A COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR EMBEDDING AND AUTHENTICATING ANCILLARY INFORMATION IN DIGITALLY SIGNED CONTENT
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United States of America Patent
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app pub date -
Feb 14, 2008
filing date -
May 20, 2005
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Abandoned
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Abstract
A computer-implemented system and method for embedding and authenticating ancillary information in digitally signed content are disclosed. The method and system include loading digital content containing a digitally signed executable into memory for execution, while checking for the integrity of a digital signature and the contents of the executable; and erasing any non-authenticated regions of the digital content by zeroing out or value-filling memory locations corresponding to the non-authenticated regions.
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