How I approach post-quantum migration
Most migration conversations start with algorithms. I start with systems, constraints, and risk.
Core principle
Post-quantum cryptography is not just a drop-in replacement. It changes performance characteristics, key sizes, protocol behavior, and operational assumptions.
Because of this, I treat migration as a system design problem — not only a cryptographic one.
Working method
1. Current state first
Before recommending any change, I focus on understanding where cryptography is actually used, what depends on it, and what cannot be broken during transition.
2. Risk over novelty
Not every system needs the newest algorithm immediately. I prioritize based on data lifespan, exposure, and real operational impact.
3. Design for coexistence
Classical and post-quantum cryptography will need to run together for years. Hybrid designs and phased rollouts are usually more realistic than sudden cuts.
4. Validate early
I prefer testing patterns in controlled conditions before any wide deployment. Performance, compatibility, and failure behavior should be understood early.
What I deliberately avoid
- –Treating PQC as a simple library upgrade
- –Pushing adoption without understanding system constraints
- –Over-promising timelines or performance characteristics
- –Ignoring operational reality in favor of theoretical purity
The goal is not to migrate everything as fast as possible. The goal is to migrate the right things, in the right order, without creating new risk.
Discuss your context