git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@837 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

4 files changed, 1976 insertions, 0 deletions

diff --git a/smcc/src/main/java/at/gv/egiz/smcc/DNIeCIOCertificateDirectory.java b/smcc/src/main/java/at/gv/egiz/smcc/DNIeCIOCertificateDirectory.java
new file mode 100644
index 00000000..1c16797f
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/DNIeCIOCertificateDirectory.java
@@ -0,0 +1,58 @@
+package at.gv.egiz.smcc;

+

+import java.io.IOException;

+

+import javax.smartcardio.CardChannel;

+import javax.smartcardio.CardException;

+import javax.smartcardio.CommandAPDU;

+import javax.smartcardio.ResponseAPDU;

+

+import at.gv.egiz.smcc.util.ISO7816Utils;

+import at.gv.egiz.smcc.util.SMCCHelper;

+import at.gv.egiz.smcc.util.TLVSequence;

+

+public class DNIeCIOCertificateDirectory extends CIOCertificateDirectory {

+

+	protected static final boolean RETRIEVE_AUTH_ID_FROM_ASN1 = Boolean.FALSE;

+	

+	public DNIeCIOCertificateDirectory(byte[] fid) {

+		

+		super(fid);		

+	}

+

+	@Override

+    public void selectAndRead(CardChannel channel) throws CardException, SignatureCardException, IOException {

+      

+        CommandAPDU cmd = new CommandAPDU(0x00, 0xA4, 0x00, 0x00, fid, 256);        

+        ResponseAPDU resp = channel.transmit(cmd);

+

+        if(resp.getSW() != 0x9000) {

+        	

+        	throw new CardException("Error selecting DNIeCIOCertificateDeirectory: " + Integer.toHexString(resp.getSW()));

+        }

+        

+        byte[] fcx = new TLVSequence(resp.getBytes()).getValue(ISO7816Utils.TAG_FCI);

+        byte[] fd = new TLVSequence(fcx).getValue(0x85); // proprietary

+        

+        if(fd.length < 5 ||

+           fd[0] != (byte)0x01 ||

+           fd[1] != fid[0] ||

+           fd[2] != fid[1]) {

+        	

+        	throw new CardException("Error reading CDF - invalid FCI: " + SMCCHelper.toString(resp.getData()));

+        }

+        

+        readCIOCertificatesFromTransparentFile(channel);

+    }

+    

+    protected byte[] doReadTransparentFile(CardChannel channel) throws CardException, SignatureCardException {

+    	

+    	return ISO7816Utils.readTransparentFile(channel, -1, 0xef);

+    }

+	

+	protected boolean retrieveAuthIdFromASN1() {

+		

+		return RETRIEVE_AUTH_ID_FROM_ASN1;

+	}

+    

+}

diff --git a/smcc/src/main/java/at/gv/egiz/smcc/DNIeCryptoUtil.java b/smcc/src/main/java/at/gv/egiz/smcc/DNIeCryptoUtil.java
new file mode 100644
index 00000000..0f6cef59
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/DNIeCryptoUtil.java
@@ -0,0 +1,336 @@
+package at.gv.egiz.smcc;

+

+import java.io.ByteArrayInputStream;

+import java.io.InputStream;

+import java.math.BigInteger;

+import java.security.InvalidAlgorithmParameterException;

+import java.security.InvalidKeyException;

+import java.security.Key;

+import java.security.KeyFactory;

+import java.security.MessageDigest;

+import java.security.NoSuchAlgorithmException;

+import java.security.NoSuchProviderException;

+import java.security.cert.CertificateFactory;

+import java.security.cert.X509Certificate;

+import java.security.interfaces.RSAPrivateKey;

+import java.security.interfaces.RSAPublicKey;

+import java.security.spec.KeySpec;

+import java.security.spec.RSAPrivateKeySpec;

+import java.security.spec.RSAPublicKeySpec;

+import java.util.Arrays;

+import java.util.Random;

+

+import javax.crypto.BadPaddingException;

+import javax.crypto.Cipher;

+import javax.crypto.IllegalBlockSizeException;

+import javax.crypto.NoSuchPaddingException;

+import javax.crypto.ShortBufferException;

+import javax.crypto.spec.IvParameterSpec;

+import javax.crypto.spec.SecretKeySpec;

+import javax.smartcardio.CardException;

+

+public class DNIeCryptoUtil {

+

+	private final static byte[] IV = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00,

+			0x00, 0x00, 0x00 };

+

+	public static X509Certificate createCertificate(byte[] certData)

+			throws CardException {

+

+		try {

+			InputStream inStream = new ByteArrayInputStream(certData);

+			CertificateFactory cf = CertificateFactory.getInstance("X.509");

+			X509Certificate certificate = (X509Certificate) cf

+					.generateCertificate(inStream);

+			inStream.close();

+

+			return certificate;

+

+		} catch (Exception e) {

+

+			throw new CardException("Unable to create certificate.", e);

+		}

+	}

+

+	public static RSAPrivateKey createRSAPrivateKey(String mod,

+			String privExponent) throws CardException {

+

+		BigInteger modulus = new BigInteger(mod, 16);

+		BigInteger privExp = new BigInteger(privExponent, 16);

+

+		KeyFactory fac;

+		RSAPrivateKey key;

+		try {

+			fac = KeyFactory.getInstance("RSA");

+			KeySpec spec = new RSAPrivateKeySpec(modulus, privExp);

+			key = (RSAPrivateKey) fac.generatePrivate(spec);

+		} catch (Exception e) {

+

+			throw new CardException("Unable to create private key.", e);

+		}

+

+		return key;

+	}

+

+	public static RSAPublicKey createRSAPublicKey(String mod, String pubExponent)

+			throws CardException {

+

+		BigInteger modulus = new BigInteger(mod, 16);

+		BigInteger pubExp = new BigInteger(pubExponent, 16);

+

+		KeyFactory fac;

+		RSAPublicKey key;

+		try {

+			fac = KeyFactory.getInstance("RSA");

+			KeySpec spec = new RSAPublicKeySpec(modulus, pubExp);

+			key = (RSAPublicKey) fac.generatePublic(spec);

+		} catch (Exception e) {

+

+			throw new CardException("Unable to create public key.", e);

+		}

+

+		return key;

+	}

+

+	public static byte[] getRandomBytes(int length) {

+

+		byte[] result = new byte[length];

+

+		for (int i = 0; i < length; i++) {

+

+			Random rand = new Random();

+			byte current = (byte) rand.nextInt(255);

+			result[i] = current;

+		}

+

+		return result;

+	}

+

+	public static byte[] computeSHA1Hash(byte[] data) throws CardException {

+

+		try {

+			MessageDigest sha = MessageDigest.getInstance("SHA");

+

+			sha.update(data);

+			return sha.digest();

+

+		} catch (NoSuchAlgorithmException e) {

+			throw new CardException("Error computing SHA1 hash.", e);

+		}

+

+	}

+

+	public static byte[] rsaEncrypt(Key key, byte[] data)

+			throws NoSuchAlgorithmException, NoSuchPaddingException,

+			InvalidKeyException, IllegalBlockSizeException, BadPaddingException {

+

+		Cipher rsa = Cipher.getInstance("RSA/ECB/NoPadding");

+		rsa.init(Cipher.ENCRYPT_MODE, key);

+		byte[] encrypted = rsa.doFinal(data);

+

+		return encrypted;

+

+	}

+

+	public static byte[] rsaDecrypt(Key key, byte[] cipher)

+			throws NoSuchAlgorithmException, NoSuchPaddingException,

+			InvalidKeyException, IllegalBlockSizeException, BadPaddingException {

+

+		Cipher rsa = Cipher.getInstance("RSA/ECB/NoPadding");

+		rsa.init(Cipher.DECRYPT_MODE, key);

+		byte[] decrypted = rsa.doFinal(cipher);

+

+		return decrypted;

+	}

+

+	public static byte[] applyPadding(int blockSize, byte[] data) {

+

+		// add mandatory 0x80

+		byte[] extended = new byte[data.length + 1];

+		System.arraycopy(data, 0, extended, 0, data.length);

+		extended[extended.length - 1] = (byte) 0x80;

+

+		if (extended.length % blockSize == 0) {

+

+			return extended;

+		}

+

+		int requiredBlocks = ((int) (extended.length / blockSize) + 1);

+

+		byte[] result = new byte[requiredBlocks * blockSize];

+		Arrays.fill(result, (byte) 0x00);

+		System.arraycopy(extended, 0, result, 0, extended.length);

+

+		return result;

+

+	}

+

+	public static byte[] removePadding(byte[] paddedData) throws CardException {

+

+		for (int i = paddedData.length - 1; i >= 0; i--) {

+

+			byte current = paddedData[i];

+

+			if (current == (byte) 0x00) {

+

+				continue;

+			}

+

+			if (current == (byte) 0x80) {

+

+				// end of padding reached

+				byte[] data = new byte[i];

+				System.arraycopy(paddedData, 0, data, 0, i);

+				return data;

+

+			} else {

+

+				throw new CardException("Wrong padding.");

+			}

+		}

+

+		throw new CardException(

+				"Error removing padding from data. Unexpected data format.");

+

+	}

+

+	public static byte[] calculateAPDUMAC(byte[] data, byte[] key, byte[] ssc,

+			int blockLength) throws CardException {

+

+		SecretKeySpec desSingleKey = new SecretKeySpec(key, 0, blockLength,

+				"DES");

+		Cipher singleDesCipher;

+		try {

+			singleDesCipher = Cipher.getInstance("DES/CBC/NoPadding");

+		} catch (Exception e) {

+

+			throw new CardException("Error creating DES cipher instance.", e);

+		}

+

+		// Calculate the first n - 1 block.

