DPA-style Attacks on VOLE-in-the-Head Signature Schemes

본문 미리보기

VOLE-in-the-Head (VOLEitH) has emerged as a promising paradigm for the design of post-quantum signatures, as it enables efficient signing and verification while also achieving small signature sizes. In the ongoing NIST PQC standardization process for additional digital signatures, two VOLEitH signature schemes, namely FAEST and SDitH, have advanced to the third round. Regarding their practical security, especially resistance to power side-channel attacks, existing studies have focused on only a