Method for making secure one or several computer installations using a common secret key algorithm, use of the method and a computer system utilizing the method
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United States of America Patent
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May 23, 2006
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N/A
app pub date -
Apr 7, 2000
filing date -
Apr 9, 1999
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Abstract
The invention relates to a method for protecting one or more computer systems using the same secret key (Ks) cryptographic algorithm, characterized in that the way in which said calculation is performed depends, for each computer system and for each secret key, on secret data (Ds) stored in a secret area of the computer system or systems.
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