Verify Java Signature

Demonstrates how to verify a digital signature produced by Java.
The Java code that produces a digital signature that can be verified with
this Chilkat example is found at: http://www.cknotes.com/?p=283

 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[])
  {

    CkPublicKey pubKey = new CkPublicKey();

    boolean success;

    //  Load an RSA public key from an ASN.1 DER file
    success = pubKey.LoadRsaDerFile("pubKey.der");

    if (success != true) {
        System.out.println(pubKey.lastErrorText());
        return;
    }

    String pkeyXml;
    //  Get the public key in XML format:
    pkeyXml = pubKey.getXml();

    CkRsa rsa = new CkRsa();

    //  Any string argument automatically begins the 30-day trial.

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

    //  Import the public key into the RSA component:
    success = rsa.ImportPublicKey(pkeyXml);
    if (success != true) {
        System.out.println(rsa.lastErrorText());
        return;
    }

    rsa.put_EncodingMode("base64");

    String strData;
    strData = "The quick brown fox jumps over the lazy dog";

    //  IMPORTANT:  This Base64 signature will have to be updated
    //  with the digital signature produced by the Java code at:
    //  http://www.cknotes.com/?p=283
    String base64Sig;
    base64Sig = "VGV5A+bodHBpBwwJZdf17Bv+lkBTm/gteOf8iCgEEfNzBosZLaAB8X55BIZIkE2zKRXoMcJT+iCxsj+1hnlwJeKZ+Gya58lrHw6NWm2N0O/KyfnuEzADOM86X0xrkgdFT6SYpbZ9dWPC59NiHeEdVyjOXNJ3fBpUSQ5/5pvVWm0=";

    //  Verify the signature produced by the Java code at:
    //  http://www.cknotes.com/?p=283
    //  The VerifyStringENC method hashes the input data and verifies
    //  the hash against the signature.
    success = rsa.VerifyStringENC(strData,"sha-1",base64Sig);
    //  Is the signature verified?
    if (success == true) {
        System.out.println("Signature Verified!");
    }
    else {
        System.out.println("Signature not verified!");
    }


  }
}