Patent ID: 7020778
Filing Date: 2006-03-28
Classification: H04L

Abstract:
1. Method for issuing an electronic identity for a first entity from an identity registration authority, the method comprising the steps of: a) issuing a first electronic identity for said first entity, said first electronic identity having a first representational form for use by said first entity in a first application; b) creating a request for a second electronic identity for use by said first entity in a second application, the request including an identifier of said first entity, said second application requiring said second electronic identity in a second representational form that is different from said first representational form; c) sending said request to said identity registration authority; d) in response to said request, creating an identification response; e) sending said identification response to said first entity; f) verifying an acceptability of said identification response by said first entity; g) in response to said verifying, if said identification response is acceptable, signing said identification response using a digital signature by said first entity, thereby generating a signed response; h) sending said signed response to said identity registration authority; i) verifying a validity of said digital signature and said identification response in said signed response; and j) in response to said verifying, if said digital signature and identification response are valid, issuing said second electronic identity based on said first electronic identity.