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Function masking apparatus in symmetric cryptographic algorithm for preventing side channel attacks and method thereof
Function masking apparatus in symmetric cryptographic algorithm for preventing side channel attacks and method thereof
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机译:对称密码算法中防止侧信道攻击的功能屏蔽装置及其方法
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摘要
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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