Microchip Technology Incorporated
OBFUSCATING CRYPTOGRAPHIC PARAMETERS USED IN ELLIPTICAL CURVE CRYPTOGRAPHY, AND RELATED SYSTEMS AND DEVICES

Abstract:

An obfuscation process is described for obfuscating a cryptographic parameter of cryptographic operations such as calculations used in elliptical curve cryptography and elliptical curve point multiplication. Such obfuscation processes may be used for obfuscating device characteristics that might otherwise disclose information about the cryptographic parameter, cryptographic operations or a cryptographic operations more generally, such as information sometimes gleaned from side channel attacks and lattice attacks.