Package jcifs.spnego.asn1

Examples of jcifs.spnego.asn1.DEROutputStream

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    public byte[] getTBSCertificate()
        throws CertificateException
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);

        try
        {
            dOut.writeObject(c.getTBSCertificate());

            return bOut.toByteArray();
        }
        catch (IOException e)
        {
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        if (c.getSignatureAlgorithm().getParameters() != null)
        {
            try
            {
                DEROutputStream         dOut = new DEROutputStream(bOut);

                dOut.writeObject(c.getSignatureAlgorithm().getParameters());
            }
            catch (Exception e)
            {
                throw new RuntimeException("exception getting sig parameters " + e);
            }
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            X509Extension   ext = exts.getExtension(new DERObjectIdentifier(oid));

            if (ext != null)
            {
                ByteArrayOutputStream    bOut = new ByteArrayOutputStream();
                DEROutputStream            dOut = new DEROutputStream(bOut);

                try
                {
                    dOut.writeObject(ext.getValue());

                    return bOut.toByteArray();
                }
                catch (Exception e)
                {
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    public byte[] getEncoded()
        throws CertificateException
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);

        try
        {
            dOut.writeObject(c);

            return bOut.toByteArray();
        }
        catch (IOException e)
        {
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    public byte[] toByteArray() {
        try {
            ByteArrayOutputStream collector = new ByteArrayOutputStream();
            DEROutputStream der = new DEROutputStream(collector);
            ASN1EncodableVector fields = new ASN1EncodableVector();
            int result = getResult();
            if (result != UNSPECIFIED_RESULT) {
                fields.add(new DERTaggedObject(true, 0,
                        new DEREnumerated(result)));
            }
            String mechanism = getMechanism();
            if (mechanism != null) {
                fields.add(new DERTaggedObject(true, 1,
                        new DERObjectIdentifier(mechanism)));
            }
            byte[] mechanismToken = getMechanismToken();
            if (mechanismToken != null) {
                fields.add(new DERTaggedObject(true, 2,
                        new DEROctetString(mechanismToken)));
            }
            byte[] mechanismListMIC = getMechanismListMIC();
            if (mechanismListMIC != null) {
                fields.add(new DERTaggedObject(true, 3,
                        new DEROctetString(mechanismListMIC)));
            }
            der.writeObject(new DERTaggedObject(true, 1,
                    new DERSequence(fields)));
            return collector.toByteArray();
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        try {
            ByteArrayOutputStream collector = new ByteArrayOutputStream();
            DEROutputStream der = new DEROutputStream(collector);
            der.writeObject(new DERObjectIdentifier(
                    SpnegoConstants.SPNEGO_MECHANISM));
            ASN1EncodableVector fields = new ASN1EncodableVector();
            String[] mechanisms = getMechanisms();
            if (mechanisms != null) {
                ASN1EncodableVector vector = new ASN1EncodableVector();
                for (int i = 0; i < mechanisms.length; i++) {
                    vector.add(new DERObjectIdentifier(mechanisms[i]));
                }
                fields.add(new DERTaggedObject(true, 0,
                        new DERSequence(vector)));
            }
            int contextFlags = getContextFlags();
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                DERObjectIdentifier mechanism =
                        DERObjectIdentifier.getInstance(tagged, true);
                setMechanism(mechanism.getId());
                break;
            case 2:
                ASN1OctetString mechanismToken =
                        ASN1OctetString.getInstance(tagged, true);
                setMechanismToken(mechanismToken.getOctets());
                break;
            case 3:
                ASN1OctetString mechanismListMIC =
                        ASN1OctetString.getInstance(tagged, true);
                setMechanismListMIC(mechanismListMIC.getOctets());
                break;
            default:
                throw new IOException("Malformed token field.");
            }
        }
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                DERBitString contextFlags = DERBitString.getInstance(tagged,
                        true);
                setContextFlags(contextFlags.getBytes()[0] & 0xff);
                break;
            case 2:
                ASN1OctetString mechanismToken =
                        ASN1OctetString.getInstance(tagged, true);
                setMechanismToken(mechanismToken.getOctets());
                break;
            case 3:
                ASN1OctetString mechanismListMIC =
                        ASN1OctetString.getInstance(tagged, true);
                setMechanismListMIC(mechanismListMIC.getOctets());
                break;
            default:
                throw new IOException("Malformed token field.");
            }
        }
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    protected void parse(byte[] token) throws IOException {
        ByteArrayInputStream tokenStream = new ByteArrayInputStream(token);
        DERInputStream der = new DERInputStream(tokenStream);
        ASN1TaggedObject tagged = (ASN1TaggedObject) der.readObject();
        ASN1Sequence sequence = ASN1Sequence.getInstance(tagged, true);
        Enumeration fields = sequence.getObjects();
        while (fields.hasMoreElements()) {
            tagged = (ASN1TaggedObject) fields.nextElement();
            switch (tagged.getTagNo()) {
            case 0:
                DEREnumerated enumerated =
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        }
        tokenStream = new ByteArrayInputStream(constructed.getData());
        der = new DERInputStream(tokenStream);
        DERObjectIdentifier spnego = (DERObjectIdentifier) der.readObject();
        ASN1TaggedObject tagged = (ASN1TaggedObject) der.readObject();
        ASN1Sequence sequence = ASN1Sequence.getInstance(tagged, true);
        Enumeration fields = sequence.getObjects();
        while (fields.hasMoreElements()) {
            tagged = (ASN1TaggedObject) fields.nextElement();
            switch (tagged.getTagNo()) {
            case 0:
                sequence = ASN1Sequence.getInstance(tagged, true);
                String[] mechanisms = new String[sequence.size()];
                for (int i = mechanisms.length - 1; i >= 0; i--) {
                    DERObjectIdentifier mechanism = (DERObjectIdentifier)
                            sequence.getObjectAt(i);
                    mechanisms[i] = mechanism.getId();
                }
                setMechanisms(mechanisms);
                break;
            case 1:
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