Examples with TLV org.openecard.common.tlv.TLV used on opensource projects

Example 11 with TLV

use of org.openecard.common.tlv.TLV in project open-ecard by ecsec.

the class CHAT method toByteArray.

/**
 * Returns the CHAT as a byte array.
 *
 * @return CHAT
 * @throws TLVException
 */
public byte[] toByteArray() throws TLVException {
    byte[] data = new byte[5];
    // Decode role in bit 0 to 1.
    switch(role) {
        case CVCA:
            data[0] |= 0xC0;
            break;
        case DV_OFFICIAL:
            data[0] |= 0x80;
            break;
        case DV_NON_OFFICIAL:
            data[0] |= 0x40;
            break;
        default:
            break;
    }
    // Decode write access in bit 2 to 8.
    Iterator<DataGroup> it1 = writeAccess.keySet().iterator();
    for (int i = 2; i < 8; i++) {
        DataGroup item = it1.next();
        if (writeAccess.get(item)) {
            ByteUtils.setBit(i, data);
        }
    }
    // Decode read access in bit 10 to 31.
    Iterator<DataGroup> it2 = readAccess.keySet().iterator();
    for (int i = 31; i > 10; i--) {
        DataGroup item = it2.next();
        if (readAccess.get(item)) {
            ByteUtils.setBit(i, data);
        }
    }
    // Decode special functions in bit 32 to 40.
    Iterator<SpecialFunction> it3 = specialFunctions.keySet().iterator();
    for (int i = 32; i < 40; i++) {
        SpecialFunction item = it3.next();
        if (specialFunctions.get(item)) {
            ByteUtils.setBit(i, data);
        }
    }
    // Decode access rights in bit 2 to 7.
    Iterator<AccessRight> it4 = accessRights.keySet().iterator();
    for (int i = 6; i < 7; i++) {
        AccessRight item = it4.next();
        if (accessRights.get(item)) {
            ByteUtils.setBit(i, data);
        }
    }
    TLV discretionaryDataObject = new TLV();
    discretionaryDataObject.setTagNumWithClass((byte) 0x53);
    discretionaryDataObject.setValue(data);
    TLV oidObject = new TLV();
    oidObject.setTagNumWithClass((byte) 0x06);
    oidObject.setValue(ObjectIdentifierUtils.getValue(oid));
    oidObject.addToEnd(discretionaryDataObject);
    TLV chatObject = new TLV();
    chatObject.setTagNum((byte) 0x4C);
    chatObject.setTagClass(TagClass.APPLICATION);
    chatObject.setChild(oidObject);
    return chatObject.toBER(true);
}

Example 12 with TLV

use of org.openecard.common.tlv.TLV in project open-ecard by ecsec.

the class AuthenticatedAuxiliaryData method emptyOrStructure.

private static TLV emptyOrStructure(byte[] data) throws TLVException {
    if (data == null) {
        TLV tlv = new TLV();
        tlv.setTag(new Tag(TagClass.APPLICATION, false, EACTags.AUTHENTIFICATION_DATA));
        return tlv;
    } else {
        return TLV.fromBER(data);
    }
}

Example 13 with TLV

use of org.openecard.common.tlv.TLV in project open-ecard by ecsec.

the class SignStep method performSignature.

