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This service extension defines two message types for transferring attribute=
s: fetch (see Section 5 (Fetch Message)<http://openid.net/specs/openid-attr=
ibute-exchange-1_0.html#fetch>) and store (see Section 6 (Store Message)<ht=
tp://openid.net/specs/openid-attribute-exchange-1_0.html#store>). Fetch ret=
rieves attribute information from an OpenID Provider, while store saves or =
updates attribute information on the OpenID Provider. Both messages origina=
te from the Relying Party and are passed to the OpenID Provider via the use=
r agent as per the OpenID Authentication protocol specification.