(Java) Generate RSA Public/Private Key Pair and Export to PEM

Java example code showing how to generate an RSA public/private key pair and export to PEM files.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRsa rsa = new CkRsa();

    // Generate a 1024-bit key.  Chilkat RSA supports
    // key sizes ranging from 512 bits to 4096 bits.
    boolean success = rsa.GenerateKey(1024);
    if (success != true) {
        System.out.println(rsa.lastErrorText());
        return;
        }

    // Keys are exported in XML format:
    String publicKeyXml = rsa.exportPublicKey();
    System.out.println(publicKeyXml);

    String privateKeyXml = rsa.exportPrivateKey();
    System.out.println(privateKeyXml);

    // Save the private key in PEM format:
    CkPrivateKey privKey = new CkPrivateKey();
    success = privKey.LoadXml(privateKeyXml);
    success = privKey.SavePemFile("privateKey.pem");

    // Save the public key in PEM format:
    CkPublicKey pubKey = new CkPublicKey();
    success = pubKey.LoadFromString(publicKeyXml);
    success = pubKey.SavePemFile(false,"publicKey.pem");
  }
}