Examples with PSOHash org.openecard.sal.protocol.genericcryptography.apdu.PSOHash used on opensource projects

Example 1 with PSOHash

use of org.openecard.sal.protocol.genericcryptography.apdu.PSOHash 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;
}