Go implementation of OPAQUE (RFC 9807), the asymmetric password-authenticated key exchange protocol.

OPF framework for shared keys built from sensitive data

Browser-based OPAQUE aPAKE demo (RFC 9807, July 2025) — OPRF blind/evaluate/unblind, AES-256-GCM credential envelope, 3DH mutual authentication, server breach simulation. The password never touches the server. No backends. No simulated math.