+		IvParameterSpec ivSpec;

+		ivSpec = new IvParameterSpec(IV);

+		int dataLen = data.length;

+

+		try {

+			singleDesCipher.init(Cipher.ENCRYPT_MODE, desSingleKey, ivSpec);

+		} catch (Exception e) {

+			throw new CardException("Error initializing DES cipher.", e);

+		}

+		byte[] result;

+		try {

+			result = singleDesCipher.doFinal(ssc);

+		} catch (Exception e) {

+			throw new CardException("Error applying DES cipher.", e);

+		}

+

+		byte[] dataBlock = new byte[blockLength];

+

+		for (int i = 0; i < dataLen - blockLength; i = i + blockLength) {

+

+			System.arraycopy(data, i, dataBlock, 0, blockLength);

+			byte[] input = xorByteArrays(result, dataBlock);

+

+			try {

+				result = singleDesCipher.doFinal(input);

+			} catch (Exception e) {

+				throw new CardException("Error applying DES cipher.", e);

+			}

+		}

+

+		// calculate the last block with 3DES

+		byte[] fullKey = new byte[24];

+		System.arraycopy(key, 0, fullKey, 0, 16);

+		System.arraycopy(key, 0, fullKey, 16, 8);

+

+		SecretKeySpec desKey = new SecretKeySpec(fullKey, "DESede");

+		Cipher cipher;

+		try {

+			cipher = Cipher.getInstance("DESede/CBC/NoPadding");

+		} catch (Exception e) {

+			throw new CardException("Error getting 3DES cipher instance.", e);

+		}

+

+		ivSpec = new IvParameterSpec(IV);

+		try {

+			cipher.init(Cipher.ENCRYPT_MODE, desKey, ivSpec);

+		} catch (Exception e) {

+			throw new CardException("Error initializing 3DES cipher.", e);

+		}

+

+		System.arraycopy(data, data.length - blockLength, dataBlock, 0,

+				blockLength);

+		byte[] input = xorByteArrays(result, dataBlock);

+

+		byte[] mac = new byte[4];

+

+		try {

+

+			result = cipher.doFinal(input);

+

+		} catch (Exception e) {

+			throw new CardException("Error applying 3DES cipher.", e);

+		}

+

+		System.arraycopy(result, 0, mac, 0, 4);

+		return mac;

+	}

+

+	public static byte[] xorByteArrays(byte[] array1, byte[] array2)

+			throws CardException {

+

+		if (array1 == null || array2 == null || array1.length != array2.length) {

+

+			throw new CardException("Cannot xor byte arrays - invalid input.");

+		}

+

+		byte[] result = new byte[array1.length];

+

+		for (int i = 0; i < array1.length; i++) {

+

+			result[i] = (byte) (array1[i] ^ array2[i]);

+		}

+

+		return result;

+	}

+

+	public static byte[] perform3DESCipherOperation(byte[] data,

+			byte[] keyData, int mode) throws NoSuchAlgorithmException,

+			NoSuchProviderException, NoSuchPaddingException,

+			InvalidKeyException, InvalidAlgorithmParameterException,

+			ShortBufferException, IllegalBlockSizeException,

+			BadPaddingException {

+

+		byte[] full3DESKey = new byte[24];

+		System.arraycopy(keyData, 0, full3DESKey, 0, 16);

+		System.arraycopy(keyData, 0, full3DESKey, 16, 8);

+

+		SecretKeySpec key = new SecretKeySpec(full3DESKey, "DESede");

+		IvParameterSpec ivSpec = new IvParameterSpec(IV);

+

+		Cipher cipher = Cipher.getInstance("DESede/CBC/NoPadding");

+

+		cipher.init(mode, key, ivSpec);

+		byte[] cipherText = new byte[cipher.getOutputSize(data.length)];

+		int ctLength = cipher.update(data, 0, data.length, cipherText, 0);

+		ctLength += cipher.doFinal(cipherText, ctLength);

+		return cipherText;

+

+	}

+

+	public static int getCutOffLength(byte[] data, int blockSize)

+			throws CardException {

+

+		int len = data.length % blockSize;

+

+		// verify

+		if (data[len - 1] == (byte) 0x01) {

+

+			return len;

+		} else {

+			throw new CardException(

+					"Unable to reconstruct encrypted datablock.");

+		}

+

+	}

+}

diff --git a/smcc/src/main/java/at/gv/egiz/smcc/DNIeSecuredChannel.java b/smcc/src/main/java/at/gv/egiz/smcc/DNIeSecuredChannel.java
new file mode 100644
index 00000000..92ef7f11
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/DNIeSecuredChannel.java
@@ -0,0 +1,1087 @@
+package at.gv.egiz.smcc;

+

+import java.io.ByteArrayOutputStream;

+import java.io.IOException;

+import java.math.BigInteger;

+import java.nio.ByteBuffer;

+import java.security.PublicKey;

+import java.security.cert.X509Certificate;

+import java.security.interfaces.RSAPrivateKey;

+import java.security.interfaces.RSAPublicKey;

+import java.util.Arrays;

+

+import javax.crypto.Cipher;

+import javax.smartcardio.CardChannel;

+import javax.smartcardio.CardException;

+import javax.smartcardio.CommandAPDU;

+import javax.smartcardio.ResponseAPDU;

+

+import org.slf4j.Logger;

+import org.slf4j.LoggerFactory;

+

+import at.gv.egiz.smcc.util.SMCCHelper;

+

+public class DNIeSecuredChannel extends T0CardChannel {

+

+	// Public key data of Root CA - required to validate card certificates

+	private static final String ROOT_CA_MODULO = "EADEDA455332945039DAA404C8EBC4D3B7F5DC869283CDEA2F101E2AB54FB0D0B03D8F030DAF2458028288F54CE552F8FA57AB2FB103B112427E11131D1D27E10A5B500EAAE5D940301E30EB26C3E9066B257156ED639D70CCC090B863AFBB3BFED8C17BE7673034B9823E977ED657252927F9575B9FFF6691DB64F80B5E92CD";

+	private static final String ROOT_CA_PUBEXP = "010001";

+

+	// Terminal private RSA key for secure channel establishment

+	private final String TERMINAL_MODULO = "DB2CB41E112BACFA2BD7C3D3D7967E84FB9434FC261F9D090A8983947DAF8488D3DF8FBDCC1F92493585E134A1B42DE519F463244D7ED384E26D516CC7A4FF7895B1992140043AACADFC12E856B202346AF8226B1A882137DC3C5A57F0D2815C1FCD4BB46FA9157FDFFD79EC3A10A824CCC1EB3CE0B6B4396AE236590016BA69";

+	private final String TERMINAL_PRIVEXP = "18B44A3D155C61EBF4E3261C8BB157E36F63FE30E9AF28892B59E2ADEB18CC8C8BAD284B9165819CA4DEC94AA06B69BCE81706D1C1B668EB128695E5F7FEDE18A908A3011A646A481D3EA71D8A387D474609BD57A882B182E047DE80E04B4221416BD39DFA1FAC0300641962ADB109E28CAF50061B68C9CABD9B00313C0F46ED";

