Method for controlling distribution and use of software...

Details Method for controlling distribution and use of software... Method for controlling distribution and use of software...

2005-02-01

2005-02-01

Trammell, James P. (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C705S051000, C705S054000, C705S056000, C705S058000

Reexamination Certificate

active

06850915

ABSTRACT:
The distribution in controlled by means of central certificates acting as a link between the authorization granted to various users and the right-of-access code allocated to the software products in connection with a special separated control program. The certificates are issued to users on request and intended for calling the wanted software products. Such certificates can be supplemented with distinct control functions. Said functions are executed by the control program, which is supplemented accordingly, especially for recording data on the utilization volume. The invention also relates to the following items: key safety, use of a chip card, integrated copy protection.

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Virtual Reuse Library: initial implemetation through interoperability. Author (s): Carvell, C.; Qiang Lin-p. 160-4; Publisher : IEEE Comput. Soc Press, Los Alamitos, CA, USA- Publication Date: 1994- USA-ISBN: 0 8186 5705 7.

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