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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. -
Spectracal Videoforge Pro Se
Setup Guide By Rev. 1.7 CalMAN Setup Guide: SpectraCal VideoForge PRO Introduction The SpectraCal VideoForge PRO test pattern generator can be automatically controlled by the CalMAN Display Calibration Software to produce measurement and calibration test patterns via HDMI for SDR and HDR displays at resolutions from 640x480 up to 3840x2160. CalMAN Required Version • Version 5.8.31 or later CalMAN Recommended Workflows • All available measurement and calibration workflows VideoForge PRO Supported Firmware • Version 1.01 or later VideoForge PRO Control Port • Mini USB VideoForge PRO Connection to Computer The VideoForge PRO uses the FTDI USB device driver. 1. Install the FTDI driver before you connect the VideoForge PRO to your computer. The FTDI driver is available: o As part of the CalMAN Device Driver Pack (http://www.spectracal.com/download.php?id=3), or o From the FTDI web site (http://www.ftdichip.com/FTDrivers.htm). When the driver is properly installed, the Murideo will be listed in Device Manager under Ports (COM & LPT) as "USB Serial Port 2 CalMAN Setup Guide: SpectraCal VideoForge PRO (COMx)." If it is not listed that way, the driver is not yet properly installed. 2. Connect the VideoForge PRO to the CalMAN computer with a USB cable. CalMAN Connection to VideoForge PRO 1. When the VideoForge PRO is properly connected to the computer, launch CalMAN. CalMAN will automatically connect to the VideoForge PRO. 2. If the VideoForge PRO is plugged into the CalMAN computer after CalMAN is open, it can be connected by clicking the Find Source button on the CalMAN Source Settings tab. -
What Is Dolby Vision?
Dolby Vision™ for the Home 1 WHAT IS DOLBY VISION? Dolby Vision™ transforms the way you experience movies, TV shows, and games with incredible brightness, contrast, and color that bring entertainment to life before your eyes. By fully leveraging the maximum potential of new cinema projection technology and new TVs’ display capabilities, Dolby Vision delivers high-dynamic-range (HDR) and wide-color-gamut content. The result is a refined, lifelike image that will make you forget you are looking at a screen. Current consumer video delivery and cinema standards are based on the limitations of old technologies and require altering the original content before it can be reproduced for playback—dramatically reducing the range of colors, brightness, and contrast from that captured by modern cameras. Dolby Vision changes that, giving creative teams the confidence that images will be reproduced faithfully on TVs, PCs, and mobile devices that feature Dolby Vision. Dolby Vision is a natural complement to Dolby Atmos®. It gives movie, television, and game creators the tools they need to create experiences that preserve the creative intent and let consumers experience truly immersive content without compromise. For manufacturers of televisions, game consoles, personal computers, and mobile devices, Dolby Vision unlocks the full capabilities of their hardware and creates a premium experience that can increase use and enjoyment of these products. 2 DOLBY VISION: ROOTED IN THE SCIENCE OF THE HUMAN VISUAL SYSTEM There are three ways to improve picture quality for movies, TV shows, games, and user-generated content: • More pixels: 4K, 8K, and beyond • Higher frame rate (HFR) • Better pixels (high dynamic range and wider color gamut): Dolby Vision 4K televisions have “more pixels,” and newer standards for UHD TV also include high frame rates, but these standards don’t make each pixel able to better represent the full range of brightness we see in reality. -
Mediatek Linkit™ Development Platform for RTOS Get Started Guide
MediaTek LinkIt™ Development Platform for RTOS Get Started Guide Version: 3.0 Release date: 30 June 2016 © 2015 - 2016 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s). MediaTek cannot grant you permission for any material that is owned by third parties. You may only use or reproduce this document if you have agreed to and been bound by the applicable license agreement with MediaTek (“License Agreement”) and been granted explicit permission within the License Agreement (“Permitted User”). If you are not a Permitted User, please cease any access or use of this document immediately. Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited. THIS DOCUMENT IS PROVIDED ON AN “AS-IS” BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES OF ANY KIND AND SHALL IN NO EVENT BE LIABLE FOR ANY CLAIMS RELATING TO OR ARISING OUT OF THIS DOCUMENT OR ANY USE OR INABILITY TO USE THEREOF. Specifications contained herein are subject to change without notice. MediaTek LinkIt™ Development Platform for RTOS Get Started Guide Document Revision History Revision Date Description 1.0 24 March 2016 Initial version. 2.0 17 May 2016 Move the contents relative to flash, HDK, and build comments to corresponding documents. Add the support of Keil 3.0 30 June 2016 Add the support of IAR. Refine the architecture and provide more information on the SDK usage. © 2015 - 2016 MediaTek Inc. Page i of v This document contains information that is proprietary to MediaTek Inc. -
