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

Example 21 with Attribute

use of org.bouncycastle.asn1.x509.Attribute in project robovm by robovm.

the class RFC3280CertPathUtilities method processCRLF.

/**
     * Obtain and validate the certification path for the complete CRL issuer.
     * If a key usage extension is present in the CRL issuer's certificate,
     * verify that the cRLSign bit is set.
     *
     * @param crl                CRL which contains revocation information for the certificate
     *                           <code>cert</code>.
     * @param cert               The attribute certificate or certificate to check if it is
     *                           revoked.
     * @param defaultCRLSignCert The issuer certificate of the certificate <code>cert</code>.
     * @param defaultCRLSignKey  The public key of the issuer certificate
     *                           <code>defaultCRLSignCert</code>.
     * @param paramsPKIX         paramsPKIX PKIX parameters.
     * @param certPathCerts      The certificates on the certification path.
     * @return A <code>Set</code> with all keys of possible CRL issuer
     *         certificates.
     * @throws AnnotatedException if the CRL is not valid or the status cannot be checked or
     *                            some error occurs.
     */
protected static Set processCRLF(X509CRL crl, Object cert, X509Certificate defaultCRLSignCert, PublicKey defaultCRLSignKey, ExtendedPKIXParameters paramsPKIX, List certPathCerts) throws AnnotatedException {
    // (f)
    // get issuer from CRL
    X509CertStoreSelector selector = new X509CertStoreSelector();
    try {
        byte[] issuerPrincipal = CertPathValidatorUtilities.getIssuerPrincipal(crl).getEncoded();
        selector.setSubject(issuerPrincipal);
    } catch (IOException e) {
        throw new AnnotatedException("Subject criteria for certificate selector to find issuer certificate for CRL could not be set.", e);
    }
    // get CRL signing certs
    Collection coll;
    try {
        coll = CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getStores());
        coll.addAll(CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getAdditionalStores()));
        coll.addAll(CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getCertStores()));
    } catch (AnnotatedException e) {
        throw new AnnotatedException("Issuer certificate for CRL cannot be searched.", e);
    }
    coll.add(defaultCRLSignCert);
    Iterator cert_it = coll.iterator();
    List validCerts = new ArrayList();
    List validKeys = new ArrayList();
    while (cert_it.hasNext()) {
        X509Certificate signingCert = (X509Certificate) cert_it.next();
        /*
             * CA of the certificate, for which this CRL is checked, has also
             * signed CRL, so skip the path validation, because is already done
             */
        if (signingCert.equals(defaultCRLSignCert)) {
            validCerts.add(signingCert);
            validKeys.add(defaultCRLSignKey);
            continue;
        }
        try {
            CertPathBuilder builder = CertPathBuilder.getInstance("PKIX", BouncyCastleProvider.PROVIDER_NAME);
            selector = new X509CertStoreSelector();
            selector.setCertificate(signingCert);
            ExtendedPKIXParameters temp = (ExtendedPKIXParameters) paramsPKIX.clone();
            temp.setTargetCertConstraints(selector);
            ExtendedPKIXBuilderParameters params = (ExtendedPKIXBuilderParameters) ExtendedPKIXBuilderParameters.getInstance(temp);
            /*
                 * if signingCert is placed not higher on the cert path a
                 * dependency loop results. CRL for cert is checked, but
                 * signingCert is needed for checking the CRL which is dependent
                 * on checking cert because it is higher in the cert path and so
                 * signing signingCert transitively. so, revocation is disabled,
                 * forgery attacks of the CRL are detected in this outer loop
                 * for all other it must be enabled to prevent forgery attacks
                 */
            if (certPathCerts.contains(signingCert)) {
                params.setRevocationEnabled(false);
            } else {
                params.setRevocationEnabled(true);
            }
            List certs = builder.build(params).getCertPath().getCertificates();
            validCerts.add(signingCert);
            validKeys.add(CertPathValidatorUtilities.getNextWorkingKey(certs, 0));
        } catch (CertPathBuilderException e) {
            throw new AnnotatedException("Internal error.", e);
        } catch (CertPathValidatorException e) {
            throw new AnnotatedException("Public key of issuer certificate of CRL could not be retrieved.", e);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        }
    }
    Set checkKeys = new HashSet();
    AnnotatedException lastException = null;
    for (int i = 0; i < validCerts.size(); i++) {
        X509Certificate signCert = (X509Certificate) validCerts.get(i);
        boolean[] keyusage = signCert.getKeyUsage();
        if (keyusage != null && (keyusage.length < 7 || !keyusage[CRL_SIGN])) {
            lastException = new AnnotatedException("Issuer certificate key usage extension does not permit CRL signing.");
        } else {
            checkKeys.add(validKeys.get(i));
        }
    }
    if (checkKeys.isEmpty() && lastException == null) {
        throw new AnnotatedException("Cannot find a valid issuer certificate.");
    }
    if (checkKeys.isEmpty() && lastException != null) {
        throw lastException;
    }
    return checkKeys;
}

