Examples with PKCS12BagAttributeCarrier org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier used on opensource projects

Example 1 with PKCS12BagAttributeCarrier

use of org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier in project robovm by robovm.

the class PKCS12KeyStoreSpi method doStore.

private void doStore(OutputStream stream, char[] password, boolean useDEREncoding) throws IOException {
    if (password == null) {
        throw new NullPointerException("No password supplied for PKCS#12 KeyStore.");
    }
    //
    // handle the key
    //
    ASN1EncodableVector keyS = new ASN1EncodableVector();
    Enumeration ks = keys.keys();
    while (ks.hasMoreElements()) {
        byte[] kSalt = new byte[SALT_SIZE];
        random.nextBytes(kSalt);
        String name = (String) ks.nextElement();
        PrivateKey privKey = (PrivateKey) keys.get(name);
        PKCS12PBEParams kParams = new PKCS12PBEParams(kSalt, MIN_ITERATIONS);
        byte[] kBytes = wrapKey(keyAlgorithm.getId(), privKey, kParams, password);
        AlgorithmIdentifier kAlgId = new AlgorithmIdentifier(keyAlgorithm, kParams.toASN1Primitive());
        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo kInfo = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo(kAlgId, kBytes);
        boolean attrSet = false;
        ASN1EncodableVector kName = new ASN1EncodableVector();
        if (privKey instanceof PKCS12BagAttributeCarrier) {
            PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) privKey;
            //
            // make sure we are using the local alias on store
            //
            DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
            if (nm == null || !nm.getString().equals(name)) {
                bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
            }
            //
            if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                Certificate ct = engineGetCertificate(name);
                bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(ct.getPublicKey()));
            }
            Enumeration e = bagAttrs.getBagAttributeKeys();
            while (e.hasMoreElements()) {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                ASN1EncodableVector kSeq = new ASN1EncodableVector();
                kSeq.add(oid);
                kSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                attrSet = true;
                kName.add(new DERSequence(kSeq));
            }
        }
        if (!attrSet) {
            //
            // set a default friendly name (from the key id) and local id
            //
            ASN1EncodableVector kSeq = new ASN1EncodableVector();
            Certificate ct = engineGetCertificate(name);
            kSeq.add(pkcs_9_at_localKeyId);
            kSeq.add(new DERSet(createSubjectKeyId(ct.getPublicKey())));
            kName.add(new DERSequence(kSeq));
            kSeq = new ASN1EncodableVector();
            kSeq.add(pkcs_9_at_friendlyName);
            kSeq.add(new DERSet(new DERBMPString(name)));
            kName.add(new DERSequence(kSeq));
        }
        SafeBag kBag = new SafeBag(pkcs8ShroudedKeyBag, kInfo.toASN1Primitive(), new DERSet(kName));
        keyS.add(kBag);
    }
    byte[] keySEncoded = new DERSequence(keyS).getEncoded(ASN1Encoding.DER);
    BEROctetString keyString = new BEROctetString(keySEncoded);
    //
    // certificate processing
    //
    byte[] cSalt = new byte[SALT_SIZE];
    random.nextBytes(cSalt);
    ASN1EncodableVector certSeq = new ASN1EncodableVector();
    PKCS12PBEParams cParams = new PKCS12PBEParams(cSalt, MIN_ITERATIONS);
    AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.toASN1Primitive());
    Hashtable doneCerts = new Hashtable();
    Enumeration cs = keys.keys();
    while (cs.hasMoreElements()) {
        try {
            String name = (String) cs.nextElement();
            Certificate cert = engineGetCertificate(name);
            boolean cAttrSet = false;
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                //
                // make sure we are using the local alias on store
                //
                DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
                if (nm == null || !nm.getString().equals(name)) {
                    bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
                }
                //
                if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                    bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(cert.getPublicKey()));
                }
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                    cAttrSet = true;
