Method signMessage

src/main/java/core/org/xbill/DNS/DNSSEC.java:1074–1095

(Message message, SIGRecord previous, KEYRecord key,
	    PrivateKey privkey, Date inception, Date expiration)

}

static SIGRecord
signMessage(Message message, SIGRecord previous, KEYRecord key,
	    PrivateKey privkey, Date inception, Date expiration)
	throws DNSSECException
{
	int alg = key.getAlgorithm();
	checkAlgorithm(privkey, alg);

	SIGRecord sig = new SIGRecord(Name.root, DClass.ANY, 0, 0,
					    alg, 0, expiration, inception,
					    key.getFootprint(),
					    key.getName(), null);
	DNSOutput out = new DNSOutput();
	digestSIG(out, sig);
	if (previous != null)
		out.writeByteArray(previous.getSignature());
	out.writeByteArray(message.toWire());

	sig.setSignature(sign(privkey, key.getPublicKey(),
			      alg, out.toByteArray(), null));
	return sig;
}

static void
verifyMessage(Message message, byte [] bytes, SIGRecord sig, SIGRecord previous,