Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.crypto.engines.CamelliaLightEngine

Modifier and Type	Field and Description
private int	_keySize
private static final int	BLOCK_SIZE
private boolean	forEncryption
private boolean	initialized
private int[]	ke
private int[]	kw
private static final int	MASK8
private static final byte[]	SBOX1
private static final int[]	SIGMA
private int[]	subkey

Access	Constructor and Description
public	CamelliaLightEngine()

Method Summary

Modifier and Type	Method and Description
private int	bitsOfSecurity()
private int	bytes2int(byte[] src, int offset)
private void	camelliaF2(int[] s, int[] skey, int keyoff)
private void	camelliaFLs(int[] s, int[] fkey, int keyoff)
private static void	decroldq(int rot, int[] ki, int ioff, int[] ko, int ooff)
private static void	decroldqo32(int rot, int[] ki, int ioff, int[] ko, int ooff)
public String	getAlgorithmName() Implements org.bouncycastle.crypto.BlockCipher.getAlgorithmName. Return the name of the algorithm the cipher implements.
public int	getBlockSize() Implements org.bouncycastle.crypto.BlockCipher.getBlockSize. Return the block size for this cipher (in bytes).
public void	init(boolean if true the cipher is initialised for encryption, if false for decryption. forEncryption, CipherParameters the key and other data required by the cipher. params) Implements org.bouncycastle.crypto.BlockCipher.init. Initialise the cipher.
private void	int2bytes(int word, byte[] dst, int offset)
private static int	leftRotate(int x, int s)
private byte	lRot8(byte v, int rot)
public int	processBlock(byte[] the array containing the input data. in, int offset into the in array the data starts at. inOff, byte[] the array the output data will be copied into. out, int the offset into the out array the output will start at. outOff) Implements org.bouncycastle.crypto.BlockCipher.processBlock. Process one block of input from the array in and write it to the out array.
private int	processBlock128(byte[] in, int inOff, byte[] out, int outOff)
private int	processBlock192or256(byte[] in, int inOff, byte[] out, int outOff)
public void	reset() Implements org.bouncycastle.crypto.BlockCipher.reset. Reset the cipher.
private static int	rightRotate(int x, int s)
private static void	roldq(int rot, int[] ki, int ioff, int[] ko, int ooff)
private static void	roldqo32(int rot, int[] ki, int ioff, int[] ko, int ooff)
private int	sbox2(int x)
private int	sbox3(int x)
private int	sbox4(int x)
private void	setKey(boolean forEncryption, byte[] key)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

_keySize	back to summary
private int _keySize

BLOCK_SIZE	back to summary
private static final int BLOCK_SIZE

forEncryption	back to summary
private boolean forEncryption

initialized	back to summary
private boolean initialized

ke	back to summary
private int[] ke

kw	back to summary
private int[] kw

MASK8	back to summary
private static final int MASK8

SBOX1	back to summary
private static final byte[] SBOX1

SIGMA	back to summary
private static final int[] SIGMA

subkey	back to summary
private int[] subkey

CamelliaLightEngine	back to summary
public CamelliaLightEngine()

Method Detail

bitsOfSecurity	back to summary
private int bitsOfSecurity()

bytes2int	back to summary
private int bytes2int(byte[] src, int offset)

camelliaF2	back to summary
private void camelliaF2(int[] s, int[] skey, int keyoff)

camelliaFLs	back to summary
private void camelliaFLs(int[] s, int[] fkey, int keyoff)

decroldq	back to summary
private static void decroldq(int rot, int[] ki, int ioff, int[] ko, int ooff)

decroldqo32	back to summary
private static void decroldqo32(int rot, int[] ki, int ioff, int[] ko, int ooff)

getAlgorithmName	back to summary
public String getAlgorithmName() Implements org.bouncycastle.crypto.BlockCipher.getAlgorithmName. Doc from org.bouncycastle.crypto.BlockCipher.getAlgorithmName. Return the name of the algorithm the cipher implements. Returns:String the name of the algorithm the cipher implements.

getAlgorithmName

back to summary

public String getAlgorithmName()

Implements org.bouncycastle.crypto.BlockCipher.getAlgorithmName.

Doc from org.bouncycastle.crypto.BlockCipher.getAlgorithmName.