                }
            }
            if (!cAttrSet) {
                ASN1EncodableVector fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_localKeyId);
                fSeq.add(new DERSet(createSubjectKeyId(cert.getPublicKey())));
                fName.add(new DERSequence(fSeq));
                fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_friendlyName);
                fSeq.add(new DERSet(new DERBMPString(name)));
                fName.add(new DERSequence(fSeq));
            }
            SafeBag sBag = new SafeBag(certBag, cBag.toASN1Primitive(), new DERSet(fName));
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    cs = certs.keys();
    while (cs.hasMoreElements()) {
        try {
            String certId = (String) cs.nextElement();
            Certificate cert = (Certificate) certs.get(certId);
            boolean cAttrSet = false;
            if (keys.get(certId) != null) {
                continue;
            }
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                //
                // make sure we are using the local alias on store
                //
                DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
                if (nm == null || !nm.getString().equals(certId)) {
                    bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(certId));
                }
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                    // If we find one, we'll prune it out.
                    if (oid.equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId)) {
                        continue;
                    }
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                    cAttrSet = true;
                }
            }
            if (!cAttrSet) {
                ASN1EncodableVector fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_friendlyName);
                fSeq.add(new DERSet(new DERBMPString(certId)));
                fName.add(new DERSequence(fSeq));
            }
            SafeBag sBag = new SafeBag(certBag, cBag.toASN1Primitive(), new DERSet(fName));
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    cs = chainCerts.keys();
    while (cs.hasMoreElements()) {
        try {
            CertId certId = (CertId) cs.nextElement();
            Certificate cert = (Certificate) chainCerts.get(certId);
            if (doneCerts.get(cert) != null) {
                continue;
            }
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                    // If we find one, we'll prune it out.
                    if (oid.equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId)) {
                        continue;
                    }
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                }
            }
            SafeBag sBag = new SafeBag(certBag, cBag.toASN1Primitive(), new DERSet(fName));
            certSeq.add(sBag);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    byte[] certSeqEncoded = new DERSequence(certSeq).getEncoded(ASN1Encoding.DER);
    byte[] certBytes = cryptData(true, cAlgId, password, false, certSeqEncoded);
    EncryptedData cInfo = new EncryptedData(data, cAlgId, new BEROctetString(certBytes));
    ContentInfo[] info = new ContentInfo[] { new ContentInfo(data, keyString), new ContentInfo(encryptedData, cInfo.toASN1Primitive()) };
    AuthenticatedSafe auth = new AuthenticatedSafe(info);
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream asn1Out;
    if (useDEREncoding) {
        asn1Out = new DEROutputStream(bOut);
    } else {
        asn1Out = new BEROutputStream(bOut);
    }
    asn1Out.writeObject(auth);
    byte[] pkg = bOut.toByteArray();
    ContentInfo mainInfo = new ContentInfo(data, new BEROctetString(pkg));
    //
    // create the mac
    //
    byte[] mSalt = new byte[20];
    int itCount = MIN_ITERATIONS;
    random.nextBytes(mSalt);
    byte[] data = ((ASN1OctetString) mainInfo.getContent()).getOctets();
    MacData mData;
    try {
        byte[] res = calculatePbeMac(id_SHA1, mSalt, itCount, password, false, data);
        AlgorithmIdentifier algId = new AlgorithmIdentifier(id_SHA1, DERNull.INSTANCE);
        DigestInfo dInfo = new DigestInfo(algId, res);
        mData = new MacData(dInfo, mSalt, itCount);
    } catch (Exception e) {
        throw new IOException("error constructing MAC: " + e.toString());
    }
    //
    // output the Pfx
    //
    Pfx pfx = new Pfx(mainInfo, mData);
    if (useDEREncoding) {
        asn1Out = new DEROutputStream(stream);
    } else {
        asn1Out = new BEROutputStream(stream);
    }
    asn1Out.writeObject(pfx);
}

