Last year, I thought we still had time to design PQ auth systems. Now, based on the pace of progress and on statements like Google's, I believe 1. we need to finish rolling out PQ kex yesterday 2. we need to start rolling out PQ auth now 3. it's too late to ship any new non-PQ design or system
Quantum frontiers may be closer than they appear
An overview of how Google is accelerating its timeline for post-quantum cryptography migration.
blog.google