React Native

Export a Public Key as XML

Demonstrates the Chilkat PublicKey.GetXml method, which returns the public key in Chilkat XML format. It takes no arguments; the exact representation (for example an RSAPublicKey element) depends on the key type.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: The XML key format comes from the .NET/XML-DSIG world; exporting to it lets you hand a public key to .NET code or a system built around XML signatures. It is the inverse of LoadXml-style loading. Because a public key is not secret, this XML can be shared freely.

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React Native

import { PublicKey } from '@chilkat/react-native'

function chilkatExample() {
  // Load a public key to export.  LoadFromFile inspects the content, so it accepts DER, PEM, XML,
  // JWK, and other supported representations.
  const pubKey = new PublicKey();
  try {
    pubKey.loadFromFile('qa_data/public.pem');
  } catch {
    console.log(pubKey.lastErrorText);
    return;
  }

  // Export the public key in Chilkat XML format.  The representation depends on the key type (for
  // example an RSAPublicKey element for RSA).
  let xml: string;
  try {
    xml = pubKey.getXml();
  } catch {
    console.log(pubKey.lastErrorText);
    return;
  }

  console.log(xml);
}