com.licel.jcardsim.crypto

Class ByteContainer

java.lang.Object

com.licel.jcardsim.crypto.ByteContainer

public final class ByteContainer
extends Object

This class contains byte array, initialization flag of this array and memory type.

Constructor Summary

Constructors

Constructor and Description
ByteContainer() Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT
ByteContainer(BigInteger bInteger) Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT and fills it by byte representation of BigInteger
ByteContainer(byte memoryType) Construct ByteContainer with defined memory type
ByteContainer(byte[] buff, short offset, short length) Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT and fills it by defined byte array

Method Summary

Modifier and Type	Method and Description
void	clear() Clear internal structure of the ByteContainer
BigInteger	getBigInteger() Return BigInteger representation of the ByteContainer
byte[]	getBytes(byte event) Return transient plain byte array representation of the ByteContainer
short	getBytes(byte[] dest, short offset) Copy byte array representation of the ByteContainer
boolean	isInitialized() Reports the initialized state of the container.
void	setBigInteger(BigInteger bInteger) Fills ByteContainerby byte representation of BigInteger
void	setBytes(byte[] buff) Fills ByteContainerby defined byte array
void	setBytes(byte[] buff, short offset, short length) Fills ByteContainerby defined byte array

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteContainer

public ByteContainer()

Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT

ByteContainer

public ByteContainer(byte memoryType)

Construct ByteContainer with defined memory type

Parameters:

memoryType - memoryType from JCSystem.MEMORY_..

ByteContainer

public ByteContainer(BigInteger bInteger)

Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT and fills it by byte representation of BigInteger

Parameters:

bInteger - BigInteger object

Throws:

IllegalArgumentException - if bInteger is negative

ByteContainer

public ByteContainer(byte[] buff,
                     short offset,
                     short length)

Construct ByteContainer with memory type JCSystem.MEMORY_TYPE_PERSISTENT and fills it by defined byte array

Parameters:

buff - byte array

offset - offset in byte array

length - length of data in byte array

Method Detail

setBigInteger

public void setBigInteger(BigInteger bInteger)

Fills ByteContainerby byte representation of BigInteger

Parameters:

bInteger - BigInteger object

Throws:

IllegalArgumentException - if bInteger is negative

setBytes

public void setBytes(byte[] buff)

Fills ByteContainerby defined byte array

Parameters:

buff - byte array

setBytes

public void setBytes(byte[] buff,
                     short offset,
                     short length)

Fills ByteContainerby defined byte array

Parameters:

buff - byte array

offset - offset in byte array

length - length of data in byte array

getBigInteger

public BigInteger getBigInteger()

Return BigInteger representation of the ByteContainer

Returns:

BigInteger

getBytes

public byte[] getBytes(byte event)

Return transient plain byte array representation of the ByteContainer

Parameters:

event - type of transient byte array

Returns:

plain byte array

getBytes

public short getBytes(byte[] dest,
                      short offset)

Copy byte array representation of the ByteContainer

Parameters:

dest - destination byte array

offset - destination byte array offset

Returns:

bytes copied

clear

public void clear()

Clear internal structure of the ByteContainer

isInitialized

public boolean isInitialized()

Reports the initialized state of the container.

Returns:

true if the container has been initialized