Process for generating a check word for a bit sequence for verifying the integrity and authenticity of the bit sequence
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United States of America Patent
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Mar 28, 2000
Grant Date -
N/A
app pub date -
Dec 16, 1997
filing date -
Feb 29, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method is intended for the generation of a check word for a bit string to check the integrity and authenticity of the bit string, the bit string comprising at least one data set consisting of a plurality of data words, each having the same word length defined by a number of bits. Here, a random number is generated for each data word, the number having the same number of bits as the data words. Further, first and second operand pairs are generated, each consisting of a data word and a random number. The data word and the random number of each first operand pair are subjected to a first linking operation, while the data word and the random number of each second operand pair is subjected to a second linking operation. The results of all operations applied to the first and second operand pairs are linked, the result of this linking being the check word of this data set.
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