A method of managing user access authorization for an information processing apparatus, the user access authorization of the information processing apparatus verifiable using a portable storage medium storing identification (ID) information for the portable storage medium and user verification information registered in the information processing apparatus while including a portable storage medium ID as verified ID information for the portable storage medium,
- the method comprising the steps of;
- reading the portable storage medium ID from the portable storage medium;
- generating ticket information by including the portable storage medium ID read at the reading step and use condition information for the portable storage medium, the ticket information being prepared when updating the verified ID information for the portable storage medium registered in the information processing apparatus;
- designating an issuee to be transmitted with the generated ticket information from the information processing apparatus;
- transmitting the generated ticket information to the designated issuee;
- receiving a request to update the verified ID information for the portable storage medium registered in the information processing apparatus;
- obtaining the generated ticket information and the ID information for a new portable storage medium when the portable storage medium is to be changed to the new portable storage medium when the request to update is received at the receiving step, the ID information for the new portable storage medium to be used to update the verified ID information for the portable storage medium registered in the information processing apparatus;
- verifying authenticity of the ticket information obtained at the obtaining step by comparing contents included in the obtained ticket information and contents included in the user verification information registered in the information processing apparatus;
- retrieving the portable storage medium ID, matched to the portable storage medium ID included in the obtained ticket information, from the user verification information registered in the information processing apparatus when the authenticity of the obtained ticket information is verified at the verification step;
- and
- updating the portable storage medium ID, included in the user verification information registered in the information processing apparatus, with the ID information for the new portable storage medium,
- wherein the obtaining obtains information designating the issuee of the generated ticket information, wherein the issuee can be designated by user operation.