Package es.gob.jmulticard

Class BcPaceChannelHelper

java.lang.Object

es.gob.jmulticard.CryptoHelper.PaceChannelHelper

es.gob.jmulticard.BcPaceChannelHelper

public final class BcPaceChannelHelper
extends CryptoHelper.PaceChannelHelper

Utilidades para el establecimiento de un canal PACE (Password Authenticated Connection Establishment).

Field Summary

Fields

Modifier and Type	Field	Description
static int	BLOCK_SIZE	Tamaño de bloque de cifrado AES.

Fields inherited from class es.gob.jmulticard.CryptoHelper.PaceChannelHelper

CAN_MRZ_PADDING, cryptoHelper, KENC_PADDING, KMAC_PADDING, LOGGER, MAC_PADDING, MAC2_PADDING, TAG_DYNAMIC_AUTHENTICATION_DATA, TAG_GEN_AUTH_2, TAG_GEN_AUTH_3, TAG_GEN_AUTH_4

Constructor Summary

Constructors

Constructor	Description
BcPaceChannelHelper(CryptoHelper ch)	Constructor.

Method Summary

Modifier and Type	Method	Description
private static org.bouncycastle.math.ec.ECPoint	byteArrayToECPoint(byte[] value, org.bouncycastle.math.ec.ECCurve.Fp curve)
SecureMessaging	openPaceChannel(byte cla, WirelessInitializer pi, ApduConnection conn)	Abre un canal PACE.

Methods inherited from class es.gob.jmulticard.CryptoHelper.PaceChannelHelper

bigIntToByteArray, unwrapEcKey

Methods inherited from class java.lang.Object

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

Field Detail

BLOCK_SIZE

public static final int BLOCK_SIZE

Tamaño de bloque de cifrado AES.

See Also:

Constant Field Values

Constructor Detail

BcPaceChannelHelper

public BcPaceChannelHelper(CryptoHelper ch)

Constructor.

Parameters:

ch - Utilidad para operaciones criptográficas.

Method Detail

openPaceChannel

public SecureMessaging openPaceChannel(byte cla,
                                       WirelessInitializer pi,
                                       ApduConnection conn)
                                throws ApduConnectionException,
                                       IcaoException

Description copied from class: CryptoHelper.PaceChannelHelper

Abre un canal PACE.

Specified by:

openPaceChannel in class CryptoHelper.PaceChannelHelper

Parameters:

cla - Clase de APDU para los comandos de establecimiento de canal.

pi - Valor de inicialización del canal. Puede ser un CAN (Card Access Number) o una MRZ (Machine Readable Zone).

conn - Conexión hacia la tarjeta inteligente.

Returns:

SecureMessaging Objeto para el envío de mensajes seguros a través de canal PACE.

Throws:

ApduConnectionException - Si hay problemas de conexión con la tarjeta.

IcaoException - Si hay problemas en la apertura del canal.

byteArrayToECPoint

private static org.bouncycastle.math.ec.ECPoint byteArrayToECPoint(byte[] value,
                                                                   org.bouncycastle.math.ec.ECCurve.Fp curve)