Computer software security system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 18, 1987
Grant Date -
N/A
app pub date -
May 30, 1985
filing date -
May 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A computer software security system for restricting execution of a computer program to a particular machine, including means for storing a machine identification code in the program and means for determining the presence of the machine identification code in the means for storing during execution of the program. A machine identification code unique to the machine is retrieved and compared with the machine identification code in the program. The system prevents further execution of the program unless both codes are present and match.
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