SSL

An Introduction to SSL/TLS and Certificates Providing secure communication over the Internet

CertCo Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]

Security Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Transport Layer Security ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is TLS? ,[object Object],[object Object],[object Object],IP TCP TLS HTTP Telnet FTP LDAP

TLS: Privacy ,[object Object],[object Object],[object Object],[object Object],[object Object],A Message Message B $%&#!@

TLS:Key Exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Integrity ,[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Integrity ,[object Object],[object Object],[object Object],A B Message’ MAC’ MAC =? Message MAC

TLS: Authentication ,[object Object],[object Object],[object Object],A Certificate B Certificate

TLS: Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Architecture ,[object Object],[object Object],TLS Record Protocol Handshake Protocol Alert Protocol Change Cipher Spec

TLS: Handshake ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Handshake Phases ,[object Object],[object Object],[object Object]

TLS: Hello ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Key Exchange ,[object Object],[object Object],[object Object],[object Object]

Public Key Certificates ,[object Object],[object Object],[object Object],[object Object],[object Object]

Validating a Certificate ,[object Object],[object Object],[object Object],[object Object]

X.509: Certificate Content ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Subject Names ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example Subject Name ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Version 3 Certificates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Certificate Signature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: ServerKeyExchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Certificate Request ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Client Certificate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Change Cipher Spec, Finished ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Change Cipher Spec/Finished ,[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Using a Session ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Changes from SSL 3.0 to TLS ,[object Object],[object Object],[object Object],[object Object]

TLS: HTTP Application ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web Servers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Other Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS: Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object]

X.509 Certificate Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]

X.509 Alternative: SDSI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TLS “Alternatives” ,[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]

References - 1 ,[object Object],[object Object],[object Object],[object Object],[object Object]

References - 2 ,[object Object],[object Object],[object Object],[object Object],[object Object]

References - 3 ,[object Object],[object Object]

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Editor's Notes