Rajiv M Mehta

US Patent:

6463534, Oct 8, 2002

Filed:

Mar 26, 1999

Appl. No.:

09/276978

Inventors:

Robert L. Geiger - Algonquin IL
Rajiv Mehta - Plantation FL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

G06F 124

US Classification:

713168, 713169, 713175, 705 50, 705 76, 380278, 380282

Abstract:

A method of conducting transactions in a wireless electronic commerce system, where the system comprises a wireless network operator certification authority ( ) having a root public key certificate and at least one attribute authority ( ) having a digital certificate that is dependent from the root public key certificate. The attribute authority is accessible by a wireless client device ( ) via a wireless network. The digital certificate is delivered from the attribute authority to the wireless device, the attribute authority is verified to the wireless client device using the digital certificate and the root public key certificate pre-loaded in the wireless client device under authority of the wireless network operator. An attribute (software, service, right/permission or other content item) is delivered to the wireless client device over the wireless network and ultimately enabled at the wireless client device.