/**
 * This method performs the signature creation according to BSI TR-03112 part 7.
 *
 * @param cryptoMarker The {@link CryptoMarkerType} containing the SignatureCreationInfo for creating the signature.
 * @param keyReference A byte array containing the reference of the key to use.
 * @param algorithmIdentifier A byte array containing the identifier of the signing algorithm.
 * @param message The message to sign.
 * @param slotHandle The slotHandle identifying the card.
 * @param hashRef The variable contains the reference for the hash algorithm which have to be used.
 * @param hashInfo A HashGenerationInfo object which indicates how the hash computation is to perform.
 * @return A {@link SignResponse} object containing the signature of the <b>message</b>.
 * @throws TLVException Thrown if the TLV creation for the key identifier or algorithm identifier failed.
 * @throws IncorrectParameterException Thrown if the SignatureGenerationInfo does not contain PSO_CDS or INT_AUTH
 * after an MSE_KEY command.
 * @throws APDUException Thrown if one of the command to create the signature failed.
 * @throws org.openecard.common.WSHelper.WSException Thrown if the checkResults method of WSHelper failed.
 */
private SignResponse performSignature(CryptoMarkerType cryptoMarker, byte[] keyReference, byte[] algorithmIdentifier, byte[] message, byte[] slotHandle, byte[] hashRef, HashGenerationInfoType hashInfo) throws TLVException, IncorrectParameterException, APDUException, WSHelper.WSException {
    SignResponse response = WSHelper.makeResponse(SignResponse.class, WSHelper.makeResultOK());
    TLV tagAlgorithmIdentifier = new TLV();
    tagAlgorithmIdentifier.setTagNumWithClass(CARD_ALG_REF);
    tagAlgorithmIdentifier.setValue(algorithmIdentifier);
    TLV tagKeyReference = new TLV();
    tagKeyReference.setTagNumWithClass(KEY_REFERENCE_PRIVATE_KEY);
    tagKeyReference.setValue(keyReference);
    CardCommandAPDU cmdAPDU = null;
    CardResponseAPDU responseAPDU = null;
    String[] signatureGenerationInfo = cryptoMarker.getSignatureGenerationInfo();
    for (String command : signatureGenerationInfo) {
        HashSet<String> signGenInfo = new HashSet<>(java.util.Arrays.asList(signatureGenerationInfo));
        if (command.equals("MSE_KEY")) {
            byte[] mseData = tagKeyReference.toBER();
            if (signGenInfo.contains("PSO_CDS")) {
                cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.DST, mseData);
            } else if (signGenInfo.contains("INT_AUTH") && !signGenInfo.contains("PSO_CDS")) {
                cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.AT, mseData);
            } else {
                String msg = "The command 'MSE_KEY' followed by 'INT_AUTH' and 'PSO_CDS' is currently not supported.";
                LOG.error(msg);
                throw new IncorrectParameterException(msg);
            }
        } else if (command.equals("PSO_CDS")) {
            cmdAPDU = new PSOComputeDigitalSignature(message, BLOCKSIZE);
        } else if (command.equals("INT_AUTH")) {
            cmdAPDU = new InternalAuthenticate(message, BLOCKSIZE);
        } else if (command.equals("MSE_RESTORE")) {
            cmdAPDU = new ManageSecurityEnvironment.Restore(ManageSecurityEnvironment.DST);
        } else if (command.equals("MSE_HASH")) {
            cmdAPDU = new ManageSecurityEnvironment.Set(SET_COMPUTATION, ManageSecurityEnvironment.HT);
            TLV mseDataTLV = new TLV();
            mseDataTLV.setTagNumWithClass((byte) 0x80);
            mseDataTLV.setValue(hashRef);
            cmdAPDU.setData(mseDataTLV.toBER());
        } else if (command.equals("PSO_HASH")) {
            if (hashInfo == HashGenerationInfoType.LAST_ROUND_ON_CARD || hashInfo == HashGenerationInfoType.NOT_ON_CARD) {
                cmdAPDU = new PSOHash(PSOHash.P2_SET_HASH_OR_PART, message);
            } else {
                cmdAPDU = new PSOHash(PSOHash.P2_HASH_MESSAGE, message);
            }
        } else if (command.equals("MSE_DS")) {
            byte[] mseData = tagAlgorithmIdentifier.toBER();
            cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.DST, mseData);
        } else if (command.equals("MSE_KEY_DS")) {
            byte[] mseData = ByteUtils.concatenate(tagKeyReference.toBER(), tagAlgorithmIdentifier.toBER());
            cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.DST, mseData);
        } else if (command.equals("MSE_INT_AUTH")) {
            byte[] mseData = tagKeyReference.toBER();
            cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.AT, mseData);
        } else if (command.equals("MSE_KEY_INT_AUTH")) {
            byte[] mseData = ByteUtils.concatenate(tagKeyReference.toBER(), tagAlgorithmIdentifier.toBER());
            cmdAPDU = new ManageSecurityEnvironment(SET_COMPUTATION, ManageSecurityEnvironment.AT, mseData);
        } else {
            String msg = "The signature generation command '" + command + "' is unknown.";
            throw new IncorrectParameterException(msg);
        }
        responseAPDU = cmdAPDU.transmit(dispatcher, slotHandle, Collections.<byte[]>emptyList());
    }
    byte[] signedMessage = responseAPDU.getData();
    // check if further response data is available
    while (responseAPDU.getTrailer()[0] == (byte) 0x61) {
        GetResponse getResponseData = new GetResponse();
        responseAPDU = getResponseData.transmit(dispatcher, slotHandle, Collections.<byte[]>emptyList());
        signedMessage = Arrays.concatenate(signedMessage, responseAPDU.getData());
    }
    if (!Arrays.areEqual(responseAPDU.getTrailer(), new byte[] { (byte) 0x90, (byte) 0x00 })) {
        String minor = SALErrorUtils.getMinor(responseAPDU.getTrailer());
        response.setResult(WSHelper.makeResultError(minor, responseAPDU.getStatusMessage()));
        return response;
    }
    response.setSignature(signedMessage);
    return response;
}

Example 14 with TLV

use of org.openecard.common.tlv.TLV in project open-ecard by ecsec.

the class ObjectIdentifierUtils method toByteArray.

/**
 * Converts a ASN1 object identifier to a byte array
 *
 * @param oid String
 * @return TLV encoded object identifier
 * @throws TLVException
 */
public static byte[] toByteArray(String oid) throws TLVException {
    TLV tlv = new TLV();
    tlv.setTagNum((byte) 0x06);
    tlv.setValue(getValue(oid));
    return tlv.toBER();
}

Example 15 with TLV

use of org.openecard.common.tlv.TLV in project open-ecard by ecsec.

the class TLVFunction method call.

@Override
@Nonnull
public String call(Object... params) throws APDUTemplateException {
    if (params.length != 2) {
        throw new APDUTemplateException("Invalid number of parameters given. Two are needed.");
    }
    byte[] tag = makeBytes(params[0]);
    byte[] value = makeBytes(params[1]);
    try {
        TLV tlv = new TLV();
        tlv.setTagNumWithClass(tag);
        tlv.setValue(value);
        byte[] result = tlv.toBER();
        String resultStr = ByteUtils.toHexString(result);
        return resultStr;
    } catch (TLVException ex) {
        throw new APDUTemplateException("Failed to create TLV structure based on given parameters.", ex);
    }
}