Efficient Implementation of NIST LWC ESTATE Algorithm Using Opencl
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Node.Js As a Networking Tool
Node.js As a networking tool 28.12.2010 About Contributor Co-founder Felix Geisendörfer node.js driver node-formidable Who are you? Node.js? JavaScript? Port = 80 ? Port != 80 ? Node's goal is to provide an easy way to build scalable network programs. Node.js • Created by Ryan Dahl • Google’s V8 JavaScript engine (no DOM) • Module system, I/O bindings, Common Protocols Network Edition Hello World $ cat hello.js var net = require('net'); net.createServer(function(socket) { socket.write('hello world\n'); socket.end(); }).listen(0x27C3); $ node hello.js & [1] 3591 $ nc localhost 10179 hello world Why JavaScript? 3 Reasons #1 - The good parts V8 (Chrome) SpiderMonkey (Firefox) JavaScriptCore (Safari) #2 - JS Engine Wars Chakra (IE9) Carakan (Opera) #3 - No I/O or Threads Non-blocking I/O Blocking I/O db.query('SELECT A'); console.log('query A done'); db.query('SELECT B'); console.log('query B done'); Time = SUM(A, B) Non-Blocking I/O db.query('SELECT A', function(result) { console.log('query A done'); }); db.query('SELECT B', function(result) { console.log('query B done'); }); Time = MAX(A, B) libev by Marc Lehmann libev • An infinite loop (event loop) • Polls the OS for events (select, epoll, kqueue, ...) • Allows you to register watchers / callbacks for the events you care about Buffers Buffers • Raw C memory allocation • Similar to an array of integers • Can be converted to and from JS strings Buffers buffer.write('Hello Buffer'); buffer.toString('utf-8'); buffer[0] = 23; buffer.slice(10, 20); Reverse Hello World $ cat reverse_hello.js -
Emscripten: an LLVM to Javascript Compiler
Emscripten: An LLVM to JavaScript Compiler Alon Zakai Mozilla What? Why? Compiling to JavaScript ● The web is everywhere – PCs to iPads – No plugins, no installation required – Built on standards ● The web runs JavaScript Existing Compilers to JavaScript ● Google Web Toolkit: Java (Gmail, etc.) ● CoffeeScript ● Pyjamas: Python ● SCM2JS: Scheme ● JSIL: .NET bytecode ● (and many more) ● But C and C++ are missing! Emscripten ● Enables compiling C and C++ into JavaScript ● Written in JavaScript ● Open source http://emscripten.org https://github.com/kripken/emscripten Demos! ● Bullet ● SQLite ● Python, Ruby, Lua ● Real-world code – Large, complex codebases ● Manual ports exist – Typically partial and not up to date The Big Picture C or C++ LLVM Bitcode JavaScript Low Level Virtual Machine (LLVM) ● A compiler project (cf. GCC) ● Intermediate Representation: LLVM bitcode – Very well documented – Great tools ● Much easier to compile LLVM bitcode than compile C or C++ directly! How? Code Comparison #include <stdio.h> int main() { printf(“hello, world!\n”); return 0; } Code Comparison @.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1 define i32 @main() { entry: %retval = alloca i32, align 4 call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) store i32 0, i32* %retval ret i32 %retval } Code Comparison define i32 @main() { function _main() { entry: %retval = alloca i32, var _retval; align 4 call i32 (i8*, ...)* _printf (..); @printf (..) store i32 0, i32* _retval = 0; %retval ret -
General Report on the Activities of the European Union Gnrl Report General 2010 Nteatvte Fteerpa No — on the Activities of the European Union 2010
NA-AD-11-001-EN-C ISSN ISSN 1608-7321 GENERAL REPORT ON THE ACTIVITIES OF THE EUROPEAN UNION GENERAL GENERAL REPORT 2010 ON THE ACTIVITIES OF THE EUROPEAN UNION UNION EUROPEAN THE OF ACTIVITIES THE ON — 2010 doi:10.2775/59174 EN EUROPEAN COMMISSION Price (excluding VAT) in Luxembourg: EUR 7 The European Union 0500 km Açores (PT) Reykjavík Ísland Madeira (PT) Canarias (ES) Guadeloupe (FR) Martinique (FR) Suomi Paramaribo Finland Guyane Norge Suriname Réunion (FR) (FR) Helsinki Brasil Helsingfors Oslo Sverige Stockholm Tallinn Rossija Eesti Moskva United Kingdom RƯga Latvija Danmark Baile Átha Cliath Éire København Dublin Lietuva Ireland Vilnius R. Minsk Nederland Belarus' London Qazaqstan Amsterdam Berlin Warszawa België Brussel Polska Bruxelles Deutschland Belgique Kyïv Luxembourg Praha Paris Ukraʀna Luxembourg ýeská republika Slovensko