ostore.mac
Class PartyInfo

java.lang.Object
  |
  +--ostore.mac.PartyInfo

public class PartyInfo

extends Object

Party information for DHMessage and MacStage to keep track of what stage of STS is established between this computer and another party

This is tailored specifically for internal HMACDHHandler usage

Field Summary

DHPrivateKey	dhpri My private Diffie-Hellman key
DHPublicKey	dhpub My public Diffie-Hellman key
DHPublicKey	dhpubOther The other party's public Diffie-Hellman key
static int	ESTABLISHED A connection has been established and secret ready for use.
SecretKey	secret Our little secret (generated from the DH handshake, acts as seed for other shared secrets, in this case the HMAC)
int	sessionRetries A counter for number of restarts during a handshake session.
QSPublicKey	sigpub Their public signature key
int	state The my current state during the handshake
Object	timerToken Timer token for use with session timeouts.
static int	UNINIT Uninitiated State.
Vector	usedKeys Keeps track of DH keys that have been used with this DH key pair as a protection against replay attacks.
static int	WAITFORFINAL Waiting for DHMessage.FINALIZE from other party
static int	WAITFORRESPONSE Waiting for DHMessage.RESPOND from other party

Method Summary

void	print()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

UNINIT

public static int UNINIT

Uninitiated State.

WAITFORRESPONSE

public static int WAITFORRESPONSE

Waiting for DHMessage.RESPOND from other party

WAITFORFINAL

public static int WAITFORFINAL

Waiting for DHMessage.FINALIZE from other party

ESTABLISHED

public static int ESTABLISHED

A connection has been established and secret ready for use.

dhpub

public DHPublicKey dhpub

My public Diffie-Hellman key

dhpri

public DHPrivateKey dhpri

My private Diffie-Hellman key

secret

public SecretKey secret

Our little secret (generated from the DH handshake, acts as seed for other shared secrets, in this case the HMAC)

dhpubOther

public DHPublicKey dhpubOther

The other party's public Diffie-Hellman key

sigpub

public QSPublicKey sigpub

Their public signature key

state

public int state

The my current state during the handshake

sessionRetries

public int sessionRetries

A counter for number of restarts during a handshake session. An implementing MacHandler will decide what a reasonable ceiling for this is. Should be set to zero upon a sucessful handshake session.

timerToken

public Object timerToken

Timer token for use with session timeouts.

usedKeys

public Vector usedKeys

Keeps track of DH keys that have been used with this DH key pair as a protection against replay attacks. TODO: if too big need to stop talking to this person. threshold at 100, then we'd have to worry about an attacker changing their guid over and over again to fill up memory space. DDOS attack.

Method Detail

toString

public String toString()

Overrides:

toString in class Object

print

public void print()