Ultra HD Playout & Delivery
Ultra HD Playout & Delivery SOLUTION BRIEF The next major advancement in television has arrived: Ultra HD. By 2020 more than 40 million consumers around the world are projected to be watching close to 250 linear UHD channels, a figure that doesn’t include VOD (video-on-demand) or OTT (over-the-top) UHD services. A complete UHD playout and delivery solution from Harmonic will help you to meet that demand. 4K UHD delivers a screen resolution four times that of 1080p60. Not to be confused with the 4K digital cinema format, a professional production and cinema standard with a resolution of 4096 x 2160, UHD is a broadcast and OTT standard with a video resolution of 3840 x 2160 pixels at 24/30 fps and 8-bit color sampling. Second-generation UHD specifications will reach a frame rate of 50/60 fps at 10 bits. When combined with advanced technologies such as high dynamic range (HDR) and wide color gamut (WCG), the home viewing experience will be unlike anything previously available. The expected demand for UHD content will include all types of programming, from VOD movie channels to live global sporting events such as the World Cup and Olympics. UHD-native channel deployments are already on the rise, including the first linear UHD channel in North America, NASA TV UHD, launched in 2015 via a partnership between Harmonic and NASA’s Marshall Space Flight Center. The channel highlights incredible imagery from the U.S. space program using an end-to-end UHD playout, encoding and delivery solution from Harmonic. The Harmonic UHD solution incorporates the latest developments in IP networking and compression technology, including HEVC (High- Efficiency Video Coding) signal transport and HDR enhancement. -
Encoding H.264 Video for Streaming and Progressive Download
W4: KEY ENCODING SKILLS, TECHNOLOGIES TECHNIQUES STREAMING MEDIA EAST - 2019 Jan Ozer www.streaminglearningcenter.com [email protected]/ 276-235-8542 @janozer Agenda • Introduction • Lesson 5: How to build encoding • Lesson 1: Delivering to Computers, ladder with objective quality metrics Mobile, OTT, and Smart TVs • Lesson 6: Current status of CMAF • Lesson 2: Codec review • Lesson 7: Delivering with dynamic • Lesson 3: Delivering HEVC over and static packaging HLS • Lesson 4: Per-title encoding Lesson 1: Delivering to Computers, Mobile, OTT, and Smart TVs • Computers • Mobile • OTT • Smart TVs Choosing an ABR Format for Computers • Can be DASH or HLS • Factors • Off-the-shelf player vendor (JW Player, Bitmovin, THEOPlayer, etc.) • Encoding/transcoding vendor Choosing an ABR Format for iOS • Native support (playback in the browser) • HTTP Live Streaming • Playback via an app • Any, including DASH, Smooth, HDS or RTMP Dynamic Streaming iOS Media Support Native App Codecs H.264 (High, Level 4.2), HEVC Any (Main10, Level 5 high) ABR formats HLS Any DRM FairPlay Any Captions CEA-608/708, WebVTT, IMSC1 Any HDR HDR10, DolbyVision ? http://bit.ly/hls_spec_2017 iOS Encoding Ladders H.264 HEVC http://bit.ly/hls_spec_2017 HEVC Hardware Support - iOS 3 % bit.ly/mobile_HEVC http://bit.ly/glob_med_2019 Android: Codec and ABR Format Support Codecs ABR VP8 (2.3+) • Multiple codecs and ABR H.264 (3+) HLS (3+) technologies • Serious cautions about HLS • DASH now close to 97% • HEVC VP9 (4.4+) DASH 4.4+ Via MSE • Main Profile Level 3 – mobile HEVC (5+) -
55PUS7906/12 Philips 4K UHD Android TV
Philips LED 4K UHD Android TV Vibrant picture. Smooth motion. Magical light 3-sided Ambilight TV Major HDR formats supported Dolby Vision and Dolby Atmos 4K UHD HDR Android TV 139 cm (55") Android TV The action leaps from the screen with this Philips 4K Android TV. HDR content looks great, and Ambilight makes movies, shows, and games feel bigger and more immersive. Dolby Atmos gives you premium sound to match the brilliant picture. Looks great off or on • Vibrant HDR picture. Philips 4K UHD TV. • The one with magical Ambilight. Only from Philips. • Slim, attractive design • Grey bezel. Slender feet. Smooth motion. Great color and depth. • Cinematic vision and sound. Dolby Vision and Dolby Atmos • Great for gaming. Low latency on any console. 