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Authentication Protocols

Authentication Protocols

Authentication Protocols. The Premise. How do we use perfect cryptographic mechanisms (signatures, public-key and symmetric key encryption, hash functions, MACs) to design secure protocols (providing security services) over an un-trusted network?. Types of Authentication.

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526 views • 36 slides
Authentication Protocols

Authentication Protocols

Authentication Protocols. The Premise. How do we use perfect cryptographic mechanisms (signatures, public-key and symmetric key encryption, hash functions, MACs) to design secure protocols (providing security services) over an un-trusted network?. Types of Authentication.

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392 views • 36 slides
Kerberos versions 4 and 5 X.509 Authentication Service

Kerberos versions 4 and 5 X.509 Authentication Service

Kerberos versions 4 and 5 X.509 Authentication Service. Kerberos. Kerberos is an authentication service developed in MIT. There are two versions version 4 (developed in 1988) is still in common use

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436 views • 29 slides
SCSC 455 Computer Security

SCSC 455 Computer Security

SCSC 455 Computer Security. Chapter 4 Key Distribution and User Authentication (part I) Dr. Frank Li. Index. Symmetric Key Distribution Using Symmetric Encryption Kerberos Key Distribution Using Asymmetric Encryption X.509 Certificates PKI Federated Identity Management.

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402 views • 24 slides
KERBEROS

KERBEROS

KERBEROS. www.unix.org.ua/orelly/networking/puis/ch19_06.htm. Introduction. Network authentication service (MIT in the 1980s) http://web.mit.edu/kerberos/www/ Provide proof of identity on a network. Version 4 & 5 are still in used. Why Kerberos?.

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362 views • 16 slides
Lecture 12: Kerberos

Lecture 12: Kerberos

Lecture 12: Kerberos. terms and configuration phases logging to network accessing remote server replicated KDC multiple realms message privacy and integrity protection version 5 changes. Introduction. provides cryptographic authentication for distributed systems secure authentication

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187 views • 10 slides

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