Secure wireless electronic-commerce system with wireless network domain
DCFirst Claim
1. A method of conducting transactions in a wireless electronic commerce system comprising 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, where the attribute authority is accessible by a wireless client device via a wireless network, the method comprising:
- establishing a wireless communication between the wireless client device and the attribute authority;
delivering an attribute certificate from the attribute authority to the wireless device;
verifying the attribute authority to the wireless client device using the attribute certificate and the root public key certificate pre-loaded in the wireless client device under authority of the wireless network operator;
delivering an attribute to the wireless client device over the wireless network; and
enabling the attribute at the wireless client device.
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Accused Products
Abstract
A method of conducting transactions in a wireless electronic commerce system, where the system comprises a wireless network operator certification authority (400) having a root public key certificate and at least one attribute authority (404, 405, 406) having a digital certificate that is dependent from the root public key certificate. The attribute authority is accessible by a wireless client device (450, 452) 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.
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Citations
19 Claims
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1. A method of conducting transactions in a wireless electronic commerce system comprising 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, where the attribute authority is accessible by a wireless client device via a wireless network, the method comprising:
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establishing a wireless communication between the wireless client device and the attribute authority;
delivering an attribute certificate from the attribute authority to the wireless device;
verifying the attribute authority to the wireless client device using the attribute certificate and the root public key certificate pre-loaded in the wireless client device under authority of the wireless network operator;
delivering an attribute to the wireless client device over the wireless network; and
enabling the attribute at the wireless client device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of conducting transactions in a wireless electronic commerce system comprising a wireless network operator certification authority having a root public key certificate and at least first and second attribute authorities, having respective first and second digital certificates that are dependent from the root public key certificate, where the attribute authorities are accessible by a wireless client device via a wireless network, the method comprising:
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establishing a wireless communication between the wireless client device and the first attribute authority;
delivering a first attribute to the wireless client device over the wireless network;
generating an electronic voucher verifiable by the second attribute authority;
establishing a wireless communication between the wireless client device and the second attribute authority;
requesting a second attribute from the second attribute authority;
identifying the electronic voucher at the second attribute authority; and
delivering the second attribute from the second attribute authority to the wireless device. - View Dependent Claims (12, 13, 14, 16, 17, 18, 19)
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15. A wireless electronic commerce system comprising:
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a wireless network operator certification authority server having a root public key certificate;
at least one attribute authority server coupleable to the wireless network operator certification authority server, having an attribute certificate that is dependent from the root public key certificate;
a wireless client device having pre-loaded therein the root public key certificate;
a wireless network coupling the wireless client device to the at least one attribute authority server;
verification means in the wireless client device for verifying the attribute certificate to the wireless client device using the root public key certificate pre-loaded in the wireless client device;
means associated with the attribute authority server for sending and means associated with the wireless client device for receiving an attribute over the wireless network; and
means for enabling the attribute at the wireless client device.
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Specification