Bratislava Wien Moldova France Schweiz Liechtenstein Budapest Bern Suisse Österreich Chiúinău Svizzera Magyarország Slovenija Ljubljana Zagreb România Hrvatska Sakartvelo Tbilisi Bucureúti Bosna i Beograd Azԥrbaycan San Marino Hercegovina Portugal Monaco Srbija Haʀastan General Report on the Activities of the European Union — 2010 Andorra Sarajevo Ȼɴɥɝɚɪɢɹ Yerevan Crna Priština Bulgaria (Azԥr.) Madrid Gora Lisboa Italia Kosovo ɋɨɮɢɹ Roma Podgorica * UNSCR 1244 Sofia Iran Skopje European Commission España Città del Vaticano Tiranë P.J.R.M. Shqipëria Ankara Directorate-General for Communication Türkiye ǼȜȜȐįĮ Publications Ellada ǹșȒȞĮȚ Athinai Alger 1049 Brussels Souriya Rabat Tunis ȁİȣțȦıȓĮ ȀȪʌȡȠȢ Lefkosia Iraq Lefkosa El Maghreb El Djazâir Valletta Kypros BELGIUM Tounis Malta Kibris Libnan Beyrouth Dimashq Member States of the European Union (2011) The General Report on the Activities of the European Union — 2010 Candidate countries was adopted by the European Commission on 16 February 2011 under reference number SEC(2011) 189. -
Towards a Verified Range Analysis for Javascript Jits
Towards a Verified Range Analysis for JavaScript JITs Fraser Brown John Renner Andres Nötzli Stanford, USA UC San Diego, USA Stanford, USA Sorin Lerner Hovav Shacham Deian Stefan UC San Diego, USA UT Austin, USA UC San Diego, USA Abstract Earlier this year, Google’s Threat Analysis Group identi- We present VeRA, a system for verifying the range analysis fied websites, apparently aimed at people “born in a certain pass in browser just-in-time (JIT) compilers. Browser devel- geographic region” and “part of a certain ethnic group,” that opers write range analysis routines in a subset of C++, and would install a malicious spyware implant on any iPhone verification developers write infrastructure to verify custom used to visit them. Two bugs exploited in this campaign, analysis properties. Then, VeRA automatically verifies the according to analysis by Google’s Project Zero [41, 68], were range analysis routines, which browser developers can in- in the JIT component of Safari’s JavaScript engine [5, 34]. tegrate directly into the JIT. We use VeRA to translate and The JavaScript JITs shipped in modern browsers are ma- verify Firefox range analysis routines, and it detects a new, ture, sophisticated systems developed by compilers experts. confirmed bug that has existed in the browser for six years. Yet bugs in JIT compilers have emerged in recent months as the single largest threat to Web platform security, and the CCS Concepts: • Security and privacy ! Browser se- most dangerous attack surface of Web-connected devices. curity; • Software and its engineering ! Just-in-time Unlike other compilers, browser JITs are exposed to adver- compilers; Software verification and validation; Domain sarial program input. -
Understanding the Attack Surface and Attack Resilience of Project Spartan’S (Edge) New Edgehtml Rendering Engine
Understanding the Attack Surface and Attack Resilience of Project Spartan’s (Edge) New EdgeHTML Rendering Engine Mark Vincent Yason IBM X-Force Advanced Research yasonm[at]ph[dot]ibm[dot]com @MarkYason [v2] © 2015 IBM Corporation Agenda . Overview . Attack Surface . Exploit Mitigations . Conclusion © 2015 IBM Corporation 2 Notes . Detailed whitepaper is available . All information is based on Microsoft Edge running on 64-bit Windows 10 build 10240 (edgehtml.dll version 11.0.10240.16384) © 2015 IBM Corporation 3 Overview © 2015 IBM Corporation Overview > EdgeHTML Rendering Engine © 2015 IBM Corporation 5 Overview > EdgeHTML Attack Surface Map & Exploit Mitigations © 2015 IBM Corporation 6 Overview > Initial Recon: MSHTML and EdgeHTML . EdgeHTML is forked from Trident (MSHTML) . Problem: Quickly identify major code changes (features/functionalities) from MSHTML to EdgeHTML . One option: Diff class names and namespaces © 2015 IBM Corporation 7 Overview > Initial Recon: Diffing MSHTML and EdgeHTML (Method) © 2015 IBM Corporation 8 Overview > Initial Recon: Diffing MSHTML and EdgeHTML (Examples) . Suggests change in image support: . Suggests new DOM object types: © 2015 IBM Corporation 9 Overview > Initial Recon: Diffing MSHTML and EdgeHTML (Examples) . Suggests ported code from another rendering engine (Blink) for Web Audio support: © 2015 IBM Corporation 10 Overview > Initial Recon: Diffing MSHTML and EdgeHTML (Notes) . Further analysis needed –Renamed class/namespace results into a new namespace plus a deleted namespace . Requires availability -
