Examples with CertContainer org.nhindirect.config.ui.DNSController.CertContainer used on opensource projects

Example 1 with CertContainer

use of org.nhindirect.config.ui.DNSController.CertContainer in project nhin-d by DirectProject.

the class MainController method toCertContainer.

public CertContainer toCertContainer(byte[] data) throws Exception {
    CertContainer certContainer = null;
    try {
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        // lets try this a as a PKCS12 data stream first
        try {
            KeyStore localKeyStore = KeyStore.getInstance("PKCS12", Certificate.getJCEProviderName());
            localKeyStore.load(bais, "".toCharArray());
            Enumeration<String> aliases = localKeyStore.aliases();
            // we are really expecting only one alias
            if (aliases.hasMoreElements()) {
                String alias = aliases.nextElement();
                X509Certificate cert = (X509Certificate) localKeyStore.getCertificate(alias);
                // check if there is private key
                Key key = localKeyStore.getKey(alias, "".toCharArray());
                if (key != null && key instanceof PrivateKey) {
                    certContainer = new CertContainer(cert, key);
                }
            }
        } catch (Exception e) {
        // must not be a PKCS12 stream, go on to next step
        }
        if (certContainer == null) {
            //try X509 certificate factory next
            bais.reset();
            bais = new ByteArrayInputStream(data);
            X509Certificate cert = (X509Certificate) CertificateFactory.getInstance("X.509").generateCertificate(bais);
            certContainer = new CertContainer(cert, null);
        }
        bais.close();
    } catch (Exception e) {
        throw new ConfigurationServiceException("Data cannot be converted to a valid X.509 Certificate", e);
    }
    return certContainer;
}