{
Security.addProvider(new BouncyCastleProvider());
if (args.length == 1)
{
PGPPublicKeyRing ring = new PGPPublicKeyRing(PGPUtil.getDecoderStream(new FileInputStream(args[0])), new JcaKeyFingerprintCalculator());
PGPPublicKey key = ring.getPublicKey();
// iterate through all direct key signautures and look for NotationData subpackets
Iterator iter = key.getSignaturesOfType(PGPSignature.DIRECT_KEY);
while(iter.hasNext())
{
PGPSignature sig = (PGPSignature)iter.next();
System.out.println("Signature date is: " + sig.getHashedSubPackets().getSignatureCreationTime());
NotationData[] data = sig.getHashedSubPackets().getNotationDataOccurences();//.getSubpacket(SignatureSubpacketTags.NOTATION_DATA);
for (int i = 0; i < data.length; i++)
{
System.out.println("Found Notaion named '"+data[i].getNotationName()+"' with content '"+data[i].getNotationValue()+"'.");
}
}
}
else if (args.length == 5)
{
// gather command line arguments
PGPSecretKeyRing secRing = new PGPSecretKeyRing(PGPUtil.getDecoderStream(new FileInputStream(args[0])), new JcaKeyFingerprintCalculator());
String secretKeyPass = args[1];
PGPPublicKeyRing ring = new PGPPublicKeyRing(PGPUtil.getDecoderStream(new FileInputStream(args[2])), new JcaKeyFingerprintCalculator());
String notationName = args[3];
String notationValue = args[4];
// create the signed keyRing
PGPPublicKeyRing sRing = new PGPPublicKeyRing(new ByteArrayInputStream(signPublicKey(secRing.getSecretKey(), secretKeyPass, ring.getPublicKey(), notationName, notationValue, true)), new JcaKeyFingerprintCalculator());
ring = sRing;
// write the created keyRing to file
ArmoredOutputStream out = new ArmoredOutputStream(new FileOutputStream("SignedKey.asc"));
sRing.encode(out);