Kerberos Flashcards
It’s is an
Authentication protocol
How it is done
Secret key cryptography
Requirements
Security
Transparancy
Reliability
Scalability
Terminology (a&c)
Authentication server
Client
Credentials
Credentials cache or ticket file
Crypt hash
Terminology (k&r)
Key
Key distribution center
Relam
Terminology (t)
Ticket granting server
Ticket granting ticket
Version 4
Simple authentication dialogue
More secure authentication dialogue
SAD
C-as
As-c
C-v
Kerberos realms
Id
Hash pasword
Secret key
Register
PCBC
Propagating Cipher Block Chaning
Strengths
No unencrypted password
Mutual authentication
Limited lifetime
Convenient
More efficient
Large support base
Prevents steal
Weakness
Only authentication providing
Bad things happen
Poor password
Time sharing environment
Server goes down
Trojan horses
