'Trusted third party' diaporamas de présentation

Wireless Security Potpourri

Wireless Security Potpourri. William A. Arbaugh Department of Computer Science University of Maryland waa @ cs.umd.edu http://www.cs.umd.edu/~waa. Students. Aram Khalili (LTS Funded) Nick Petroni (LTS Funded) Chuk Seng (LTS Funded) Arunesh Mishra Min-ho Shin (LTS Funded) Zhongchao Yu

769 views • 63 slides

Contract-Signing Protocols

CS 259. Contract-Signing Protocols. J. Mitchell. Revised schedule. Tuesday 1/24 Contract-signing protocols Thursday 1/26 Secure hardware architecture (XOM)

530 views • 52 slides

Key Management and Identity

Key Management and Identity. CS461/ECE422 Spring 2012. Reading Material. Chapters 2 and 23 from text Handbook of Applied Cryptography http://www.cacr.math.uwaterloo.ca/hac/ Chapter 5 for information on Pseudorandom sequences Chapter 12 for Needham-Schroeder protocol

530 views • 43 slides

esMD AoR

esMD AoR. Functions of an X.509 Certification Authority (CA). CAs and t rusted online transactions. Table of Contents. Slide Title 3 Trust and PKI 8 Certification Authorities 14 Certificates 19 Identity Proofing 24 PKI Services 28 Direct Transaction Process

476 views • 39 slides

Game-Based Verification of Fair Exchange Protocols

CS 259. Game-Based Verification of Fair Exchange Protocols. Vitaly Shmatikov. Overview. Fair exchange protocols Protocols as games Security as presence or absence of certain strategies Alternating transition systems Formal model for adversarial protocols Alternating-time temporal logic

377 views • 25 slides

FILS Handling of Large Objects, FILS Piggy-Backing

FILS Handling of Large Objects, FILS Piggy-Backing. Date: 2013-05-13 (WORKING DRAFT ONLY!!!). Authors:. FILS Key Establishment. online/offline assistance with authentication. STA. AP. TTP. Beacon/Probe Resp. Authentication Request. Key Establishment. Authentication Response.

374 views • 23 slides

CALEA Filings and Procedural Steps

396 views • 18 slides

Mining Multiple Private Databases

Top k Queries Across Multiple Private Databases (2005) Li Xiong (Emory University) Subramanyam Chitti (GA Tech) Ling Liu (GA Tech) Presented by: Cesar Gutierrez. Mining Multiple Private Databases. About Me. ISYE Senior and CS minor Graduating December, 2008

365 views • 17 slides

CALEA Market Overview

CALEA Market Overview. Robert Golden Chief Research Officer Merit Network CALEA and Beyond January 31, 2007. Lawful Interception of Digital Communications of All Types Capture of Identifying Information Origin Direction Destination Termination Date/Time.

296 views • 16 slides

APEC e-Commerce Business Alliance Forum

APEC e-Commerce Business Alliance Forum. The e-Commerce Journey to Paperless Trade. Arthur Vonchek Chief Executive Officer. Yantai, China 16 th June 2004. The Vision.

455 views • 14 slides

NCSA Two Factor CA

NCSA Two Factor CA. Jim Basney ( jbasney@illinois.edu ) Adam Slagell ( slagell @illinois.edu ) Feb. 9 , 2012. Need for another NCSA CA. New Blue Waters system requires two-factor authentication (a new requirement at NCSA)

213 views • 9 slides