DSA Public Key PEM to DER Conversion

Converts a DSA public key from PEM format to DER.

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

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[])
  {
    boolean success;

    CkDsa dsa = new CkDsa();

    success = dsa.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
    }

    //  Load a PEM public key.
    String pemPublicKey;
    pemPublicKey = dsa.loadText("dsa_pub.pem");
    //  Import the public key PEM into the DSA object.
    success = dsa.FromPublicPem(pemPublicKey);
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
    }

    //  Write it out as a DER file:
    success = dsa.ToPublicDerFile("dsa_pub.der");
    if (success != true) {
        System.out.println(dsa.lastErrorText());
        return;
    }

    System.out.println("Finished!");
  }
}