How to counter the side-channel attack

摘要

PROBLEM TO BE SOLVED: To provide a countermeasure against side channel attacks which is constituted to execute a block-cipher algorithm for masking intermediate variables, the block-cipher algorithm comprising one or more non-linear functions.;SOLUTION: The problem is solved by implementing at least one of the one or more non-linear functions using a match-in-place function.;COPYRIGHT: (C)2013,JPO&INPIT