Package org.apache.commons.ssl.asn1

Examples of org.apache.commons.ssl.asn1.ASN1Sequence


                throw new IllegalArgumentException("can't decode PKCS7SignedData object");
            }
            if (!(pkcs instanceof ASN1Sequence)) {
                throw new IllegalArgumentException("Not a valid PKCS#7 object - not a sequence");
            }
            ASN1Sequence signedData = (ASN1Sequence)pkcs;
            DERObjectIdentifier objId = (DERObjectIdentifier)signedData.getObjectAt(0);
            if (!objId.getId().equals(ID_PKCS7_SIGNED_DATA))
                throw new IllegalArgumentException("Not a valid PKCS#7 object - not signed data");
            ASN1Sequence content = (ASN1Sequence)((DERTaggedObject)signedData.getObjectAt(1)).getObject();
            // the positions that we care are:
            //     0 - version
            //     1 - digestAlgorithms
            //     2 - possible ID_PKCS7_DATA
            //     (the certificates and crls are taken out by other means)
            //     last - signerInfos

            // the version
            version = ((DERInteger)content.getObjectAt(0)).getValue().intValue();

            // the digestAlgorithms
            digestalgos = new HashSet();
            Enumeration e = ((ASN1Set)content.getObjectAt(1)).getObjects();
            while (e.hasMoreElements())
            {
                ASN1Sequence s = (ASN1Sequence)e.nextElement();
                DERObjectIdentifier o = (DERObjectIdentifier)s.getObjectAt(0);
                digestalgos.add(o.getId());
            }

            // the certificates and crls
            X509CertParser cr = new X509CertParser();
            cr.engineInit(new ByteArrayInputStream(contentsKey));
            certs = cr.engineReadAll();
            X509CRLParser cl = new X509CRLParser();
            cl.engineInit(new ByteArrayInputStream(contentsKey));
            crls = cl.engineReadAll();

            // the possible ID_PKCS7_DATA
            ASN1Sequence rsaData = (ASN1Sequence)content.getObjectAt(2);
            if (rsaData.size() > 1) {
                DEROctetString rsaDataContent = (DEROctetString)((DERTaggedObject)rsaData.getObjectAt(1)).getObject();
                RSAdata = rsaDataContent.getOctets();
            }

            // the signerInfos
            int next = 3;
            while (content.getObjectAt(next) instanceof DERTaggedObject)
                ++next;
            ASN1Set signerInfos = (ASN1Set)content.getObjectAt(next);
            if (signerInfos.size() != 1)
                throw new IllegalArgumentException("This PKCS#7 object has multiple SignerInfos - only one is supported at this time");
            ASN1Sequence signerInfo = (ASN1Sequence)signerInfos.getObjectAt(0);
            // the positions that we care are
            //     0 - version
            //     1 - the signing certificate serial number
            //     2 - the digest algorithm
            //     3 or 4 - digestEncryptionAlgorithm
            //     4 or 5 - encryptedDigest
            signerversion = ((DERInteger)signerInfo.getObjectAt(0)).getValue().intValue();
            // Get the signing certificate
            ASN1Sequence issuerAndSerialNumber = (ASN1Sequence)signerInfo.getObjectAt(1);
            BigInteger serialNumber = ((DERInteger)issuerAndSerialNumber.getObjectAt(1)).getValue();
            for (Iterator i = certs.iterator(); i.hasNext();) {
                X509Certificate cert = (X509Certificate)i.next();
                if (serialNumber.equals(cert.getSerialNumber())) {
                    signCert = cert;
                    break;
                }
            }
            if (signCert == null) {
                throw new IllegalArgumentException("Can't find signing certificate with serial " + serialNumber.toString(16));
            }
            digestAlgorithm = ((DERObjectIdentifier)((ASN1Sequence)signerInfo.getObjectAt(2)).getObjectAt(0)).getId();
            next = 3;
            if (signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) {
                ASN1TaggedObject tagsig = (ASN1TaggedObject)signerInfo.getObjectAt(next);
                ASN1Sequence sseq = (ASN1Sequence)tagsig.getObject();
                ByteArrayOutputStream bOut = new ByteArrayOutputStream();           
                ASN1OutputStream dout = new ASN1OutputStream(bOut);
                try {
                    ASN1EncodableVector attribute = new ASN1EncodableVector();
                    for (int k = 0; k < sseq.size(); ++k) {
                        attribute.add(sseq.getObjectAt(k));
                    }
                    dout.writeObject(new DERSet(attribute));
                    dout.close();
                }
                catch (IOException ioe){}
                sigAttr = bOut.toByteArray();

                for (int k = 0; k < sseq.size(); ++k) {
                    ASN1Sequence seq2 = (ASN1Sequence)sseq.getObjectAt(k);
                    if (((DERObjectIdentifier)seq2.getObjectAt(0)).getId().equals(ID_MESSAGE_DIGEST)) {
                        ASN1Set set = (ASN1Set)seq2.getObjectAt(1);
                        digestAttr = ((DEROctetString)set.getObjectAt(0)).getOctets();
                        break;
                    }
                }
                if (digestAttr == null)
View Full Code Here


