Patent ID: 8627437

Claim:
A method for reading at least one attribute stored in an ID token, wherein the ID token is associated with a user, having the following steps: sending a user request from a computer of the user (a fourth computer system) to a second computer system indicating that the user seeks to obtain goods and/or services from the second computer system, producing an attribute specification that specifies at least one attribute contained in the ID token and specifies a third computer system, by the second computer system in response to the user request, and transmitting the attribute specification from the second computer system to the fourth computer system, facilitating authentication of the user to the ID token via the fourth computer system in response to the fourth computer system receiving the attribute specification, producing a modified attribute specification by the fourth computer system that specifies the at least one attribute and specifies a first computer system remote from the fourth computer system, in response to successful authentication of the user to the ID token, and transmitting the modified attribute specification to the third computer system specified by the attribute specification, authenticating the first computer system to the ID token in response to receiving the modified attribute specification from the third computer system, transmitting a read request from the first computer system to the ID token and receiving the at least one attribute stored in the ID token, signing the at least one attribute, and transmitting the signed at least one attribute to the fourth computer system, and adding further data to the at least one attribute by the user prior to the fourth computer system transmitting the signed attributes from the fourth computer system upon release by the user to the third computer system.