COUNTERMEASURE METHOD AND DEVICES FOR ASYMMETRICAL CRYPTOGRAPHY WITH SIGNATURE DIAGRAM

A countermeasure method in an electronic component implementing an asymmetric private key encryption algorithm includes generating a first output data, using a primitive, and a protection parameter, transforming, using the protection parameter, at least one element of a set consisting of the private...

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Bibliographic Details
Main Authors NEROT SEBASTIEN, BENTEO BRUNO, FEIX BENOIT
Format Patent
LanguageEnglish
Korean
Published 03.11.2010
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A countermeasure method in an electronic component implementing an asymmetric private key encryption algorithm includes generating a first output data, using a primitive, and a protection parameter, transforming, using the protection parameter, at least one element of a set consisting of the private key and an intermediate parameter obtained from the first output data, to respectively supply first and second operands, and generating, from an operation involving the first and second operands, a second output data.
Bibliography:Application Number: KR20107017062