Examples with Certificate org.bouncycastle.asn1.x509.Certificate used on opensource projects

Example 16 with Certificate

use of org.bouncycastle.asn1.x509.Certificate in project nhin-d by DirectProject.

the class TrustChainValidator method getIssuerAddress.

private String getIssuerAddress(X509Certificate certificate) {
    String address = "";
    // check alternative names first
    Collection<List<?>> altNames = null;
    try {
        altNames = certificate.getIssuerAlternativeNames();
    } catch (CertificateParsingException ex) {
    /* no -op */
    }
    if (altNames != null) {
        for (List<?> entries : altNames) {
            if (// should always be the case according the altNames spec, but checking to be defensive
            entries.size() >= 2) {
                Integer nameType = (Integer) entries.get(0);
                // prefer email over over domain?
                if (nameType == RFC822Name_TYPE)
                    address = (String) entries.get(1);
                else if (nameType == DNSName_TYPE && address.isEmpty())
                    address = (String) entries.get(1);
            }
        }
    }
    if (!address.isEmpty())
        return address;
    // can't find issuer address in alt names... try the principal 
    X500Principal issuerPrin = certificate.getIssuerX500Principal();
    // get the domain name
    Map<String, String> oidMap = new HashMap<String, String>();
    // OID for email address
    oidMap.put("1.2.840.113549.1.9.1", "EMAILADDRESS");
    String prinName = issuerPrin.getName(X500Principal.RFC1779, oidMap);
    // see if there is an email address first in the DN
    String searchString = "EMAILADDRESS=";
    int index = prinName.indexOf(searchString);
    if (index == -1) {
        searchString = "CN=";
        // no Email.. check the CN
        index = prinName.indexOf(searchString);
        if (index == -1)
            // no CN... nothing else that can be done from here
            return "";
    }
    // look for a "," to find the end of this attribute
    int endIndex = prinName.indexOf(",", index);
    if (endIndex > -1)
        address = prinName.substring(index + searchString.length(), endIndex);
    else
        address = prinName.substring(index + searchString.length());
    return address;
}

Example 17 with Certificate

use of org.bouncycastle.asn1.x509.Certificate in project nhin-d by DirectProject.

the class TrustChainValidator method downloadCertFromAIA.

/**
	 * Downloads a cert from the AIA URL and returns the result as certificate.
	 * <br>
	 * AIA extensions may refer to collection files such as P7b or P7c.  For this reason, this method
	 * has been deprecated.
	 * @param url The URL of the certificate that will be downloaded.
	 * @return The certificate downloaded from the AIA extension URL
	 * @deprecated As of 2.1, replaced by {@link #downloadCertsFromAIA(String)}
	 */
protected X509Certificate downloadCertFromAIA(String url) throws NHINDException {
    InputStream inputStream = null;
    X509Certificate retVal = null;
    try {
        // in this case the cert is a binary representation
        // of the CERT URL... transform to a string
        final URL certURL = new URL(url);
        final URLConnection connection = certURL.openConnection();
        // the connection is not actually made until the input stream
        // is open, so set the timeouts before getting the stream
        connection.setConnectTimeout(DEFAULT_URL_CONNECTION_TIMEOUT);
        connection.setReadTimeout(DEFAULT_URL_READ_TIMEOUT);
        // open the URL as in input stream
        inputStream = connection.getInputStream();
        retVal = (X509Certificate) CertificateFactory.getInstance("X.509").generateCertificate(inputStream);
    } catch (Exception e) {
        throw new NHINDException("Failed to download certificate from AIA extension.", e);
    } finally {
        IOUtils.closeQuietly(inputStream);
    }
    return retVal;
}

Example 18 with Certificate

use of org.bouncycastle.asn1.x509.Certificate in project nhin-d by DirectProject.

the class MessageSigInspector method main.

