Method for detecting that a protected software program is cracked
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United States of America Patent
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N/A
Issued Date -
Aug 28, 2008
app pub date -
Feb 22, 2007
filing date -
Feb 22, 2007
priority date (Note) -
Abandoned
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Abstract
A method for determining if a software program having a protective envelope has been cracked, and signaling an indication thereof. A direct determination is made of whether the protective envelope is intact or has been compromised by an attack, without requiring a license violation to occur. Executable code in the protective envelope generates an envelope confirmation which is validated by executable code in the program itself. Any disabling or separation of the envelope from the program will be detectable by the program at validation time. Provisions are made for a secure envelope confirmation, the use of arguments as input to the confirmation generation, and for incorporating information related to the computer and user to facilitate identifying the attacker. Signaled indications can include network messaging to alert the licensor that the program has been cracked.
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