05864620 is referenced by 158 patents and cites 34 patents.

A system and method and system for controlling distribution of software to an user in a multitiered distribution chain. The system includes at least one entity that distributes the software in a locked software container, and includes means for receiving a request from the user to use the software. The method and system further includes a license clearing house for controlling usage rights of the software. The license clearing house includes means for receiving the request from the at least one entity, means for validating the request, means for generating a unique authentication certificate if the request was validated, and means for sending a reply to the user. The reply includes the authentication certificate and a master key, where the master key unlocks the software container and enables the user to use the software, and the authentication certificate identifies the user as an authorized user of the software.

Title
Method and system for controlling distribution of software in a multitiered distribution chain
Application Number
8/638949
Publication Number
5864620
Application Date
April 24, 1996
Publication Date
January 26, 1999
Inventor
John Philip Pettitt
Los Altos
CA, US
Agent
Sawyer & Associates
Assignee
Cybersource Corporation
CA, US
IPC
H04L 9/00
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