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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. -
Apple, Inc. Collegiate Purchase Program Premier Price List January 11, 2011
Apple, Inc. Collegiate Purchase Program Premier Price List January 11, 2011 Revisions to the December 7, 2010 Collegiate Purchase Program Premier Price List Effective January 11, 2011 PRODUCTS ADDED TO THE PRICE LIST PRODUCTS REPRICED ON THE PRICE LIST PRODUCTS REMOVED FROM THE PRICE LIST This Price List supersedes all previous Price Lists. Products subject to discontinuation without notice. Prices subject to change without notice. Education Solutions Apple iPod Learning Lab The Apple iPod Learning Lab provides schools with the ideal solution for managing multiple iPod devices in the classroom. The solution includes (20) iPod touch 8GB devices housed in a durable and easy-to-use Apple-exclusive mobile cart capable of storing and charging up to 40 iPod devices. The cart's ability to sync up to 20 iPod devices at a time from one computer makes it quick and easy to set up the devices for student use. The mobile cart's secure, roll-top door can be locked for safe iPod storage. The cart also includes room for storage of up to four notebook computers and a variety of iPod accessories. And, because the cart is mobile, it can be easily shared among multiple classrooms. Choose one of the pre-configured solutions below, or build your own custom iPod lab by visiting http://edu1.apple.com/custom_ipod_lab/. Recommended add-ons: The MacBook is an ideal companion for the Apple iPod Learning Lab. Create compelling education content with iLife and organize and share that content via iTunes. Apple Professional Development prepares teachers to effectively integrate iPod devices and podcasting into their curriculum. -
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 . -
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. -
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 ............................................................................ -
The Ipad Comparison Chart Compare All Models of the Ipad
ABOUT.COM FOOD HEALTH HOME MONEY STYLE TECH TRAVEL MORE Search... About.com About Tech iPad iPad Hardware and Competition The iPad Comparison Chart Compare All Models of the iPad By Daniel Nations SHARE iPad Expert Ads iPAD Pro New Apple iPAD iPAD 2 iPAD Air iPAD Cases iPAD MINI2 Cheap Tablet PC Air 2 Case Used Computers iPAD Display The iPad has evolved since it was originally announced in January 2010. Sign Up for our The iPad 2 added dual-facing cameras Free Newsletters along with a faster processor and improved graphics, but the biggest jump About Apple was with the iPad 3, which increased the Tech Today resolution of the display to 2,048 x 1,536 iPad and added Siri for voice recognition. The iPad 4 was a super-charged iPad 3, with Enter your email around twice the processing power, and the iPad Mini, released alongside the iPad SIGN UP 4, was Apple's first 7.9-inch iPad. Two years ago, the iPad Air became the TODAY'S TOP 5 PICKS IN TECH first iPad to use a 64-bit chip, ushering IPAD CATEGORIES the iPad into a new era. We Go Hands-On 5 With the OnePlus X New to iPad: How to Get The latest in Apple's lineup include the By Faryaab Sheikh Started With Your iPad iPad Pro, which super-sizes the screen to Smartphones Expert The entire iPad family: Pro, Air and Mini. Image © 12.9 inches and is compatible with a new The Best of the iPad: Apps, Apple, Inc. -
NVIDIA Tegra 4 Family CPU Architecture 4-PLUS-1 Quad Core
Whitepaper NVIDIA Tegra 4 Family CPU Architecture 4-PLUS-1 Quad core 1 Table of Contents ...................................................................................................................................................................... 1 Introduction .............................................................................................................................................. 3 NVIDIA Tegra 4 Family of Mobile Processors ............................................................................................ 3 Benchmarking CPU Performance .............................................................................................................. 4 Tegra 4 Family CPUs Architected for High Performance and Power Efficiency ......................................... 6 Wider Issue Execution Units for Higher Throughput ............................................................................ 6 Better Memory Level Parallelism from a Larger Instruction Window for Out-of-Order Execution ...... 7 Fast Load-To-Use Logic allows larger L1 Data Cache ............................................................................. 8 Enhanced branch prediction for higher efficiency .............................................................................. 10 Advanced Prefetcher for higher MLP and lower latency .................................................................... 10 Large Unified L2 Cache ....................................................................................................................... -
Investigation Numérique & Terminaux Apple
Investigation numérique & terminaux Apple iOS Acquisition de données Mathieu RENARD ANSSI/LAM mathieu.renard[à]ssi.gouv.fr 1 Constat # Démocratisation de l’usage terminaux mobile en entreprise – Stockage d’informations professionnelles – Sécurité, management des terminaux mal ou non maitrisé # Men aces – Accès illégitimes au données professionnelles / réseau de l’entité – Usurpation d’identité – Atteinte à la disponibilité du terminal # Risques accentués par le caractère mobile des terminaux (perte, vol) # Les terminaux mobiles sont des cibles de choix pour les attaquants 2 Investigation numérique iOS Outils # Framework iPhoneDataProtection – Acquisition physique (iPhone 4 et inférieur) # iPhone Backup analyzer2 – Analyse des sauvegardes iOS # Celebrite UFED – Solution commerciale – Acquisition physique (iPhone 4 et inférieur) – Acquisition Logique (backup & AFC) 3 Investigation numérique & terminaux Apple iOS # La liste d’outils d’investigation numérique pour iOS est limitée # Aucun outil ne permet d’infirmer ou confirmer une compromission # Nécessité de développer des méthodes et outils 4 iPhone Architecture et sécurité http://iphoneroot.com/ipad-mini-gets-x-rayed-photo/#more-18711 5 Architecture matérielle Let’s open the box BCM43342 Wi-Fi SoC SK Hynix H2JTDG8UD3MBR 16 GB NAND Apple A7 APL0698 SoC Qualcomm MDM9615M LTE Modem (BaseBand) NXP LPC1800 Qualcomm WTR1605L M7 Motion coprocessor LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/GPS (Cortex M3) (Tranceiver) http://www.chipworks.com/en/technical-competitive-analysis/resources/blog/inside-the-iphone-5s/ -
