In other words, it will trustthe government (as trustwas
de?¬?ned previously). This simple consideration gives us the last
piece for fully translating the wine seller example in Identity
Metasystem terms. The wine seller is the RP, the buyer is the
subject and the government is the IP that provides the buyer
with an identity (for example, in the form of a picture ID document).
The RP trusts the IP and therefore accepts the claims on
the document as true and acts accordingly, granting or denying
the buyer request according to the rules.
Explicitly acknowledging the existence of the IP role is a powerful
shift in perspective and helps to reconsider many aspects of
identity-related transaction.
One of the concepts that surfaces more clearly thanks to the
idea of IP is the identity context. Different RPs will grant their
trust to diverse IPs, according to the service they offer or the
relationship they themselves have with the IPs. In the of?¬‚ine
world, you would never try to board a plane just by showing
Identities issued by
identity providers
are effective to the
extent that the IP is
considered an
authority in the
current context
IPs have always
been there.
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