Example 2 with PKCS12BagAttributeCarrier

use of org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier in project gitblit by gitblit.

the class X509Utils method newClientCertificate.

/**
	 * Creates a new client certificate PKCS#12 and PEM store.  Any existing
	 * stores are destroyed.
	 *
	 * @param clientMetadata a container for dynamic parameters needed for generation
	 * @param caKeystoreFile
	 * @param caKeystorePassword
	 * @param targetFolder
	 * @return
	 */
public static X509Certificate newClientCertificate(X509Metadata clientMetadata, PrivateKey caPrivateKey, X509Certificate caCert, File targetFolder) {
    try {
        KeyPair pair = newKeyPair();
        X500Name userDN = buildDistinguishedName(clientMetadata);
        X500Name issuerDN = new X500Name(PrincipalUtil.getIssuerX509Principal(caCert).getName());
        // create a new certificate signed by the Gitblit CA certificate
        X509v3CertificateBuilder certBuilder = new JcaX509v3CertificateBuilder(issuerDN, BigInteger.valueOf(System.currentTimeMillis()), clientMetadata.notBefore, clientMetadata.notAfter, userDN, pair.getPublic());
        JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils();
        certBuilder.addExtension(X509Extension.subjectKeyIdentifier, false, extUtils.createSubjectKeyIdentifier(pair.getPublic()));
        certBuilder.addExtension(X509Extension.basicConstraints, false, new BasicConstraints(false));
        certBuilder.addExtension(X509Extension.authorityKeyIdentifier, false, extUtils.createAuthorityKeyIdentifier(caCert.getPublicKey()));
        certBuilder.addExtension(X509Extension.keyUsage, true, new KeyUsage(KeyUsage.keyEncipherment | KeyUsage.digitalSignature));
        if (!StringUtils.isEmpty(clientMetadata.emailAddress)) {
            GeneralNames subjectAltName = new GeneralNames(new GeneralName(GeneralName.rfc822Name, clientMetadata.emailAddress));
            certBuilder.addExtension(X509Extension.subjectAlternativeName, false, subjectAltName);
        }
        ContentSigner signer = new JcaContentSignerBuilder(SIGNING_ALGORITHM).setProvider(BC).build(caPrivateKey);
        X509Certificate userCert = new JcaX509CertificateConverter().setProvider(BC).getCertificate(certBuilder.build(signer));
        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) pair.getPrivate();
        bagAttr.setBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId, extUtils.createSubjectKeyIdentifier(pair.getPublic()));
        // confirm the validity of the user certificate
        userCert.checkValidity();
        userCert.verify(caCert.getPublicKey());
        userCert.getIssuerDN().equals(caCert.getSubjectDN());
        // verify user certificate chain
        verifyChain(userCert, caCert);
        targetFolder.mkdirs();
        // save certificate, stamped with unique name
        String date = new SimpleDateFormat("yyyyMMdd").format(new Date());
        String id = date;
        File certFile = new File(targetFolder, id + ".cer");
        int count = 0;
        while (certFile.exists()) {
            id = date + "_" + Character.toString((char) (0x61 + count));
            certFile = new File(targetFolder, id + ".cer");
            count++;
        }
        // save user private key, user certificate and CA certificate to a PKCS#12 store
        File p12File = new File(targetFolder, clientMetadata.commonName + ".p12");
        if (p12File.exists()) {
            p12File.delete();
        }
        KeyStore userStore = openKeyStore(p12File, clientMetadata.password);
        userStore.setKeyEntry(MessageFormat.format("Gitblit ({0}) {1} {2}", clientMetadata.serverHostname, clientMetadata.userDisplayname, id), pair.getPrivate(), null, new Certificate[] { userCert });
        userStore.setCertificateEntry(MessageFormat.format("Gitblit ({0}) Certificate Authority", clientMetadata.serverHostname), caCert);
        saveKeyStore(p12File, userStore, clientMetadata.password);
        // save user private key, user certificate, and CA certificate to a PEM store
        File pemFile = new File(targetFolder, clientMetadata.commonName + ".pem");
        if (pemFile.exists()) {
            pemFile.delete();
        }
        JcePEMEncryptorBuilder builder = new JcePEMEncryptorBuilder("DES-EDE3-CBC");
        builder.setSecureRandom(new SecureRandom());
        PEMEncryptor pemEncryptor = builder.build(clientMetadata.password.toCharArray());
        JcaPEMWriter pemWriter = new JcaPEMWriter(new FileWriter(pemFile));
        pemWriter.writeObject(pair.getPrivate(), pemEncryptor);
        pemWriter.writeObject(userCert);
        pemWriter.writeObject(caCert);
        pemWriter.flush();
        pemWriter.close();
        // save certificate after successfully creating the key stores
        saveCertificate(userCert, certFile);
        // update serial number in metadata object
        clientMetadata.serialNumber = userCert.getSerialNumber().toString();
        return userCert;
    } catch (Throwable t) {
        throw new RuntimeException("Failed to generate client certificate!", t);
    }
}

Example 3 with PKCS12BagAttributeCarrier

use of org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method doStore.

