Unified Field Multiplier for ECC: Inherent Resistance against Horizontal SCA Attacks
This addresses security vulnerabilities in cryptographic implementations for systems requiring protection against side-channel analysis, though it appears incremental as it builds on existing Karatsuba methods.
The paper tackled the problem of securing elliptic curve cryptography (ECC) against horizontal side-channel attacks by introducing a unified field multiplier based on the 4-segment Karatsuba multiplication method, resulting in inherent resistance to such attacks.
In this paper we introduce a unified field multiplier for the EC kP operation in two different types of Galois fields. The most important contributions of this paper are that the multiplier is based on the 4-segment Karatsuba multiplication method and that it is inherent resistant against selected horizontal attacks.