pub(super) fn agree_ephemeral(
priv_key: EphemeralPrivateKey,
peer_key: &UnparsedPublicKey<&[u8]>,
) -> Result<SharedSecret, ()>
pub(super) fn agree_ephemeral(
priv_key: EphemeralPrivateKey,
peer_key: &UnparsedPublicKey<&[u8]>,
) -> Result<SharedSecret, ()>