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16 Cards in this Set
- Front
- Back
single sign-on
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What type of system is Kerberos?
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symmetric
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What type of cryptography does Kerberos use?
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heterogenous
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Kerberos is used for what type of networks? (homogenous or heterogenous?)
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Key Distribution Center (KDC)
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Component of Kerberos: holds all users’ and
services’ secret keys. It provides an authentication service, as well as key distribution functionality |
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principals
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The KDC provides security services to ____________, which can be users, applications,
or network services |
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secret key
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The KDC must have an account for, and share a ________ ____ with,
each principal. |
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User authenticates to AS
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Kerberos authentication process step 1
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AS sends initial ticket to user
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Kerberos authentication process step 2
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User requests access to access file server
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Kerberos authentication process step 3
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TGS creates new ticket with session keys
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Kerberos authentication process step 4
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User extracts one session key and sends ticket to file server
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Kerberos authentication process step 5
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session key
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shared between two principals and is generated when needed and destroyed after the
session is completed. |
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password guessing
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Kerberos is susceptible to what type of attack?
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symmetric and asymmetric
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SESAME uses what type of cryptography?
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Privileged Attribute Certificates (PACs)
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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 |
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Privileged Attribute Server (PAS)
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(In SESAME) The trusted authentication server is referred to as what?
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