55PUS7906 Content at your command. • Simply smart. Android TV. • Voice control. The Google Assistant. Works with Alexa. 4K UHD Android TV 55PUS7906/12 3-sided Ambilight TV Major HDR formats supported, Dolby Vision and Dolby Atmos, 139 cm (55") Android TV Highlights 3-sided Ambilight Simply smart. Android TV HDMI 2.1 VRR and low latency Your Philips TV boasts the latest HDMI 2.1 connectivity, and the TV automatically With Philips Ambilight every moment feels Your Philips Android TV gives you the content switches to a low latency setting when you closer. Intelligent LEDs around the edge of the you want-when you want it. You can start playing a game on your console. VRR is TV respond to the on-screen action and emit customize the home screen to display your supported for smooth fast-action gameplay. -
We Shape the Connected World Automotive Autonomy Generating Energy Effectively Wearable Technology ARM’S Technology Is Cars Are Becoming Mobile Computing Platforms
ARM Holdings plc Annual Report 2015: Strategic Report We shape the connected world Automotive autonomy Generating energy effectively Wearable technology ARM’s technology is Cars are becoming mobile computing platforms. Wind turbines and solar panels can be made Smart watches, biometric-monitors and More sensors and cameras are being included more effective by including technology that augmented reality headsets are intelligent, to assist the driver with lane detection, reading controls and monitors the wind turbine, and connected devices that can give us extra shaping the way we roadside signage and identifying potential hazards aggregates data across the entire wind farm. information to improve our health and or people crossing the road. In time, driver wellness, or just to help us have more fun. all live our lives; in the assistance may lead to a fully automated vehicle. home, as we travel, at school or work, and as we have fun with our friends Mobile computing Smart city streets Intelligent networks Smarter homes ARM-based mobile computers, including City infrastructure from street lights to car Broadband and mobile phone network speeds Cost-efficiency in the home can be improved smartphones, tablets and some laptops are, parking meters can be made more effective by are increasing, and latency decreasing, enabling through learning thermostats that understand for many people, the primary device for their embedding intelligent chips. Street lights that new services for operators to provide to your daily routine, domestic appliances that use work, whether in an office or on the road; can dim when no one is nearby will save energy consumers and enterprises, from delivering advanced algorithms for calculating water and for researching and writing school assignments; and reduce carbon emissions, and prognostics in more movie and TV options to collating and detergent requirements, and smart meters that and for engaging with friends. -
OLED C8 PTA (77", 65", 55") OLED TV LG OLED TV AI Thinqtm
OLED C8 PTA (77", 65", 55") OLED TV LG OLED TV AI ThinQTM DISPLAY & PICTURE QUALITY SMART SHARE Screen Type OLED Network File Browser ● Screen size 55" (139cm), 65" (164cm), 77" (195cm) Miracast 12 ● Resolution 3840 x 2160 Smartphone Remote App 13 LG TV Plus Field Refresh Rate (Hz) - AUDIO FEATURES Response Time Less than 1ms Audio Output 40W 2 way 4 speaker HDR10 - High Dynamic Range 1 ● Speaker System (2 x High-Mid-range, 2 x Woofers) EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X, ADPCM, Dolby Vision ™ ● Audio Decoder LPCM, MPEG-1, Dolby Digital, Dolby Digital Plus, Dolby AC-4 HLG (Hybrid Log Gamma) 2 ● Virtual Surround Dolby Atmos Wide Colour Gamut ● Bluetooth Headphone Compartible ● (BT V4.2 +) Nano Cell Technology - Clear Voice Clear Voice III 6 (Standard, Cinema, Clear Voice III, Cricket(Sports), Backlight Type None Sound Modes Music, Game) Perfect Black ● Adaptive Sound Control ● Local Dimming ● (Pixel) Bluetooth Audio Playback ● ULTRA Luminance ● (Pro) Sound Sync Wireless (LG TV) 14 ● Screen Design Flat Audio Return Channel (ARC) 15 ● (HDMI 2) 10 (Vivid, Standard, Technicolor, APS, Cinema, Cricket, Game, Picture Modes CONNECTIONS HDR Effect, ISF Bright Room, ISF Dark Room) HDR Picture Modes 6 (Vivid, Standard, Technicolor, Cinema Home, Cinema, Game) HDMI 16 ● (4) Dolby Vision ™ Picture Modes 5 (Vivid, Standard, Cinema Home, Cinema, Game) USB 2.0 ● (3) Colour Bit Depth 10-bit RF Antenna Input ● (1) HDR Effect ● Component/Composite Input ● (Phone Jack Type - Shared Audio) HDR Game Mode ● Headphone (3.5mm) -
Developed by the Consumer Technology Association Video Division