Example 22 with Attribute

use of org.bouncycastle.asn1.x509.Attribute in project platform_frameworks_base by android.

the class ESTHandler method buildCSR.

private byte[] buildCSR(ByteBuffer octetBuffer, OMADMAdapter omadmAdapter, HTTPHandler httpHandler) throws IOException, GeneralSecurityException {
    //Security.addProvider(new BouncyCastleProvider());
    Log.d(TAG, "/csrattrs:");
    /*
        byte[] octets = new byte[octetBuffer.remaining()];
        octetBuffer.duplicate().get(octets);
        for (byte b : octets) {
            System.out.printf("%02x ", b & 0xff);
        }
        */
    Collection<Asn1Object> csrs = Asn1Decoder.decode(octetBuffer);
    for (Asn1Object asn1Object : csrs) {
        Log.d(TAG, asn1Object.toString());
    }
    if (csrs.size() != 1) {
        throw new IOException("Unexpected object count in CSR attributes response: " + csrs.size());
    }
    Asn1Object sequence = csrs.iterator().next();
    if (sequence.getClass() != Asn1Constructed.class) {
        throw new IOException("Unexpected CSR attribute container: " + sequence);
    }
    String keyAlgo = null;
    Asn1Oid keyAlgoOID = null;
    String sigAlgo = null;
    String curveName = null;
    Asn1Oid pubCrypto = null;
    int keySize = -1;
    Map<Asn1Oid, ASN1Encodable> idAttributes = new HashMap<>();
    for (Asn1Object child : sequence.getChildren()) {
        if (child.getTag() == Asn1Decoder.TAG_OID) {
            Asn1Oid oid = (Asn1Oid) child;
            OidMappings.SigEntry sigEntry = OidMappings.getSigEntry(oid);
            if (sigEntry != null) {
                sigAlgo = sigEntry.getSigAlgo();
                keyAlgoOID = sigEntry.getKeyAlgo();
                keyAlgo = OidMappings.getJCEName(keyAlgoOID);
            } else if (oid.equals(OidMappings.sPkcs9AtChallengePassword)) {
                byte[] tlsUnique = httpHandler.getTLSUnique();
                if (tlsUnique != null) {
                    idAttributes.put(oid, new DERPrintableString(Base64.encodeToString(tlsUnique, Base64.DEFAULT)));
                } else {
                    Log.w(TAG, "Cannot retrieve TLS unique channel binding");
                }
            }
        } else if (child.getTag() == Asn1Decoder.TAG_SEQ) {
            Asn1Oid oid = null;
            Set<Asn1Oid> oidValues = new HashSet<>();
            List<Asn1Object> values = new ArrayList<>();
            for (Asn1Object attributeSeq : child.getChildren()) {
                if (attributeSeq.getTag() == Asn1Decoder.TAG_OID) {
                    oid = (Asn1Oid) attributeSeq;
                } else if (attributeSeq.getTag() == Asn1Decoder.TAG_SET) {
                    for (Asn1Object value : attributeSeq.getChildren()) {
                        if (value.getTag() == Asn1Decoder.TAG_OID) {
                            oidValues.add((Asn1Oid) value);
                        } else {
                            values.add(value);
                        }
                    }
                }
            }
            if (oid == null) {
                throw new IOException("Invalid attribute, no OID");
            }
            if (oid.equals(OidMappings.sExtensionRequest)) {
                for (Asn1Oid subOid : oidValues) {
                    if (OidMappings.isIDAttribute(subOid)) {
                        if (subOid.equals(OidMappings.sMAC)) {
                            idAttributes.put(subOid, new DERIA5String(omadmAdapter.getMAC()));
                        } else if (subOid.equals(OidMappings.sIMEI)) {
                            idAttributes.put(subOid, new DERIA5String(omadmAdapter.getImei()));
                        } else if (subOid.equals(OidMappings.sMEID)) {
                            idAttributes.put(subOid, new DERBitString(omadmAdapter.getMeid()));
                        } else if (subOid.equals(OidMappings.sDevID)) {
                            idAttributes.put(subOid, new DERPrintableString(omadmAdapter.getDevID()));
                        }
                    }
                }
            } else if (OidMappings.getCryptoID(oid) != null) {
                pubCrypto = oid;
                if (!values.isEmpty()) {
                    for (Asn1Object value : values) {
                        if (value.getTag() == Asn1Decoder.TAG_INTEGER) {
                            keySize = (int) ((Asn1Integer) value).getValue();
                        }
                    }
                }
                if (oid.equals(OidMappings.sAlgo_EC)) {
                    if (oidValues.isEmpty()) {
                        throw new IOException("No ECC curve name provided");
                    }
                    for (Asn1Oid value : oidValues) {
                        curveName = OidMappings.getJCEName(value);
                        if (curveName != null) {
                            break;
                        }
                    }
                    if (curveName == null) {
                        throw new IOException("Found no ECC curve for " + oidValues);
                    }
                }
            }
        }
    }
    if (keyAlgoOID == null) {
        throw new IOException("No public key algorithm specified");
    }
    if (pubCrypto != null && !pubCrypto.equals(keyAlgoOID)) {
        throw new IOException("Mismatching key algorithms");
    }
    if (keyAlgoOID.equals(OidMappings.sAlgo_RSA)) {
        if (keySize < MinRSAKeySize) {
            if (keySize >= 0) {
                Log.i(TAG, "Upgrading suggested RSA key size from " + keySize + " to " + MinRSAKeySize);
            }
            keySize = MinRSAKeySize;
        }
    }
    Log.d(TAG, String.format("pub key '%s', signature '%s', ECC curve '%s', id-atts %s", keyAlgo, sigAlgo, curveName, idAttributes));
    /*
          Ruckus:
            SEQUENCE:
              OID=1.2.840.113549.1.1.11 (algo_id_sha256WithRSAEncryption)

