2 papers
cs.CR2026
Exploiting Load/Store Leakage of Sparse Vectors for Key Recovery in HQC
Gustavo Banegas, Benjamin Smith, Jad Zahreddine
Hamming Quasi-Cyclic (HQC) is a code-based key encapsulation mechanism selected by NIST for standardization, making its resistance to implementation attacks critically important. W…
cs.CR2025
Compressed verification for post-quantum signatures with long-term public keys
Gustavo Banegas, Anaëlle Le Dévéhat, Benjamin Smith
Many signature applications-such as root certificates, secure software updates, and authentication protocols-involve long-lived public keys that are transferred or installed once a…