Foundations of Coding by unknow

Author:unknow
Language: eng
Format: epub
ISBN: 9781118960868
Publisher: Wiley
Published: 2015-02-02T00:00:00+00:00

Figure 3.15 Kerberos authentication steps

A ticket takes the following form:

Thus, it contains the name of the service s that Alice wishes to use (TGS, or Bob) as well as a list of information items enciphered with the service's secret key (that only the service will be able to decrypt); more precisely:

the identity of Alice,

the date of the request, t

the date of expiration of the ticket,

and (above all) a session key , which will be used for the authenticator (see below) and for enciphering future communications between Alice and the service s.

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