Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
single sign-on
|
What type of system is Kerberos?
|
|
|
symmetric
|
What type of cryptography does Kerberos use?
|
|
|
heterogenous
|
Kerberos is used for what type of networks? (homogenous or heterogenous?)
|
|
|
Key Distribution Center (KDC)
|
Component of Kerberos: holds all users’ and
services’ secret keys. It provides an authentication service, as well as key distribution functionality |
|
|
principals
|
The KDC provides security services to ____________, which can be users, applications,
or network services |
|
|
secret key
|
The KDC must have an account for, and share a ________ ____ with,
each principal. |
|
|
User authenticates to AS
|
Kerberos authentication process step 1
|
|
|
AS sends initial ticket to user
|
Kerberos authentication process step 2
|
|
|
User requests access to access file server
|
Kerberos authentication process step 3
|
|
|
TGS creates new ticket with session keys
|
Kerberos authentication process step 4
|
|
|
User extracts one session key and sends ticket to file server
|
Kerberos authentication process step 5
|
|
|
session key
|
shared between two principals and is generated when needed and destroyed after the
session is completed. |
|
|
password guessing
|
Kerberos is susceptible to what type of attack?
|
|
|
symmetric and asymmetric
|
SESAME uses what type of cryptography?
|
|
|
Privileged Attribute Certificates (PACs)
|
Kerberos uses tickets to authenticate subjects to objects, whereas SESAME uses ____________________ , which contain the subject’s identity, access capabilities
for the object, access time period, and lifetime |
|
|
Privileged Attribute Server (PAS)
|
(In SESAME) The trusted authentication server is referred to as what?
|