          RFC-7030:
            SEQUENCE:
              OID=1.2.840.113549.1.9.7 (challengePassword)
              SEQUENCE:
                OID=1.2.840.10045.2.1 (algo_id_ecPublicKey)
                SET:
                  OID=1.3.132.0.34 (secp384r1)
              SEQUENCE:
                OID=1.2.840.113549.1.9.14 (extensionRequest)
                SET:
                  OID=1.3.6.1.1.1.1.22 (mac-address)
              OID=1.2.840.10045.4.3.3 (eccdaWithSHA384)

              1L, 3L, 6L, 1L, 1L, 1L, 1L, 22
         */
    // ECC Does not appear to be supported currently
    KeyPairGenerator kpg = KeyPairGenerator.getInstance(keyAlgo);
    if (curveName != null) {
        AlgorithmParameters algorithmParameters = AlgorithmParameters.getInstance(keyAlgo);
        algorithmParameters.init(new ECNamedCurveGenParameterSpec(curveName));
        kpg.initialize(algorithmParameters.getParameterSpec(ECNamedCurveGenParameterSpec.class));
    } else {
        kpg.initialize(keySize);
    }
    KeyPair kp = kpg.generateKeyPair();
    X500Principal subject = new X500Principal("CN=Android, O=Google, C=US");
    mClientKey = kp.getPrivate();
    // !!! Map the idAttributes into an ASN1Set of values to pass to
    // the PKCS10CertificationRequest - this code is using outdated BC classes and
    // has *not* been tested.
    ASN1Set attributes;
    if (!idAttributes.isEmpty()) {
        ASN1EncodableVector payload = new DEREncodableVector();
        for (Map.Entry<Asn1Oid, ASN1Encodable> entry : idAttributes.entrySet()) {
            DERObjectIdentifier type = new DERObjectIdentifier(entry.getKey().toOIDString());
            ASN1Set values = new DERSet(entry.getValue());
            Attribute attribute = new Attribute(type, values);
            payload.add(attribute);
        }
        attributes = new DERSet(payload);
    } else {
        attributes = null;
    }
    return new PKCS10CertificationRequest(sigAlgo, subject, kp.getPublic(), attributes, mClientKey).getEncoded();
}

Example 23 with Attribute

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

the class MiscPEMGenerator method createPemObject.

private PemObject createPemObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof PemObject) {
        return (PemObject) o;
    }
    if (o instanceof PemObjectGenerator) {
        return ((PemObjectGenerator) o).generate();
    }
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        return createPemObject(((KeyPair) o).getPrivate());
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));
            BigInteger x = ((DSAPrivateKey) o).getX();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new DERInteger(y));
            v.add(new DERInteger(x));
            encoding = new DERSequence(v).getEncoded();
        } else if (((PrivateKey) o).getAlgorithm().equals("ECDSA")) {
            type = "EC PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) o).getEncoded();
    } else if (o instanceof PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    return new PemObject(type, encoding);
}

Example 24 with Attribute

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

the class Attribute method toASN1Object.