+

+	private final byte[] C_CV_CA = new byte[] {

+

+	(byte) 0x7F, (byte) 0x21, (byte) 0x81, (byte) 0xCE, (byte) 0x5F,

+			(byte) 0x37, (byte) 0x81, (byte) 0x80, (byte) 0x3C, (byte) 0xBA,

+			(byte) 0xDC, (byte) 0x36, (byte) 0x84, (byte) 0xBE, (byte) 0xF3,

+			(byte) 0x20, (byte) 0x41, (byte) 0xAD, (byte) 0x15, (byte) 0x50,

+			(byte) 0x89, (byte) 0x25, (byte) 0x8D, (byte) 0xFD, (byte) 0x20,

+			(byte) 0xC6, (byte) 0x91, (byte) 0x15, (byte) 0xD7, (byte) 0x2F,

+			(byte) 0x9C, (byte) 0x38, (byte) 0xAA, (byte) 0x99, (byte) 0xAD,

+			(byte) 0x6C, (byte) 0x1A, (byte) 0xED, (byte) 0xFA, (byte) 0xB2,

+			(byte) 0xBF, (byte) 0xAC, (byte) 0x90, (byte) 0x92, (byte) 0xFC,

+			(byte) 0x70, (byte) 0xCC, (byte) 0xC0, (byte) 0x0C, (byte) 0xAF,

+			(byte) 0x48, (byte) 0x2A, (byte) 0x4B, (byte) 0xE3, (byte) 0x1A,

+			(byte) 0xFD, (byte) 0xBD, (byte) 0x3C, (byte) 0xBC, (byte) 0x8C,

+			(byte) 0x83, (byte) 0x82, (byte) 0xCF, (byte) 0x06, (byte) 0xBC,

+			(byte) 0x07, (byte) 0x19, (byte) 0xBA, (byte) 0xAB, (byte) 0xB5,

+			(byte) 0x6B, (byte) 0x6E, (byte) 0xC8, (byte) 0x07, (byte) 0x60,

+			(byte) 0xA4, (byte) 0xA9, (byte) 0x3F, (byte) 0xA2, (byte) 0xD7,

+			(byte) 0xC3, (byte) 0x47, (byte) 0xF3, (byte) 0x44, (byte) 0x27,

+			(byte) 0xF9, (byte) 0xFF, (byte) 0x5C, (byte) 0x8D, (byte) 0xE6,

+			(byte) 0xD6, (byte) 0x5D, (byte) 0xAC, (byte) 0x95, (byte) 0xF2,

+			(byte) 0xF1, (byte) 0x9D, (byte) 0xAC, (byte) 0x00, (byte) 0x53,

+			(byte) 0xDF, (byte) 0x11, (byte) 0xA5, (byte) 0x07, (byte) 0xFB,

+			(byte) 0x62, (byte) 0x5E, (byte) 0xEB, (byte) 0x8D, (byte) 0xA4,

+			(byte) 0xC0, (byte) 0x29, (byte) 0x9E, (byte) 0x4A, (byte) 0x21,

+			(byte) 0x12, (byte) 0xAB, (byte) 0x70, (byte) 0x47, (byte) 0x58,

+			(byte) 0x8B, (byte) 0x8D, (byte) 0x6D, (byte) 0xA7, (byte) 0x59,

+			(byte) 0x22, (byte) 0x14, (byte) 0xF2, (byte) 0xDB, (byte) 0xA1,

+			(byte) 0x40, (byte) 0xC7, (byte) 0xD1, (byte) 0x22, (byte) 0x57,

+			(byte) 0x9B, (byte) 0x5F, (byte) 0x38, (byte) 0x3D, (byte) 0x22,

+			(byte) 0x53, (byte) 0xC8, (byte) 0xB9, (byte) 0xCB, (byte) 0x5B,

+			(byte) 0xC3, (byte) 0x54, (byte) 0x3A, (byte) 0x55, (byte) 0x66,

+			(byte) 0x0B, (byte) 0xDA, (byte) 0x80, (byte) 0x94, (byte) 0x6A,

+			(byte) 0xFB, (byte) 0x05, (byte) 0x25, (byte) 0xE8, (byte) 0xE5,

+			(byte) 0x58, (byte) 0x6B, (byte) 0x4E, (byte) 0x63, (byte) 0xE8,

+			(byte) 0x92, (byte) 0x41, (byte) 0x49, (byte) 0x78, (byte) 0x36,

+			(byte) 0xD8, (byte) 0xD3, (byte) 0xAB, (byte) 0x08, (byte) 0x8C,

+			(byte) 0xD4, (byte) 0x4C, (byte) 0x21, (byte) 0x4D, (byte) 0x6A,

+			(byte) 0xC8, (byte) 0x56, (byte) 0xE2, (byte) 0xA0, (byte) 0x07,

+			(byte) 0xF4, (byte) 0x4F, (byte) 0x83, (byte) 0x74, (byte) 0x33,

+			(byte) 0x37, (byte) 0x37, (byte) 0x1A, (byte) 0xDD, (byte) 0x8E,

+			(byte) 0x03, (byte) 0x00, (byte) 0x01, (byte) 0x00, (byte) 0x01,

+			(byte) 0x42, (byte) 0x08, (byte) 0x65, (byte) 0x73, (byte) 0x52,

+			(byte) 0x44, (byte) 0x49, (byte) 0x60, (byte) 0x00, (byte) 0x06 };

+

+	private final byte[] CHR = new byte[] {

+

+	(byte) 0x83, (byte) 0x08, (byte) 0x65, (byte) 0x73, (byte) 0x53,

+			(byte) 0x44, (byte) 0x49, (byte) 0x60, (byte) 0x00, (byte) 0x06 };

+

+	private final byte[] KEY_SELECTOR = new byte[] {

+

+	(byte) 0x83, (byte) 0x0C, (byte) 0x00, (byte) 0x00, (byte) 0x00,

+			(byte) 0x00, (byte) 0x20, (byte) 0x00, (byte) 0x00, (byte) 0x00,

+			(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x84,

+			(byte) 0x02, (byte) 0x02, (byte) 0x1F };

+

+	private final byte[] C_CV_IFD = new byte[] {

+

+	(byte) 0x7f, (byte) 0x21, (byte) 0x81, (byte) 0xcd, (byte) 0x5f,

+			(byte) 0x37, (byte) 0x81, (byte) 0x80, (byte) 0x82, (byte) 0x5b,

+			(byte) 0x69, (byte) 0xc6, (byte) 0x45, (byte) 0x1e, (byte) 0x5f,

+			(byte) 0x51, (byte) 0x70, (byte) 0x74, (byte) 0x38, (byte) 0x5f,

+			(byte) 0x2f, (byte) 0x17, (byte) 0xd6, (byte) 0x4d, (byte) 0xfe,

+			(byte) 0x2e, (byte) 0x68, (byte) 0x56, (byte) 0x75, (byte) 0x67,

+			(byte) 0x09, (byte) 0x4b, (byte) 0x57, (byte) 0xf3, (byte) 0xc5,

+			(byte) 0x78, (byte) 0xe8, (byte) 0x30, (byte) 0xe4, (byte) 0x25,

+			(byte) 0x57, (byte) 0x2d, (byte) 0xe8, (byte) 0x28, (byte) 0xfa,

+			(byte) 0xf4, (byte) 0xde, (byte) 0x1b, (byte) 0x01, (byte) 0xc3,

+			(byte) 0x94, (byte) 0xe3, (byte) 0x45, (byte) 0xc2, (byte) 0xfb,

+			(byte) 0x06, (byte) 0x29, (byte) 0xa3, (byte) 0x93, (byte) 0x49,

+			(byte) 0x2f, (byte) 0x94, (byte) 0xf5, (byte) 0x70, (byte) 0xb0,

+			(byte) 0x0b, (byte) 0x1d, (byte) 0x67, (byte) 0x77, (byte) 0x29,

+			(byte) 0xf7, (byte) 0x55, (byte) 0xd1, (byte) 0x07, (byte) 0x02,

+			(byte) 0x2b, (byte) 0xb0, (byte) 0xa1, (byte) 0x16, (byte) 0xe1,

+			(byte) 0xd7, (byte) 0xd7, (byte) 0x65, (byte) 0x9d, (byte) 0xb5,

+			(byte) 0xc4, (byte) 0xac, (byte) 0x0d, (byte) 0xde, (byte) 0xab,

+			(byte) 0x07, (byte) 0xff, (byte) 0x04, (byte) 0x5f, (byte) 0x37,

+			(byte) 0xb5, (byte) 0xda, (byte) 0xf1, (byte) 0x73, (byte) 0x2b,

+			(byte) 0x54, (byte) 0xea, (byte) 0xb2, (byte) 0x38, (byte) 0xa2,

+			(byte) 0xce, (byte) 0x17, (byte) 0xc9, (byte) 0x79, (byte) 0x41,

+			(byte) 0x87, (byte) 0x75, (byte) 0x9c, (byte) 0xea, (byte) 0x9f,

+			(byte) 0x92, (byte) 0xa1, (byte) 0x78, (byte) 0x05, (byte) 0xa2,

+			(byte) 0x7c, (byte) 0x10, (byte) 0x15, (byte) 0xec, (byte) 0x56,

+			(byte) 0xcc, (byte) 0x7e, (byte) 0x47, (byte) 0x1a, (byte) 0x48,

+			(byte) 0x8e, (byte) 0x6f, (byte) 0x1b, (byte) 0x91, (byte) 0xf7,

+			(byte) 0xaa, (byte) 0x5f, (byte) 0x38, (byte) 0x3c, (byte) 0xad,

+			(byte) 0xfc, (byte) 0x12, (byte) 0xe8, (byte) 0x56, (byte) 0xb2,

+			(byte) 0x02, (byte) 0x34, (byte) 0x6a, (byte) 0xf8, (byte) 0x22,

+			(byte) 0x6b, (byte) 0x1a, (byte) 0x88, (byte) 0x21, (byte) 0x37,

+			(byte) 0xdc, (byte) 0x3c, (byte) 0x5a, (byte) 0x57, (byte) 0xf0,

+			(byte) 0xd2, (byte) 0x81, (byte) 0x5c, (byte) 0x1f, (byte) 0xcd,

+			(byte) 0x4b, (byte) 0xb4, (byte) 0x6f, (byte) 0xa9, (byte) 0x15,

+			(byte) 0x7f, (byte) 0xdf, (byte) 0xfd, (byte) 0x79, (byte) 0xec,

+			(byte) 0x3a, (byte) 0x10, (byte) 0xa8, (byte) 0x24, (byte) 0xcc,

+			(byte) 0xc1, (byte) 0xeb, (byte) 0x3c, (byte) 0xe0, (byte) 0xb6,

+			(byte) 0xb4, (byte) 0x39, (byte) 0x6a, (byte) 0xe2, (byte) 0x36,

+			(byte) 0x59, (byte) 0x00, (byte) 0x16, (byte) 0xba, (byte) 0x69,

+			(byte) 0x00, (byte) 0x01, (byte) 0x00, (byte) 0x01, (byte) 0x42,

+			(byte) 0x08, (byte) 0x65, (byte) 0x73, (byte) 0x53, (byte) 0x44,

+			(byte) 0x49, (byte) 0x60, (byte) 0x00, (byte) 0x06

+

+	};

+

+	// PDU to retrieve card info

+	private final byte[] APDU_GET_CHIP_INFO = new byte[] { (byte) 0x90,

+			(byte) 0xB8, (byte) 0x00, (byte) 0x00, (byte) 0x07 };

+

+	// Path to card's component certificate

+	private final byte[] SECURE_CHANNEL_COMP_CERT_ID = new byte[] {

+			(byte) 0x60, (byte) 0x1F };

+

+	// Path to card's intermediate certificate

+	private final byte[] SECURE_CHANNEL_INTERMEDIAT_CERT_ID = new byte[] {

+			(byte) 0x60, (byte) 0x20 };

+

+	private final byte[] TERMINAL_CHALLENGE_TAIL = new byte[] {

+

+	(byte) 0x20, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,

+			(byte) 0x00, (byte) 0x00, (byte) 0x01 };

+

+	private final byte[] KENC_COMPUTATION_TAIL = new byte[] {

+

+	(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01 };

+

+	private final byte[] KMAC_COMPUTATION_TAIL = new byte[] {

+

+	(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02 };

+

+	private final int BLOCK_LENGTH = 8;

