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

Example 6 with Certificate

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

the class JDKPKCS12KeyStore method engineGetCertificateChain.

public Certificate[] engineGetCertificateChain(String alias) {
    if (alias == null) {
        throw new IllegalArgumentException("null alias passed to getCertificateChain.");
    }
    if (!engineIsKeyEntry(alias)) {
        return null;
    }
    Certificate c = engineGetCertificate(alias);
    if (c != null) {
        Vector cs = new Vector();
        while (c != null) {
            X509Certificate x509c = (X509Certificate) c;
            Certificate nextC = null;
            byte[] bytes = x509c.getExtensionValue(X509Extensions.AuthorityKeyIdentifier.getId());
            if (bytes != null) {
                try {
                    ASN1InputStream aIn = new ASN1InputStream(bytes);
                    byte[] authBytes = ((ASN1OctetString) aIn.readObject()).getOctets();
                    aIn = new ASN1InputStream(authBytes);
                    AuthorityKeyIdentifier id = new AuthorityKeyIdentifier((ASN1Sequence) aIn.readObject());
                    if (id.getKeyIdentifier() != null) {
                        nextC = (Certificate) chainCerts.get(new CertId(id.getKeyIdentifier()));
                    }
                } catch (IOException e) {
                    throw new RuntimeException(e.toString());
                }
            }
            if (nextC == null) {
                //
                // no authority key id, try the Issuer DN
                //
                Principal i = x509c.getIssuerDN();
                Principal s = x509c.getSubjectDN();
                if (!i.equals(s)) {
                    Enumeration e = chainCerts.keys();
                    while (e.hasMoreElements()) {
                        X509Certificate crt = (X509Certificate) chainCerts.get(e.nextElement());
                        Principal sub = crt.getSubjectDN();
                        if (sub.equals(i)) {
                            try {
                                x509c.verify(crt.getPublicKey());
                                nextC = crt;
                                break;
                            } catch (Exception ex) {
                            // continue
                            }
                        }
                    }
                }
            }
            cs.addElement(c);
            if (// self signed - end of the chain
            nextC != c) {
                c = nextC;
            } else {
                c = null;
            }
        }
        Certificate[] certChain = new Certificate[cs.size()];
        for (int i = 0; i != certChain.length; i++) {
            certChain[i] = (Certificate) cs.elementAt(i);
        }
        return certChain;
    }
    return null;
}

Example 7 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate 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 8 with Certificate

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

the class JDKX509CertificateFactory method engineGenerateCertificates.

/**
     * Returns a (possibly empty) collection view of the certificates
     * read from the given input stream inStream.
     */
public Collection engineGenerateCertificates(InputStream inStream) throws CertificateException {
    Certificate cert;
    List certs = new ArrayList();
    while ((cert = engineGenerateCertificate(inStream)) != null) {
        certs.add(cert);
    }
    return certs;
}

Example 9 with Certificate

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

the class RFC3280CertPathUtilities method processCRLB1.

