System and method for providing defence to a cryptographic device against side-channel attacks targeting the extended euclidean algorithm during decryption operations

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United States of America Patent

PATENT NO 9992013
APP PUB NO 20170279600A1
SERIAL NO

15078869

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Abstract

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A system, method and computer-readable storage medium for decrypting a code c using a modified Extended Euclidean Algorithm (EEA) having an iteration loop independent of the Hamming weight of inputs to the EEA and performing a fixed number of operations regardless of the inputs to the EEA thereby protecting a cryptographic device performing the decryption from side-channel attacks.

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Patent Owner(s)

Patent OwnerAddress
THALES DIS FRANCE SAS92190 MEUDON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Portzamparc Frederic Paris, FR 1 3
Georgieva, Mariya Meudon, FR 12 43

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