Patent ID: 7748046

Claim:
One or more device-readable storage media encoded with device-executable instructions including steps comprising: receiving, at an identity provider, a request for information from a resource provider to authenticate an account; retrieving a security claim associated with the account, the security claim being provided by an account store in a first format that is unique to the account store, wherein the account store is one of a plurality of account stores associated with the identity provider, wherein each of the plurality of account stores is associated with a unique format; transforming the security claim from the first format to an intermediate format using a first transformation rule associated with the account store, wherein the security claim in the first format and the security claim in the intermediate format contain semantically the same information; transforming the security claim from the intermediate format to a second format using a second transformation rule associated with the resource provider, the second format recognized by the resource provider; providing the security claim in the second format to the resource provider.