private void doStore(OutputStream stream, char[] password, boolean useDEREncoding) throws IOException {
    if (password == null) {
        throw new NullPointerException("No password supplied for PKCS#12 KeyStore.");
    }
    //
    // handle the key
    //
    ASN1EncodableVector keyS = new ASN1EncodableVector();
    Enumeration ks = keys.keys();
    while (ks.hasMoreElements()) {
        byte[] kSalt = new byte[SALT_SIZE];
        random.nextBytes(kSalt);
        String name = (String) ks.nextElement();
        PrivateKey privKey = (PrivateKey) keys.get(name);
        PKCS12PBEParams kParams = new PKCS12PBEParams(kSalt, MIN_ITERATIONS);
        byte[] kBytes = wrapKey(keyAlgorithm.getId(), privKey, kParams, password);
        AlgorithmIdentifier kAlgId = new AlgorithmIdentifier(keyAlgorithm, kParams.getDERObject());
        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo kInfo = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo(kAlgId, kBytes);
        boolean attrSet = false;
        ASN1EncodableVector kName = new ASN1EncodableVector();
        if (privKey instanceof PKCS12BagAttributeCarrier) {
            PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) privKey;
            //
            // make sure we are using the local alias on store
            //
            DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
            if (nm == null || !nm.getString().equals(name)) {
                bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
            }
            //
            if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                Certificate ct = engineGetCertificate(name);
                bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(ct.getPublicKey()));
            }
            Enumeration e = bagAttrs.getBagAttributeKeys();
            while (e.hasMoreElements()) {
                DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                ASN1EncodableVector kSeq = new ASN1EncodableVector();
                kSeq.add(oid);
                kSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                attrSet = true;
                kName.add(new DERSequence(kSeq));
            }
        }
        if (!attrSet) {
            //
            // set a default friendly name (from the key id) and local id
            //
            ASN1EncodableVector kSeq = new ASN1EncodableVector();
            Certificate ct = engineGetCertificate(name);
            kSeq.add(pkcs_9_at_localKeyId);
            kSeq.add(new DERSet(createSubjectKeyId(ct.getPublicKey())));
            kName.add(new DERSequence(kSeq));
            kSeq = new ASN1EncodableVector();
            kSeq.add(pkcs_9_at_friendlyName);
            kSeq.add(new DERSet(new DERBMPString(name)));
            kName.add(new DERSequence(kSeq));
        }
        SafeBag kBag = new SafeBag(pkcs8ShroudedKeyBag, kInfo.getDERObject(), new DERSet(kName));
        keyS.add(kBag);
    }
    byte[] keySEncoded = new DERSequence(keyS).getDEREncoded();
    BERConstructedOctetString keyString = new BERConstructedOctetString(keySEncoded);
    //
    // certificate processing
    //
    byte[] cSalt = new byte[SALT_SIZE];
    random.nextBytes(cSalt);
    ASN1EncodableVector certSeq = new ASN1EncodableVector();
    PKCS12PBEParams cParams = new PKCS12PBEParams(cSalt, MIN_ITERATIONS);
    AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.getDERObject());
    Hashtable doneCerts = new Hashtable();
    Enumeration cs = keys.keys();
    while (cs.hasMoreElements()) {
        try {
            String name = (String) cs.nextElement();
            Certificate cert = engineGetCertificate(name);
            boolean cAttrSet = false;
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                //
                // make sure we are using the local alias on store
                //
                DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
                if (nm == null || !nm.getString().equals(name)) {
                    bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
                }
                //
                if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                    bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(cert.getPublicKey()));
                }
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                    cAttrSet = true;
                }
            }
            if (!cAttrSet) {
                ASN1EncodableVector fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_localKeyId);
                fSeq.add(new DERSet(createSubjectKeyId(cert.getPublicKey())));
                fName.add(new DERSequence(fSeq));
                fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_friendlyName);
                fSeq.add(new DERSet(new DERBMPString(name)));
                fName.add(new DERSequence(fSeq));
            }
            SafeBag sBag = new SafeBag(certBag, cBag.getDERObject(), new DERSet(fName));
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    cs = certs.keys();
    while (cs.hasMoreElements()) {
        try {
            String certId = (String) cs.nextElement();
            Certificate cert = (Certificate) certs.get(certId);
            boolean cAttrSet = false;
            if (keys.get(certId) != null) {
                continue;
            }
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                //
                // make sure we are using the local alias on store
                //
                DERBMPString nm = (DERBMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
                if (nm == null || !nm.getString().equals(certId)) {
                    bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(certId));
                }
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                    // If we find one, we'll prune it out.
                    if (oid.equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId)) {
                        continue;
                    }
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                    cAttrSet = true;
                }
            }
            if (!cAttrSet) {
                ASN1EncodableVector fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_friendlyName);
                fSeq.add(new DERSet(new DERBMPString(certId)));
                fName.add(new DERSequence(fSeq));
            }
            SafeBag sBag = new SafeBag(certBag, cBag.getDERObject(), new DERSet(fName));
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    cs = chainCerts.keys();
    while (cs.hasMoreElements()) {
        try {
            CertId certId = (CertId) cs.nextElement();
            Certificate cert = (Certificate) chainCerts.get(certId);
            if (doneCerts.get(cert) != null) {
                continue;
            }
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                    // If we find one, we'll prune it out.
                    if (oid.equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId)) {
                        continue;
                    }
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                }
            }
            SafeBag sBag = new SafeBag(certBag, cBag.getDERObject(), new DERSet(fName));
            certSeq.add(sBag);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    byte[] certSeqEncoded = new DERSequence(certSeq).getDEREncoded();
    byte[] certBytes = cryptData(true, cAlgId, password, false, certSeqEncoded);
    EncryptedData cInfo = new EncryptedData(data, cAlgId, new BERConstructedOctetString(certBytes));
    ContentInfo[] info = new ContentInfo[] { new ContentInfo(data, keyString), new ContentInfo(encryptedData, cInfo.getDERObject()) };
    AuthenticatedSafe auth = new AuthenticatedSafe(info);
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream asn1Out;
    if (useDEREncoding) {
        asn1Out = new DEROutputStream(bOut);
    } else {
        asn1Out = new BEROutputStream(bOut);
    }
    asn1Out.writeObject(auth);
    byte[] pkg = bOut.toByteArray();
    ContentInfo mainInfo = new ContentInfo(data, new BERConstructedOctetString(pkg));
    //
    // create the mac
    //
    byte[] mSalt = new byte[20];
    int itCount = MIN_ITERATIONS;
    random.nextBytes(mSalt);
    byte[] data = ((ASN1OctetString) mainInfo.getContent()).getOctets();
    MacData mData;
    try {
        byte[] res = calculatePbeMac(id_SHA1, mSalt, itCount, password, false, data);
        // BEGIN android-changed
        AlgorithmIdentifier algId = new AlgorithmIdentifier(id_SHA1, DERNull.INSTANCE);
        // END android-changed
        DigestInfo dInfo = new DigestInfo(algId, res);
        mData = new MacData(dInfo, mSalt, itCount);
    } catch (Exception e) {
        throw new IOException("error constructing MAC: " + e.toString());
    }
    //
    // output the Pfx
    //
    Pfx pfx = new Pfx(mainInfo, mData);
    if (useDEREncoding) {
        asn1Out = new DEROutputStream(stream);
    } else {
        asn1Out = new BEROutputStream(stream);
    }
    asn1Out.writeObject(pfx);
}

