Post-Quantum Authentication for NB-IoT TinyLM Updates

Construct a post-quantum authentication or batch-signature protocol that fits NB-IoT payload and latency constraints while securely authenticating federated TinyLM model updates across multiple rounds.

Background

Standard post-quantum signatures such as ML-DSA produce signatures substantially larger than the 48–125-byte payloads available to constrained NB-IoT devices. Sending such signatures over NB-IoT can impose authentication delays far beyond 6G low-latency requirements.

The paper identifies batch-signature amortization as a possible direction, but leaves unresolved how to balance signature cadence, latency, payload limits, and the security window shared by multiple update rounds.

References

The research question is not whether a batch-signature scheme can be built --- that technique already exists in the cryptography literature --- but how to amortize a single signature over multiple federated TinyLM update rounds specifically, a system-design problem this survey's evidence base does not yet answer.

— Closing the Semantic-Edge Gap: Tiny Language Models for 6G Wireless Intelligence  (2609.03747 - Kamath et al., 3 Sep 2026) in Challenge 3, Section 8