Software protection device and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 18, 2003
Grant Date -
Dec 27, 2001
app pub date -
Dec 4, 1996
filing date -
Dec 4, 1996
priority date (Note) -
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Abstract
A method and apparatus for protecting computer software from unauthorized execution or duplication using a hardware key is disclosed. The apparatus comprises a means for communicating with the computer to receive command messages from the computer in the hardware key and to provide response messages to the computer, a memory for storing data for translating command messages into response messages enabling software execution, and a processor coupled to the interface port for translating command messages into response messages using the data stored in the memory. The processor further comprises a memory manager, for logically segmenting the memory storing the data into at least one protected segment, and for controlling access to the protected segment.
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