Return the name of the algorithm the cipher implements.

Returns:String: the name of the algorithm the cipher implements.

getBlockSize	back to summary
public int getBlockSize() Implements org.bouncycastle.crypto.BlockCipher.getBlockSize. Doc from org.bouncycastle.crypto.BlockCipher.getBlockSize. Return the block size for this cipher (in bytes). Returns:int the block size for this cipher in bytes.

getBlockSize

back to summary

public int getBlockSize()

Implements org.bouncycastle.crypto.BlockCipher.getBlockSize.

Doc from org.bouncycastle.crypto.BlockCipher.getBlockSize.

Return the block size for this cipher (in bytes).

Returns:int: the block size for this cipher in bytes.

init	back to summary
public void init(boolean forEncryption, CipherParameters params) Implements org.bouncycastle.crypto.BlockCipher.init. Doc from org.bouncycastle.crypto.BlockCipher.init. Initialise the cipher. Parameters forEncryption:boolean if true the cipher is initialised for encryption, if false for decryption. params:CipherParameters the key and other data required by the cipher.

init

back to summary

public void init(boolean forEncryption, CipherParameters params)

Implements org.bouncycastle.crypto.BlockCipher.init.

Doc from org.bouncycastle.crypto.BlockCipher.init.

Initialise the cipher.

Parameters

forEncryption:boolean: if true the cipher is initialised for encryption, if false for decryption.
params:CipherParameters: the key and other data required by the cipher.

int2bytes	back to summary
private void int2bytes(int word, byte[] dst, int offset)

leftRotate	back to summary
private static int leftRotate(int x, int s)

lRot8	back to summary
private byte lRot8(byte v, int rot)

processBlock	back to summary
public int processBlock(byte[] in, int inOff, byte[] out, int outOff) throws IllegalStateException Implements org.bouncycastle.crypto.BlockCipher.processBlock. Doc from org.bouncycastle.crypto.BlockCipher.processBlock. Process one block of input from the array in and write it to the out array. Parameters in:byte[] the array containing the input data. inOff:int offset into the in array the data starts at. out:byte[] the array the output data will be copied into. outOff:int the offset into the out array the output will start at. Returns:int the number of bytes processed and produced. Exceptions IllegalStateException: if the cipher isn't initialised.

processBlock

back to summary

public int processBlock(byte[] in, int inOff, byte[] out, int outOff) throws IllegalStateException

Implements org.bouncycastle.crypto.BlockCipher.processBlock.

Doc from org.bouncycastle.crypto.BlockCipher.processBlock.

Process one block of input from the array in and write it to the out array.

Parameters

in:byte[]: the array containing the input data.
inOff:int: offset into the in array the data starts at.
out:byte[]: the array the output data will be copied into.
outOff:int: the offset into the out array the output will start at.

Returns:int

the number of bytes processed and produced.

Exceptions

IllegalStateException:: if the cipher isn't initialised.

processBlock128	back to summary
private int processBlock128(byte[] in, int inOff, byte[] out, int outOff)

processBlock192or256	back to summary
private int processBlock192or256(byte[] in, int inOff, byte[] out, int outOff)

reset	back to summary
public void reset() Implements org.bouncycastle.crypto.BlockCipher.reset. Doc from org.bouncycastle.crypto.BlockCipher.reset. Reset the cipher. After resetting the cipher is in the same state as it was after the last init (if there was one).

reset

back to summary

public void reset()

Implements org.bouncycastle.crypto.BlockCipher.reset.

Doc from org.bouncycastle.crypto.BlockCipher.reset.

Reset the cipher. After resetting the cipher is in the same state as it was after the last init (if there was one).

rightRotate	back to summary
private static int rightRotate(int x, int s)

roldq	back to summary
private static void roldq(int rot, int[] ki, int ioff, int[] ko, int ooff)

roldqo32	back to summary
private static void roldqo32(int rot, int[] ki, int ioff, int[] ko, int ooff)

sbox2	back to summary
private int sbox2(int x)

sbox3	back to summary
private int sbox3(int x)

sbox4	back to summary
private int sbox4(int x)

setKey	back to summary
private void setKey(boolean forEncryption, byte[] key)

public Class CamelliaLightEngine

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail