System and method for controlling usage of software on...

Details System and method for controlling usage of software on... System and method for controlling usage of software on...

2007-05-08

2007-05-08

Jung, David (Department: 2134)

Electrical computers and digital processing systems: support

System access control based on user identification by...

Using record or token

C713S182000, C713S168000

Reexamination Certificate

active

10609956

ABSTRACT:
Described is a method and system for controlling usage of software on a computing device. An authorization key is generated as a function of a device string and a software string. The device string is a unique string stored in the device. The software string is a unique string stored in a software authorized for use on the device. The authorization key is encrypted using a private key and stored in the device. Upon a request to use software on the device, the authorization key is decrypted using a public key corresponding to the private key. A test key is generated as a function of the device string and a request software string. The request software string is a unique string stored in the software for which use has been requested. The authorization key is compared to the test key. When the test key matches the authorization key, usage of the software for which use has been requested on the device is permitted.

REFERENCES:
http://www.verisign.com/products-services/security-services/pki/index.html.
An authentication technique based on distributed security management for the global mobility network Suzuki, S.; Nakada, K.; Selected Areas in Communications, IEEE Journal on vol. 15, Issue 8, Oct. 1997 pp. 1608-1617.
An improved authenticated key agreement protocol with perfect forward secrecy for wireless mobile communication Ai-fen Sui; Hui, L.C.K.; Yiu, S.M.; Chow, K.P.; Tsang, W.W.; Chong, C.F.; Pun, K.H.; Chan, H.W.; Wireless Communications and Networking Conference, 2005 IEEE vol. 4, Mar. 13-17, 2005 pp. 2088-2093 vol. 4.

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