code: func NewKeyReadWriter(paths CertPaths, kek []byte, headersObj PEMKeyHeaders) *KeyReadWriter {
  	return &KeyReadWriter{
  		kekData:      KEKData{KEK: kek},
  		paths:        paths,
  		headersObj:   headersObj,
  		keyFormatter: keyutils.Default,
  	}
  }
docs: // NewKeyReadWriter creates a new KeyReadWriter