public static void main(String[] args) {
    if (args.length == 0) {
        //printUsage();
        System.exit(-1);
    }
    String messgefile = null;
    for (int i = 0; i < args.length; i++) {
        String arg = args[i];
        // Options
        if (!arg.startsWith("-")) {
            System.err.println("Error: Unexpected argument [" + arg + "]\n");
            //printUsage();
            System.exit(-1);
        } else if (arg.equalsIgnoreCase("-msgFile")) {
            if (i == args.length - 1 || args[i + 1].startsWith("-")) {
                System.err.println("Error: Missing message file");
                System.exit(-1);
            }
            messgefile = args[++i];
        } else if (arg.equals("-help")) {
            //printUsage();
            System.exit(-1);
        } else {
            System.err.println("Error: Unknown argument " + arg + "\n");
            //printUsage();
            System.exit(-1);
        }
    }
    if (messgefile == null) {
        System.err.println("Error: missing message file\n");
    }
    InputStream inStream = null;
    try {
        inStream = FileUtils.openInputStream(new File(messgefile));
        MimeMessage message = new MimeMessage(null, inStream);
        MimeMultipart mm = (MimeMultipart) message.getContent();
        //byte[] messageBytes = EntitySerializer.Default.serializeToBytes(mm.getBodyPart(0).getContent());
        //MimeBodyPart signedContent = null;
        //signedContent = new MimeBodyPart(new ByteArrayInputStream(messageBytes));
        final CMSSignedData signed = new CMSSignedData(new CMSProcessableBodyPart(mm.getBodyPart(0)), mm.getBodyPart(1).getInputStream());
        CertStore certs = signed.getCertificatesAndCRLs("Collection", CryptoExtensions.getJCEProviderName());
        SignerInformationStore signers = signed.getSignerInfos();
        @SuppressWarnings("unchecked") Collection<SignerInformation> c = signers.getSigners();
        System.out.println("Found " + c.size() + " signers");
        int cnt = 1;
        for (SignerInformation signer : c) {
            Collection<? extends Certificate> certCollection = certs.getCertificates(signer.getSID());
            if (certCollection != null && certCollection.size() > 0) {
                X509Certificate cert = (X509Certificate) certCollection.iterator().next();
                System.out.println("\r\nInfo for certificate " + cnt++);
                System.out.println("\tSubject " + cert.getSubjectDN());
                FileUtils.writeByteArrayToFile(new File("SigCert.der"), cert.getEncoded());
                byte[] bytes = cert.getExtensionValue("2.5.29.15");
                if (bytes != null) {
                    final DERObject obj = getObject(bytes);
                    final KeyUsage keyUsage = new KeyUsage((DERBitString) obj);
                    final byte[] data = keyUsage.getBytes();
                    final int intValue = (data.length == 1) ? data[0] & 0xff : (data[1] & 0xff) << 8 | (data[0] & 0xff);
                    System.out.println("\tKey Usage: " + intValue);
                } else
                    System.out.println("\tKey Usage: NONE");
                //verify and get the digests
                final Attribute digAttr = signer.getSignedAttributes().get(CMSAttributes.messageDigest);
                final DERObject hashObj = digAttr.getAttrValues().getObjectAt(0).getDERObject();
                final byte[] signedDigest = ((ASN1OctetString) hashObj).getOctets();
                final String signedDigestHex = org.apache.commons.codec.binary.Hex.encodeHexString(signedDigest);
                System.out.println("\r\nSigned Message Digest: " + signedDigestHex);
                try {
                    signer.verify(cert, "BC");
                    System.out.println("Signature verified.");
                } catch (CMSException e) {
                    System.out.println("Signature failed to verify.");
                }
                // should have the computed digest now
                final byte[] digest = signer.getContentDigest();
                final String digestHex = org.apache.commons.codec.binary.Hex.encodeHexString(digest);
                System.out.println("\r\nComputed Message Digest: " + digestHex);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(inStream);
    }
}

Example 19 with Certificate

use of org.bouncycastle.asn1.x509.Certificate in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getNextWorkingKey.

