6. A method, comprising: a user agent providing at least one privacy preference relative to at least one user identity; the user agent receiving user selections indicating at least one privacy preference-related input pertaining to the user identity wherein the user identity is represented by at least one information card used in completing an online transaction with a relying party; the user agent generating at least one privacy preference, using the user selections; the user agent furnishing the at least one generated privacy preference; the user agent evaluating at least one privacy preference against a privacy policy associated with an online transaction and obtained from the relying party, the evaluating using the at least one privacy preference of any category referencing at least one required attribute; and a host computer providing the at least one information card representing the user identity to the relying party.
6. A method, comprising: a user agent providing at least one privacy preference relative to at least one user identity; the user agent receiving user selections indicating at least one privacy preference-related input pertaining to the user identity wherein the user identity is represented by at least one information card used in completing an online transaction with a relying party; the user agent generating at least one privacy preference, using the user selections; the user agent furnishing the at least one generated privacy preference; the user agent evaluating at least one privacy preference against a privacy policy associated with an online transaction and obtained from the relying party, the evaluating using the at least one privacy preference of any category referencing at least one required attribute; and a host computer providing the at least one information card representing the user identity to the relying party. 11. The method of claim 6 , further comprises: the user agent processing an indication from an identity manager specifying the user identity determined to satisfy the security policy requirements; and the user agent evaluating further includes evaluating, in accordance with the indication, the privacy preference of the user identity specified in the determination.