func WriteProtobuf(conn *transport.Conn, message *proto.ClientToServer) error {
unpadMsg, err := protobuf.Marshal(message)
if err != nil {
return err
}
_, err = conn.WriteFrame(proto.Pad(unpadMsg, proto.SERVER_MESSAGE_SIZE))
return err
}
func writeProtobuf(conn *transport.Conn, outBuf []byte, message *proto.ClientToServer, t *testing.T) {
unpadMsg, err := protobuf.Marshal(message)
handleError(err, t)
padMsg := proto.Pad(unpadMsg, proto.SERVER_MESSAGE_SIZE)
copy(outBuf, padMsg)
conn.WriteFrame(outBuf[:proto.SERVER_MESSAGE_SIZE])
}
func (server *Server) writeProtobuf(conn *transport.Conn, outBuf []byte, message *proto.ServerToClient) error {
unpadMsg, err := protobuf.Marshal(message)
if err != nil {
return err
}
padMsg := proto.Pad(unpadMsg, proto.SERVER_MESSAGE_SIZE)
copy(outBuf, padMsg)
conn.WriteFrame(outBuf[:proto.SERVER_MESSAGE_SIZE])
return nil
}
func EncryptAuthFirst(message []byte, skAuth *[32]byte, userKey *[32]byte, prt ProfileRatchet) ([]byte, *ratchet.Ratchet, error) {
ratch := &ratchet.Ratchet{
FillAuth: FillAuthWith(skAuth),
CheckAuth: CheckAuthWith(prt),
}
out := append([]byte{}, (*userKey)[:]...)
paddedMsg := proto.Pad(message, proto.MAX_MESSAGE_SIZE-ENCRYPT_FIRST_ADDED_LEN-len(out))
out = ratch.EncryptFirst(out, paddedMsg, userKey)
return out, ratch, nil
}
func EncryptAuth(message []byte, ratch *ratchet.Ratchet) ([]byte, *ratchet.Ratchet, error) {
paddedMsg := proto.Pad(message, proto.MAX_MESSAGE_SIZE-ENCRYPT_ADDED_LEN)
out := ratch.Encrypt(nil, paddedMsg)
return out, ratch, nil
}