4K Ultra High-Definition TV A display system may be referred to as 4K Ultra High-Definition if it meets the following minimum performance attributes: Display Resolution – Has at least 8 million active pixels, with at least 3840 horizontally and at least 2160 vertically. Physical pixels shall be individually addressable such that the horizontal and vertical resolution above can be demonstrated over the full range of colors provided by the display. Aspect Ratio – The width to height ratio of the display’s native resolution is 16:9 or wider. Upconversion – The display is capable of upscaling HD video and displaying it at 4K Ultra High- Definition display resolution. Digital Input – Has one or more HDMI inputs supporting at least 3840x2160 native content resolution at 24p, 30p, & 60p frames per second. At least one of the 3840x2160 HDMI inputs shall support HDCP v2.2 or equivalent content protection. Colorimetry – Processes 2160p video inputs encoded according to ITU-R BT.709 color space, and may support wider colorimetry standards. Bit Depth – Has a minimum bit depth of 8 bits. Connected 4K Ultra High-Definition TV A display system may be referred to as Connected 4K Ultra High-Definition (or Connected 4K UHD) if it meets the following minimum performance attributes: 4K Ultra High-Definition Capability – Meets all of the requirements of CTA’s 4K Ultra High-Definition Display Characteristics V3. Video Codec – Decodes IP-delivered video of 3840x2160 resolution that has been compressed using HEVC* and may decode video from other standard encoders. Audio Codec – Receives and reproduces, and/or outputs multichannel audio. -
Mediatek Inc
01 May 2015 Asia Pacific/Taiwan Equity Research Semiconductor Devices MediaTek Inc. (2454.TW / 2454 TT) Rating NEUTRAL* Price (30 Apr 15, NT$) 395.00 RESULTS Target price (NT$) 405.00¹ Upside/downside (%) 2.5 Mkt cap (NT$ mn) 708,117 (US$ 23,121) 2Q lacks growth, but a high bar is set for 2H Enterprise value (NT$ mn) 544,619 ■ 1Q15 results in line with CS, but below street. 1Q15 sales were already Number of shares (mn) 1,792.70 Free float (%) 89.1 reported at NT$47.5 bn, -14.3% QoQ. Smartphone shipments were 85 mn 52-week price range 535.0 - 390.0 (30mn LTE), down from 95-100mn in 4Q14 due to seasonality and emerging ADTO - 6M (US$ mn) 101.0 market weakness. GMs met our 47.3% vs 46-48% guidance and OpM was also *Stock ratings are relative to the coverage universe in each analyst's or each team's respective sector. in line at 16.1% on cost controls. Lower non-op income kept EPS only in line ¹Target price is for 12 months. with our NT$4.62 and below street's NT$4.97. Research Analysts ■ 2Q15 guidance below, inventory elevated. Sales were guided -5% to +3% Randy Abrams, CFA QoQ, below CS/street's +9%/+18% QoQ on 3G price pressure and 4G mix 886 2 2715 6366 [email protected] skewed to the entry level. Margins are in line, with GMs at 45.5-47.5% and Nickie Yue OpM at 12.5-16.5%. Inventory is elevated, at 102 days and guided to stay 886 2 2715 6364 98-110 days in 2Q15, requiring 2H15 acceleration. -
IN the UNITED STATES DISTRICT COURT for the WESTERN DISTRICT of TEXAS WACO DIVISION AMERICAN PATENTS LLC, Plaintiff, V. ANALOG D
Case 6:18-cv-00356 Document 1 Filed 12/06/18 Page 1 of 64 IN THE UNITED STATES DISTRICT COURT FOR THE WESTERN DISTRICT OF TEXAS WACO DIVISION AMERICAN PATENTS LLC, CIVIL ACTION NO. 6:18-CV-356 Plaintiff, ORIGINAL COMPLAINT FOR v. PATENT INFRINGEMENT ANALOG DEVICES, INC., CYPRESS JURY TRIAL DEMANDED SEMICONDUCTOR CORPORATION, MARVELL INTERNATIONAL, LTD., MEDIATEK INC., and MEDIATEK USA INC., Defendants. ORIGINAL COMPLAINT FOR PATENT INFRINGEMENT Plaintiff American Patents LLC (“American Patents” or “Plaintiff”) files this original complaint against Defendants Analog Devices, Inc., Cypress Semiconductor Corporation, Marvell International, Ltd., MediaTek Inc., and MediaTek USA Inc. (collectively “Defendants”), alleging, based on its own knowledge as to itself and its own actions and based on information and belief as to all other matters, as follows: PARTIES 1. American Patents is a limited liability company formed under the laws of the State of Texas, with its principal place of business at 2325 Oak Alley, Tyler, Texas, 75703. 2. Analog Devices, Inc. (“Analog”) is a corporation organized and existing under the laws of the state of Massachusetts. It can be served via its registered agent: CT Corp System, 1999 Bryan Street, Suite 900, Dallas, TX 75201. 3. Analog is one of the world’s largest manufacturers of integrated circuits. Case 6:18-cv-00356 Document 1 Filed 12/06/18 Page 2 of 64 4. Cypress Semiconductor Corporation (“Cypress”) is a corporation organized under the laws of the state of Delaware. Cypress can be served with process by serving its registered agent: Corporation Service Company d/b/a CSC-Lawyers Incorporating Service Company, 211 E.