To start with, the
user will have no cards, but in this example the user already has
several. Creating cards is covered later in the chapter.
CardSpace can be
opened by a simple
user action, such as
a button click
Figure 3-1 A typical Information Card logon control
CardSpace displays
site information to
help the user make
an informed decision
Users are in control;
they can pick
the cards they want
to use
171 CardSpace Walkthroughs
Figure 3-2 The Relying Party Identi?¬?cation page helps the user identify
the site that is requesting a card.
Figure 3-3 CardSpace??™s Card Chooser lets users pick the card they
want to use.
172 Windows CardSpace
The cards that appear in CardSpace are referred to as
Information Cards; this is a general term that can be used by
any Identity Selector that uses cards to represent digital identity.
By double-clicking one of these cards or clicking the Preview
button when a card is selected, the user can see the information
that the site requested and the values that the identity provider
(IP) will provide for the requested values. As shown in Figure 3-
4, the site in this example requires only an email address, and
the IP provides the value averageUser@foobar.
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