Example 4 with PKCS12BagAttributeCarrier

use of org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier in project robovm by robovm.

the class PKCS12KeyStoreSpi method engineLoad.

public void engineLoad(InputStream stream, char[] password) throws IOException {
    if (// just initialising
    stream == null) {
        return;
    }
    if (password == null) {
        throw new NullPointerException("No password supplied for PKCS#12 KeyStore.");
    }
    BufferedInputStream bufIn = new BufferedInputStream(stream);
    bufIn.mark(10);
    int head = bufIn.read();
    if (head != 0x30) {
        throw new IOException("stream does not represent a PKCS12 key store");
    }
    bufIn.reset();
    ASN1InputStream bIn = new ASN1InputStream(bufIn);
    ASN1Sequence obj = (ASN1Sequence) bIn.readObject();
    Pfx bag = Pfx.getInstance(obj);
    ContentInfo info = bag.getAuthSafe();
    Vector chain = new Vector();
    boolean unmarkedKey = false;
    boolean wrongPKCS12Zero = false;
    if (// check the mac code
    bag.getMacData() != null) {
        MacData mData = bag.getMacData();
        DigestInfo dInfo = mData.getMac();
        AlgorithmIdentifier algId = dInfo.getAlgorithmId();
        byte[] salt = mData.getSalt();
        int itCount = mData.getIterationCount().intValue();
        byte[] data = ((ASN1OctetString) info.getContent()).getOctets();
        try {
            byte[] res = calculatePbeMac(algId.getAlgorithm(), salt, itCount, password, false, data);
            byte[] dig = dInfo.getDigest();
            if (!Arrays.constantTimeAreEqual(res, dig)) {
                if (password.length > 0) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                // Try with incorrect zero length password
                res = calculatePbeMac(algId.getAlgorithm(), salt, itCount, password, true, data);
                if (!Arrays.constantTimeAreEqual(res, dig)) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                wrongPKCS12Zero = true;
            }
        } catch (IOException e) {
            throw e;
        } catch (Exception e) {
            throw new IOException("error constructing MAC: " + e.toString());
        }
    }
    keys = new IgnoresCaseHashtable();
    localIds = new Hashtable();
    if (info.getContentType().equals(data)) {
        bIn = new ASN1InputStream(((ASN1OctetString) info.getContent()).getOctets());
        AuthenticatedSafe authSafe = AuthenticatedSafe.getInstance(bIn.readObject());
        ContentInfo[] c = authSafe.getContentInfo();
        for (int i = 0; i != c.length; i++) {
            if (c[i].getContentType().equals(data)) {
                ASN1InputStream dIn = new ASN1InputStream(((ASN1OctetString) c[i].getContent()).getOctets());
                ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = SafeBag.getInstance(seq.getObjectAt(j));
                    if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo.getInstance(b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        if (b.getBagAttributes() != null) {
                            Enumeration e = b.getBagAttributes().getObjects();
                            while (e.hasMoreElements()) {
                                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                                ASN1ObjectIdentifier aOid = (ASN1ObjectIdentifier) sq.getObjectAt(0);
                                ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                                ASN1Primitive attr = null;
                                if (attrSet.size() > 0) {
                                    attr = (ASN1Primitive) attrSet.getObjectAt(0);
                                    ASN1Encodable existing = bagAttr.getBagAttribute(aOid);
                                    if (existing != null) {
                                        // OK, but the value has to be the same
                                        if (!existing.toASN1Primitive().equals(attr)) {
                                            throw new IOException("attempt to add existing attribute with different value");
                                        }
                                    } else {
                                        bagAttr.setBagAttribute(aOid, attr);
                                    }
                                }
                                if (aOid.equals(pkcs_9_at_friendlyName)) {
                                    alias = ((DERBMPString) attr).getString();
                                    keys.put(alias, privKey);
                                } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                    localId = (ASN1OctetString) attr;
                                }
                            }
                        }
                        if (localId != null) {
                            String name = new String(Hex.encode(localId.getOctets()));
                            if (alias == null) {
                                keys.put(name, privKey);
                            } else {
                                localIds.put(alias, name);
                            }
                        } else {
                            unmarkedKey = true;
