'Middle attack' presentation slideshows

CMSC 426/626 Notes

CMSC 426/626 Notes. Krishna M. Sivalingam UMBC krishna@umbc.edu. Based on: Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown. Key Management. public-key encryption helps address key distribution problems have two aspects of this:

1.18k views • 94 slides

Robust Key Exchange

719 views • 51 slides

15-441 Computer Networks

15-441 Computer Networks Security and Cryptography Sachin Kulkarni (Special Thanks to Ed Bardsley, John Heffner & Andrew Tanenbaum) Security - Outline Is it really important? How do we ensure it? At what level can it be introduced? Actual protocols Kerberos ssh IPSec Security Threats

820 views • 42 slides

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

629 views • 35 slides

Public Key Cryptography

Public Key Cryptography. Introduction. Public Key Cryptography. Unlike symmetric key, there is no need for Alice and Bob to share a common secret Alice can convey her public key to Bob in a public communication:. Encrypting w/ Public Keys. Public key schemes encrypt large blocks of data:

609 views • 35 slides

EMV: Why Payment Systems Fail

486 views • 34 slides

The Trusted Computing (TC) and Next Generation Secured Computing Base (NGSCB)

550 views • 31 slides

Cryptography and Network Security Chapter 10

435 views • 30 slides

E - BANKING

E - BANKING By Pritam Potnis Mahesh Narayan Why E-Banking

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E - BANKING

E - BANKING. By Pritam Potnis Mahesh Narayan. Why E-Banking.

596 views • 28 slides

GS: Chapter 3 Encryption, Authentication and Java Cryptography

GS: Chapter 3 Encryption, Authentication and Java Cryptography. Cryptography & Java. Encryption Authentication Java Cryptography. Encryption. Encryption Basics: An algorithm ( or cipher) and a key are required in order to encrypt or decrypt messages. Example: the Caesar cipher (p.34)

605 views • 27 slides

Security in Near Field Communication Strengths and Weaknesses

Security in Near Field Communication Strengths and Weaknesses. Ernst Haselsteiner, Klemens Breitfuss. RFIDSec 06. July 13th, 2006. Contents. Contents. NFC Intro. What is NFC? Threats & Countermeasures Eavesdropping Data Modification Man-in-the-Middle Secure Channel Key Agreement.

583 views • 23 slides

Sales Guide of DGS-3700 Series

Sales Guide of DGS-3700 Series. SSPD, D-Link HQ, Apr. 2009. D-Link Confidential. Internal Use Only. Agenda. Product Competition Overview - Positioning Highlights - Technology Briefing Product Application Guide Competitive Comparison & Analysis - Product Position/Main Competitors

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C HAPTER 13 Asymmetric Key Cryptography

C HAPTER 13 Asymmetric Key Cryptography.

374 views • 17 slides

Overview of Key Establishment Techniques: Key Distribution, Key Agreement and PKI

Overview of Key Establishment Techniques: Key Distribution, Key Agreement and PKI. Wade Trappe. Lecture Overview. We now begin our look at building protocols using the basic tools that we have discussed.

339 views • 17 slides

Chapter 6

Chapter 6. Block Cipher Operation. Double DES. Meet-in-the-Middle Attack. Triple-DES with Two-Keys. Obvious counter to the meet-in-the-middle attack is to use three stages of encryption with three different keys

329 views • 17 slides

PEAP

PEAP. Protected Extensible Authentication Protocol. What is PEAP?. PEAP is an authentication protocol designed for wireless LANs PEAP makes use of 2 well known and well studied protocols EAP - Extensible Authentication Protocol TLS - Transport Layer Security.

618 views • 11 slides

DIGITAL CERTIFICATE & SSL

DIGITAL CERTIFICATE & SSL. PRESENTED BY, SWAPNA ERABATHINI. CONTENTS What is SSL ? SSL Hand Shake Process Man-in-the-Middle Attack SSL Connection. SOCKET LAYER Socket Layer lives between Application & Transport Layer. APPLICATION. Socket layer. TRANSPORT. . .

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Introduction to network stcurity

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Anonymity (Privacy)

356 views • 10 slides