Chapter 23 (Internet Authentication) Flashcards
basic idea behind kerberos
each user must prove his identity for each servciec invoked and requires servers to prove their identity to clients
what does a kerebos enviorment(realm) consist of
a kerebos server
a num of clients, all registered w/ server
a num of app servers sharing keys with server
what is a certificate authority
a third party trusted by user community which signs public keys
how does a user get a certificate from a CA
user presents his pub key to authority in secure manner, gets certificate
what is x.509
the most widely accepted format for public key certificates
what net security applications use certificates
IPSEC
SSL
Secure electronic transactions
S/MIME
eBusiness Apps
what is public key infrastructure
set of hardware, software. people, policies, and procedures needed to deal with digital signatures based on asymetric cryptography