+

+	private final Logger log = LoggerFactory

+			.getLogger(DNIeSecuredChannel.class);

+

+	private byte[] snIcc;

+	private byte[] componentCert;

+	private byte[] intermediateCert;

+

+	private byte[] rndIfd;

+	private byte[] rndIcc;

+	private int prndLength;

+

+	private byte[] kicc;

+	private byte[] kifd;

+

+	private byte[] kEnc;

+	private byte[] kMac;

+	private byte[] ssc;

+

+	private boolean established;

+

+	public DNIeSecuredChannel(CardChannel channel) {

+

+		super(channel);

+		this.established = false;

+		

+		try {

+			this.establish();

+		} catch (CardException e) {

+			

+			log.error("Error establishing secure channel with card.", e);

+		}

+	}

+

+	public void establish() throws CardException {

+

+		log.trace("Try to set up secure channel to card..");

+

+		// get chip info

+		this.snIcc = executeGetChipInfo();

+

+		// get card certificates to establish secure channel

+		this.intermediateCert = executeReadCardCertificate(SECURE_CHANNEL_INTERMEDIAT_CERT_ID);

+		this.componentCert = executeReadCardCertificate(SECURE_CHANNEL_COMP_CERT_ID);

+

+		// verify card's secure channel certificates

+		verifyCertificates();

+

+		// load terminal secure channel certificates and select appropriate keys

+		loadTerminalCertsAndSelectKeys();

+

+		// perform internal authentication

+		performInternalAuthentication();

+

+		// perform external authentication

+		performExternalAuthentication();

+

+		// derive channel keys

+		calculateChannelKeys();

+

+		// secure channel successfully established

+		this.established = true;

+		log.trace("Secure channel successfully established.");

+

+	}

+

+	@Override

+	public int transmit(ByteBuffer command, ByteBuffer response)

+			throws CardException {

+		

+		byte[] commandAPDU = new byte[command.remaining()];

+		for(int i=0; i<commandAPDU.length; i++) {

+			

+			commandAPDU[i] = command.get();

+		}

+		

+		CommandAPDU apdu = new CommandAPDU(commandAPDU);

+		ResponseAPDU resp = transmit(apdu);

+		

+		byte[] responseData = resp.getBytes();

+		for(int i=0; i<responseData.length; i++) {

+			

+			response.put(responseData[i]);

+		}

+		

+		return responseData.length;

+	}

+

+	@Override

+	public ResponseAPDU transmit(CommandAPDU apdu) throws CardException {

+

+		if(!this.established) {

+			

+			this.establish();

+		}

+		

+		byte[] plainAPDUData = apdu.getBytes();

+		byte[] securedAPDUData = secureAPDU(plainAPDUData);

+

+		CommandAPDU securedAPDU = new CommandAPDU(securedAPDUData);

+		ResponseAPDU securedResp = super.transmit(securedAPDU);

+

+		byte[] respData = verifyAndDecryptSecuredResponseAPDU(securedResp.getData());

+		ResponseAPDU resp = new ResponseAPDU(respData);

+		

+		return resp;

+	}

+

+	private byte[] executeGetChipInfo() throws CardException {

+

+		// get chip info - read out card serial number

+		CommandAPDU command = new CommandAPDU(APDU_GET_CHIP_INFO);

+		ResponseAPDU resp = super.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error getting chip info: "

+					+ Integer.toHexString(resp.getSW()));

+			throw new CardException("Error getting chip info: "

+					+ Integer.toHexString(resp.getSW()));

+		}

+

+		return resp.getData();

+	}

+

+	private byte[] executeReadCardCertificate(byte[] certId)

+			throws CardException {

+

+		byte[] fci = executeSelect(certId);

+

+		byte certLenHigh;

+		byte certLenLow;

+

+		if (fci != null && fci.length >= 7) {

+

+			certLenHigh = fci[7];

+			certLenLow = fci[8];

+		} else {

+			log.error("Error reading card certificate: Invalid FCI");

+			throw new CardException("Invalid FCI obtained from card.");

+		}

+

+		ByteArrayOutputStream bof = new ByteArrayOutputStream();

+

+		int bytes2read = (certLenHigh * 256) + certLenLow;

+		int bytesRead = 0;

+

+		boolean done = false;

+		int offset = 0;

+		int len = 0;

+

+		while (!done) {

+

+			if (bytes2read - bytesRead > 255) {

+				len = 255;

+			} else {

+				len = bytes2read - bytesRead;

+			}

+

+			byte[] offsetBytes = SMCCHelper.toByteArray(offset);

+

+			byte[] apdu = new byte[5];

+			apdu[0] = (byte) 0x00;

+			apdu[1] = (byte) 0xB0;

+			apdu[2] = offsetBytes[0];

+			apdu[3] = offsetBytes[1];

+			apdu[4] = (byte) len;

+

+			CommandAPDU command = new CommandAPDU(apdu);

+			ResponseAPDU resp = super.transmit(command);

+

+			byte[] certData = resp.getData();

+

+			try {

+				bof.write(certData);

+			} catch (IOException e) {

+				log.error("Error reading card certificate.", e);

+				throw new CardException("Error reading certificate from card",

+						e);

+			}

+

+			bytesRead = bytesRead + certData.length;

+			offset = bytesRead;

+

+			if (bytesRead == bytes2read) {

+

+				done = true;

+			}

+		}

+

+		return bof.toByteArray();

+	}

+

+	private byte[] executeSelect(byte[] id) throws CardException {

+

+		byte[] apduHeader = new byte[] { (byte) 0x00, (byte) 0xA4, (byte) 0x00,

+				(byte) 0x00 };

+

+		byte[] apdu = new byte[apduHeader.length + 1 + id.length];

+		System.arraycopy(apduHeader, 0, apdu, 0, apduHeader.length);

+		apdu[apduHeader.length] = (byte) id.length;

+		System.arraycopy(id, 0, apdu, apduHeader.length + 1, id.length);

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = super.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error selecting DF or EF: " + Integer.toHexString(resp.getSW()));

+			throw new CardException("Unexpected response to Select Command: "

+					+ Integer.toHexString(resp.getSW()));

+		}

+

+		return resp.getData();

+

+	}

+

+	private void verifyCertificates() throws CardException {

+

+		// This method verifies the card's component and intermediate

+		// certificates cryptographically only.

+

+		RSAPublicKey rootPubKey = DNIeCryptoUtil.createRSAPublicKey(

+				ROOT_CA_MODULO, ROOT_CA_PUBEXP);

+

+		X509Certificate intermediate = DNIeCryptoUtil

+				.createCertificate(intermediateCert);

+		X509Certificate component = DNIeCryptoUtil

+				.createCertificate(componentCert);

+

+		try {

+			component.verify(intermediate.getPublicKey());

+			intermediate.verify(rootPubKey);

+		} catch (Exception e) {

+

+			log.error("Error verifying SM card certificate.", e);

+			throw new CardException("Certificate verification failed.", e);

+		}

+	}

+

+	private void loadTerminalCertsAndSelectKeys() throws CardException {

+

+		// MSE

+		executeManageSecurityEnvironment((byte) 0x81, (byte) 0xB6, new byte[] {

+				(byte) 0x83, (byte) 0x02, (byte) 0x02, (byte) 0x0F });

+

+		// PSO - load intermediate certificate

+		executePerformSecurityOperation(C_CV_CA);

+

+		// MSE

+		executeManageSecurityEnvironment((byte) 0x81, (byte) 0xB6, CHR);

+

+		// PSO - load terminal certificate

+		executePerformSecurityOperation(C_CV_IFD);

+

+		// MSE - select keys

+		executeManageSecurityEnvironment((byte) 0xC1, (byte) 0xA4, KEY_SELECTOR);		

+

+	}

+

+	private void executeManageSecurityEnvironment(byte p1, byte p2, byte[] data)

+			throws CardException {

+

+		// MSE

+		CommandAPDU command = new CommandAPDU((byte) 0x00, (byte) 0x22, p1, p2,

+				data);

+		ResponseAPDU resp = super.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error executing Manage Security Environment: " + Integer.toHexString(resp.getSW()));

+			throw new CardException(

+					"Unexpected response from card during preparation of secure channel credentials: "

+							+ Integer.toHexString(resp.getSW()));

+		}

+	}

+

+	private void executePerformSecurityOperation(byte[] data)

+			throws CardException {

+

+		// PSO - load intermediate certificate

+		CommandAPDU command = new CommandAPDU((byte) 0x00, (byte) 0x2A,

+				(byte) 0x00, (byte) 0xAE, data);

+		ResponseAPDU resp = super.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error executing Perform Security Operation: " + Integer.toHexString(resp.getSW()));

+			throw new CardException(

+					"Unexpected response from card during preparation of secure channel credentials: "

+							+ Integer.toHexString(resp.getSW()));

+		}

+	}

+

+	private void performInternalAuthentication() throws CardException {

+

+		log.trace("Starting internal authentication..");

+

+		byte[] randomBytes = DNIeCryptoUtil.getRandomBytes(BLOCK_LENGTH);

+		byte[] challengeData = new byte[randomBytes.length

+				+ TERMINAL_CHALLENGE_TAIL.length];

+

+		this.rndIfd = randomBytes;

+

+		System.arraycopy(randomBytes, 0, challengeData, 0, randomBytes.length);

+		System.arraycopy(TERMINAL_CHALLENGE_TAIL, 0, challengeData,

+				randomBytes.length, TERMINAL_CHALLENGE_TAIL.length);

+

+		byte[] responseData = executeSendTerminalChallenge(challengeData);

+

+		// verify response

+		boolean ok = verifyCardResponse(responseData);

+

+		log.trace("Internal Authentiction succeeded: " + ok);

+

+		if (!ok) {

+			

+			log.error("Internal authentication failed - unable to sucessfully verify card response.");

