'Certificate revocation' presentation slideshows

COEN 351

758 views • 56 slides

A Performance Evaluation Study of an X.509 Compliant Public Key Infrastructure

641 views • 54 slides

Cryptography

Cryptography. Chapter 14. Learning Objectives. Understand the basics of algorithms and how they are used in modern cryptography Identify the differences between asymmetric and symmetric algorithms

573 views • 45 slides

ECE 454/CS594 Computer and Network Security

ECE 454/CS594 Computer and Network Security. Dr. Jinyuan (Stella) Sun Dept. of Electrical Engineering and Computer Science University of Tennessee Fall 2011. Overview of Authentication Systems. Password-based authentication Address-based authentication

504 views • 37 slides

ISA 562 Information Systems Theory and Practice

ISA 562 Information Systems Theory and Practice. 10. Digital Certificates. PUBLIC-KEY CERTIFICATES-1. What is a certificate?: A statement claiming some binding of attribute values Why do we need them? Identifying entities outside of domain Distributed access control What do they do?

498 views • 36 slides

USING A PUBLIC KEY INFRASTRUCTURE

Chapter 5. USING A PUBLIC KEY INFRASTRUCTURE. CHAPTER OBJECTIVES. Explain what certificates are and how they are used. Describe how a public key infrastructure (PKI) distributes cryptographic keys. Describe the certificate life cycle. Explain how trust models allow a PKI to function.

503 views • 32 slides

Petrina Gillman (410)854-4527 plgillm@radium.ncsc.mil

Department of Defense High Assurance PKI Implementation & Operations RSA Conference 17 January 2000. Petrina Gillman (410)854-4527 plgillm@radium.ncsc.mil. Operational Requirements. Provide high assurance security Scaleable to 2 million users Immediate PKI service

420 views • 27 slides

Lecture 11

Lecture 11. Public Key Infrastructure (PKI) CIS 4362 - CIS 5357 Network Security. What is a PKI. Components / structure to securely distribute public keys Repository for certificates Retrieving and delivering certificates to clients

339 views • 24 slides

CERTIFICATES

407 views • 22 slides

Certificate Revocation

Certificate Revocation. Serge Egelman. Introduction. What is revocation? Why do we need it? What is currently being done?. Huh?. Certificates Are: Identity Personal Corporate Financial Overall Security. Why Revoke?. Key Compromise Forgotten Passphrase Lost Private Key Stale Keys

509 views • 22 slides

CSCE 715: Network Systems Security

CSCE 715: Network Systems Security. Chin-Tser Huang huangct@cse.sc.edu University of South Carolina. Certificates. An instrument signed by an authority to certify something about a subject Original function is to bind names to keys or keys to names

384 views • 22 slides

Certificate Revocation

Certificate Revocation. Serge Egelman. Introduction. What is revocation? Why do we need it? What is currently being done?. Huh?. Certificates Are: Identity Personal Corporate Financial Overall Security. Why Revoke?. Key Compromise Forgotten Passphrase Lost Private Key Stale Keys

344 views • 22 slides

Public-Key Authentication and Public-Key Infrastructure

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Is there life after X.509 ? Security Workshop Globus World 2004

332 views • 19 slides

ASYNCHRONOUS LARGE-SCALE CERTIFICATION BASED ON CERTIFICATE VERIFICATION TREES

325 views • 19 slides

Academia Sinica Grid Computing Certification Authority (ASGCCA)

Academia Sinica Grid Computing Certification Authority (ASGCCA). Outline. Introduction Procedural Security Physical Security Technical Security Contact Information Related Information. Introduction.

294 views • 19 slides

Academia Sinica Grid Computing Certification Authority (ASGCCA)

Academia Sinica Grid Computing Certification Authority (ASGCCA). Academia Sinica Computing Centre. Outline. Introduction Procedural Security Physical Security Technical Security Contact Information Related Information. Introduction.

311 views • 19 slides

264 views • 17 slides

Public-Key Infrastructure CNS F2006

387 views • 14 slides

3rd CACR Information Security Workshop

3rd CACR Information Security Workshop. Focus -- Public Key Infrastructures Continues with a focus on Public Key Infrastructures Authority certificates (in contrast with identity certificates), on line and off line certificate validation, certificate revocation and related topics.

115 views • 4 slides