Method and apparatus for securing access to coding variable in computer program

Method and apparatus for securing access to coding variable in computer program

The present invention relates to a method, an apparatus and a computer program product for securing access to at least one encoded variable (xc) in a computer program having a plurality of encoded variables, wherein each encoded variable (xc) has its own dynamic signature (Dx). In this case, the dyn...

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1. Verfasser: WITTE KARL-HERMANN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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description The present invention relates to a method, an apparatus and a computer program product for securing access to at least one encoded variable (xc) in a computer program having a plurality of encoded variables, wherein each encoded variable (xc) has its own dynamic signature (Dx). In this case, the dynamic signatures (Dx) of the coding variables (xc) are changed in a defined manner when the coding variables (xc) are accessed, the sum value (Sigma Dx) of all the dynamic signatures (Dx) of all the other coding variables (xc) being carried in the coding of the tracking variables (Tracerc), and the sum value (Sigma Dx) carried in the tracking variables (Tracerc) being similarly adapted when the dynamic signature (Dx) of one of the coding variables (xc) is changed, in order to check, the sum of the dynamic signatures (Dx) of the coding variables (xc) is compared with a sum value (Sigma Dx) stored in the coding tracking variables (Tracerc), and error processing is triggered in the event of a difference. This enables h
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Method and apparatus for securing access to coding variable in computer program
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