+			throw new CardException("Internal authentication failed");

+		}

+

+	}

+

+	private byte[] executeSendTerminalChallenge(byte[] challenge)

+			throws CardException {

+

+		// send challenge to card

+		CommandAPDU command = new CommandAPDU((byte) 0x00, (byte) 0x88,

+				(byte) 0x00, (byte) 0x00, challenge);

+		ResponseAPDU resp = super.transmit(command);

+

+		byte[] data = null;

+

+		if (resp.getSW() == 0x9000) {

+

+			data = resp.getData();

+

+		} else {

+

+			log.error("Error sending terminal challenge to card: " + Integer.toHexString(resp.getSW()));

+			throw new CardException("Invalid response to terminal challenge: "

+					+ Integer.toHexString(resp.getSW()));

+		}

+

+		return data;

+	}

+

+	private boolean verifyCardResponse(byte[] resp) throws CardException {

+

+		byte[] challenge = this.rndIfd;

+		byte[] response = resp;

+

+		// decrypt response with terminal private key

+		byte[] plain = null;

+		RSAPrivateKey terminalPrivateKey = DNIeCryptoUtil.createRSAPrivateKey(

+				TERMINAL_MODULO, TERMINAL_PRIVEXP);

+		try {

+			plain = DNIeCryptoUtil.rsaDecrypt(terminalPrivateKey, response);

+		} catch (Exception e) {

+			log.error("Error verifying card response.");

+			throw new CardException("Error decrypting card response.", e);

+		}

+

+		X509Certificate cert = DNIeCryptoUtil.createCertificate(componentCert);

+		PublicKey pubKey = cert.getPublicKey();

+

+		byte[] sig = null;

+

+		try {

+			sig = DNIeCryptoUtil.rsaDecrypt(pubKey, plain);

+

+		} catch (Exception e) {

+

+			log.error("Error verifying card response.", e);

+			throw new CardException(

+					"Error decrypting card response with card's public key", e);

+		}

+

+		if (sig == null) {

+

+			log.error("Error verifying card response - decryption result is null");

+			throw new CardException("Invalid decryption result: null.");

+		} else {

+

+			if (sig[0] == (byte) 0x6A && sig[sig.length - 1] == (byte) 0xBC) {

+

+				// Obtained response from card was obviously SIG - nothing else

+				// to do here so far

+

+			} else {

+

+				// Obtained response from card was probably N.ICC-SIG -

+				// compute N.ICC-SIG and decrypt result again

+

+				RSAPublicKey rsaPubKey = (RSAPublicKey) pubKey;

+				BigInteger mod = rsaPubKey.getModulus();

+				BigInteger sigVal = SMCCHelper.createUnsignedBigInteger(plain);

+

+				BigInteger substractionResult = mod.subtract(sigVal);

+				byte[] encrypted = substractionResult.toByteArray();

+

+				// necessary if substraction result contains leading

+				// zero byte

+				byte[] trimmed = new byte[128];

+				System.arraycopy(encrypted, encrypted.length - 128, trimmed, 0,

+						128);

+

+				try {

+					sig = DNIeCryptoUtil.rsaDecrypt(pubKey, trimmed);

+

+				} catch (Exception e) {

+

+					log.error("Error verifying card response.", e);

+					throw new CardException("Error decrypting card response.",

+							e);

+				}

+			}

+		}

+

+		// extract data from decrypted response

+		byte[] hash = new byte[20];

+		byte[] kIcc = new byte[32];

+		byte[] prnd1 = new byte[sig.length - 2 - 20 - 32];

+

+		this.prndLength = prnd1.length;

+

+		System.arraycopy(sig, 1, prnd1, 0, prnd1.length); // 1 byte offset due

+		// to 6A padding

+		System.arraycopy(sig, prnd1.length + 1, kIcc, 0, kIcc.length);

+		System.arraycopy(sig, prnd1.length + kIcc.length + 1, hash, 0,

+				hash.length);

+

+		// verify hash

+		byte[] hashData = new byte[prnd1.length + kIcc.length

+				+ challenge.length + TERMINAL_CHALLENGE_TAIL.length];

+

+		System.arraycopy(prnd1, 0, hashData, 0, prnd1.length);

+		System.arraycopy(kIcc, 0, hashData, prnd1.length, kIcc.length);

+		System.arraycopy(challenge, 0, hashData, prnd1.length + kIcc.length,

+				challenge.length);

+		System.arraycopy(TERMINAL_CHALLENGE_TAIL, 0, hashData, prnd1.length

+				+ kIcc.length + challenge.length,

+				TERMINAL_CHALLENGE_TAIL.length);

+

+		byte[] digest = DNIeCryptoUtil.computeSHA1Hash(hashData);

+

+		boolean internalAuthResult = Arrays.equals(hash, digest);

+

+		if (internalAuthResult) {

+

+			// if verification succeeded, remember kicc for subsequent channel

+			// key derivation

+			this.kicc = kIcc;

+		}

+

+		return internalAuthResult;

+	}

+

+	private void performExternalAuthentication() throws CardException {

+

+		log.trace("Performing external authentication.");

+		

+		byte[] cardChallenge = executeRequestCardChallenge();

+

+		this.rndIcc = cardChallenge;

+

+		byte[] prnd2 = DNIeCryptoUtil.getRandomBytes(this.prndLength);

+		byte[] kIfd = DNIeCryptoUtil.getRandomBytes(32);

+

+		// compute hash

+		byte[] hashData = new byte[prnd2.length + kIfd.length

+				+ cardChallenge.length + BLOCK_LENGTH];

+

+		System.arraycopy(prnd2, 0, hashData, 0, prnd2.length);

+		System.arraycopy(kIfd, 0, hashData, prnd2.length, kIfd.length);

+		System.arraycopy(cardChallenge, 0, hashData,

+				prnd2.length + kIfd.length, cardChallenge.length);

+

+		int snPadding = BLOCK_LENGTH - snIcc.length;

+

+		for (int i = 0; i < snPadding; i++) {

+

+			hashData[prnd2.length + kIfd.length + cardChallenge.length + i] = (byte) 0x00;

+		}

+

+		System.arraycopy(snIcc, 0, hashData, prnd2.length + kIfd.length

+				+ cardChallenge.length + snPadding, snIcc.length);

+

+		byte[] digest = DNIeCryptoUtil.computeSHA1Hash(hashData);

+

+		// prepare data to be encrypted

+		byte[] plain = new byte[2 + prnd2.length + kIfd.length + digest.length];

+

+		plain[0] = (byte) 0x6A;

+

+		System.arraycopy(prnd2, 0, plain, 1, prnd2.length);

+		System.arraycopy(kIfd, 0, plain, 1 + prnd2.length, kIfd.length);

+		System.arraycopy(digest, 0, plain, 1 + prnd2.length + kIfd.length,

+				digest.length);

+

+		plain[plain.length - 1] = (byte) 0xBC;

+

+		// encrypt plain data

+		RSAPrivateKey terminalPrivateKey = DNIeCryptoUtil.createRSAPrivateKey(

+				TERMINAL_MODULO, TERMINAL_PRIVEXP);

+

+		byte[] encResult = null;

+		try {

+			encResult = DNIeCryptoUtil.rsaEncrypt(terminalPrivateKey, plain);

+		} catch (Exception e) {

+			log.error("Error performing external authentication.", e);

+			throw new CardException("Error encrypting authentication data.", e);

+		}

+

+		// apply MIN function

+		BigInteger sig = SMCCHelper.createUnsignedBigInteger(encResult);

+		BigInteger mod = new BigInteger(TERMINAL_MODULO, 16);

+

+		BigInteger diff = mod.subtract(sig);

+		BigInteger sigMin = diff.min(sig);

+

+		// encrypt with card public key

+		PublicKey cardPubKey = null;

+

+		X509Certificate cert = DNIeCryptoUtil.createCertificate(componentCert);

+		cardPubKey = cert.getPublicKey();

+

+		byte[] authData = null;

+		try {

+			authData = DNIeCryptoUtil.rsaEncrypt(cardPubKey, sigMin

+					.toByteArray());

+		} catch (Exception e) {

+			log.error("Error performing external authentication.", e);

+			throw new CardException("Error encrypting authentication data.", e);

+		}

+

+		// send auth data to card

+		// BE CAREFUL WITH THAT! EXT-AUTH METHOD MAY GET BLOCKED!

