Function masking apparatus in symmetric cryptographic algorithm for preventing side channel attacks and method thereof

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United States of America Patent

PATENT NO 9577821
SERIAL NO

14680320

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Abstract

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Disclosed is a function masking apparatus in a symmetric cryptographic algorithm for preventing side channel attacks, including: a controller creating lookup tables for one or more internal functions included in a high security and light weight (HIGHT) algorithm, respectively based on a plurality of non-linear functions, a plurality of linear functions, and a plurality of constants which are randomly generated; and a storage unit storing the lookup tables for one or more internal functions included in the generated HIGHT algorithm.

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Patent Owner(s)

  • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Doo Ho Cheonan-si, KR 35 244
Kim, Tae Sung Daejeon, KR 115 866

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