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The LSI design methodology against Differential Power Analysis (DPA) is important to realize a tamper-resistant cryptographic circuit. In order to verify the DPA resistance before ASIC fabrication, the DPA verification using FPGA is commonly used. However, power traces of ASIC differ from that of FPGA, so the DPA verification on FPGA cannot guarantee the DPA resistance on ASIC. On the other hand,...
Editors' note:This article presents the design of a cryptographic chip using a globally asynchronous, locally synchronous (GALS) design methodology. The design demonstrates the key advantage of using asynchrony in cryptography: the randomization of event timing internal to the chip leads to a dramatic increase in its robustness to side-channel attacks based on power and electromagnetic emission signatures...
Security at low cost is an important factor for cryptographic hardware implementations. Unfortunately, the security of cryptographic implementations is threatened by Side Channel Analysis (SCA). SCA attempts to discover the secret key of a device by exploiting implementation characteristics and bypassing the algorithm's mathematical security. Differential Power Analysis (DPA) is a type of SCA, which...
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