/**
     * If the DP includes cRLIssuer, then verify that the issuer field in the
     * complete CRL matches cRLIssuer in the DP and that the complete CRL
     * contains an issuing distribution point extension with the indirectCRL
     * boolean asserted. Otherwise, verify that the CRL issuer matches the
     * certificate issuer.
     *
     * @param dp   The distribution point.
     * @param cert The certificate ot attribute certificate.
     * @param crl  The CRL for <code>cert</code>.
     * @throws AnnotatedException if one of the above conditions does not apply or an error
     *                            occurs.
     */
protected static void processCRLB1(DistributionPoint dp, Object cert, X509CRL crl) throws AnnotatedException {
    DERObject idp = CertPathValidatorUtilities.getExtensionValue(crl, ISSUING_DISTRIBUTION_POINT);
    boolean isIndirect = false;
    if (idp != null) {
        if (IssuingDistributionPoint.getInstance(idp).isIndirectCRL()) {
            isIndirect = true;
        }
    }
    byte[] issuerBytes = CertPathValidatorUtilities.getIssuerPrincipal(crl).getEncoded();
    boolean matchIssuer = false;
    if (dp.getCRLIssuer() != null) {
        GeneralName[] genNames = dp.getCRLIssuer().getNames();
        for (int j = 0; j < genNames.length; j++) {
            if (genNames[j].getTagNo() == GeneralName.directoryName) {
                try {
                    if (Arrays.areEqual(genNames[j].getName().getDERObject().getEncoded(), issuerBytes)) {
                        matchIssuer = true;
                    }
                } catch (IOException e) {
                    throw new AnnotatedException("CRL issuer information from distribution point cannot be decoded.", e);
                }
            }
        }
        if (matchIssuer && !isIndirect) {
            throw new AnnotatedException("Distribution point contains cRLIssuer field but CRL is not indirect.");
        }
        if (!matchIssuer) {
            throw new AnnotatedException("CRL issuer of CRL does not match CRL issuer of distribution point.");
        }
    } else {
        if (CertPathValidatorUtilities.getIssuerPrincipal(crl).equals(CertPathValidatorUtilities.getEncodedIssuerPrincipal(cert))) {
            matchIssuer = true;
        }
    }
    if (!matchIssuer) {
        throw new AnnotatedException("Cannot find matching CRL issuer for certificate.");
    }
}

Example 10 with Certificate

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

the class RFC3280CertPathUtilities method processCertBC.

protected static void processCertBC(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    int n = certs.size();
    // i as defined in the algorithm description
    int i = n - index;
    //
    if (!(CertPathValidatorUtilities.isSelfIssued(cert) && (i < n))) {
        X500Principal principal = CertPathValidatorUtilities.getSubjectPrincipal(cert);
        ASN1InputStream aIn = new ASN1InputStream(principal.getEncoded());
        ASN1Sequence dns;
        try {
            dns = DERSequence.getInstance(aIn.readObject());
        } catch (Exception e) {
            throw new CertPathValidatorException("Exception extracting subject name when checking subtrees.", e, certPath, index);
        }
        try {
            nameConstraintValidator.checkPermittedDN(dns);
            nameConstraintValidator.checkExcludedDN(dns);
        } catch (PKIXNameConstraintValidatorException e) {
            throw new CertPathValidatorException("Subtree check for certificate subject failed.", e, certPath, index);
        }
        GeneralNames altName = null;
        try {
            altName = GeneralNames.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME));
        } catch (Exception e) {
            throw new CertPathValidatorException("Subject alternative name extension could not be decoded.", e, certPath, index);
        }
        Vector emails = new X509Name(dns).getValues(X509Name.EmailAddress);
        for (Enumeration e = emails.elements(); e.hasMoreElements(); ) {
            String email = (String) e.nextElement();
            GeneralName emailAsGeneralName = new GeneralName(GeneralName.rfc822Name, email);
            try {
                nameConstraintValidator.checkPermitted(emailAsGeneralName);
                nameConstraintValidator.checkExcluded(emailAsGeneralName);
            } catch (PKIXNameConstraintValidatorException ex) {
                throw new CertPathValidatorException("Subtree check for certificate subject alternative email failed.", ex, certPath, index);
            }
        }
        if (altName != null) {
            GeneralName[] genNames = null;
            try {
                genNames = altName.getNames();
            } catch (Exception e) {
                throw new CertPathValidatorException("Subject alternative name contents could not be decoded.", e, certPath, index);
            }
            for (int j = 0; j < genNames.length; j++) {
                try {
                    nameConstraintValidator.checkPermitted(genNames[j]);
                    nameConstraintValidator.checkExcluded(genNames[j]);
                } catch (PKIXNameConstraintValidatorException e) {
                    throw new CertPathValidatorException("Subtree check for certificate subject alternative name failed.", e, certPath, index);
                }
            }
        }
    }
}