Slide 1Email Security 1 Slide 2 email is one of the most widely used and regarded network services currently message contents are not secure may be inspected either in transit…

Slide 1COMP043-Cryptology Week 4 – Certs and Sigs Slide 2 Digital Signatures Digital signatures provide –Integrity –Authenticity and –Non-repudiation How do they…

Slide 1 Bronson Jastrow Slide 2 Outline  What is cryptography?  Symmetric Key Cryptography  Public Key Cryptography  How Public Key Cryptography Works  Authenticating…

Slide 1 1 Mehrdad Nourani Data & Network Security Slide 2 2 Electronic Mail Security Session 16 Slide 3 3 Pretty Good Privacy (PGP) Slide 4 4 Email Security email is…

Slide 1 PUBLIC KEY INFRASTRUTURE Don Sheehy ([email protected])[email protected] Slide 2 WHO HAS HEARD ABOUT  Verisign  EnTrust  Baltimore Slide 3…

Slide 1 Chapter 5 Electronic mail security Slide 2 Outline Pretty good privacy S/MIME Recommended web sites Slide 3 Pretty Good Privacy Philip R. Zimmerman is the creator…

Slide 1 4-2.1 Public Key Infrastructure (PKI) Slides for Grid Computing: Techniques and Applications by Barry Wilkinson, Chapman & Hall/CRC press, © 2009. Chapter 4,…

Slide 1 NDSU Lunchbytes "Are They Really Who They Say They Are?" Digital or Electronic Signature Information Rick Johnson, Theresa Semmens, Lorna Olsen April 24,…

Slide 1 CS@UTC1 Electronic mail security -- Pretty Good Privacy Slide 2 CS@UTC2 Pretty Good Privacy Philip R. Zimmerman is the creator of PGP. PGP provides a confidentiality…

Slide 1 DNS Security Brad Pokorny The University of Minnesota Informal Security Seminar 4/18/03 Slide 2 Outline  Introduction to DNS  The problems with it  PK-DNSSEC…