                            keys.put("unmarked", privKey);
                        }
                    } else if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else {
                        System.out.println("extra in data " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else if (c[i].getContentType().equals(encryptedData)) {
                EncryptedData d = EncryptedData.getInstance(c[i].getContent());
                byte[] octets = cryptData(false, d.getEncryptionAlgorithm(), password, wrongPKCS12Zero, d.getContent().getOctets());
                ASN1Sequence seq = (ASN1Sequence) ASN1Primitive.fromByteArray(octets);
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = SafeBag.getInstance(seq.getObjectAt(j));
                    if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo.getInstance(b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            ASN1ObjectIdentifier aOid = (ASN1ObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            ASN1Primitive attr = null;
                            if (attrSet.size() > 0) {
                                attr = (ASN1Primitive) attrSet.getObjectAt(0);
                                ASN1Encodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.toASN1Primitive().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else if (b.getBagId().equals(keyBag)) {
                        org.bouncycastle.asn1.pkcs.PrivateKeyInfo kInfo = org.bouncycastle.asn1.pkcs.PrivateKeyInfo.getInstance(b.getBagValue());
                        PrivateKey privKey = BouncyCastleProvider.getPrivateKey(kInfo);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            ASN1ObjectIdentifier aOid = (ASN1ObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            ASN1Primitive attr = null;
                            if (attrSet.size() > 0) {
                                attr = (ASN1Primitive) attrSet.getObjectAt(0);
                                ASN1Encodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.toASN1Primitive().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else {
                        System.out.println("extra in encryptedData " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else {
                System.out.println("extra " + c[i].getContentType().getId());
                System.out.println("extra " + ASN1Dump.dumpAsString(c[i].getContent()));
            }
        }
    }
    certs = new IgnoresCaseHashtable();
    chainCerts = new Hashtable();
    keyCerts = new Hashtable();
    for (int i = 0; i != chain.size(); i++) {
        SafeBag b = (SafeBag) chain.elementAt(i);
        CertBag cb = CertBag.getInstance(b.getBagValue());
        if (!cb.getCertId().equals(x509Certificate)) {
            throw new RuntimeException("Unsupported certificate type: " + cb.getCertId());
        }
        Certificate cert;
        try {
            ByteArrayInputStream cIn = new ByteArrayInputStream(((ASN1OctetString) cb.getCertValue()).getOctets());
            cert = certFact.generateCertificate(cIn);
        } catch (Exception e) {
            throw new RuntimeException(e.toString());
        }
        //
        // set the attributes
        //
        ASN1OctetString localId = null;
        String alias = null;
        if (b.getBagAttributes() != null) {
            Enumeration e = b.getBagAttributes().getObjects();
            while (e.hasMoreElements()) {
                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) sq.getObjectAt(0);
                ASN1Primitive attr = (ASN1Primitive) ((ASN1Set) sq.getObjectAt(1)).getObjectAt(0);
                PKCS12BagAttributeCarrier bagAttr = null;
                if (cert instanceof PKCS12BagAttributeCarrier) {
                    bagAttr = (PKCS12BagAttributeCarrier) cert;
                    ASN1Encodable existing = bagAttr.getBagAttribute(oid);
                    if (existing != null) {
                        // OK, but the value has to be the same
                        if (!existing.toASN1Primitive().equals(attr)) {
                            throw new IOException("attempt to add existing attribute with different value");
                        }
                    } else {
                        bagAttr.setBagAttribute(oid, attr);
                    }
                }
                if (oid.equals(pkcs_9_at_friendlyName)) {
                    alias = ((DERBMPString) attr).getString();
                } else if (oid.equals(pkcs_9_at_localKeyId)) {
                    localId = (ASN1OctetString) attr;
                }
            }
        }
        chainCerts.put(new CertId(cert.getPublicKey()), cert);
        if (unmarkedKey) {
            if (keyCerts.isEmpty()) {
                String name = new String(Hex.encode(createSubjectKeyId(cert.getPublicKey()).getKeyIdentifier()));
                keyCerts.put(name, cert);
                keys.put(name, keys.remove("unmarked"));
            }
        } else {
            //
            if (localId != null) {
                String name = new String(Hex.encode(localId.getOctets()));
                keyCerts.put(name, cert);
            }
            if (alias != null) {
                certs.put(alias, cert);
            }
        }
    }
}