Cloud Computing and Internet of Things: Issues and Developments
Proceedings of the World Congress on Engineering 2018 Vol I WCE 2018, July 4-6, 2018, London, U.K. Cloud Computing and Internet of Things: Issues and Developments Isaac Odun-Ayo, Member, IAENG, Chinonso Okereke, and Hope Orovwode Abstract—Cloud computing is a pervasive paradigm that is allows access to recent technologies and it enables growing by the day. Various service types are gaining increased enterprises to focus on core activities, instead programming importance. Internet of things is a technology that is and infrastructure. The services provided include Software- developing. It allows connectivity of both smart and dumb as-a-Service (SaaS), Platform-as–a–Service (PaaS) and systems over the internet. Cloud computing will continue to be Infrastructure–as–a–Services (IaaS). SaaS provides software relevant to IoT because of scalable services available on the cloud. Cloud computing is the need for users to procure servers, applications over the Internet and it is also known as web storage, and applications. These services can be paid for and service [2]. utilized using the various cloud service providers. Clearly, IoT Cloud users can access such applications anytime, which is expected to connect everything to everyone, requires anywhere either on their personal computers or on mobile not only connectivity but large storage that can be made systems. In PaaS, the cloud service provider makes it available either through on-premise or off-premise cloud possible for users to deploy applications using application facility. On the other hand, events in the cloud and IoT are programming interfaces (APIs), web portals or gateways dynamic. -
Microsoft in Education Professional Development Suite UNLOCK the POTENTIAL of YOUR DISTRICT
SERVICES FLYER Microsoft in Education Professional Development Suite UNLOCK THE POTENTIAL OF YOUR DISTRICT As the world’s leading provider of education IT, Lenovo understands that Why Lenovo and Education Collaborators? making technology matter to learning Real World – Real Results The unique demands of your school and students isn’t just about hardware and software. require a diverse set of learning strategies. We will work Teachers must be empowered with with your team to design a plan that leverages your existing resources and addresses both your needs and tools that build on their dedication your budget requirements. and expertise. Research shows that professional development drives stronger outcomes. Educators, and ultimately students, Through a partnership with Educational will benefit from the collaboration and differentiated Collaborators, a nationally recognized learning techniques, delivered in ways that matter to them. leader in educational training, Lenovo Multiple Learning Platforms offers a customizable combination Support your teachers’ own unique learning styles through face-to-face, train-the-trainer, or web-based of training programs that enable training, all conducted by experts skilled in their your school or district to support the specific area of interest. professional development that’s been • On-Site, hands-on, interactive workshops at proven fundamental to stronger student your location. outcomes — all delivered in a method that • Webinars, small group teaching and learning, best suits your budget and needs. capitalizing on the personal face-to-face collaboration of video conferencing and features such as screen sharing, Q&A app, and more. Facilitated by Educational Collaborators, the classes focus on the Microsoft • Mentoring, personalized one-on-one professional development via scheduled, remote mentoring that Professional Development Suite for facilitates continued personal learning and exposure Education, guiding participants through to tools they can learn today and use tomorrow. -
Overview of Cloud Storage Allan Liu, Ting Yu
