Achieve first working Announce registration for Guests

libbonknet/src/lib.rs

@@ -57,6 +57,21 @@ pub enum FromGuestServerMessage {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub enum ToGuestServerMessage {
-    OkAnnounce {},
-    FailedAnnounce { status_code: u32, msg: Option<String> },  // TODO: make it better?
+    OkAnnounce {server_cert: Vec<u8>, server_prkey: Vec<u8>},
+    FailedNameAlreadyOccupied,
+}
+
+pub fn okannounce_to_cert<'a>(server_cert: Vec<u8>, server_prkey: Vec<u8>) -> (CertificateDer<'a>, PrivatePkcs8KeyDer<'a>) {
+    let server_cert = CertificateDer::from(server_cert);
+    let server_prkey = PrivatePkcs8KeyDer::from(server_prkey);
+    (server_cert, server_prkey)
+}
+
+impl ToGuestServerMessage {
+    pub fn make_okannounce(server_cert: CertificateDer, server_prkey: PrivatePkcs8KeyDer) -> Self {
+        ToGuestServerMessage::OkAnnounce{
+            server_cert: server_cert.to_vec(),
+            server_prkey: server_prkey.secret_pkcs8_der().to_vec()
+        }
+    }
 }