Package org.xbill.DNS

Class TSIG.StreamGenerator

java.lang.Object

org.xbill.DNS.TSIG.StreamGenerator

Enclosing class:

TSIG

public static class TSIG.StreamGenerator
extends Object

A utility class for generating signed message responses.

Since:

3.5.3

Field Summary

Fields

Modifier and Type	Field	Description
private final TSIG	key
private TSIGRecord	lastTsigRecord
private int	numGenerated
private final Mac	sharedHmac
private final int	signEveryNthMessage

Constructor Summary

Constructors

Constructor	Description
StreamGenerator(TSIG key, TSIGRecord queryTsig)	Creates an instance to sign multiple message for use in a stream.
StreamGenerator(TSIG key, TSIGRecord queryTsig, int signEveryNthMessage)	This constructor is only for unit-testing TSIG.StreamVerifier with responses where not every message is signed.

Method Summary

Modifier and Type	Method	Description
void	generate(Message message)	Generate TSIG a signature for use of the message in a stream.
(package private) void	generate(Message message, boolean isLastMessage)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

key

private final TSIG key

sharedHmac

private final Mac sharedHmac

signEveryNthMessage

private final int signEveryNthMessage

numGenerated

private int numGenerated

lastTsigRecord

private TSIGRecord lastTsigRecord

Constructor Details

StreamGenerator

public StreamGenerator(TSIG key,
 TSIGRecord queryTsig)

Creates an instance to sign multiple message for use in a stream.

This class creates a TSIGRecord on every message to conform with RFC 8945, 5.3.1.

Parameters:

key - The TSIG key used to create the signature records.

queryTsig - The initial TSIG records, e.g. from a query to a server.

StreamGenerator

StreamGenerator(TSIG key,
 TSIGRecord queryTsig,
 int signEveryNthMessage)

This constructor is only for unit-testing TSIG.StreamVerifier with responses where not every message is signed.

Method Details

generate

public void generate(Message message)

Generate TSIG a signature for use of the message in a stream.

Parameters:

message - The message to sign.

generate

void generate(Message message,
 boolean isLastMessage)