Software security system using remove function to restrict unauthorized duplicating and installation of an application program
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 23, 2000
Grant Date -
N/A
app pub date -
Jan 2, 1996
filing date -
Jan 2, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a software-based system and method for restricting unlicensed software duplication and installation. The invention features a software security system using a remove function for restricting unauthorized duplication and installation of an application program onto one or more data processing systems. The software security system includes an installation program and an application program. The application program as written is 'un-runnable' owing to nonsense instruction sets dispersed throughout the actual programming instructions of the application program. An installation program routine comprises software instruction sets for removing the nonsense instruction sets in the application program. The software security system executes an instruction set to delete the nonsense instruction sets upon installation of the application program into one or more data processing systems thereby allowing application program to be executed once loaded onto the system(s), upon correspondence between an internal run key and an execution-time run key.
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