Free.util
Class Packet

java.lang.Object
  |
  +--Free.util.Packet

public class Packet

extends java.lang.Object

Packet is the data type that represents all GNU.FREE packets used in its protocols.

Version:

0.8.1 27 October 2001

Author:

Jason Kitcat

Constructor Summary

Packet(char t, java.lang.String m, java.lang.String sk, java.lang.String rk, java.lang.String hk, int sn)
constructor which creates packet ready for encryption and sending

Packet(java.lang.String p)
constructor which parses Strings into valid packets

Method Summary

java.lang.String	getDigest() return message digest of Packet
java.lang.String	getMACMessage() return the portion of Packet used in MAC
java.lang.String	getMessage() return the data portion of Packet
char	getType() return type of Packet
java.lang.String[]	splitMessage() splits message into constituent parts as identified by '-' Maximum sub-parts of a message is 20
java.lang.String	toCryptString(boolean mode) returns encrypted value of Packet ready for sending.
java.lang.String	toString() returns a printable value of Packet.

Methods inherited from class java.lang.Object

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

Constructor Detail

Packet

public Packet(java.lang.String p)

constructor which parses Strings into valid packets

Parameters:

p - A String containing the data to parse

Packet

public Packet(char t,
              java.lang.String m,
              java.lang.String sk,
              java.lang.String rk,
              java.lang.String hk,
              int sn)
       throws java.lang.Exception

constructor which creates packet ready for encryption and sending

Parameters:

t - The packet's type.

m - The packet's message.

sk - The session key for encryption.

rk - The RSA key for encrypting the session key.

hk - The HMAC key for creating the MAC.

sn - The sequence number for the HMAC creation.

Method Detail

toString

public java.lang.String toString()

returns a printable value of Packet.

Overrides:

toString in class java.lang.Object

toCryptString

public java.lang.String toCryptString(boolean mode)
                               throws java.lang.Exception

returns encrypted value of Packet ready for sending.

Parameters:

mode - True if a client, false if a server.

splitMessage

public java.lang.String[] splitMessage()

splits message into constituent parts as identified by '-' Maximum sub-parts of a message is 20

getMessage

public java.lang.String getMessage()

return the data portion of Packet

getMACMessage

public java.lang.String getMACMessage()

return the portion of Packet used in MAC

getDigest

public java.lang.String getDigest()

return message digest of Packet

getType

public char getType()

return type of Packet