Examples with PACEGenericMapping org.openecard.ifd.protocol.pace.crypto.PACEGenericMapping used on opensource projects

Example 1 with PACEGenericMapping

use of org.openecard.ifd.protocol.pace.crypto.PACEGenericMapping in project open-ecard by ecsec.

the class PACEImplementation method generalAuthenticateMapNonce.

/**
 * Step 3: Mapping nonce
 */
private void generalAuthenticateMapNonce() throws Exception {
    byte[] pkMapPCD = null;
    PACEMapping mapping = cryptoSuite.getMapping();
    if (mapping instanceof PACEGenericMapping) {
        PACEGenericMapping gm = (PACEGenericMapping) mapping;
        pkMapPCD = gm.getMappingKey().getEncodedPublicKey();
    } else if (mapping instanceof PACEIntegratedMapping) {
        throw new UnsupportedOperationException("Not implemented yet.");
    }
    CardCommandAPDU gaMapNonce = new GeneralAuthenticate((byte) 0x81, pkMapPCD);
    gaMapNonce.setChaining();
    try {
        response = gaMapNonce.transmit(dispatcher, slotHandle);
    } catch (APDUException e) {
        LOG.error(e.getMessage(), e);
        throw new ProtocolException(e.getResult());
    }
    if (mapping instanceof PACEGenericMapping) {
        PACEGenericMapping gm = (PACEGenericMapping) mapping;
        PACEKey keyMapPICC = new PACEKey(domainParameter);
        keyMapPICC.decodePublicKey(response.getData());
        byte[] pkMapPICC = keyMapPICC.getEncodedPublicKey();
        if (ByteUtils.compare(pkMapPICC, pkMapPCD)) {
            throw new GeneralSecurityException("PACE security violation: equal keys");
        }
        domainParameter = gm.map(pkMapPICC, s);
    } else if (mapping instanceof PACEIntegratedMapping) {
        throw new UnsupportedOperationException("Not implemented yet.");
    }
    // Continue with Step 4
    generalAuthenticateKeyAgreement();
}