'Certificate revocation lists' diaporamas de présentation

PKI and Secure Communication Usable Privacy and Security Ahren Studer 4/28/08

PKI and Secure Communication Usable Privacy and Security Ahren Studer 4/28/08. Basics. Asymmetric cryptography 2 keys (private and public keys) Can sign (decrypt) using private key Can verify (encrypt) using public key Need an authentic copy of the public key Multiple Ways to Acquire these

727 views • 57 slides

Practical Aspects of Modern Cryptography

Practical Aspects of Modern Cryptography. Josh Benaloh Brian LaMacchia. Winter 2011. Side-Channel Attacks.

691 views • 56 slides

The State of the PKI

The State of the PKI. Technologies, Directions & Products. William Lattin Director, Security Infrastructure Marketing 510/780-5423 wlattin@certicom.com CACR June 1999. Presentation Objectives. The nature of trust Current certificate technologies PKI issues: CA operation & security

639 views • 52 slides

CONNECT: Release 2.4 Webinar

CONNECT: Release 2.4 Webinar. March 25th, 2010. CONNECT Architecture Overview Les Westberg. 2. CONNECT Architecture Message from NHIN. CONNECT Architecture Message to NHIN. CONNECT Development Environment Version 2.1. Major Changes in 2.4. Support of the Updated NHIN Specs:

620 views • 45 slides

PKI 150: PKI Parts Policy & Progress

PKI 150: PKI Parts Policy & Progress. Jim Jokl. University of Virginia. David Wasley University of California. Agenda. Part 1: Fundamentals Components and Contexts Policy and Trust Missing pieces - in the technology and in the community

451 views • 32 slides

Security Enhancements

Security Enhancements. Steve Zemblowski zem@us.ibm.com. Session Agenda. Support for Transport Layer Security (TLS) Support for mixed case passwords Cipher suites Support for AES cipher suites Specification of minimum and maximum encryption level Changes to revocation processing

415 views • 30 slides

Smartening the Environment using Wireless Sensor Networks in a Developing Country

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211 views • 14 slides

An In-Depth Examination of PKI

An In-Depth Examination of PKI. Strengths, Weaknesses and Recommendations. Encryption. Hiding the intent or meaning of a message Complex mathematical algorithms Should be unbreakable Claude Shannon, the Father of Information Theory. Shared and Public Key. Shared Key Encryption

247 views • 10 slides

Public Key Cryptography

Public Key Cryptography. Michael Watson Security Incident Management Director Virginia Real Estate Appraiser Board Electronic Portal Committee Meeting November 17, 2008. www.vita.virginia.gov. 1. What is Public Key Cryptography?. Methodology not technology Technology adopts this process

224 views • 9 slides

Compliance Defects in Public-key Cryptography

Compliance Defects in Public-key Cryptography. Presented by Gene Yang.

158 views • 9 slides

COEN 351 E-Commerce Security

COEN 351 E-Commerce Security. Code Authentication. Code Authentication. Microsoft Authenticode Code signed in the usual manner. Hash of code, encrypted with private key obtained from a Certifying Authority. Combine hash with certificate in a signature block.

208 views • 5 slides

draft-ietf-ltans-validate-03

193 views • 5 slides