'Pretty good privacy' presentation slideshows

November 18, 2003

November 18, 2003. Certificates, Authentication Network Security Lecture 9. Cryptographic Key Infrastructure. Goal: bind identity to key Classical Crypto: Not possible as all keys are shared Public key Crypto: Bind identity to public key

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Cryptography

Cryptography. Past, Present, and Future. Presenter: Group 3 Ahmed Abdalla, Troy Brant, Gabe Campbell, Ana Lim, Saudamini Zarapkar. Outline. A Brief History of Cryptography Symmetric Encryption Asymmetric Cryptography Politics in Cryptography Quantum Cryptography Summary. Outline

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COMPUTER CONCEPTS Vocabulary

COMPUTER CONCEPTS Vocabulary. Chapter 9 Data Security. Operator error . A mistake made by a computer user. . Power failure . A complete loss of power to the computer system. . Power spike . A sudden increase of power that lasts less than a millionth of a second. . Power surge .

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Chapter 10

Chapter 10. E-mail Security. Objectives. Understand the use of SMTP in e-mail and attacks on SMTP Explain how e-mail can be secured through certificates and encryption Discuss general techniques for securing e-mail Configure security in popular e-mail tools. Overview of SMTP.

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Information Hiding Cryptography & Steganography

Information Hiding Cryptography & Steganography. Lesson 6. What is Cryptography. Protecting information by transforming it into an unreadable format Encryption is the process that transforms the data into the unreadable format, Decryption restores it to its original format.

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Pretty Good Privacy

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Firewall

Firewall. Slides by John Rouda http://www.johnrouda.com. What Is a Firewall?. Hardware or software that monitors transmission of packets of digital information that attempt to pass the perimeter of a network Performs two basics security functions Packet filtering Application proxy gateways.

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Pretty Good Privacy

Pretty Good Privacy. Dan Fleck CS 469: Security Engineering. 1. These slides are modified with permission from Bill Young ( Univ of Texas). Pretty Good Privacy. Various crypto algorithms and products provide strong encryption , but are not particularly easy to use.

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Cryptography and Network Security Chapter 15

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CS 312: Algorithm Analysis

This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License . CS 312: Algorithm Analysis. Lecture #5: Public-Key Cryptography with RSA. Slides by: Eric Ringger, with contributions from Mike Jones, Eric Mercer, Sean Warnick. Announcements.

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Security and Cryptography

Security and Cryptography. Security: all issues which make secure communication (information transmission, two (multiple) party interaction) over insecure channels . Cryptography: the science and art of manipulating messages to make them secure. Classical cryptographic techniques.

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CS 312: Algorithm Analysis

This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License . CS 312: Algorithm Analysis. Lecture #5: Public-Key Cryptography with RSA. Slides by: Eric Ringger, with contributions from Mike Jones, Eric Mercer, Sean Warnick. Announcements. HW #3 Due Now

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ECE-8843 ece.gatech/~copeland/jac/8843-03/ Prof. John A. Copeland john.copeland@ece.gatech 404 894-5177 fax 404 894-003

ECE-8843 http://www.ece.gatech.edu/~copeland/jac/8843-03/ Prof. John A. Copeland john.copeland@ece.gatech.edu 404 894-5177 fax 404 894-0035 Office: GCATT Bldg 579 email or call for office visit, or call Kathy Cheek, 404 894-5696 Chapter 5a - Pretty Good Privacy (PGP) Email.

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Key Management

Key Management. Sandy Kutin CSPP 532 7/24/01. Last Week: PKI. Public key algorithms (RSA) Bob has public key B, private key b Confidentiality: anyone can write to Bob Authentication: Bob can sign messages Non-repudiation: Signature usable in court Solves key distribution problem

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Applications of Logic in Computer Security

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Pretty Good Privacy

by Philip Zimmerman. Pretty Good Privacy. presented by: Chris Ward. What is PGP?. a non-proprietary protocol for the secure exchange of information between individuals a free, open-source program implementing this protocol. Why do you need PGP?. privacy: for protecting personal information

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Summary From the Last Lecture

Summary From the Last Lecture. Authorization via symmetric crypto Key exchange Using asymmetric crypto Using symmetric crypto with KDC KDC shares a key with every participant Authenticates participants, generates session (shared) keys for them to talk to each other

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Pretty Good Privacy (PGP)

Pretty Good Privacy (PGP). How PGP works. PGP uses both public-key cryptography and symmetric key cryptography, and includes a system which binds the public keys to user identities .

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ICT 138: Network Management & Security

Introduction. ICT 138: Network Management & Security. Contents. Network Management Overview Sample Scenario where NM is Applied 5 Management Functions Importance to Business Processes Network Security Overview Some Secure Systems. Network Management Overview.

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