Concept
Signature numérique
Publications associées (124)
Lattice-Based Blind Signatures: Short, Efficient, and Round-Optimal
We propose a 2-round blind signature protocol based on the random oracle heuristic and the hardness of standard lattice problems (Ring/Module-SIS/LWE and NTRU) with a signature size of 22 KB. The protocol is round-optimal and has a transcript size that can ...
New York2023Making Classical (Threshold) Signatures Post-quantum for Single Use on a Public Ledger
Serge Vaudenay, Laurane Chloé Angélina Marco, Abdullah Talayhan
The Bitcoin architecture heavily relies on the ECDSA signature scheme which is broken by quantum adversaries as the secret key can be computed from the public key in quantum polynomial time. To mitigate this attack, bitcoins can be paid to the hash of a pu ...
2023Global, Passive Detection of Connection Tampering
Louis-Henri Manuel Jakob Merino
In-network devices around the world monitor and tamper with connections for many reasons, including intrusion prevention, combating spam or phishing, and country-level censorship. Connection tampering seeks to block access to specific domain names or keywo ...
New York2023