3 papers
cs.CR2026
The Supersingular Isogeny Problem in Time and Memory , Unconditionally
José Luis Delgado
Given a supersingular elliptic curve , the problem asks for a non-scalar endomorphism of . By known reductions, solving this problem also s…
cs.CR2026
Full-Key Recovery and Forgery from One MQOM v2.1 Signature
José Luis Delgado
We give a full-key-recovery attack on MQOM v2.1, a Round-3 candidate in the NIST additional-signature process, that recovers the complete signing key from one accepted signature an…
cs.CR2026
Observability for Post-Quantum TLS Readiness: A Multi-Surface Evidence Framework
José Luis Delgado
Post-quantum migration in Transport Layer Security (TLS) requires evidence-aware measurements that distinguish session negotiation, endpoint capability, certificate-chain evidence,…