Explain Kerberos like I'm 5

Authentication Server

Ticket GrantingServer

Key Distribution Center

Kerberos Realm

HTTPservice

KDC Clients

Monday, April 1, 13

your ID, Ticket Granting Server ID, IP address, lifetime

YouAuthentication

Server

plaintext request

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user IDlookup in KDC

YouAuthentication

Server

Monday, April 1, 13

Ticket Granting Server Session Key

Ticket Granting Ticket

HTTP service’s ID, timestamp, lifetime, TGS Session Key

your ID, HTTP service ID, IP address, timestamp, lifetime, and the TGS Session Key

YouAuthentication

Server

Monday, April 1, 13

Your Secret Key

Ticket Granting Server Secret Key

YouAuthentication

Server

Monday, April 1, 13

Authenticator

your ID and timestamp

HTTP Service ID and lifetimeplaintext request

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user IDlookup in KDC

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Authenticator

Ticket Granting TicketTicket Granting Server Secret Key

YouTicket Granting

Server

plaintext request

Monday, April 1, 13

HTTP Service Session Key

Ticket for HTTP Service

your client ID and timestamp

YouTicket Granting

Server

Monday, April 1, 13

Ticket for HTTP ServiceHTTP Service Secret Key

YouTicket Granting

Server

Monday, April 1, 13

Ticket for HTTP Serviceyour ID, HTTP service ID, IP address,

timestamp, lifetime, and the TGS Session Key

Authenticatoryour client ID and timestamp

HTTPservice

Monday, April 1, 13

Authenticator

HTTP Service Secret Key

HTTPservice

Ticket for HTTP Service

Monday, April 1, 13

AuthenticatorHTTP service ID and timestamp

HTTPservice

Monday, April 1, 13

AuthenticatorYou

HTTPservice

Monday, April 1, 13

HTTPservice

Monday, April 1, 13

Explain Kerberos like I'm 5

Technology

Transcript of Explain Kerberos like I'm 5

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