Example 5 with PKCS12BagAttributeCarrier

use of org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method engineLoad.

public void engineLoad(InputStream stream, char[] password) throws IOException {
    if (// just initialising
    stream == null) {
        return;
    }
    if (password == null) {
        throw new NullPointerException("No password supplied for PKCS#12 KeyStore.");
    }
    BufferedInputStream bufIn = new BufferedInputStream(stream);
    bufIn.mark(10);
    int head = bufIn.read();
    if (head != 0x30) {
        throw new IOException("stream does not represent a PKCS12 key store");
    }
    bufIn.reset();
    ASN1InputStream bIn = new ASN1InputStream(bufIn);
    ASN1Sequence obj = (ASN1Sequence) bIn.readObject();
    Pfx bag = new Pfx(obj);
    ContentInfo info = bag.getAuthSafe();
    Vector chain = new Vector();
    boolean unmarkedKey = false;
    boolean wrongPKCS12Zero = false;
    if (// check the mac code
    bag.getMacData() != null) {
        MacData mData = bag.getMacData();
        DigestInfo dInfo = mData.getMac();
        AlgorithmIdentifier algId = dInfo.getAlgorithmId();
        byte[] salt = mData.getSalt();
        int itCount = mData.getIterationCount().intValue();
        byte[] data = ((ASN1OctetString) info.getContent()).getOctets();
        try {
            byte[] res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, false, data);
            byte[] dig = dInfo.getDigest();
            if (!Arrays.constantTimeAreEqual(res, dig)) {
                if (password.length > 0) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                // Try with incorrect zero length password
                res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, true, data);
                if (!Arrays.constantTimeAreEqual(res, dig)) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                wrongPKCS12Zero = true;
            }
        } catch (IOException e) {
            throw e;
        } catch (Exception e) {
            throw new IOException("error constructing MAC: " + e.toString());
        }
    }
    keys = new IgnoresCaseHashtable();
    localIds = new Hashtable();
    if (info.getContentType().equals(data)) {
        bIn = new ASN1InputStream(((ASN1OctetString) info.getContent()).getOctets());
        AuthenticatedSafe authSafe = new AuthenticatedSafe((ASN1Sequence) bIn.readObject());
        ContentInfo[] c = authSafe.getContentInfo();
        for (int i = 0; i != c.length; i++) {
            if (c[i].getContentType().equals(data)) {
                ASN1InputStream dIn = new ASN1InputStream(((ASN1OctetString) c[i].getContent()).getOctets());
                ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = new SafeBag((ASN1Sequence) seq.getObjectAt(j));
                    if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        if (b.getBagAttributes() != null) {
                            Enumeration e = b.getBagAttributes().getObjects();
                            while (e.hasMoreElements()) {
                                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                                DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                                ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                                DERObject attr = null;
                                if (attrSet.size() > 0) {
                                    attr = (DERObject) attrSet.getObjectAt(0);
                                    DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                    if (existing != null) {
                                        // OK, but the value has to be the same
                                        if (!existing.getDERObject().equals(attr)) {
                                            throw new IOException("attempt to add existing attribute with different value");
                                        }
                                    } else {
                                        bagAttr.setBagAttribute(aOid, attr);
                                    }
                                }
                                if (aOid.equals(pkcs_9_at_friendlyName)) {
                                    alias = ((DERBMPString) attr).getString();
                                    keys.put(alias, privKey);
                                } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                    localId = (ASN1OctetString) attr;
                                }
                            }
                        }
                        if (localId != null) {
                            String name = new String(Hex.encode(localId.getOctets()));
                            if (alias == null) {
                                keys.put(name, privKey);
                            } else {
                                localIds.put(alias, name);
                            }
                        } else {
