com.licel.jcardsim.crypto

Class DHKeyImpl

java.lang.Object

com.licel.jcardsim.crypto.KeyImpl

com.licel.jcardsim.crypto.DHKeyImpl

All Implemented Interfaces:

KeyWithParameters, javacard.security.DHKey, javacard.security.Key

Direct Known Subclasses:

DHPrivateKeyImpl, DHPublicKeyImpl

public abstract class DHKeyImpl
extends KeyImpl
implements javacard.security.DHKey

Field Summary

Fields

Modifier and Type	Field and Description
protected ByteContainer	g
static short	LENGTH_DH_1536
protected ByteContainer	p
protected ByteContainer	q
static org.bouncycastle.crypto.params.DHParameters	rfc2409_1024
static org.bouncycastle.crypto.params.DHParameters	rfc3526_1536
static org.bouncycastle.crypto.params.DHParameters	rfc3526_2048

Fields inherited from class com.licel.jcardsim.crypto.KeyImpl

size, type

Constructor Summary

Constructors

Constructor and Description
DHKeyImpl()

Method Summary

Modifier and Type	Method and Description
void	clearKey()
short	getG(byte[] bytes, short offset)
org.bouncycastle.crypto.KeyGenerationParameters	getKeyGenerationParameters(SecureRandom rnd) Get keypair generation parameters for use with BouncyCastle Crypto API
short	getP(byte[] bytes, short offset)
org.bouncycastle.crypto.CipherParameters	getParameters() Get cipher key parameters for use with BouncyCastle Crypto API
short	getQ(byte[] bytes, short offset)
boolean	isInitialized()
void	setG(byte[] bytes, short offset, short length)
void	setP(byte[] bytes, short offset, short length)
void	setParameters(org.bouncycastle.crypto.CipherParameters params) Set cipher key for use with BouncyCastle Crypto API
void	setQ(byte[] bytes, short offset, short length)

Methods inherited from class com.licel.jcardsim.crypto.KeyImpl

getSize, getType

Methods inherited from class java.lang.Object

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

Field Detail

LENGTH_DH_1536

public static final short LENGTH_DH_1536

See Also:

Constant Field Values

p

protected ByteContainer p

q

protected ByteContainer q

g

protected ByteContainer g

rfc2409_1024

public static final org.bouncycastle.crypto.params.DHParameters rfc2409_1024

rfc3526_1536

public static final org.bouncycastle.crypto.params.DHParameters rfc3526_1536

rfc3526_2048

public static final org.bouncycastle.crypto.params.DHParameters rfc3526_2048

Constructor Detail

DHKeyImpl

public DHKeyImpl()

Method Detail

setParameters

public void setParameters(org.bouncycastle.crypto.CipherParameters params)

Description copied from interface: KeyWithParameters

Set cipher key for use with BouncyCastle Crypto API

Specified by:

setParameters in interface KeyWithParameters

Parameters:

params - key parameters

getParameters

public org.bouncycastle.crypto.CipherParameters getParameters()

Description copied from interface: KeyWithParameters

Get cipher key parameters for use with BouncyCastle Crypto API

Specified by:

getParameters in interface KeyWithParameters

Returns:

key parameters

setP

public void setP(byte[] bytes,
                 short offset,
                 short length)
          throws javacard.security.CryptoException

Specified by:

setP in interface javacard.security.DHKey

Throws:

javacard.security.CryptoException

setQ

public void setQ(byte[] bytes,
                 short offset,
                 short length)
          throws javacard.security.CryptoException

Specified by:

setQ in interface javacard.security.DHKey

Throws:

javacard.security.CryptoException

setG

public void setG(byte[] bytes,
                 short offset,
                 short length)
          throws javacard.security.CryptoException

Specified by:

setG in interface javacard.security.DHKey

Throws:

javacard.security.CryptoException

getP

public short getP(byte[] bytes,
                  short offset)

Specified by:

getP in interface javacard.security.DHKey

getQ

public short getQ(byte[] bytes,
                  short offset)

Specified by:

getQ in interface javacard.security.DHKey

getG

public short getG(byte[] bytes,
                  short offset)

Specified by:

getG in interface javacard.security.DHKey

clearKey

public void clearKey()

Specified by:

clearKey in interface javacard.security.Key

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface javacard.security.Key

getKeyGenerationParameters

public org.bouncycastle.crypto.KeyGenerationParameters getKeyGenerationParameters(SecureRandom rnd)

Description copied from interface: KeyWithParameters

Get keypair generation parameters for use with BouncyCastle Crypto API

Specified by:

getKeyGenerationParameters in interface KeyWithParameters

Parameters:

rnd - Secure Random Generator

Returns:

key parameters