Chapter7 Page191
based on an exact schedule. The schedule is aligned between the
authentication server and the token hardware using built-in
synchronized clocks.
Challenge-Response:The authentication server prompts the user
with a dynamically generated value — the challenge. The user
enters this challenge value on the token card, and the token card
generatesaresponsevalue.Theuserentersthisresponsevalue
like a password on the handheld computer.
Event-Synchronous:This system generates and tracks an ordered
series of dynamic passwords. The server matches the passwords
based on the iteration ID.
Plug-in applications
Youcan create plug-in applications that contain script commands that
you create in order to extend the functionality of the built-in script
commands.A plug-in application is a standard .PRC application that
isinstalled on your handheld computer just lik e any other application.
Afteryouinstalltheplug-inapplicationonthehandheldcomputer,
thenew scriptcom mands can be used in a login script.
Plug-in applications have the following characteristics:
Written in C language
Compiled into a device executable
Called properly from a login script
Ablet o return control to a login script after it terminates
Createdusing a development environment that supports the Palm
OS™ software, such as Metrowerks Code Warrior
For additional information on creating plug-in applications, send
e-mail toPalm Developer Support at devsupp@palm.com.
To create a login script:
1. Tap Script.
2. Tap the End pick list.