externalInformationPort
Class InformationProvider

java.lang.Object
  java.lang.Thread
      externalInformationPort.InformationProvider

All Implemented Interfaces:

java.lang.Runnable

final class InformationProvider
extends java.lang.Thread

Provides Information for "external" communication partners (e. g. other mixes or clients) vie network (UDP).

Author:

Karl-Peter Fuchs

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

(package private) java.util.EnumMap<Information,java.lang.Integer>

enumMap Enumeration used to identify incoming requests.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

protected

InformationProvider(java.security.PublicKey publicKey, ExternalInformationPortController eip) Creates a new InformationProvider that provides Information for "external" communication partners (e. g.

Method Summary

protected void	acceptRequests() Make this InformationProvider start listening for requests (on communication channel).
void	run() Answers incoming requests.
protected void	setInterMixIVWithPreviousMix(javax.crypto.spec.IvParameterSpec interMixIV) Sets the initialization vector used to encrypt data between this mix and its predecessor.
protected void	setInterMixKeyWithPreviousMix(javax.crypto.SecretKey interMixKey) Sets the key used to encrypt data between this mix and its predecessor.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

enumMap

java.util.EnumMap<Information,java.lang.Integer> enumMap

Enumeration used to identify incoming requests.

See Also:

Information

Constructor Detail

InformationProvider

protected InformationProvider(java.security.PublicKey publicKey,
                              ExternalInformationPortController eip)

Creates a new InformationProvider that provides Information for "external" communication partners (e. g. other mixes or clients) vie network (UDP).

Parameters:

publicKey - This mix' public key.

eip - Reference on component ExternalInformationPort. Used to reveive Information from communication partners.

Method Detail

setInterMixKeyWithPreviousMix

protected void setInterMixKeyWithPreviousMix(javax.crypto.SecretKey interMixKey)

Sets the key used to encrypt data between this mix and its predecessor.

Parameters:

interMixKey - Key used to encrypt data between this mix and its predecessor.

setInterMixIVWithPreviousMix

protected void setInterMixIVWithPreviousMix(javax.crypto.spec.IvParameterSpec interMixIV)

Sets the initialization vector used to encrypt data between this mix and its predecessor.

Parameters:

interMixIV - Initialization vector used to encrypt data between this mix and its predecessor.

acceptRequests

protected void acceptRequests()

Make this InformationProvider start listening for requests (on communication channel).

run

public void run()

Answers incoming requests.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread