Examples of sun.security.util.DerOutputStream

sun.security.util.DerOutputStream
Output stream marshaling DER-encoded data. This is eventually provided in the form of a byte array; there is no advance limit on the size of that byte array.
At this time, this class supports only a subset of the types of DER data encodings which are defined. That subset is sufficient for generating most X.509 certificates. @author David Brownell @author Amit Kapoor @author Hemma Prafullchandra

     * @exception GSSException may be thrown when the oid can't be encoded
     */
    public byte[] getDER() throws GSSException {
    
        if (derEncoding == null) {
      DerOutputStream dout = new DerOutputStream();
      try {
    dout.putOID(oid);
      } catch (IOException e) {
    throw new GSSException(GSSException.FAILURE, e.getMessage());
      }
      derEncoding = dout.toByteArray();
  }


        return (byte[])derEncoding.clone();
    }

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     * @exception GSSException may be thrown when the oid can't be encoded
     */
    public byte[] getDER() throws GSSException {


        if (derEncoding == null) {
            DerOutputStream dout = new DerOutputStream();
            try {
                dout.putOID(oid);
            } catch (IOException e) {
                throw new GSSException(GSSException.FAILURE, e.getMessage());
            }
            derEncoding = dout.toByteArray();
        }


        return derEncoding.clone();
    }

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    private IdentityToken createIdToken(java.lang.Object cred, Class cls)
        throws Exception {


        IdentityToken idtok   = null;


        DerOutputStream dos = new DerOutputStream();
        DerValue[]  derval  = {} ; // DER encoding buffer
        byte[] cdrval ;            // CDR encoding buffer
        Any  any = orb.create_any();
        idtok = new IdentityToken();
  
        if (X500Name.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an X500 DN Identity Token");
            X500Name name = (X500Name) cred;
            name.encode(dos);  // ASN.1 encoding
            X501DistinguishedNameHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded X501 name */
            idtok.dn(codec.encode_value(any)); 
        } else if (X509CertificateCredential.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an X509 Certificate Chain Identity Token");
      /* create a DER encoding */
            X509CertificateCredential certcred = (X509CertificateCredential) cred;
            X509Certificate[] certchain = certcred.getX509CertificateChain();
                _logger.log(Level.FINE,"Certchain length = " + certchain.length);
            derval = new DerValue[certchain.length];
            for (int i = 0; i < certchain.length ; i++)
                derval[i] = new DerValue(certchain[i].getEncoded());
            dos.putSequence(derval);
            X509CertificateChainHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded certificate chain */
            idtok.certificate_chain(codec.encode_value(any));
        } else if (AnonCredential.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an Anonymous Identity Token");

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    {
        if(_logger.isLoggable(Level.FINE)) {
            _logger.log(Level.FINE,"Returning OID in DER format");
            _logger.log(Level.FINE,"    OID = " + id.toString());
        }
  DerOutputStream dos = new DerOutputStream();
  dos.putOID(id);
  byte[] oid = dos.toByteArray();
        if(_logger.isLoggable(Level.FINE)) {
    _logger.log(Level.FINE,"    DER OID: " + dumpHex(oid));
        }
  return oid;
    }

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    private IdentityToken createIdToken(java.lang.Object cred, Class cls, ORB orb)
        throws Exception {


        IdentityToken idtok   = null;


        DerOutputStream dos = new DerOutputStream();
        DerValue[]  derval  = null ; // DER encoding buffer
        //byte[] cdrval ;            // CDR encoding buffer
        Any  any = orb.create_any();
        idtok = new IdentityToken();
  
        if (X500Name.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an X500 DN Identity Token");
            X500Name credname = (X500Name) cred;
            credname.encode(dos);  // ASN.1 encoding
            X501DistinguishedNameHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded X501 name */
            idtok.dn(codec.encode_value(any)); 
        } else if (X509CertificateCredential.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an X509 Certificate Chain Identity Token");
      /* create a DER encoding */
            X509CertificateCredential certcred = (X509CertificateCredential) cred;
            X509Certificate[] certchain = certcred.getX509CertificateChain();
                _logger.log(Level.FINE,"Certchain length = " + certchain.length);
            derval = new DerValue[certchain.length];
            for (int i = 0; i < certchain.length ; i++)
                derval[i] = new DerValue(certchain[i].getEncoded());
            dos.putSequence(derval);
            X509CertificateChainHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded certificate chain */
            idtok.certificate_chain(codec.encode_value(any));
        } else if (AnonCredential.class.isAssignableFrom(cls)) {
                _logger.log(Level.FINE,"Constructing an Anonymous Identity Token");

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     * @exception GSSException may be thrown when the oid can't be encoded
     */
    public byte[] getDER() throws GSSException {


        if (derEncoding == null) {
            DerOutputStream dout = new DerOutputStream();
            try {
                dout.putOID(oid);
            } catch (IOException e) {
                throw new GSSException(GSSException.FAILURE, e.getMessage());
            }
            derEncoding = dout.toByteArray();
        }


        return derEncoding.clone();
    }

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    // Encode this extension value.
    private void encodeThis() throws IOException {
        if (certPolicies == null || certPolicies.isEmpty()) {
            this.extensionValue = null;
        } else {
            DerOutputStream os = new DerOutputStream();
            DerOutputStream tmp = new DerOutputStream();


            for (PolicyInformation info : certPolicies) {
                info.encode(tmp);
            }

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     *
     * @param out the DerOutputStream to write the extension to.
     * @exception IOException on encoding errors.
     */
    public void encode(OutputStream out) throws IOException {
        DerOutputStream tmp = new DerOutputStream();
        if (extensionValue == null) {
          extensionId = PKIXExtensions.CertificatePolicies_Id;
          critical = false;
          encodeThis();
        }
        super.encode(tmp);
        out.write(tmp.toByteArray());
    }

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     */
    private byte[] encodePKIPATH() throws CertificateEncodingException {


        ListIterator<X509Certificate> li = certs.listIterator(certs.size());
        try {
            DerOutputStream bytes = new DerOutputStream();
            // encode certs in reverse order (trust anchor to target)
            // according to PkiPath format
            while (li.hasPrevious()) {
                X509Certificate cert = li.previous();
                // check for duplicate cert
                if (certs.lastIndexOf(cert) != certs.indexOf(cert)) {
                    throw new CertificateEncodingException
                        ("Duplicate Certificate");
                }
                // get encoded certificates
                byte[] encoded = cert.getEncoded();
                bytes.write(encoded);
            }


            // Wrap the data in a SEQUENCE
            DerOutputStream derout = new DerOutputStream();
            derout.write(DerValue.tag_SequenceOf, bytes);
            return derout.toByteArray();


        } catch (IOException ioe) {
           CertificateEncodingException ce = new CertificateEncodingException
                ("IOException encoding PkiPath data: " + ioe);
           ce.initCause(ioe);

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    private byte[] encodePKCS7() throws CertificateEncodingException {
        PKCS7 p7 = new PKCS7(new AlgorithmId[0],
                             new ContentInfo(ContentInfo.DATA_OID, null),
                             certs.toArray(new X509Certificate[certs.size()]),
                             new SignerInfo[0]);
        DerOutputStream derout = new DerOutputStream();
        try {
            p7.encodeSignedData(derout);
        } catch (IOException ioe) {
            throw new CertificateEncodingException(ioe.getMessage());
        }
        return derout.toByteArray();
    }

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