Package org.bouncycastle.asn1

Examples of org.bouncycastle.asn1.DERSequenceGenerator


                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

         */
        public X509Name(ASN1Sequence seq) {
            Enumeration e = seq.getObjects();
           
            while (e.hasMoreElements()) {
                ASN1Set set = (ASN1Set)e.nextElement();
               
                for (int i = 0; i < set.size(); i++) {
                    ASN1Sequence s = (ASN1Sequence)set.getObjectAt(i);
                    String id = (String)DefaultSymbols.get(s.getObjectAt(0));
                    if (id == null)
                        continue;
                    ArrayList vs = (ArrayList)values.get(id);
                    if (vs == null) {
View Full Code Here

            // 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)
                    throw new IllegalArgumentException("Authenticated attribute is missing the digest.");
View Full Code Here

                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) {
View Full Code Here

    {
        Enumeration     e = seq.getObjects();

        while (e.hasMoreElements())
        {
            ASN1TaggedObject o = DERTaggedObject.getInstance(e.nextElement());

            switch (o.getTagNo())
            {
            case 0:
                this.keyidentifier = ASN1OctetString.getInstance(o, false);
                break;
            case 1:
View Full Code Here

                                        ecP.getN(),
                                        ecP.getH(),
                                        ecP.getSeed());
        }

        DERBitString    bits = info.getPublicKeyData();
        byte[]          data = bits.getBytes();
    ASN1OctetString  key = new DEROctetString(data);

        //
        // extra octet string - one of our old certs...
        //
View Full Code Here

    {
  super("X.509");
  try {
      if ( encoding.equals( "PkiPath" ) )
      {
    DERInputStream derInStream = new DERInputStream(inStream);
    DERObject derObject = derInStream.readObject();
    if ( derObject == null || ! ( derObject instanceof ASN1Sequence ) )
    {
        throw new CertificateException("input stream does not contain a ASN1 SEQUENCE while reading PkiPath encoded data to load CertPath" );
    }
    Enumeration enumx = ((ASN1Sequence)derObject).getObjects();
View Full Code Here

    private DERObject getEncodedX509Certificate( X509Certificate cert )
  throws CertificateEncodingException
    {
  try {
      ByteArrayInputStream inStream = new ByteArrayInputStream( cert.getEncoded() );
      DERInputStream derInStream = new DERInputStream( inStream );
      return derInStream.readObject();
  } catch ( IOException ex ) {
      throw new CertificateEncodingException( "IOException caught while encoding certificate\n" + ex.toString() );
  }
    }
View Full Code Here

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