private static void digestSIG(DataByteOutputStream out, SIGRecord sig) {
out.writeShort(sig.getTypeCovered());
out.writeByte(sig.getAlgorithm());
out.writeByte(sig.getLabels());
out.writeUnsignedInt(sig.getOrigTTL());
out.writeInt((int) (sig.getExpire().getTime() / 1000));
out.writeInt((int) (sig.getTimeSigned().getTime() / 1000));
out.writeShort(sig.getFootprint());
sig.getSigner().toWireCanonical(out);
}
void rrToWire(DataByteOutputStream out, Compression c, boolean canonical) {
if (signature == null) return;
out.writeShort(covered);
out.writeByte(alg);
out.writeByte(labels);
out.writeInt(origttl);
out.writeInt((int) (expire.getTime() / 1000));
out.writeInt((int) (timeSigned.getTime() / 1000));
out.writeShort(footprint);
signer.toWire(out, null, canonical);
out.writeArray(signature);
}