com.licel.jcardsim.crypto

Class ECKeyImpl

java.lang.Object

com.licel.jcardsim.crypto.KeyImpl

com.licel.jcardsim.crypto.ECKeyImpl

All Implemented Interfaces:

KeyWithParameters, javacard.security.ECKey, javacard.security.Key

Direct Known Subclasses:

ECPrivateKeyImpl, ECPublicKeyImpl

public abstract class ECKeyImpl
extends KeyImpl
implements javacard.security.ECKey

Base class for ECPublicKeyImpl/ECPrivateKeyImpl on BouncyCastle CryptoAPI.

See Also:

ECKey

Field Summary

Fields

Modifier and Type	Field and Description
protected ByteContainer	a
protected ByteContainer	b
protected short	e1
protected short	e2
protected short	e3
protected ByteContainer	fp
protected ByteContainer	g
protected boolean	isKInitialized
protected short	k
protected ByteContainer	r

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

size, type

Constructor Summary

Constructors

Constructor and Description
ECKeyImpl(byte keyType, short keySize) Construct not-initialized ecc key
ECKeyImpl(org.bouncycastle.crypto.params.ECKeyParameters parameters) Construct and initialize ecc key with ECKeyParameters.

Method Summary

Modifier and Type	Method and Description
void	clearKey()
void	copyDomainParametersFrom(javacard.security.ECKey eckey)
short	getA(byte[] buffer, short offset)
short	getB(byte[] buffer, short offset)
org.bouncycastle.crypto.params.ECDomainParameters	getDomainParameters() Get ECDomainParameters
short	getField(byte[] buffer, short offset)
short	getG(byte[] buffer, short offset)
short	getK()
org.bouncycastle.crypto.KeyGenerationParameters	getKeyGenerationParameters(SecureRandom rnd) Get ECKeyGenerationParameters
short	getR(byte[] buffer, short offset)
protected boolean	isDomainParametersInitialized()
void	setA(byte[] buffer, short offset, short length)
void	setB(byte[] buffer, short offset, short length)
void	setFieldF2M(short e)
void	setFieldF2M(short e1, short e2, short e3)
void	setFieldFP(byte[] buffer, short offset, short length)
void	setG(byte[] buffer, short offset, short length)
void	setK(short K)
void	setR(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

Methods inherited from interface javacard.security.Key

isInitialized

Methods inherited from interface com.licel.jcardsim.crypto.KeyWithParameters

getParameters, setParameters

Field Detail

a

protected ByteContainer a

b

protected ByteContainer b

g

protected ByteContainer g

r

protected ByteContainer r

fp

protected ByteContainer fp

k

protected short k

e1

protected short e1

e2

protected short e2

e3

protected short e3

isKInitialized

protected boolean isKInitialized

Constructor Detail

ECKeyImpl

public ECKeyImpl(byte keyType,
                 short keySize)

Construct not-initialized ecc key

Parameters:

keyType - - key type

keySize - - key size in bits

See Also:

KeyPair, KeyBuilder

ECKeyImpl

public ECKeyImpl(org.bouncycastle.crypto.params.ECKeyParameters parameters)

Construct and initialize ecc key with ECKeyParameters. Use in KeyPairImpl

Parameters:

parameters - key params from BouncyCastle API

See Also:

KeyPair, ECKeyParameters

Method Detail

clearKey

public void clearKey()

Specified by:

clearKey in interface javacard.security.Key

isDomainParametersInitialized

protected boolean isDomainParametersInitialized()

setFieldFP

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

Specified by:

setFieldFP in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

setFieldF2M

public void setFieldF2M(short e)
                 throws javacard.security.CryptoException

Specified by:

setFieldF2M in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

setFieldF2M

public void setFieldF2M(short e1,
                        short e2,
                        short e3)
                 throws javacard.security.CryptoException

Specified by:

setFieldF2M in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

setA

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

Specified by:

setA in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

setB

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

Specified by:

setB in interface javacard.security.ECKey

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.ECKey

Throws:

javacard.security.CryptoException

setR

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

Specified by:

setR in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

setK

public void setK(short K)

Specified by:

setK in interface javacard.security.ECKey

getField

public short getField(byte[] buffer,
                      short offset)
               throws javacard.security.CryptoException

Specified by:

getField in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getA

public short getA(byte[] buffer,
                  short offset)
           throws javacard.security.CryptoException

Specified by:

getA in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getB

public short getB(byte[] buffer,
                  short offset)
           throws javacard.security.CryptoException

Specified by:

getB in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getG

public short getG(byte[] buffer,
                  short offset)
           throws javacard.security.CryptoException

Specified by:

getG in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getR

public short getR(byte[] buffer,
                  short offset)
           throws javacard.security.CryptoException

Specified by:

getR in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getK

public short getK()
           throws javacard.security.CryptoException

Specified by:

getK in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException

getDomainParameters

public org.bouncycastle.crypto.params.ECDomainParameters getDomainParameters()

Get ECDomainParameters

Returns:

parameters for use with BouncyCastle API

See Also:

ECDomainParameters

getKeyGenerationParameters

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

Get ECKeyGenerationParameters

Specified by:

getKeyGenerationParameters in interface KeyWithParameters

Parameters:

rnd - Secure Random Generator

Returns:

parameters for use with BouncyCastle API

copyDomainParametersFrom

public void copyDomainParametersFrom(javacard.security.ECKey eckey)
                              throws javacard.security.CryptoException

Specified by:

copyDomainParametersFrom in interface javacard.security.ECKey

Throws:

javacard.security.CryptoException