Author: nextgens
Date: 2007-10-22 11:28:56 +0000 (Mon, 22 Oct 2007)
New Revision: 15472
Modified:
trunk/freenet/src/freenet/node/FNPPacketMangler.java
Log:
JFK:
Renew DH Exponentials once every 15mins if we aren't connected yet.
Modified: trunk/freenet/src/freenet/node/FNPPacketMangler.java
===================================================================
--- trunk/freenet/src/freenet/node/FNPPacketMangler.java 2007-10-22
11:22:47 UTC (rev 15471)
+++ trunk/freenet/src/freenet/node/FNPPacketMangler.java 2007-10-22
11:28:56 UTC (rev 15472)
@@ -508,8 +508,11 @@
*/
private void sendJFKMessage1(PeerNode pn, Peer replyTo) {
if(logMINOR) Logger.minor(this, "Sending a JFK(1) message to
"+pn);
- if(pn.jfkContext == null) // get a new DH exponents only if
needed
+ final long now = System.currentTimeMillis();
+ if((pn.jfkContext == null) || ((pn.jfkContextLifetime +
15*60*1000) < now)) {
pn.jfkContext = getLightDiffieHellmanContext();
+ pn.jfkContextLifetime = now;
+ }
int offset = 0;
byte[] myExponential =
stripBigIntegerToNetworkFormat(pn.jfkContext.myExponential);
byte[] nonce = new byte[NONCE_SIZE];
@@ -538,7 +541,11 @@
*/
private void sendJFKMessage2(byte[] nonceInitator, byte[]
hisExponential, PeerNode pn, Peer replyTo) {
if(logMINOR) Logger.minor(this, "Sending a JFK(2) message to
"+pn);
- pn.jfkContext = getLightDiffieHellmanContext();
+ final long now = System.currentTimeMillis();
+ if((pn.jfkContext == null) || ((pn.jfkContextLifetime +
15*60*1000) < now)) {
+ pn.jfkContext = getLightDiffieHellmanContext();
+ pn.jfkContextLifetime = now;
+ }
// g^r
byte[] myExponential =
stripBigIntegerToNetworkFormat(pn.jfkContext.myExponential);
// Nr
