void
rrFromWire(DNSInput in) throws IOException {
	covered = in.readU16();
	alg = in.readU8();
	labels = in.readU8();
	origttl = in.readU32();
	expire = new Date(1000 * in.readU32());
	timeSigned = new Date(1000 * in.readU32());
	footprint = in.readU16();
	signer = new Name(in);
	signature = in.readByteArray();
}
The base class for SIG/RRSIG records, which have identical formats 

@author Brian Wellington
src/main/java/core/org/xbill/DNS/SIGBase.java