code: func (api *HandshakeAPI) GetHandshakePublicKey(symkeyid string) (string, error) {
  	storekey := api.ctrl.getSymKey(symkeyid)
  	if storekey == nil {
  		return "", fmt.Errorf("invalid symkey id %s", symkeyid)
  	}
  	return *storekey.pubKeyID, nil
  }
docs: // Returns the byte representation of the public key in ascii hex
  // associated with the given symmetric key