                            unmarkedKey = true;
                            keys.put("unmarked", privKey);
                        }
                    } else if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else {
                        System.out.println("extra in data " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else if (c[i].getContentType().equals(encryptedData)) {
                EncryptedData d = new EncryptedData((ASN1Sequence) c[i].getContent());
                byte[] octets = cryptData(false, d.getEncryptionAlgorithm(), password, wrongPKCS12Zero, d.getContent().getOctets());
                ASN1Sequence seq = (ASN1Sequence) ASN1Object.fromByteArray(octets);
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = new SafeBag((ASN1Sequence) seq.getObjectAt(j));
                    if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            DERObject attr = null;
                            if (attrSet.size() > 0) {
                                attr = (DERObject) attrSet.getObjectAt(0);
                                DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.getDERObject().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else if (b.getBagId().equals(keyBag)) {
                        org.bouncycastle.asn1.pkcs.PrivateKeyInfo pIn = new org.bouncycastle.asn1.pkcs.PrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = JDKKeyFactory.createPrivateKeyFromPrivateKeyInfo(pIn);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            DERObject attr = null;
                            if (attrSet.size() > 0) {
                                attr = (DERObject) attrSet.getObjectAt(0);
                                DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.getDERObject().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else {
                        System.out.println("extra in encryptedData " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else {
                System.out.println("extra " + c[i].getContentType().getId());
                System.out.println("extra " + ASN1Dump.dumpAsString(c[i].getContent()));
            }
        }
    }
    certs = new IgnoresCaseHashtable();
    chainCerts = new Hashtable();
    keyCerts = new Hashtable();
    for (int i = 0; i != chain.size(); i++) {
        SafeBag b = (SafeBag) chain.elementAt(i);
        CertBag cb = new CertBag((ASN1Sequence) b.getBagValue());
        if (!cb.getCertId().equals(x509Certificate)) {
            throw new RuntimeException("Unsupported certificate type: " + cb.getCertId());
        }
        Certificate cert;
        try {
            ByteArrayInputStream cIn = new ByteArrayInputStream(((ASN1OctetString) cb.getCertValue()).getOctets());
            cert = certFact.generateCertificate(cIn);
        } catch (Exception e) {
            throw new RuntimeException(e.toString());
        }
        //
        // set the attributes
        //
        ASN1OctetString localId = null;
        String alias = null;
        if (b.getBagAttributes() != null) {
            Enumeration e = b.getBagAttributes().getObjects();
            while (e.hasMoreElements()) {
                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                DERObjectIdentifier oid = (DERObjectIdentifier) sq.getObjectAt(0);
                DERObject attr = (DERObject) ((ASN1Set) sq.getObjectAt(1)).getObjectAt(0);
                PKCS12BagAttributeCarrier bagAttr = null;
                if (cert instanceof PKCS12BagAttributeCarrier) {
                    bagAttr = (PKCS12BagAttributeCarrier) cert;
                    DEREncodable existing = bagAttr.getBagAttribute(oid);
                    if (existing != null) {
                        // OK, but the value has to be the same
                        if (!existing.getDERObject().equals(attr)) {
                            throw new IOException("attempt to add existing attribute with different value");
                        }
                    } else {
                        bagAttr.setBagAttribute(oid, attr);
                    }
                }
                if (oid.equals(pkcs_9_at_friendlyName)) {
                    alias = ((DERBMPString) attr).getString();
                } else if (oid.equals(pkcs_9_at_localKeyId)) {
                    localId = (ASN1OctetString) attr;
                }
            }
        }
        chainCerts.put(new CertId(cert.getPublicKey()), cert);
        if (unmarkedKey) {
            if (keyCerts.isEmpty()) {
                String name = new String(Hex.encode(createSubjectKeyId(cert.getPublicKey()).getKeyIdentifier()));
                keyCerts.put(name, cert);
                keys.put(name, keys.remove("unmarked"));
            }
        } else {
            //
            if (localId != null) {
                String name = new String(Hex.encode(localId.getOctets()));
                keyCerts.put(name, cert);
            }
            if (alias != null) {
                certs.put(alias, cert);
            }
        }
    }
}