/**
     * Return the next working key inheriting DSA parameters if necessary.
     * <p>
     * This methods inherits DSA parameters from the indexed certificate or
     * previous certificates in the certificate chain to the returned
     * <code>PublicKey</code>. The list is searched upwards, meaning the end
     * certificate is at position 0 and previous certificates are following.
     * </p>
     * <p>
     * If the indexed certificate does not contain a DSA key this method simply
     * returns the public key. If the DSA key already contains DSA parameters
     * the key is also only returned.
     * </p>
     * 
     * @param certs The certification path.
     * @param index The index of the certificate which contains the public key
     *            which should be extended with DSA parameters.
     * @return The public key of the certificate in list position
     *         <code>index</code> extended with DSA parameters if applicable.
     * @throws AnnotatedException if DSA parameters cannot be inherited.
     */
protected static PublicKey getNextWorkingKey(List certs, int index) throws CertPathValidatorException {
    Certificate cert = (Certificate) certs.get(index);
    PublicKey pubKey = cert.getPublicKey();
    if (!(pubKey instanceof DSAPublicKey)) {
        return pubKey;
    }
    DSAPublicKey dsaPubKey = (DSAPublicKey) pubKey;
    if (dsaPubKey.getParams() != null) {
        return dsaPubKey;
    }
    for (int i = index + 1; i < certs.size(); i++) {
        X509Certificate parentCert = (X509Certificate) certs.get(i);
        pubKey = parentCert.getPublicKey();
        if (!(pubKey instanceof DSAPublicKey)) {
            throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
        }
        DSAPublicKey prevDSAPubKey = (DSAPublicKey) pubKey;
        if (prevDSAPubKey.getParams() == null) {
            continue;
        }
        DSAParams dsaParams = prevDSAPubKey.getParams();
        DSAPublicKeySpec dsaPubKeySpec = new DSAPublicKeySpec(dsaPubKey.getY(), dsaParams.getP(), dsaParams.getQ(), dsaParams.getG());
        try {
            KeyFactory keyFactory = KeyFactory.getInstance("DSA", BouncyCastleProvider.PROVIDER_NAME);
            return keyFactory.generatePublic(dsaPubKeySpec);
        } catch (Exception exception) {
            throw new RuntimeException(exception.getMessage());
        }
    }
    throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
}

Example 20 with Certificate

use of org.bouncycastle.asn1.x509.Certificate in project XobotOS by xamarin.

the class CertPathValidatorUtilities method findCertificates.

/**
     * Return a Collection of all certificates or attribute certificates found
     * in the X509Store's that are matching the certSelect criteriums.
     *
     * @param certSelect a {@link Selector} object that will be used to select
     *            the certificates
     * @param certStores a List containing only {@link X509Store} objects. These
     *            are used to search for certificates.
     *
     * @return a Collection of all found {@link X509Certificate} or
     *         {@link org.bouncycastle.x509.X509AttributeCertificate} objects.
     *         May be empty but never <code>null</code>.
     */
protected static Collection findCertificates(X509CertStoreSelector certSelect, List certStores) throws AnnotatedException {
    Set certs = new HashSet();
    Iterator iter = certStores.iterator();
    while (iter.hasNext()) {
        Object obj = iter.next();
        if (obj instanceof X509Store) {
            X509Store certStore = (X509Store) obj;
            try {
                certs.addAll(certStore.getMatches(certSelect));
            } catch (StoreException e) {
                throw new AnnotatedException("Problem while picking certificates from X.509 store.", e);
            }
        } else {
            CertStore certStore = (CertStore) obj;
            try {
                certs.addAll(certStore.getCertificates(certSelect));
            } catch (CertStoreException e) {
                throw new AnnotatedException("Problem while picking certificates from certificate store.", e);
            }
        }
    }
    return certs;
}