Apple, Inc. Collegiate Purchase Program Premier Price List March 11, 2011
Apple, Inc. Collegiate Purchase Program Premier Price List March 11, 2011 Revisions to the February 15, 2011 Collegiate Purchase Program Premier Price List Effective March 11, 2011 PRODUCTS ADDED TO THE PRICE LIST D5889LL/A APS APD Expert On Call (up to 4 hours) 680.00 MC939LL/A iPad Smart Cover - Polyurethane - Gray 39.00 MC940ZM/A iPad 2 Dock 29.00 MC941LL/A iPad Smart Cover - Polyurethane - Pink 39.00 MC942LL/A iPad Smart Cover - Polyurethane - Blue 39.00 MC944LL/A iPad Smart Cover - Polyurethane - Green 39.00 MC945LL/A iPad Smart Cover - Polyurethane - Orange 39.00 MC947LL/A iPad Smart Cover - Leather - Black 69.00 MC948LL/A iPad Smart Cover Leather - Tan 69.00 MC949LL/A iPad Smart Cover Leather - Navy 69.00 MC952LL/A iPad Smart Cover Leather - Cream 69.00 MC953ZM/A Digital AV Adapter (HDMI) 39.00 MC769LL/A iPad Wi-Fi 16GB Black 499.00 MC770LL/A iPad Wi-Fi 32GB Black 599.00 MC916LL/A iPad Wi-Fi 64GB Black 699.00 MC979LL/A iPad Wi-Fi 16GB White 499.00 MC980LL/A iPad Wi-Fi 32GB White 599.00 MC981LL/A iPad Wi-Fi 64GB White 699.00 MC773LL/A iPad Wi-Fi + 3G 16GB Black 629.00 MC774LL/A iPad Wi-Fi + 3G 32GB Black 729.00 MC775LL/A iPad Wi-Fi + 3G 64GB Black 829.00 MC982LL/A iPad Wi-Fi + 3G 16GB White 629.00 MC983LL/A iPad Wi-Fi + 3G 32GB White 729.00 MC984LL/A iPad Wi-Fi + 3G 64GB White 829.00 PRODUCTS REPRICED ON THE PRICE LIST PRODUCTS REMOVED FROM THE PRICE LIST MA407LL/A Mac mini 110W power adapter MB595LL/A AppleCare Premium Service and Support Plan - Enrollment Kit for Xserve This Price List supersedes all previous Price Lists. -
130 Demystifying Arm Trustzone: a Comprehensive Survey
Demystifying Arm TrustZone: A Comprehensive Survey SANDRO PINTO, Centro Algoritmi, Universidade do Minho NUNO SANTOS, INESC-ID, Instituto Superior Técnico, Universidade de Lisboa The world is undergoing an unprecedented technological transformation, evolving into a state where ubiq- uitous Internet-enabled “things” will be able to generate and share large amounts of security- and privacy- sensitive data. To cope with the security threats that are thus foreseeable, system designers can find in Arm TrustZone hardware technology a most valuable resource. TrustZone is a System-on-Chip and CPU system- wide security solution, available on today’s Arm application processors and present in the new generation Arm microcontrollers, which are expected to dominate the market of smart “things.” Although this technol- ogy has remained relatively underground since its inception in 2004, over the past years, numerous initiatives have significantly advanced the state of the art involving Arm TrustZone. Motivated by this revival ofinter- est, this paper presents an in-depth study of TrustZone technology. We provide a comprehensive survey of relevant work from academia and industry, presenting existing systems into two main areas, namely, Trusted Execution Environments and hardware-assisted virtualization. Furthermore, we analyze the most relevant weaknesses of existing systems and propose new research directions within the realm of tiniest devices and the Internet of Things, which we believe to have potential to yield high-impact contributions in the future. CCS Concepts: • Computer systems organization → Embedded and cyber-physical systems;•Secu- rity and privacy → Systems security; Security in hardware; Software and application security; Additional Key Words and Phrases: TrustZone, security, virtualization, TEE, survey, Arm ACM Reference format: Sandro Pinto and Nuno Santos. -
Ipad for Igen
iPad for iGen By [email protected] Intro: Each day we seem to awaken to a world of new technology. We live in such an amazing electronic age - as this column has documented often, we can do more genealogy research in a week at the computer than our ancestors of only a few decades ago could do in years. Now, is the iPad one of these electronic devices that can serve you well in your genealogical research? This column has previously explored new innovations, and this issue looks at the Apple iPad. When I went to Colorado last October and visited a friend who is a former Marine, he had an Apple iPad that he allowed me to play with - and I was hooked! I had to get my own! I know, I know, this column is usually for PCs, however - this Apple iPad is really fun! I think almost anyone would derive considerable enjoyment from it, as it provides another type of interface to the Internet, plus a platform for reading, playing games, doing research. What practical applications are there for the genealogist? We explore the question, and provide an overview of what an iPad is and what one can expect from it or similar devices. Each day we seem to awaken to a world of new technology. We live in such an amazing electronic age - as this column has documented often, we can do more genealogy research in a week at the computer than our ancestors of only a few decades ago could do in years. Now, is the iPad one of these electronic devices that can serve you well in your genealogical research? This column has previously explored new innovations, and this issue looks at the Apple iPad.