public PublicKey
getPublicKey() throws DNSSEC.DNSSECException {
	if (publicKey != null)
		return publicKey;

	publicKey = DNSSEC.toPublicKey(this);
	return publicKey;
}
Returns a PublicKey corresponding to the data in this key.
@throws DNSSEC.DNSSECException The key could not be converted.
src/main/java/core/org/xbill/DNS/KEYBase.java