/** 
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * Attribute ::= SEQUENCE {
     *     attrType OBJECT IDENTIFIER,
     *     attrValues SET OF AttributeValue
     * }
     * </pre>
     */
public DERObject toASN1Object() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(attrType);
    v.add(attrValues);
    return new DERSequence(v);
}

Example 25 with Attribute

use of org.bouncycastle.asn1.x509.Attribute in project robovm by robovm.

the class CertPathValidatorUtilities method getCRLIssuersFromDistributionPoint.

/**
     * Add the CRL issuers from the cRLIssuer field of the distribution point or
     * from the certificate if not given to the issuer criterion of the
     * <code>selector</code>.
     * <p/>
     * The <code>issuerPrincipals</code> are a collection with a single
     * <code>X500Principal</code> for <code>X509Certificate</code>s. For
     * {@link X509AttributeCertificate}s the issuer may contain more than one
     * <code>X500Principal</code>.
     *
     * @param dp               The distribution point.
     * @param issuerPrincipals The issuers of the certificate or attribute
     *                         certificate which contains the distribution point.
     * @param selector         The CRL selector.
     * @param pkixParams       The PKIX parameters containing the cert stores.
     * @throws AnnotatedException if an exception occurs while processing.
     * @throws ClassCastException if <code>issuerPrincipals</code> does not
     * contain only <code>X500Principal</code>s.
     */
protected static void getCRLIssuersFromDistributionPoint(DistributionPoint dp, Collection issuerPrincipals, X509CRLSelector selector, ExtendedPKIXParameters pkixParams) throws AnnotatedException {
    List issuers = new ArrayList();
    // indirect CRL
    if (dp.getCRLIssuer() != null) {
        GeneralName[] genNames = dp.getCRLIssuer().getNames();
        // look for a DN
        for (int j = 0; j < genNames.length; j++) {
            if (genNames[j].getTagNo() == GeneralName.directoryName) {
                try {
                    issuers.add(new X500Principal(genNames[j].getName().toASN1Primitive().getEncoded()));
                } catch (IOException e) {
                    throw new AnnotatedException("CRL issuer information from distribution point cannot be decoded.", e);
                }
            }
        }
    } else {
        /*
             * certificate issuer is CRL issuer, distributionPoint field MUST be
             * present.
             */
        if (dp.getDistributionPoint() == null) {
            throw new AnnotatedException("CRL issuer is omitted from distribution point but no distributionPoint field present.");
        }
        // add and check issuer principals
        for (Iterator it = issuerPrincipals.iterator(); it.hasNext(); ) {
            issuers.add((X500Principal) it.next());
        }
    }
    // TODO: is not found although this should correctly add the rel name. selector of Sun is buggy here or PKI test case is invalid
    // distributionPoint
    //        if (dp.getDistributionPoint() != null)
    //        {
    //            // look for nameRelativeToCRLIssuer
    //            if (dp.getDistributionPoint().getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER)
    //            {
    //                // append fragment to issuer, only one
    //                // issuer can be there, if this is given
    //                if (issuers.size() != 1)
    //                {
    //                    throw new AnnotatedException(
    //                        "nameRelativeToCRLIssuer field is given but more than one CRL issuer is given.");
    //                }
    //                ASN1Encodable relName = dp.getDistributionPoint().getName();
    //                Iterator it = issuers.iterator();
    //                List issuersTemp = new ArrayList(issuers.size());
    //                while (it.hasNext())
    //                {
    //                    Enumeration e = null;
    //                    try
    //                    {
    //                        e = ASN1Sequence.getInstance(
    //                            new ASN1InputStream(((X500Principal) it.next())
    //                                .getEncoded()).readObject()).getObjects();
    //                    }
    //                    catch (IOException ex)
    //                    {
    //                        throw new AnnotatedException(
    //                            "Cannot decode CRL issuer information.", ex);
    //                    }
    //                    ASN1EncodableVector v = new ASN1EncodableVector();
    //                    while (e.hasMoreElements())
    //                    {
    //                        v.add((ASN1Encodable) e.nextElement());
    //                    }
    //                    v.add(relName);
    //                    issuersTemp.add(new X500Principal(new DERSequence(v)
    //                        .getDEREncoded()));
    //                }
    //                issuers.clear();
    //                issuers.addAll(issuersTemp);
    //            }
    //        }
    Iterator it = issuers.iterator();
    while (it.hasNext()) {
        try {
            selector.addIssuerName(((X500Principal) it.next()).getEncoded());
        } catch (IOException ex) {
            throw new AnnotatedException("Cannot decode CRL issuer information.", ex);
        }
    }
}