Stateful Hash-Based Signatures - Practical Enhancements and Lessons Learned

Explore practical enhancements and real-world lessons for implementing stateful hash-based signatures in this 30-minute conference talk. Learn how stateful hash-based signatures offer the optimal balance of maturity and efficiency while requiring secure state management. Discover techniques to bridge the gap between stateful and stateless signature schemes through high-level automation built on secure distributed state handling. Examine detailed strategies for increasing efficiency by distributing key generation processes and outsourcing public authentication path computation to trusted external modules. Understand how to create a highly agile architecture that maximizes flexibility throughout the entire lifecycle of cryptographic use cases while maintaining the security and maturity advantages of stateful hash-based signatures. Gain insights from practical implementation experiences and lessons learned in post-quantum cryptography deployment scenarios.