'Forward secrecy' presentation slideshows

HTTPS in 2015

810 views • 64 slides

Security and Safety Analysis of WSN Based on Finite Model Checking

Security and Safety Analysis of WSN Based on Finite Model Checking. Vladimir A. Oleshchuk University of Agder Norway. Vladimir I. Zadorozhny University of Pittsburgh USA. Outline. WSN basics Motivation Simulation and Model-checking for security analysis

732 views • 60 slides

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Network Security--- User Authentication and Key Agreement Protocols. ??? hmsun@cs.nthu.edu.tw Phone: 03-5742968. ??????????? ???????. Outline. Basic Cryptographic Concept Symmetric Encryption Asymmetric Encryption Digital Signature Encrypted Key Exchange (EKE) Conclusions.

517 views • 43 slides

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Network Security--- User Authentication and Key Agreement Protocols. ??? hmsun@cs.nthu.edu.tw Phone: 03-5742968. ??????????? ???????. Outline. Basic Cryptographic Concept Symmetric Encryption Asymmetric Encryption Digital Signature Encrypted Key Exchange (EKE) Conclusions.

568 views • 43 slides

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Authenticated Key Exchange Protocols. ??? ?? hmsun@cs.nthu.edu.tw Phone: 03-5742968. ??????????? ???????. Cryptographic System. Symmetric Cryptosystem. Stream Cipher DES (1977) IDEA (1992) RC5 (1994) Skipjack (1993) AES (2001). Symmetric Cryptosystem. Security Service:

586 views • 42 slides

HOW TO BUILD A SECURE COMMUNICATION CHANNEL

HOW TO BUILD A SECURE COMMUNICATION CHANNEL. Guomin Yang Temasek Laboratories National University of Singapore. Authenticated Key Exchange (AKE). Security Goals Mutual Authentication Secure Key Establishment User Anonymity (optional). msg 1. msg 2. msg 3. Alice. Bob. K. K.

592 views • 39 slides

Analysis of Key Agreement Protocols

432 views • 28 slides

IPSec: Internet Key Exchange

CS 378. IPSec: Internet Key Exchange. Vitaly Shmatikov. Secure Key Establishment. Goal: generate and agree on a session key using some public initial information What properties are needed? Authentication (know identity of other party) Secrecy (generated key not known to any others)

495 views • 25 slides

IPSec: Internet Key Exchange

IPSec: Internet Key Exchange. Slides by Vitaly Shmatikov UT Austin. Secure Key Establishment. Goal: generate and agree on a session key using some public initial information What properties are needed? Authentication (know identity of other party)

452 views • 25 slides

Storage & Retrieval Privacy

620 views • 22 slides

Authenticated Key Exchange

Authenticated Key Exchange. Definitions MAP matching conversations oracles (I)KA AKEP2 AKEP2 Security Session Keys Perfect Forward Secrecy Adversary Attacks. Presented By: Ashley Bruno & Blayne White. Key Establishment Protocols.

943 views • 19 slides

Robust Group Key Management with Revocation and Collusion Resistance for SCADA in Smart Grid

Robust Group Key Management with Revocation and Collusion Resistance for SCADA in Smart Grid. Rong Jiang 2013.07.31. Agenda. Introduction The proposed group key management Security analysis and performance evaluation Conclusion. SCADA.

523 views • 19 slides

Intro To Encryption Exercise 11

Intro To Encryption Exercise 11. Problem. Alice and Bob wish to play the game Paper, Rock and Scissors. What may be the problems with the game? The requirements for the games are Privacy of the choice (i.e. when someone chooses, the other party does not know his choice)

276 views • 19 slides

A password authentication scheme with secure password updating

401 views • 13 slides