So the tool runs a known-answer test or a throughput benchmark for AES-GCM, using pre-expanded keys and a version-2 internal engine.
They won’t announce it. You’ll just notice that certain API calls stop being vulnerable to a class of attacks you never knew existed. expn64v2gcm work
Early benchmarks (leaked from a Phoronix test) show a ~12% throughput drop on Broadwell-era Xeons but a surprising on Graviton 4 instances. Mixed bag, but trending positive. So the tool runs a known-answer test or