org.logi.crypto.protocols
Interface InterProtocolClient

All Known Subinterfaces:
InterAuthClient, InterKeyExClient, NoninterKeyExClient, NoninterProtocolClient
All Known Implementing Classes:
DHEKEKeyExClient

public interface InterProtocolClient

This interface is implemented by classes for the client portion of an interactive protocol.

In this context, the party which initiates the protocol is considered the client. Interactive means that the client may need to recieve information from the server, so the protocol can be used off-line.

Author:
Logi Ragnarsson (logir@logi.org)
See Also:
InterProtocolServer

Method Summary
 boolean completed()
          Returns true iff this end of the protocol is completed.
 int maxMessageSize()
          Returns the maximum expected size of a message for this protocol.
 byte[] message(byte[] received)
          Get the next message in the protocol.
 

Method Detail

completed

public boolean completed()
Returns true iff this end of the protocol is completed.

message

public byte[] message(byte[] received)
               throws CryptoProtocolException
Get the next message in the protocol.

received is the last message received form the server and has not yet been sent to the client.

The returned value is the next message to send to the server or null if no more messages need to be sent and the protocol is terminated.

Throws:
CryptoProtocolException - if a problem arises with the protocol.

maxMessageSize

public int maxMessageSize()
Returns the maximum expected size of a message for this protocol.


Copyright 1997-2000 Logi Ragnarsson