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Class ajanta.util.Ticketing 

java.lang.Object
   |
   +----ajanta.util.Ticketing
public class Ticketing
extends Object
Base ticketing class.This object take care of create and verify ticket. Imporantly it stores the challeges send to the other.

Variable Index

o caller_dsa
o challenges

Constructor Index

o Ticketing(URN, PrivateKey)
Constructor

Method Index

o getChallenge(URN)
register nonce for initial challenge, so that it can be used for verification
o getTicket(URN, int)
Gets a ticket for the caller
o verifyTicket(Ticket, PublicKey)
verifies a ticket

Variables

o challenges 
 protected Hashtable challenges
o caller_dsa 
 protected Signature caller_dsa

Constructors

o Ticketing 
 public Ticketing(URN name,
                  PrivateKey k)
Constructor

Parameters:
name - - the ticket granter
k - - private key of the ticket granter who will sign the ticket

Methods

o getChallenge 
 public synchronized int getChallenge(URN callee)
register nonce for initial challenge, so that it can be used for verification

Parameters:
callee - - to whom the initial challenge is sent
Returns:
s - the ramdom nonce for the callee
o getTicket 
 public Ticket getTicket(URN caller,
                         int nonce)
Gets a ticket for the caller

Parameters:
caller - for whom the ticket will be issued
nonce - the challenge provoded by the caller
o verifyTicket 
 public boolean verifyTicket(Ticket t,
                             PublicKey vk) throws RemoteException, InvalidKeyException, SignatureException
verifies a ticket

Parameters:
t - - the ticket which would be verified.
vk - - the public key of the ticket granter 
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