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Title:
Migration to Post-Quantum Cryptography: From ECDSA to ML-DSA
Authors: Daniel Dinu
Abstract:Cryptography is a fundamental building block of many security features like secure boot, remote attestation, trusted platform module (TPM), memory/disk encryption, and secure communication, providing confidentiality, data integrity, authentication, and non-repudiation. Post-Quantum Cryptography (PQC) marks an important milestone in the history of modern cryptography. It encompasses cryptographic algorithms designed to withstand cryptanalytic attacks from both quantum and classical computers.
Organizations around the world are currently in the process of migrating to the PQC algorithms standardized by the National Institute of Standards and Technologies (NIST). Compared to the previous changes of cryptographic algorithms, the transition to PQC poses new challenges. We exemplify some of them by analyzing implementation attacks (e.g., side-channel and fault injection) and countermeasures applicable to the signature generation of the Elliptic Curve Digital Signature Algorithm (ECDSA), a widely used cryptographic algorithm, and the Module-Lattice-Based Digital Signature Algorithm (ML-DSA), a quantum-resistant algorithm set to replace the former.
ePrint: https://eprint.iacr.org/2025/2025
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