NTS: Authenticated Time at Meta

What happened

NTS: Authenticated Time at Meta, Meta Engineering announced. Meta’s public time service now speaks NTS (Network Time Security, RFC 8915) at nts.meta.com. The post NTS: Authenticated Time at Meta appeared first on Engineering at Meta .

NTP has been unauthenticated since 1985, like a lot of the internet’s foundational protocols. But it is also the one every certificate, token, and signature is checked against. The client sends 48 bytes, something sends 48 bytes back, and the client believes it.