'Certificate revocation list crl' presentation slideshows

X.509 Certificates & PKI

X.509 Certificates & PKI. Howon Kim 2019. Agenda. X.509 Authentication Service Public Key Infrastructure. 2. X.509 Authentication Service. part of CCITT X.500 directory service standards distributed servers maintaining some info database defines framework for authentication services

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Public Key Infrastructure and Applications

Public Key Infrastructure and Applications. Nikolay Nedyalkov E-mail: pki@nedyalkov.com Svetlin Nakov E-mail: pki@nakov.com Latona Development. PKI Overview Digital Signatures What is it? How does it work? Digital Certificates Public Key Infrastructure PKI Components Policies

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Public Key Infrastructure and Applications

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CSC 474 Information Systems Security

CSC 474 Information Systems Security. Topic 4.4 Public Key Infrastructure (PKI). Acknowledgment: Slides revised from those provided by Dr. Khaled Harfoush. 1. 2. 5. 3. 6. 4. Motivation. In large networks (large number of users), maintaining public keys in PKC is problematic. Why?.

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Smartening the Environment using Wireless Sensor Networks in a Developing Country

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Using SSL/TLS Client Certificates for User Authentication

Using SSL/TLS Client Certificates for User Authentication. 22 nd March 2006 Robert Loomans robertl@apnic.net. Overview. Background Why? What? How? Lessons learned Future Conclusion Q & A. Background.

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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

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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

385 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

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

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Troubleshooting Grid authentication from the client side

Troubleshooting Grid authentication from the client side. By Adriaan van der Zee Big Grid meeting 2008-01-19. Contents. Introducing myself The project X.509 certificates, proxies and delegation Possible authentication problems Involved Grid components Problem identification tool.

162 views • 8 slides