com.licel.jcardsim.crypto

Class ECPrivateKeyImpl

java.lang.Object

com.licel.jcardsim.crypto.KeyImpl

com.licel.jcardsim.crypto.ECKeyImpl

com.licel.jcardsim.crypto.ECPrivateKeyImpl

All Implemented Interfaces:

KeyWithParameters, javacard.security.ECKey, javacard.security.ECPrivateKey, javacard.security.Key, javacard.security.PrivateKey

public class ECPrivateKeyImpl
extends ECKeyImpl
implements javacard.security.ECPrivateKey

Implementation ECPrivateKey based on BouncyCastle CryptoAPI.

See Also:

ECPrivateKey, ECPrivateKeyParameters

Field Summary

Fields

Modifier and Type	Field and Description
protected ByteContainer	s

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

a, b, e1, e2, e3, fp, g, isKInitialized, k, r

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

size, type

Constructor Summary

Constructors

Constructor and Description
ECPrivateKeyImpl(byte keyType, short keySize) Construct not-initialized ecc private key
ECPrivateKeyImpl(org.bouncycastle.crypto.params.ECPrivateKeyParameters params) Construct and initialize ecc key with ECPrivateKeyParameters.

Method Summary

Modifier and Type	Method and Description
void	clearKey()
org.bouncycastle.crypto.CipherParameters	getParameters() Get ECPrivateKeyParameters
short	getS(byte[] buffer, short offset)
boolean	isInitialized()
void	setParameters(org.bouncycastle.crypto.CipherParameters params) Set cipher key for use with BouncyCastle Crypto API
void	setS(byte[] buffer, short offset, short length)

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

copyDomainParametersFrom, getA, getB, getDomainParameters, getField, getG, getK, getKeyGenerationParameters, getR, isDomainParametersInitialized, setA, setB, setFieldF2M, setFieldF2M, setFieldFP, setG, setK, setR

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

getSize, getType

Methods inherited from interface javacard.security.ECKey

copyDomainParametersFrom, getA, getB, getField, getG, getK, getR, setA, setB, setFieldF2M, setFieldF2M, setFieldFP, setG, setK, setR

Field Detail

s

protected ByteContainer s

Constructor Detail

ECPrivateKeyImpl

public ECPrivateKeyImpl(byte keyType,
                        short keySize)

Construct not-initialized ecc private key

Parameters:

keyType - key type

keySize - key size it bits

See Also:

KeyBuilder

ECPrivateKeyImpl

public ECPrivateKeyImpl(org.bouncycastle.crypto.params.ECPrivateKeyParameters params)

Construct and initialize ecc key with ECPrivateKeyParameters. Use in KeyPairImpl

Parameters:

params - key params from BouncyCastle API

See Also:

KeyPair, ECPrivateKeyParameters

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

setS

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

Specified by:

setS in interface javacard.security.ECPrivateKey

Throws:

javacard.security.CryptoException

getS

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

Specified by:

getS in interface javacard.security.ECPrivateKey

Throws:

javacard.security.CryptoException

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface javacard.security.Key

clearKey

public void clearKey()

Specified by:

clearKey in interface javacard.security.Key

Overrides:

clearKey in class ECKeyImpl

getParameters

public org.bouncycastle.crypto.CipherParameters getParameters()

Get ECPrivateKeyParameters

Specified by:

getParameters in interface KeyWithParameters

Returns:

parameters for use with BouncyCastle API

See Also:

ECPrivateKeyParameters