Method and system for copy protection of displayed data content
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United States of America Patent
Stats
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Jan 31, 2006
Grant Date -
Jun 20, 2002
app pub date -
Nov 28, 2001
filing date -
Jun 14, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for altering text displayed in a formatted page, including locating a buffer of memory locations containing contents of a formatted page, locating a first text string between two markers within the buffer, the first string being an encrypted text string including N characters, replacing the first text string with a second text string, the second string being a decrypted text string including M characters, where M is less than N, and inserting N-M special fill characters in the N-M unfilled memory locations between the markers, so as to avoid the need to move the markers closer together.
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