'Key establishment' diaporamas de présentation

Authentication in Distributed Systems

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Computer Security 3e

Computer Security 3e. Dieter Gollmann. www.wiley.com/college/gollmann. Chapter 15: Key Establishment. Introduction. Crypto transforms (communications) security problems into key management problems.

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Windows PKI

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IS511 Introduction to Information Security Lecture 3 Cryptography 1

IS511 Introduction to Information Security Lecture 3 Cryptography 1. Yongdae Kim. Recap. http://syssec.kaist.ac.kr/~yongdaek/courses/is511/ E-mail policy Include [is511] Profs + TA: IS511-prof@gsis.kaist.ac.kr Profs + TA + Students: IS511@gsis.kaist.ac.kr Text only posting, email!

556 views • 41 slides

Network Security

Network Security. Chapter 7. Security in Wireless Local Area Networks. Objectives. WEP(802.11) Key Establishment Anonymity Authentication Confidentiality Data Integrity Loopholes WPA(Wi-Fi protected access) WPA2(802.11i). WEP(Wire Equivalent Privacy). Key Establishment in 802.11.

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Security of Authentication Protocols

Security of Authentication Protocols. Alexander Potapov. Outline. Authentication definition Protocol architectures Cryptographic properties Freshness Types of attack on protocols T wo-way authentication protocol attack The Diffie-Hellman key exchange attack

628 views • 35 slides

Octopus

CS 259. Octopus. Taral Joglekar Ryan Wisnesky. Outline. Adhoc networks Octopus Protocol Murphi model and attacks CEDAR with Octopus Attacks on CEDAR Using GDH.2 attack techniques. Ad hoc networks.

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Key Distribution

Key Distribution. Where to Put Encryption?. Link level Vulnerable links equipped with encryption devices on both sides Needs large number of devices Needs decryption to perform routing End-to-end Carried out at the end systems Can encrypt only the data portion and not the header.

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SENG 5199-3 Data and Network Security Lecture 3 Crypto

SENG 5199-3 Data and Network Security Lecture 3 Crypto. Yongdae Kim. News Today. Linux Local Root Escalation Teleconferencing Equipment. SKE with Secure channel. Adversary. d Secure channel. Key source. e. Encryption E e (m) = c. Decryption D d (c) = m.

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Upgrades to MSA to support multiple MKD

Upgrades to MSA to support multiple MKD. Date: 2008-11-11. Authors:. Abstract.

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C hallenges in S ecuring V ehicular N etworks

C hallenges in S ecuring V ehicular N etworks. Outline. Paper Information. Published in Workshop on hot topics of networks ( HotNets -IV) Year: 2005 Authors Bryan Parno , Carnegie Mellon University Adrian Perrig , Carnegie Mellon University. Motivation. Main Contribution.

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SECURITY SCHEMES FOR AMI

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Secure Multimedia Communication

Secure Multimedia Communication. Curtsey of Professor Min Wu Electrical & Computer Engineering Univ. of Maryland, College Park. Evolving Multimedia and Comm. Technologies. Well-developed multimedia standards @ Source compression has matured: MPEG-1 Layer 3, JPEG-2000, MPEG-4

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Intrusion Tolerance for NEST

Intrusion Tolerance for NEST. Bruno Dutertre, Steven Cheung SRI International. NEST 2 Kickoff Meeting November 4, 2002. Administrative. Project Title: Intrusion Tolerance for Networked Embedded Sys. PM: Vijay Raghavan PI: Bruno Dutertre and Steven Cheung

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ITIS 6010/8010 Wireless Network Security

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TLS 1.2 and NIST SP 800-56A

TLS 1.2 and NIST SP 800-56A. Tim Polk November 10, 2006. Acknowledgements. The bulk of the analysis was performed by Ray Perlner at NIST Reviewed -01 draft. Background. NIST publishes cryptographic standards and specifications

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Integrity-regions: Authentication Through Presence in Wireless Networks

Integrity-regions: Authentication Through Presence in Wireless Networks. Srdjan ? apkun 1 and Mario ? agalj 2 1 Department of Computer Science, ETH Zurich 2 FESB, University of Split, Croatia ACM WiSe 2006. Key Establishment: Diffe-Hellman. ?. g a mod p. ?. ?. g b mod p. Alice. Bob.

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Privacy-Preserving Universal Authentication Protocol for Wireless Communications

Privacy-Preserving Universal Authentication Protocol for Wireless Communications. Daojing He, Jiajun Bu, Sammy Chan, Chun Chen and Mingjian Yin IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS , VOL. 10, NO. 2, FEBRUARY 2011. Outline. Introduction Method : Priauth Scheme Conclusion.

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Fast Authentication in TGai : Updates to EAP-RP

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TGai Motions

TGai Motions. Date: 2014-01-22. Authors:. Comment #2983. Comment: FILS key establishment without a trusted third party clause does not clearly describe the protocol. Proposed resolution: This sub-clause is really hard to follow and does not describe

141 views • 5 slides