Peer-to-Peer TV level of service provision. NV-720 series set-top boxes support real-time NV-720 is an excellent way to promote digital television playback of media files via DC++ protocol without a services and to attract new customers. PC or files preloading to a local disk. There is an opportunity of downloaded files queue creation, Android platform background downloading and organization of an NV-711 Android allows the creation of a single universal illustrated page (catalogue) for media content. platform for access to services including AndroidTV interface. Basic services – HD/UHD IPTV Customized app store creation – OTT The open platform and development tools (SDK, API) – VoD make it possible to create new operator services. – Media Player (files playback from external storage media and a local network) Hardware – Electronic program guide (EPG) Quad-core Amlogic media processor supports a wide – Support for cloud services range of audio and video formats. – Online sources: YouTube, Internet radio, etc. – Provider’s app store Up-to-date Wi-Fi technologies – Support for HLS NV-720-WB set-top boxes support up-to-date Wi-Fi – Peer-to-Peer TV (streaming via DC++) standards: 802.11a/b/g/n/ас. -
Low-Power Ultra-Small Edge AI Accelerators for Image Recog- Nition with Convolution Neural Networks: Analysis and Future Directions
Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 16 July 2021 doi:10.20944/preprints202107.0375.v1 Review Low-power Ultra-small Edge AI Accelerators for Image Recog- nition with Convolution Neural Networks: Analysis and Future Directions Weison Lin 1, *, Adewale Adetomi 1 and Tughrul Arslan 1 1 Institute for Integrated Micro and Nano Systems, University of Edinburgh, Edinburgh EH9 3FF, UK; [email protected]; [email protected] * Correspondence: [email protected] Abstract: Edge AI accelerators have been emerging as a solution for near customers’ applications in areas such as unmanned aerial vehicles (UAVs), image recognition sensors, wearable devices, ro- botics, and remote sensing satellites. These applications not only require meeting performance tar- gets but also meeting strict reliability and resilience constraints due to operations in harsh and hos- tile environments. Numerous research articles have been proposed, but not all of these include full specifications. Most of these tend to compare their architecture with other existing CPUs, GPUs, or other reference research. This implies that the performance results of the articles are not compre- hensive. Thus, this work lists the three key features in the specifications such as computation ability, power consumption, and the area size of prior art edge AI accelerators and the CGRA accelerators during the past few years to define and evaluate the low power ultra-small edge AI accelerators. We introduce the actual evaluation results showing the trend in edge AI accelerator design about key performance metrics to guide designers on the actual performance of existing edge AI acceler- ators’ capability and provide future design directions and trends for other applications with chal- lenging constraints. -
Tegra Linux Driver Package
TEGRA LINUX DRIVER PACKAGE RN_05071-R32 | March 18, 2019 Subject to Change 32.1 Release Notes RN_05071-R32 Table of Contents 1.0 About this Release ................................................................................... 3 1.1 Login Credentials ............................................................................................... 4 2.0 Known Issues .......................................................................................... 5 2.1 General System Usability ...................................................................................... 5 2.2 Boot .............................................................................................................. 6 2.3 Camera ........................................................................................................... 6 2.4 CUDA Samples .................................................................................................. 7 2.5 Multimedia ....................................................................................................... 7 3.0 Top Fixed Issues ...................................................................................... 9 3.1 General System Usability ...................................................................................... 9 3.2 Camera ........................................................................................................... 9 4.0 Documentation Corrections ..................................................................... 10 4.1 Adaptation and Bring-Up Guide ............................................................................ -
Amlogic Application Notes
Amlogic Openlinux Release Notes Amlogic Buildroot Openlinux Release Note AMLOGIC, Inc. 2518 Mission College Blvd Santa Clara, CA 95054 U.S.A. www.amlogic.com AMLOGIC reserves the right to change any information described herein at any time without notice. AMLOGIC assumes no responsibility or liability from use of such information. Amlogic Confidential 1 Amlogic Openlinux Release Notes Content 1. Basic Information .............................................................................................................................................................. 3 1.1. INTRODUCTION ............................................................................................................................................................ 3 1.1.1. Kernel Version .................................................................................................................................................... 3 1.1.2. List of Supported Drivers .................................................................................................................................... 3 1.2. CHIP INFORMATION ..................................................................................................................................................... 3 1.3. HOW TO GET CODE ...................................................................................................................................................... 4 1.4. REFERENCE PLATFORM ............................................................................................................................................... -
