Some portion of the pro?¬?le will have been
entered by the subject itself, and hence it would be considered
self-asserted. Name, surname, and email are typical examples of
self-asserted claims. Some other portions of the pro?¬?le (such as
the last pages visited on that website in the former session) may
contain information that belongs to the RP itself. The Identity
Metasystem model allows the self-asserted portion of the user
pro?¬?le to be described as a full-?¬‚edged identity, issued by the
subject to itself. In other words, the requestor simultaneously
plays the role of the subject and the IP. Such an arrangement
gives back control and awareness to the user, who can now
maintain and disclose information at a ?¬?ner level of granularity.
Above all, however, the use of an IP in the case of self-issued
claims provides a level of consistency that can ?¬?nally satisfy the
seventh law, ???Consistent Experience Across Contexts.??? Windows
CardSpace expresses self-issued claims via an artifact named
Personal Card, which concretely realizes the advantages of the
The concept of IP
provides a useful
model for describing
scenarios in
which the identity
is self-asserted
Trust 121
last scenario described here.
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