org.logi.crypto.protocols
Class EncryptedKeyExClient

java.lang.Object
  |
  +--org.logi.crypto.Crypto
        |
        +--org.logi.crypto.protocols.EncryptedKeyEx
              |
              +--org.logi.crypto.protocols.EncryptedKeyExClient
All Implemented Interfaces:
InterKeyExClient, InterProtocolClient, NoninterKeyExClient, NoninterProtocolClient

public class EncryptedKeyExClient
extends EncryptedKeyEx
implements NoninterKeyExClient

Exchange keys by sending an encrypted key from this class to the corresponding EncryptedKeyExServer.

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

Fields inherited from class org.logi.crypto.Crypto
BIT, cdsPath, EMPTY_ARRAY, FOUR, keySource, NIBBLE, ONE, primeCertainty, random, TWO, ZERO
 
Constructor Summary
EncryptedKeyExClient(CipherKey key, Key sessionKey)
          Create a new EncryptedKeyExClient object.
EncryptedKeyExClient(CipherKey key, SignatureKey signKey, Key sessionKey)
          Create a new EncryptedKeyExClient object.
 
Method Summary
 byte[] message(byte[] received)
          Get the next message in the protocol.
 
Methods inherited from class org.logi.crypto.protocols.EncryptedKeyEx
completed, maxMessageSize, sessionKey
 
Methods inherited from class org.logi.crypto.Crypto
binString, binString, equal, equalRelaxed, equalSub, fromHexNibble, fromHexString, fromString, fromString, hexString, hexString, hexString, hexString, hexString, initRandom, initRandom, makeClass, makeInt, makeLong, makeSessionKey, pastSpace, pickBits, pickBits, readBlock, readInt, writeBytes, writeBytes, writeInt
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.logi.crypto.protocols.InterProtocolClient
completed, maxMessageSize
 
Methods inherited from interface org.logi.crypto.protocols.InterKeyExClient
sessionKey
 

Constructor Detail

EncryptedKeyExClient

public EncryptedKeyExClient(CipherKey key,
                            Key sessionKey)
Create a new EncryptedKeyExClient object. It uses key to encrypt sessionKey and then sends it to the server.

EncryptedKeyExClient

public EncryptedKeyExClient(CipherKey key,
                            SignatureKey signKey,
                            Key sessionKey)
Create a new EncryptedKeyExClient object. It uses key to encrypt sessionKey and then sends it to the server.

If signKey is not null, then the session key will be signed with this key.

Method Detail

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.

Specified by:
message in interface InterProtocolClient
Throws:
CryptoProtocolException - if a problem arises with the protocol.


Copyright 1997-2000 Logi Ragnarsson