     * @return a DERObject
     */
    private static DERObject getIssuer(byte[] enc) {
        try {
            ASN1InputStream in = new ASN1InputStream(new ByteArrayInputStream(enc));
            ASN1Sequence seq = (ASN1Sequence)in.readObject();
            return (DERObject)seq.getObjectAt(seq.getObjectAt(0) instanceof DERTaggedObject ? 3 : 2);
        }
        catch (IOException e) {
            throw new ExceptionConverter(e);
        }
    }
View Full Code Here

     * @return a DERObject
     */
    private static DERObject getSubject(byte[] enc) {
        try {
            ASN1InputStream in = new ASN1InputStream(new ByteArrayInputStream(enc));
            ASN1Sequence seq = (ASN1Sequence)in.readObject();
            return (DERObject)seq.getObjectAt(seq.getObjectAt(0) instanceof DERTaggedObject ? 5 : 4);
        }
        catch (IOException e) {
            throw new ExceptionConverter(e);
        }
    }
View Full Code Here

        Enumeration     e = obj.getObjects();

        objectId = (DERObjectIdentifier)e.nextElement();

        ASN1Sequence seq = (ASN1Sequence)e.nextElement();

        e = seq.getObjects();

        ASN1Sequence  funcSeq = (ASN1Sequence)e.nextElement();

        if (funcSeq.getObjectAt(0).equals(id_PBKDF2))
        {
            func = new PBKDF2Params(funcSeq);
        }
        else
        {
View Full Code Here

    public PBES2Parameters(
        ASN1Sequence  obj)
    {
        Enumeration e = obj.getObjects();
        ASN1Sequence  funcSeq = (ASN1Sequence)e.nextElement();

        if (funcSeq.getObjectAt(0).equals(id_PBKDF2))
        {
            func = new PBKDF2Params(funcSeq);
        }
        else
        {
View Full Code Here

        Enumeration e = seq.getObjects();

        id = (DERObjectIdentifier)e.nextElement();

        ASN1Sequence  params = (ASN1Sequence)e.nextElement();

        e = params.getObjects();

        octStr = (ASN1OctetString)e.nextElement();
        iterationCount = (DERInteger)e.nextElement();

        if (e.hasMoreElements())
View Full Code Here

        byte[]  encoding)
        throws IOException
    {
        ByteArrayInputStream    bIn = new ByteArrayInputStream(encoding);
        DERInputStream          dIn = new DERInputStream(bIn);
        ASN1Sequence            s = (ASN1Sequence)dIn.readObject();

        BigInteger[]            sig = new BigInteger[2];

        sig[0] = ((DERInteger)s.getObjectAt(0)).getValue();
        sig[1] = ((DERInteger)s.getObjectAt(1)).getValue();

        return sig;
    }
View Full Code Here

    private Certificate readDERCertificate(
        InputStream in)
        throws IOException
    {
        DERInputStream  dIn = new DERInputStream(in);
        ASN1Sequence    seq = (ASN1Sequence)dIn.readObject();

        if (seq.size() > 1
                && seq.getObjectAt(0) instanceof DERObjectIdentifier)
        {
            if (seq.getObjectAt(0).equals(PKCSObjectIdentifiers.signedData))
            {
                sData = new SignedData(ASN1Sequence.getInstance(
                                (ASN1TaggedObject)seq.getObjectAt(1), true));

                return new X509CertificateObject(
                            X509CertificateStructure.getInstance(
                                    sData.getCertificates().getObjectAt(sDataObjectCount++)));
            }
View Full Code Here

    private Certificate readPKCS7Certificate(
        InputStream  in)
        throws IOException
    {
        BERInputStream  dIn = new BERInputStream(in);
        ASN1Sequence seq = (ASN1Sequence)dIn.readObject();

    if (seq.size() > 1
        && seq.getObjectAt(0) instanceof DERObjectIdentifier)
    {
          if (seq.getObjectAt(0).equals(PKCSObjectIdentifiers.signedData))
          {
        sData = new SignedData(ASN1Sequence.getInstance(
                (ASN1TaggedObject)seq.getObjectAt(1), true));
 
        return new X509CertificateObject(
              X509CertificateStructure.getInstance(
                  sData.getCertificates().getObjectAt(sDataObjectCount++)));
          }
View Full Code Here

            {
                PKIXPolicyNode node = (PKIXPolicyNode)nodes_i.next();
                if (ANY_POLICY.equals(node.getValidPolicy()))
                {
                    Set pq = null;
                    ASN1Sequence policies = null;
                    try
                    {
                        policies = DERSequence.getInstance(getExtensionValue(cert, CERTIFICATE_POLICIES));
                    }
                    catch (Exception e)
                    {
                        throw new AnnotatedException("Certificate policies cannot be decoded.", e);
                    }
                    Enumeration e = policies.getObjects();
                    while (e.hasMoreElements())
                    {
                        PolicyInformation pinfo = null;

                        try
View Full Code Here

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