Device and method for protection against stack overflow and franking machine using same
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United States of America Patent
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Sep 9, 2003
Grant Date -
N/A
app pub date -
May 24, 2001
filing date -
Nov 24, 1998
priority date (Note) -
Expired
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Abstract
The invention concerns a method for protecting sensitive data against overflow in a stack, memory space reserved for part of a program. Said method comprises an operation which consists in assigning a stack to each program part, during which the most upstream stack relatively to the displacement direction of an indicator in a stack, is assigned a task for operating on said sensitive data. Preferably, said method comprises the execution of a single task operating on said sensitive data.
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