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The Wave Dynamic Differential Logic (WDDL) has been identified as a promising countermeasure to increase the robustness of cryptographic devices against Differential Power Attacks (DPA). However, to guarantee the effectiveness of WDDL technique, the routing in both the direct and complementary paths must be balanced. This paper tackles the problem of unbalance of dual-rail signals in WDDL design....
The Wave Dynamic Differential Logic (WDDL) is a promising countermeasure to protect cryptographic devices from Differential Power Attacks (DPA). But the key challenge is to maintain symmetry between dual networks, so as to obtain equal propagation delays and power consumption on differential signals. In this paper, we deal with the problem of timing unbalance. We study the impact of different placement...
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