+		if (executeExternalAuthenticate(authData)) {

+

+			log.trace("External authentication succeeded.");

+			this.kifd = kIfd;			

+		} else {

+			log.error("Error performing external authentication.");

+			throw new CardException("External Authentication failed.");

+		}

+

+	}

+

+	private byte[] executeRequestCardChallenge() throws CardException {

+

+		CommandAPDU command = new CommandAPDU((byte) 0x00, (byte) 0x84,

+				(byte) 0x00, (byte) 0x00, (byte) BLOCK_LENGTH);

+		ResponseAPDU resp = super.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error requesting challenge from card: " + Integer.toHexString(resp.getSW()));

+			throw new CardException(

+					"Invalid response from card upon challenge request: "

+							+ Integer.toHexString(resp.getSW()));

+		}

+

+		return resp.getData();

+	}

+

+	private boolean executeExternalAuthenticate(byte[] authData)

+			throws CardException {

+

+		CommandAPDU command = new CommandAPDU((byte) 0x00, (byte) 0x82,

+				(byte) 0x00, (byte) 0x00, authData);

+		ResponseAPDU resp = super.transmit(command);

+

+		return resp.getSW() == 0x9000;

+	}

+

+	private void calculateChannelKeys() throws CardException {

+

+		if (this.kicc == null || this.kifd == null) {

+

+			log.error("Error generating channel keys - required key data is null.");

+			throw new CardException(

+					"Required data for deriving keys not available.");

+		}

+

+		if (this.kicc.length != this.kifd.length) {

+

+			log.error("Error generating channel keys - invalid key data");

+			throw new CardException(

+					"Required data for deriving keys is invalid.");

+		}

+

+		byte[] kifdicc = new byte[this.kicc.length];

+

+		for (int i = 0; i < kifdicc.length; i++) {

+

+			kifdicc[i] = (byte) (this.kicc[i] ^ this.kifd[i]);

+		}

+

+		byte[] kEncHashData = new byte[kifdicc.length

+				+ KENC_COMPUTATION_TAIL.length];

+		byte[] kMacHashData = new byte[kifdicc.length

+				+ KMAC_COMPUTATION_TAIL.length];

+

+		System.arraycopy(kifdicc, 0, kEncHashData, 0, kifdicc.length);

+		System.arraycopy(kifdicc, 0, kMacHashData, 0, kifdicc.length);

+

+		System.arraycopy(KENC_COMPUTATION_TAIL, 0, kEncHashData,

+				kifdicc.length, KENC_COMPUTATION_TAIL.length);

+		System.arraycopy(KMAC_COMPUTATION_TAIL, 0, kMacHashData,

+				kifdicc.length, KMAC_COMPUTATION_TAIL.length);

+

+		byte[] hashEnc = DNIeCryptoUtil.computeSHA1Hash(kEncHashData);

+		byte[] hashMac = DNIeCryptoUtil.computeSHA1Hash(kMacHashData);

+

+		this.kEnc = Arrays.copyOfRange(hashEnc, 0, 16);

+		this.kMac = Arrays.copyOfRange(hashMac, 0, 16);

+

+		// compute sequence counter SSC

+		if (this.rndIcc == null || this.rndIfd == null

+				|| this.rndIcc.length < 4 || this.rndIfd.length < 4) {

+

+			log.error("Error generating channel keys - invlaid ssc data");

+			throw new CardException("Data required to compute SSC not valid.");

+		}

+

+		this.ssc = new byte[BLOCK_LENGTH];

+

+		System.arraycopy(this.rndIcc, this.rndIcc.length - 4, this.ssc, 0, 4);

+		System.arraycopy(this.rndIfd, this.rndIfd.length - 4, this.ssc, 4, 4);

+	}

+

+	

+	private byte[] secureAPDUWithoutData(byte[] apdu) throws CardException {

+		

+		if(apdu.length < 4 || apdu.length > 5) {

+			

+			log.error("Error securing APDU - invalid APDU length: " + apdu.length);

+			throw new CardException("Invalid APDU length.");

+		}

+		

+		boolean leAvailable = apdu.length == 5;

+

+		byte encCLA = (byte) (apdu[0] | (byte) 0x0C);

+		byte[] encHeader = new byte[] { encCLA, apdu[1], apdu[2],

+				apdu[3] };

+		byte[] paddedHeader = DNIeCryptoUtil.applyPadding(BLOCK_LENGTH,

+				encHeader);

+

+		int leFieldLen;

+		byte[] leField = null;

+		if(leAvailable) {

+			leField = new byte[3];

+			leField[0] = (byte) 0x97;

+			leField[1] = (byte) 0x01;

+			leField[2] = apdu[4];

+			leFieldLen = leField.length;

+		} else {

+			

+			leFieldLen = 0;

+		}

+

+		byte[] macData = new byte[paddedHeader.length + leFieldLen];

+		System.arraycopy(paddedHeader, 0, macData, 0,

+				paddedHeader.length);

+		

+		if(leAvailable) {

+			System.arraycopy(leField, 0, macData, paddedHeader.length,

+					leField.length);

+			

+			macData = DNIeCryptoUtil.applyPadding(

+					BLOCK_LENGTH, macData);			

+		}

+

+		incrementSSC();

+

+		byte[] mac = DNIeCryptoUtil.calculateAPDUMAC(macData,

+				kMac, this.ssc, BLOCK_LENGTH);

+

+		byte[] encapsulatedMac = new byte[mac.length + 2];

+		encapsulatedMac[0] = (byte) 0x8E;

+		encapsulatedMac[1] = (byte) mac.length;

+		System.arraycopy(mac, 0, encapsulatedMac, 2, mac.length);

+

+		byte[] completeMessage = new byte[5 + leFieldLen

+				+ encapsulatedMac.length];

+		completeMessage[0] = encCLA;

+		completeMessage[1] = apdu[1];

+		completeMessage[2] = apdu[2];

+		completeMessage[3] = apdu[3];

+		completeMessage[4] = (byte) (encapsulatedMac.length + leFieldLen);

+		

+		if(leAvailable) {

+			System

+					.arraycopy(leField, 0, completeMessage, 5,

+							leField.length);

+		}

+		

+		System.arraycopy(encapsulatedMac, 0, completeMessage,

+				5 + leFieldLen, encapsulatedMac.length);

+

+		return completeMessage;		

+		

+	}

+	

+	private byte[] secureAPDUWithData(byte[] apdu) throws CardException {

+

+		if(apdu.length < 6) {

+			

+			log.error("Error securing APDU - invalid APDU length: " + apdu.length);

+			throw new CardException("Error securing APDU - invalid APDU length: " + apdu.length);

+		}

+		

+		byte cla = apdu[0];

+		byte ins = apdu[1];

+		byte p1 = apdu[2];

+		byte p2 = apdu[3];

+		byte lc = apdu[4];

+

+		boolean leAvailable;

+		if(apdu.length == lc + 5 + 1) {

+			

+			leAvailable = true;

+		} else if(apdu.length != lc + 5) {

+			

+			log.error("Error securing APDU - invalid APDU length: " + apdu.length);

+			throw new CardException("Invalid APDU length or format.");

+		} else {

+			

+			leAvailable = false;

+		}

+		

+		byte[] leField = null;

+		if(leAvailable) {

+		    

+			byte le = apdu[apdu.length-1];

+			

+			leField = new byte[3];

+			leField[0] = (byte) 0x97;

+			leField[1] = (byte) 0x01;

+			leField[2] = le;

+		}

+

+		byte[] data = new byte[lc];

+		System.arraycopy(apdu, 5, data, 0, lc);

+

+		byte[] paddedData = DNIeCryptoUtil.applyPadding(BLOCK_LENGTH, data);

+

+		byte[] encrypted = null;

+

+		try {

+

+			encrypted = DNIeCryptoUtil.perform3DESCipherOperation(paddedData,

+					kEnc, Cipher.ENCRYPT_MODE);

+

+		} catch (Exception e) {

+

+			log.error("Error encrypting APDU.", e);

+			throw new CardException("Error encrypting APDU.", e);

+		}

+

+		byte[] encapsulated = new byte[encrypted.length + 3];

+		encapsulated[0] = (byte) 0x87;

+		encapsulated[1] = (byte) (encrypted.length + 1);

+		encapsulated[2] = (byte) 0x01;

+		System.arraycopy(encrypted, 0, encapsulated, 3, encrypted.length);

+

+		// calculate MAC

+		byte encCLA = (byte) (cla | (byte) 0x0C);

+		byte[] encHeader = new byte[] { encCLA, ins, p1, p2 };

+		byte[] paddedHeader = DNIeCryptoUtil.applyPadding(BLOCK_LENGTH,

+				encHeader);

+

+		byte[] headerAndData = new byte[paddedHeader.length

+				+ encapsulated.length];

+		System

+				.arraycopy(paddedHeader, 0, headerAndData, 0,

+						paddedHeader.length);

+		System.arraycopy(encapsulated, 0, headerAndData, paddedHeader.length,

+				encapsulated.length);

+

+		if(leAvailable) {

+			byte[] macData = new byte[headerAndData.length + leField.length];

+			System.arraycopy(headerAndData, 0, macData, 0, headerAndData.length);

+			System.arraycopy(leField, 0, macData, headerAndData.length, leField.length);

+			

+			headerAndData = macData;

+		}

+		

+		byte[] paddedHeaderAndData = DNIeCryptoUtil.applyPadding(BLOCK_LENGTH,

+				headerAndData);

+

+		incrementSSC();

+

+		byte[] mac = DNIeCryptoUtil.calculateAPDUMAC(paddedHeaderAndData, kMac,

+				this.ssc, BLOCK_LENGTH);

+

+		byte[] encapsulatedMac = new byte[mac.length + 2];

+		encapsulatedMac[0] = (byte) 0x8E;

+		encapsulatedMac[1] = (byte) mac.length;

+		System.arraycopy(mac, 0, encapsulatedMac, 2, mac.length);

+

+		int leFieldLen;

+		if(leAvailable) {

+			leFieldLen = leField.length;

+		} else {

+			leFieldLen = 0;

+		}

+		

+		byte[] completeMessage = new byte[5 + encapsulated.length

+				+ encapsulatedMac.length + leFieldLen];

+		completeMessage[0] = encCLA;

+		completeMessage[1] = ins;

+		completeMessage[2] = p1;

+		completeMessage[3] = p2;

+		

+		completeMessage[4] = (byte) (encapsulated.length + leFieldLen + encapsulatedMac.length);

+		System.arraycopy(encapsulated, 0, completeMessage, 5,

+				encapsulated.length);

+		

+		if(leAvailable) {

+			System.arraycopy(leField, 0, completeMessage, 5 + encapsulated.length, leFieldLen);

+		}

+		

+		System.arraycopy(encapsulatedMac, 0, completeMessage,

+				5 + encapsulated.length + leFieldLen, encapsulatedMac.length);

+

+		return completeMessage;	

+

+	}

+	

+	private byte[] secureAPDU(byte[] apdu) throws CardException {

+

+		if (apdu == null || apdu.length < 4) {

+

+			log.error("Invalid APDU to secure.");

+			throw new CardException("Invalid APDU to secure.");

