//! use spake2::{Ed25519Group, Identity, Password, SPAKE2};
//! let (s1, outbound_msg) = SPAKE2::<Ed25519Group>::start_symmetric(
//! &Password::new(b"password"),
//! &Identity::new(b"shared id string"));
//! send(&outbound_msg);
//!
//! use spake2::{Ed25519Group, Identity, Password, SPAKE2};
//! let (s1, outbound_msg) = SPAKE2::<Ed25519Group>::start_symmetric(
//! &Password::new(b"password"),
//! &Identity::new(b"shared id string"));
//! send(&outbound_msg);
//!