042Cf377-Ed0c-4715-9260-770F680082fc.Pdf
WiFi Tablets 70 Neon + The ARCHOS 70 Neon Plus is one of the most affordable tablets on the market. It includes a powerful quad-core processor running the latest Android operating system: Android™ 5.1 Lollipop®. The 7-inch IPS display provides incredible colors and wide viewing angles, perfect for enjoying your content on-the-go. The ARCHOS 70 Neon Plus is designed to offer a unique multimedia experience. AndroidTM 5.1, Lollipop® Android™ 5.1, “Lollipop” 7” IPS Capacitive Screen 1024x 600 pixels Rockchip 3126 Quad-Core CPU @ 1.3 GHz 1 GB RAM 8 GB flash memory (+ microSD slot) GB Micro SD Wifi WiFi, dual cameras, micro USB host, G-sensor, speaker... 8 4 5 90b Neon Featuring a powerful 1.2 GHz Quad-core processor and Dual-core graphics processor, the ARCHOS 90b Neon has a super smooth interface. At an affordable price, the ARCHOS 90b Neon delivers an amazing experience to meet all your needs: emails, movies, photos, web browsing… Android™ 4.4, “Kitkat” 9” Capacitive Screen 1024 x 600 pixels All Winner A33 Quad-Core CPU @ 1.2 GHz 512 MB RAM 8 GB flash memory (+ microSD slot) GB Wifi WiFi, dual cameras, micro USB host, G-sensor, 8 speaker... 6 7 101d Neon A mix between large screen and productivity, the ARCHOS 101d Neon includes a large 10.1” screen and ARCHOS media applications, perfect for your multimedia, wherever you are. Featuring a powerful Quad-core processor and Quad-core graphics processor, the ARCHOS 101d Neon offers a super smooth interface for an affordable price and delivers an amazing experience to meet all your needs. -
Global Network Investment Competition Fudan University Supreme Pole ‐ Allwinner Technology
Global Network Investment Competition Fudan University Supreme Pole ‐ Allwinner Technology Date: 31.10.2017 Fan Jiang Jianbin Gu Qianrong Lu Shijie Dong Zheng Xu Chunhua Xu Allwinner Technology ‐‐ Sail Again We initiate coverage on Allwinner Technology with a strong BUY rating, target price is derived by DCF at CNY ¥ 35.91 , indicating Price CNY ¥ 27.60 30.1% upside potential. Price Target CNY ¥ 35.91 Upside Potential 30.1% Target Period 1 Year We recommend based on: 52 week Low CNY ¥ 23.4 Broad prospects of the AI. 52 week High CNY ¥ 54.02 Supporting of the industry policy. Average Volume CNY ¥ 190.28 M Allwinner has finished its transition. Market Cap CNY ¥ 96.08 B The rise of the various new P/E 64 products will put the margins back Price Performance in the black. 60 The current valuation, 64.x P/E, is 50 lower than its competitor such as 40 Ingenic which is trading at more 30 than 100 and Nationz which is 20 trading at 76.x P/E. 10 0 Overview for Allwinner Allwinner Technology, founded in 2007, is a leading fabless design company dedicated to smart application processor SoCs and smart analog ICs. Its product line includes multi‐core application processors for smart devices and smart power management ICs used worldwide. These two categories of products are applied to various types of intelligent terminals into 3 major business lines: Consumer Electronics: Robot, Smart Hardware Open Platform, Tablets, Video Theater Device, E‐Reader, Video Story Machine, Action Camera, VR Home Entertainment: OTT Box, Karaoke Machine, IPC monitoring Connected Automotive Applications: Dash Cams, Smart Rear‐view Mirror, In Car Entertainment THE PROSPECT OF AI AI(Artificial Intelligence) has a wider range of global concern and is entering its third golden period of development. -
Elinux Status
Status of Embedded Linux Status of Embedded Linux April 2015 Tim Bird Architecture Group Chair 1 LF CE Workgroup 1 10/23/2014 PA1 Confidential Outline Kernel Versions Technology Areas CE Workgroup Projects Other Stuff Resources 2 2 10/23/2014 PA1 Confidential Outline Kernel Versions Technology Areas CE Workgroup Projects Other Stuff Resources 3 3 10/23/2014 PA1 Confidential Kernel Versions • Linux v3.14 – 30 Mar 2014 – 70 days • Linux v3.15 – 8 Jun 2014 – 70 days • Linux v3.16 – 3 Aug 2014 – 57 days • Linux v3.17 – 5 Oct 2014 – 63 days • Linux v3.18 – 7 Dec 2014 – 63 days • Linux v3.19 – 8 Feb 2015 – 63 day • Linux v4.0-rc7 – (60 days so far) • Linus said probably this weekend or next 4 4 10/23/2014 PA1 Confidential Linux v3.14 • Last long-term stable (LTS) kernel • LTS is at 3.14.37 (as of March 2015) • Will be supported until August of 2016 • Current LTSI is based on 3.14.28 5 10/23/2014 PA1 Confidential Linux v3.16 • Power-aware scheduling • decode_stacktrace.sh • Converts offsets in a stack trace to filenames and line numbers • F2FS large volume support 6 10/23/2014 PA1 Confidential Linux v3.17 • Lots of ARM hardware support • Newly enabled ARM hardware • Rockchip RK3288 SoC • Allwinner A23 SoC • Allwinner A31 Hummingbird • Tegra30 Apalis board support • Gumstix Pepper AM335x • AM437x TI evaluation board • Other ARM boards with existing support also saw improvements with Linux 3.17 • Rework of "config-bisect" mode in ktest 7 10/23/2014 PA1 Confidential Linux v3.18 • OverlayFS introduced • Size reduction patch: • madvise and fadvise