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Balanced Encoding to Mitigate Power Analysis: A Case Study

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Academic year: 2020

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Figure

Fig. 1. CPA results on output bit 2 of the unprotected Prince S-box and on theHamming weight of the unprotected Prince S-box for the correct key (or correctlypredicted S-box input, index 0) and incorrect keys (or incorrectly predicted inputs, allother indi
Table 2. Performance and cost comparison for the KeyAddition (KA), byte substitution(SB), and the mixing (M) layers for the three analyzed implementations.
Fig. 2. Result of CPA of three Prince implementations on the S-box output. Theunprotected implementation (a) leaks significantly stronger than the two protectedimplementations (b) and (c)
Fig. 4. Mutual information between the state and the leakage for the unprotected (a),Balanced (b), and Double-Balanced (c) implementations during the first round.

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