code: func (k *Kite) KontrolKey() *rsa.PublicKey {
  	k.configMu.RLock()
  	defer k.configMu.RUnlock()
  
  	return k.kontrolKey
  }
docs: // KontrolKey gives a Kontrol's public key.
  //
  // The value is taken form kite key's kontrolKey claim.