docs: @Override
    public final PublicKey lazyGetOurPublicKey() throws Exception {
      if (this.ourPublicKey == null && lazyGetKeystore() != null) {
        this.ourPublicKey = this.keyStore.getCertificate("AJettyFileExch"
          + this.ajettyIn).getPublicKey();
      }
      return this.ourPublicKey;
    }