com.licel.jcardsim.crypto

Class DSAKeyImpl

java.lang.Object

com.licel.jcardsim.crypto.KeyImpl

com.licel.jcardsim.crypto.DSAKeyImpl

All Implemented Interfaces:

KeyWithParameters, javacard.security.DSAKey, javacard.security.Key

Direct Known Subclasses:

DSAPrivateKeyImpl, DSAPublicKeyImpl

public class DSAKeyImpl
extends KeyImpl
implements javacard.security.DSAKey

Base class for DSAPublicKeyImpl/DSAPrivateKeyImpl on BouncyCastle CryptoAPI.

See Also:

DSAKey

Field Summary

Fields

Modifier and Type	Field and Description
protected ByteContainer	g
protected boolean	isPrivate
protected ByteContainer	p
protected ByteContainer	q

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

size, type

Constructor Summary

Constructors

Constructor and Description
DSAKeyImpl(byte keyType, short keySize) Construct not-initialized dsa key
DSAKeyImpl(org.bouncycastle.crypto.params.DSAKeyParameters params) Construct and initialize dsa key with DSAKeyParameters.

Method Summary

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

p

protected ByteContainer p

q

protected ByteContainer q

g

protected ByteContainer g

isPrivate

protected boolean isPrivate

Constructor Detail

DSAKeyImpl

public DSAKeyImpl(byte keyType,
                  short keySize)

Construct not-initialized dsa key

Parameters:

keyType - - key type

keySize - - key size in bits

See Also:

KeyPair, KeyBuilder

DSAKeyImpl

public DSAKeyImpl(org.bouncycastle.crypto.params.DSAKeyParameters params)

Construct and initialize dsa key with DSAKeyParameters. Use in KeyPairImpl

Parameters:

params - key params from BouncyCastle API

See Also:

KeyPair, DSAKeyParameters

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

clearKey

public void clearKey()

Specified by:

clearKey in interface javacard.security.Key

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface javacard.security.Key

setP

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

Specified by:

setP in interface javacard.security.DSAKey

Throws:

javacard.security.CryptoException

setQ

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

Specified by:

setQ in interface javacard.security.DSAKey

Throws:

javacard.security.CryptoException

setG

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

Specified by:

setG in interface javacard.security.DSAKey

Throws:

javacard.security.CryptoException

getP

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

Specified by:

getP in interface javacard.security.DSAKey

getQ

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

Specified by:

getQ in interface javacard.security.DSAKey

getG

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

Specified by:

getG in interface javacard.security.DSAKey

getParameters

public org.bouncycastle.crypto.CipherParameters getParameters()

Get DSAKeyParameters

Specified by:

getParameters in interface KeyWithParameters

Returns:

parameters for use with BouncyCastle API

See Also:

DSAKeyParameters

getKeyGenerationParameters

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

Get DSAKeyGenerationParameters

Specified by:

getKeyGenerationParameters in interface KeyWithParameters

Parameters:

rnd - Secure Random Generator

Returns:

parameters for use with BouncyCastle API