Protecting computer software
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 18, 2003
app pub date -
Mar 4, 2003
filing date -
Mar 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Software is protected by providing an incomplete copy for loading into RAM 30. One or more blocks of code 32 are missing. The choice and location of the missing code 32 is preferably substantially random. Thus, the RAM portion 30 contains an incomplete copy of the protected software, lacking additional code to be executable. The code which is missing at 32 is located elsewhere, indicated at (36), and maybe within or external to the computer 10. A control routine 34 is operable to retrieve the missing code 32 from the location 36 when the protected software is to be executed, and to incorporate the additional code into the protected software at 32, to render the protected software fully executable.
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