anon.client.crypto
Class ControlChannelCipher

java.lang.Object
  anon.client.crypto.ControlChannelCipher

public class ControlChannelCipher
extends java.lang.Object

Field Summary

(package private) long	m_DecMsgCounter
(package private) long	m_EncMsgCounter
(package private) org.bouncycastle.crypto.modes.GCMBlockCipher	m_recvEngine
(package private) byte[]	m_recvKey
(package private) org.bouncycastle.crypto.modes.GCMBlockCipher	m_sentEngine
(package private) byte[]	m_sentKey

Constructor Summary

ControlChannelCipher()

Method Summary

private byte[]	createIV(long counter)
void	decryptGCM2(byte[] from, int ifrom, byte[] to, int ito, int len)
void	encryptGCM1(byte[] from, int ifrom, byte[] to, int ito, int len)
int	getDecryptedOutputSize(int enclength)
int	getEncryptedOutputSize(int inputlength)
int	setRecvKey(byte[] key, int offset, int len)
int	setSentKey(byte[] key, int offset, int len)

Methods inherited from class java.lang.Object

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

Field Detail

m_sentEngine

org.bouncycastle.crypto.modes.GCMBlockCipher m_sentEngine

m_recvEngine

org.bouncycastle.crypto.modes.GCMBlockCipher m_recvEngine

m_EncMsgCounter

long m_EncMsgCounter

m_DecMsgCounter

long m_DecMsgCounter

m_sentKey

byte[] m_sentKey

m_recvKey

byte[] m_recvKey

Constructor Detail

ControlChannelCipher

public ControlChannelCipher()

Method Detail

setSentKey

public int setSentKey(byte[] key,
                      int offset,
                      int len)

setRecvKey

public int setRecvKey(byte[] key,
                      int offset,
                      int len)

createIV

private byte[] createIV(long counter)

encryptGCM1

public void encryptGCM1(byte[] from,
                        int ifrom,
                        byte[] to,
                        int ito,
                        int len)
                 throws java.lang.Exception

Throws:

java.lang.Exception

decryptGCM2

public void decryptGCM2(byte[] from,
                        int ifrom,
                        byte[] to,
                        int ito,
                        int len)
                 throws java.lang.Exception

Throws:

java.lang.Exception

getEncryptedOutputSize

public int getEncryptedOutputSize(int inputlength)

getDecryptedOutputSize

public int getDecryptedOutputSize(int enclength)