Overview of Cloud Storage Allan Liu, Ting Yu To cite this version: Allan Liu, Ting Yu. Overview of Cloud Storage. International Journal of Scientific & Technology Research, 2018. hal-02889947 HAL Id: hal-02889947 https://hal.archives-ouvertes.fr/hal-02889947 Submitted on 6 Jul 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Overview of Cloud Storage Allan Liu, Ting Yu Department of Computer Science and Engineering Shanghai Jiao Tong University, Shanghai Abstract— Cloud computing is an emerging service and computing platform and it has taken commercial computing by storm. Through web services, the cloud computing platform provides easy access to the organization’s storage infrastructure and high-performance computing. Cloud computing is also an emerging business paradigm. Cloud computing provides the facility of huge scalability, high performance, reliability at very low cost compared to the dedicated storage systems. This article provides an introduction to cloud computing and cloud storage and different deployment modules. The general architecture of the cloud storage is also discussed along with its advantages and disadvantages for the organizations. Index Terms— Cloud Storage, Emerging Technology, Cloud Computing, Secure Storage, Cloud Storage Models —————————— u —————————— 1 INTRODUCTION n this era of technological advancements, Cloud computing Ihas played a very vital role in changing the way of storing 2 CLOUD STORAGE information and run applications. -
CHOICE – a NEW STANDARD for COMPETITION LAW ANALYSIS? a Choice — a New Standard for Competition Law Analysis?
GO TO TABLE OF CONTENTS GO TO TABLE OF CONTENTS CHOICE – A NEW STANDARD FOR COMPETITION LAW ANALYSIS? a Choice — A New Standard for Competition Law Analysis? Editors Paul Nihoul Nicolas Charbit Elisa Ramundo Associate Editor Duy D. Pham © Concurrences Review, 2016 GO TO TABLE OF CONTENTS All rights reserved. No photocopying: copyright licenses do not apply. The information provided in this publication is general and may not apply in a specifc situation. Legal advice should always be sought before taking any legal action based on the information provided. The publisher accepts no responsibility for any acts or omissions contained herein. Enquiries concerning reproduction should be sent to the Institute of Competition Law, at the address below. Copyright © 2016 by Institute of Competition Law 60 Broad Street, Suite 3502, NY 10004 www.concurrences.com [email protected] Printed in the United States of America First Printing, 2016 Publisher’s Cataloging-in-Publication (Provided by Quality Books, Inc.) Choice—a new standard for competition law analysis? Editors, Paul Nihoul, Nicolas Charbit, Elisa Ramundo. pages cm LCCN 2016939447 ISBN 978-1-939007-51-3 ISBN 978-1-939007-54-4 ISBN 978-1-939007-55-1 1. Antitrust law. 2. Antitrust law—Europe. 3. Antitrust law—United States. 4. European Union. 5. Consumer behavior. 6. Consumers—Attitudes. 7. Consumption (Economics) I. Nihoul, Paul, editor. II. Charbit, Nicolas, editor. III. Ramundo, Elisa, editor. K3850.C485 2016 343.07’21 QBI16-600070 Cover and book design: Yves Buliard, www.yvesbuliard.fr Layout implementation: Darlene Swanson, www.van-garde.com GO TO TABLE OF CONTENTS ii CHOICE – A NEW STANDARD FOR COMPETITION LAW ANALYSIS? Editors’ Note PAUL NIHOUL NICOLAS CHARBIT ELISA RAMUNDO In this book, ten prominent authors offer eleven contributions that provide their varying perspectives on the subject of consumer choice: Paul Nihoul discusses how freedom of choice has emerged as a crucial concept in the application of EU competition law; Neil W. -
Platform Support Matrix for SAP Business
Platform Support Matrix PUBLIC SAP Business One Document Version: 1.28 – 2021-05-07 SAP Business One Platform Support Matrix Release 9.0 and higher Typographic Conventions Type Style Description Example Words or characters quoted from the screen. These include field names, screen titles, pushbuttons labels, menu names, menu paths, and menu options. Textual cross-references to other documents. Example Emphasized words or expressions. EXAMPLE Technical names of system objects. These include report names, program names, transaction codes, table names, and key concepts of a programming language when they are surrounded by body text, for example, SELECT and INCLUDE. Example Output on the screen. This includes file and directory names and their paths, messages, names of variables and parameters, source text, and names of installation, upgrade and database tools. Example Exact user entry. These are words or characters that you enter in the system exactly as they appear in the documentation. <Example> Variable user entry. Angle brackets indicate that you replace these words and characters with appropriate entries to make entries in the system. EXAMPLE Keys on the keyboard, for example, F2 or ENTER. PUBLIC © 2021 SAP SE or an SAP affiliate company. All SAP Business One Platform Support Matrix 2 rights reserved. Typographic Conventions Document History Version Date Change 1.0 2014-02-12 Release Version 1.01 2014-05-08 SAP Note 1787431 link added on XL Reporter platform support restrictions 1.02 2014-07-08 SAP Business One 9.1 added to the overview -
Webassembly a New World of Native Exploits on the Web Agenda
WebAssembly A New World Of Native Exploits On The Web Agenda • Introduction • The WebAssembly Platform • Emscripten • Possible Exploit Scenarios • Conclusion Wasm: What is it good for? ● Archive.org web emulators ● Image/processing ● Video Games ● 3D Modeling ● Cryptography Libraries ● Desktop Application Ports Wasm: Crazy Incoming ● Browsix, jslinux ● Runtime.js (Node), Nebulet ● Cervus ● eWASM Java Applet Joke Slide ● Sandboxed ● Virtual Machine, runs its own instruction set ● Runs in your browser ● Write once, run anywhere ● In the future, will be embedded in other targets What Is WebAssembly? ● A relatively small set of low-level instructions ○ Instructions are executed by browsers ● Native code can be compiled into WebAssembly ○ Allows web developers to take their native C/C++ code to the browser ■ Or Rust, or Go, or anything else that can compile to Wasm ○ Improved Performance Over JavaScript ● Already widely supported in the latest versions of all major browsers ○ Not limited to running in browsers, Wasm could be anywhere Wasm: A Stack Machine Text Format Example Linear Memory Model Subtitle Function Pointers Wasm in the Browser ● Wasm doesn’t have access to memory, DOM, etc. ● Wasm functions can be exported to be callable from JS ● JS functions can be imported into Wasm ● Wasm’s linear memory is a JS resizable ArrayBuffer ● Memory can be shared across instances of Wasm ● Tables are accessible via JS, or can be shared to other instances of Wasm Demo: Wasm in a nutshell Emscripten ● Emscripten is an SDK that compiles C/C++ into .wasm binaries ● LLVM/Clang derivative ● Includes built-in C libraries, etc. ● Also produces JS and HTML code to allow easy integration into a site. -
Enhancing Bittorrent-Like Peer-To-Peer Content Distribution with Cloud Computing
ENHANCING BITTORRENT-LIKE PEER-TO-PEER CONTENT DISTRIBUTION WITH CLOUD COMPUTING A THESIS SUBMITTED TO THE FACULTY OF THE GRADUATE SCHOOL OF THE UNIVERSITY OF MINNESOTA BY Zhiyuan Peng IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE Haiyang Wang November 2018 © Zhiyuan Peng 2018 Abstract BitTorrent is the most popular P2P file sharing and distribution application. However, the classic BitTorrent protocol favors peers with large upload bandwidth. Certain peers may experience poor download performance due to the disparity between users’ upload/download bandwidth. The major objective of this study is to improve the download performance of BitTorrent users who have limited upload bandwidth. To achieve this goal, a modified peer selection algorithm and a cloud assisted P2P network system is proposed in this study. In this system, we dynamically create additional peers on cloud that are dedicated to boost the download speed of the requested user. i Contents Abstract ............................................................................................................................................. i List of Figures ................................................................................................................................ iv 1 Introduction .............................................................................................................................. 1 2 Background .............................................................................................................................