+		}

+

+		if (apdu.length == 4 || apdu.length == 5) {

+

+			return secureAPDUWithoutData(apdu);

+		}

+

+		if(apdu.length > 5) {

+

+			return secureAPDUWithData(apdu);

+		}

+		

+		throw new CardException("Error securing APDU - unexpected APDU length.");		

+	}

+

+	private byte[] verifyAndDecryptSecuredResponseAPDU(byte[] securedAPDU)

+			throws CardException {

+

+		byte[] data = new byte[securedAPDU.length - 10];

+		byte[] commandResponse = new byte[4];

+		byte[] obtainedMac = new byte[4];

+

+		System.arraycopy(securedAPDU, 0, data, 0, data.length);

+		System.arraycopy(securedAPDU, data.length, commandResponse, 0,

+				commandResponse.length);

+		System.arraycopy(securedAPDU, data.length + commandResponse.length + 2,

+				obtainedMac, 0, obtainedMac.length);

+

+		byte[] macData = new byte[data.length + commandResponse.length];

+		System.arraycopy(data, 0, macData, 0, data.length);

+		System.arraycopy(commandResponse, 0, macData, data.length,

+				commandResponse.length);

+

+		byte[] paddedMacData = DNIeCryptoUtil.applyPadding(BLOCK_LENGTH, macData);

+

+		incrementSSC();

+

+		byte[] mac = DNIeCryptoUtil.calculateAPDUMAC(paddedMacData, this.kMac, this.ssc, BLOCK_LENGTH);

+

+		if (!Arrays.equals(mac, obtainedMac)) {

+

+			log.error("Error verifiying MAC of secured response. MAC values do not match.");

+			throw new CardException("Unable to verify MAC of Response APDU.");

+		}

+

+		if (data.length > 0) {

+

+			byte[] data2decrypt = new byte[data.length

+					- DNIeCryptoUtil.getCutOffLength(data, BLOCK_LENGTH)];

+			System.arraycopy(data, DNIeCryptoUtil.getCutOffLength(data, BLOCK_LENGTH),

+					data2decrypt, 0, data2decrypt.length);

+

+			byte[] plainData = null;

+

+			try {

+				plainData = DNIeCryptoUtil.perform3DESCipherOperation(data2decrypt, this.kEnc,

+						Cipher.DECRYPT_MODE);

+			} catch (Exception e) {

+				log.error("Error decrypting data.", e);

+				throw new CardException("Unable to decrypt data.", e);

+			}

+

+			byte[] unpaddedData = DNIeCryptoUtil.removePadding(plainData);

+

+			byte[] result = new byte[unpaddedData.length + 2];

+			System.arraycopy(unpaddedData, 0, result, 0, unpaddedData.length);

+			result[result.length - 2] = commandResponse[2];

+			result[result.length - 1] = commandResponse[3];

+

+			return result;

+		} else {

+

+			// no data in response

+			byte[] result = new byte[2];

+			result[result.length - 2] = commandResponse[2];

+			result[result.length - 1] = commandResponse[3];

+			return result;

+		}

+	}

+

+	private void incrementSSC() {

+

+		BigInteger ssc = new BigInteger(this.ssc);

+		ssc = ssc.add(new BigInteger("1", 10));

+		this.ssc = ssc.toByteArray();

+	}

+}

diff --git a/smcc/src/main/java/at/gv/egiz/smcc/ESDNIeCard.java b/smcc/src/main/java/at/gv/egiz/smcc/ESDNIeCard.java
new file mode 100644
index 00000000..1c30ca57
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/ESDNIeCard.java
@@ -0,0 +1,495 @@
+package at.gv.egiz.smcc;

+

+import java.io.ByteArrayOutputStream;

+import java.io.IOException;

+import java.io.InputStream;

+import java.security.MessageDigest;

+import java.security.NoSuchAlgorithmException;

+import java.util.zip.DataFormatException;

+import java.util.zip.Inflater;

+

+import javax.smartcardio.CardChannel;

+import javax.smartcardio.CardException;

+import javax.smartcardio.ResponseAPDU;

+import javax.smartcardio.CommandAPDU;

+

+import org.slf4j.Logger;

+import org.slf4j.LoggerFactory;

+

+import at.gv.egiz.smcc.pin.gui.PINGUI;

+import at.gv.egiz.smcc.util.SMCCHelper;

+

+public class ESDNIeCard extends AbstractSignatureCard implements SignatureCard {

+

+	private final byte[] MASTER_FILE_ID = new byte[] {

+

+	(byte) 0x4D, (byte) 0x61, (byte) 0x73, (byte) 0x74, (byte) 0x65,

+			(byte) 0x72, (byte) 0x2E, (byte) 0x46, (byte) 0x69, (byte) 0x6C,

+			(byte) 0x65 };

+

+	private final byte[] HASH_PADDING = new byte[] {

+

+	(byte) 0x30, (byte) 0x21, (byte) 0x30, (byte) 0x09, (byte) 0x06,

+			(byte) 0x05, (byte) 0x2B, (byte) 0x0E, (byte) 0x03, (byte) 0x02,

+			(byte) 0x1A, (byte) 0x05, (byte) 0x00, (byte) 0x04, (byte) 0x14 };

+

+	private final String SIG_KEY_NAME = "KprivFirmaDigital";

+	private final String SIG_CERT_NAME = "CertFirmaDigital";

+

+	private final Logger log = LoggerFactory.getLogger(ESDNIeCard.class);

+

+	protected PinInfo pinInfo = new PinInfo(8, 16,

+			"[0-9A-Za-z_<>!()?%\\-=&+\\.]", "at/gv/egiz/smcc/ESDNIeCard",

+			"sig.pin", (byte) 0x00, new byte[] {}, PinInfo.UNKNOWN_RETRIES);

+

+	protected CardChannel channel;

+

+	@Override

+	protected CardChannel getCardChannel() {

+

+		if (channel == null) {

+

+			channel = new DNIeSecuredChannel(getCard().getBasicChannel());

+		}

+

+		return channel;

+	}

+

+	@Override

+	public byte[] createSignature(InputStream input, KeyboxName keyboxName,

+			PINGUI pinGUI, String alg) throws SignatureCardException,

+			InterruptedException, IOException {

+

+		CardChannel channel = getCardChannel();

+

+		try {

+

+			// Select MF

+			executeSelectMasterFile(channel);

+

+			// Select DF.CIA

+			executeSelectDFCIA(channel);

+

+			EFObjectDirectory efOd = new EFObjectDirectory();

+			efOd.selectAndRead(channel);

+

+			DNIeCIOCertificateDirectory efPrkd = new DNIeCIOCertificateDirectory(

+					efOd.getEf_prkd());

+			efPrkd.selectAndRead(channel);

+

+			byte[] efKey = null;

+			for (CIOCertificate cioCertificate : efPrkd.getCIOs()) {

+				String label = cioCertificate.getLabel();

+				if (label != null

+						&& label.toLowerCase().contains(

+								SIG_KEY_NAME.toLowerCase())) {

+					efKey = cioCertificate.getEfidOrPath();

+				}

+			}

+

+			// Check PIN

+			// CommandAPDU c = new CommandAPDU((byte) 0x00, (byte) 0x20,

+			// (byte) 0x00, (byte) 0x00);

+			// ResponseAPDU r = channel.transmit(c);

+			// log.debug("Answer to PIN Check: "

+			// + SMCCHelper.toString(r.getBytes()));

+

+			if (efKey == null) {

+				throw new NotActivatedException();

+			}

+			

+			verifyPINLoop(channel, pinInfo, pinGUI);

+

+			if (efKey != null && efKey.length >= 2) {

+

+				byte[] keyId = new byte[2];

+				keyId[0] = efKey[efKey.length - 2];

+				keyId[1] = efKey[efKey.length - 1];

+

+				executeManageSecurityEnvironment(channel, keyId);

+			} else {

+

+				throw new CardException(

+						"Unable to determine valid key path. Key path either null or unexpected length.");

+			}

+

+			MessageDigest md;

+			try {

+				md = MessageDigest.getInstance("SHA-1");

+			} catch (NoSuchAlgorithmException e) {

+				log.error("Failed to get MessageDigest.", e);

+				throw new SignatureCardException(e);

+			}

+			// calculate message digest

+			byte[] digest = new byte[md.getDigestLength()];

+			for (int l; (l = input.read(digest)) != -1;) {

+				md.update(digest, 0, l);

+			}

+			digest = md.digest();

+

+			return executeCreateSignature(channel, digest);

+

+		} catch (CardException e) {

+

+			log.error("Error during signature creation.", e);

+			throw new SignatureCardException(

+					"Error creating signature with DNIe card.", e);

+		}

+	}

+

+	@Override

+	public byte[] getCertificate(KeyboxName keyboxName, PINGUI pinGUI)

+			throws SignatureCardException, InterruptedException {

+

+		byte[] result = null;

+

+		CardChannel channel = getCardChannel();

+

+		byte[] certId = null;

+

+		try {

+

+			// Select MF

+			executeSelectMasterFile(channel);

+

+			// Select DF.CIA

+			executeSelectDFCIA(channel);

+

+			byte[] efQcert = null;

+

+			EFObjectDirectory efOd = new EFObjectDirectory();

+			efOd.selectAndRead(channel);

+

+			DNIeCIOCertificateDirectory efCd = new DNIeCIOCertificateDirectory(

+					efOd.getEf_cd());

+

+			try {

+				efCd.selectAndRead(channel);

+			} catch (IOException e) {

+

+				throw new CardException("Error retrieving certificate path. ",

+						e);

+			}

+

+			for (CIOCertificate cioCertificate : efCd.getCIOs()) {

+				String label = cioCertificate.getLabel();

+				if (label != null

+						&& label.toLowerCase().contains(

+								SIG_CERT_NAME.toLowerCase())) {

+					efQcert = cioCertificate.getEfidOrPath();

+				}

+			}

+

+			if (efQcert == null) {

+				throw new NotActivatedException();

+			}

+

+			if (efQcert.length == 4) {

+

+				certId = efQcert;

+			} else {

+

+				throw new CardException(

+						"Unable to determine valid certificate path. Cert path has unexpected length.");

+			}

+

+			// verify PIN to be able to read certificate

+			verifyPINLoop(channel, pinInfo, pinGUI);

+

+			// select master file

+			executeSelectMasterFile(channel);

+

+			// select certificate path

+			executeSelect(channel, new byte[] { certId[0], certId[1] });

+			byte[] fci = executeSelect(channel, new byte[] { certId[2],

+					certId[3] });

+

+			byte sizeHi = fci[7];

+			byte sizeLo = fci[8];

+

+			byte[] data = executeReadBinary(channel, sizeHi, sizeLo);

+

+			byte[] compressedWithoutHeader = new byte[data.length - 8];

+			System.arraycopy(data, 8, compressedWithoutHeader, 0,

+					compressedWithoutHeader.length);

+

+			result = decompressData(compressedWithoutHeader);

+

+		} catch (CardException e) {

+

+			log.error("Error reading certificate from card.", e);

+			throw new SignatureCardException(

+					"Error reading certificate from card.", e);

+		}

+

+		return result;

+	}

+

+	@Override

+	public byte[] getInfobox(String infobox, PINGUI pinGUI, String domainId)

+			throws SignatureCardException, InterruptedException {

+

+		log.debug("Attempting to read infobox from DNIe..");

+

+		throw new IllegalArgumentException("Infobox '" + infobox

+				+ "' not supported.");

+	}

+

+	protected void verifyPINLoop(CardChannel channel, PinInfo spec,

+			PINGUI provider) throws LockedException, NotActivatedException,

+			SignatureCardException, InterruptedException, CardException {

+

+		int retries = -1;

+		do {

+			retries = verifyPIN(channel, spec, provider, retries);

+		} while (retries > 0);

+	}

+

+	protected int verifyPIN(CardChannel channel, PinInfo pinSpec,

+			PINGUI provider, int retries) throws SignatureCardException,

+			LockedException, NotActivatedException, InterruptedException,

+			CardException {

+

+		char[] pin = provider.providePIN(pinSpec, retries);

+

+		byte[] apdu = new byte[5 + pin.length];

+		apdu[0] = (byte) 0x00;

+		apdu[1] = (byte) 0x20;

+		apdu[2] = (byte) 0x00;

+		apdu[3] = (byte) 0x00;

+		apdu[4] = (byte) pin.length;

+

+		for (int i = 0; i < pin.length; i++) {

+

+			apdu[i + 5] = (byte) pin[i];

+		}

+

+		ResponseAPDU resp = channel.transmit(new CommandAPDU(apdu));

+		int result = resp.getSW();

+

+		if (result == 0x9000) {

+			return -1;

+		}

+		if (result >> 4 == 0x63c) {

+			return 0x0f & result;

+		}

+

+		switch (result) {

+		case 0x6983:

+			// authentication method blocked

+			throw new LockedException();

+

+		default:

+			String msg = "VERIFY failed. SW=" + Integer.toHexString(result);

+			log.info(msg);

+			throw new SignatureCardException(msg);

+		}

+	}

+

+	private void executeSelectMasterFile(CardChannel channel)

+			throws CardException {

+

+		byte[] apdu = new byte[MASTER_FILE_ID.length + 5];

+		apdu[0] = (byte) 0x00;

+		apdu[1] = (byte) 0xA4;

+		apdu[2] = (byte) 0x04;

+		apdu[3] = (byte) 0x00;

+		apdu[4] = (byte) MASTER_FILE_ID.length;

+		System.arraycopy(MASTER_FILE_ID, 0, apdu, 5, MASTER_FILE_ID.length);

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = channel.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error selecting master file: "

+					+ Integer.toHexString(resp.getSW()));

+			throw new CardException("Error selecting master file: "

+					+ Integer.toHexString(resp.getSW()));

+		}

+	}

+

+	private void executeSelectDFCIA(CardChannel channel) throws CardException {

+

+		executeSelect(channel, new byte[] { (byte) 0x50, (byte) 0x015 });

+	}

+

+	private byte[] executeSelect(CardChannel channel, byte[] id)

+			throws CardException {

+

+		byte[] apduHeader = new byte[] {

+

+		(byte) 0x00, (byte) 0xA4, (byte) 0x00, (byte) 0x00, (byte) id.length };

+

+		byte[] apdu = new byte[apduHeader.length + id.length];

+		System.arraycopy(apduHeader, 0, apdu, 0, apduHeader.length);

+		System.arraycopy(id, 0, apdu, apduHeader.length, id.length);

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = channel.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("error selecting file " + SMCCHelper.toString(id) + ": "

+					+ Integer.toHexString(resp.getSW()));

+			throw new CardException("Error selecting file "

+					+ SMCCHelper.toString(id) + ": "

+					+ Integer.toHexString(resp.getSW()));

+		}

+

+		return resp.getData();

+	}

+

+	private byte[] executeReadBinary(CardChannel channel, byte lengthHi,

+			byte lengthLo) throws CardException {

+

+		ByteArrayOutputStream bof = new ByteArrayOutputStream();

+

+		int bytes2read = (lengthHi * 256) + lengthLo;

+		int bytesRead = 0;

+

+		boolean done = false;

+

+		int offset = 0;

+		int len = 0;

+

+		while (!done) {

+

+			if (bytes2read - bytesRead > 0xef) {

+				len = 0xef;

+			} else {

+				len = bytes2read - bytesRead;

+			}

+

+			byte[] offsetBytes = SMCCHelper.toByteArray(offset);

+			ResponseAPDU resp = readFromCard(channel, offsetBytes[0],

+					offsetBytes[1], (byte) len);

+

+			if (resp.getSW1() == (byte) 0x6C) {

+

+				// handle case: card returns 6CXX (wrong number of bytes

+				// requested)

+

+				resp = readFromCard(channel, offsetBytes[0], offsetBytes[1],

+						(byte) resp.getSW2());

+

+				// this has to be the final iteration

+				done = true;

+			}

+

+			try {

+				bof.write(resp.getData());

+			} catch (IOException e) {

+				log.error("Error executing secure read binary.", e);

+				throw new CardException("Error reading data from card", e);

+			}

+

+			bytesRead = bytesRead + resp.getData().length;

+			offset = bytesRead;

+

+			if (bytesRead == bytes2read) {

+

+				done = true;

+			}

+		}

+

+		return bof.toByteArray();

+	}

+

+	private void executeManageSecurityEnvironment(CardChannel channel, byte[] id)

+			throws CardException {

+

+		byte[] apdu = new byte[7 + 2];

+		apdu[0] = (byte) 0x00;

+		apdu[1] = (byte) 0x22;

+		apdu[2] = (byte) 0x41;

+		apdu[3] = (byte) 0xB6;

+		apdu[4] = (byte) (2 + 2);

+		apdu[5] = (byte) 0x84;

+		apdu[6] = (byte) 0x02;

+		apdu[7] = id[0];

+		apdu[8] = id[1];

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = channel.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error executing Manage Security Environment: "

+					+ Integer.toHexString(resp.getSW()));

+			throw new CardException(

+					"Execution of command Manage Security Environment failed: "

+							+ Integer.toHexString(resp.getSW()));

+		}

+

+	}

+

+	private byte[] executeCreateSignature(CardChannel channel, byte[] data)

+			throws CardException {

+

+		byte[] apdu = new byte[5 + HASH_PADDING.length + data.length + 1];

+		apdu[0] = (byte) 0x00;

+		apdu[1] = (byte) 0x2A;

+		apdu[2] = (byte) 0x9E;

+		apdu[3] = (byte) 0x9A;

+		apdu[4] = (byte) (HASH_PADDING.length + data.length);

+

+		System.arraycopy(HASH_PADDING, 0, apdu, 5, HASH_PADDING.length);

+		System.arraycopy(data, 0, apdu, 5 + HASH_PADDING.length, data.length);

+

+		apdu[apdu.length - 1] = (byte) 0x80;

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = channel.transmit(command);

+

+		if (resp.getSW() != 0x9000) {

+

+			log.error("Error computing electronic signature on card: "

+					+ Integer.toHexString(resp.getSW()));

+			throw new CardException("Unexpected response from card: "

+					+ Integer.toHexString(resp.getSW()));

+		}

+

+		return resp.getData();

+

+	}

+

+	private ResponseAPDU readFromCard(CardChannel channel, byte offsetHi,

+			byte offsetLo, byte numBytes) throws CardException {

+

+		byte[] apdu = new byte[] {

+

+		(byte) 0x00, (byte) 0xB0, offsetHi, offsetLo, numBytes };

+

+		CommandAPDU command = new CommandAPDU(apdu);

+		ResponseAPDU resp = channel.transmit(command);

+

+		return resp;

+

+	}

+

+	private byte[] decompressData(byte[] input) throws CardException {

+

+		Inflater decompresser = new Inflater();

+		decompresser.setInput(input, 0, input.length);

+		byte[] buffer = new byte[256];

+		ByteArrayOutputStream bos = new ByteArrayOutputStream();

+

+		try {

+			while (!decompresser.finished()) {

+

+				int numBytes = decompresser.inflate(buffer);

+				bos.write(buffer, 0, numBytes);

+			}

+

+			decompresser.end();

+

+		} catch (DataFormatException e) {

+

+			throw new CardException("Error decompressing file.", e);

+		}

+

+		return bos.toByteArray();

+	}

+

+}