Package org.bouncycastle.sasn1

Examples of org.bouncycastle.sasn1.BerSequenceGenerator

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    {
        ASN1StreamParser in = new ASN1StreamParser(original, CMSUtils.getMaximumMemory());
        ContentInfoParser contentInfo = new ContentInfoParser((ASN1SequenceParser)in.readObject());
        SignedDataParser signedData = SignedDataParser.getInstance(contentInfo.getContent(DERTags.SEQUENCE));

        BERSequenceGenerator sGen = new BERSequenceGenerator(out);

        sGen.addObject(CMSObjectIdentifiers.signedData);

        BERSequenceGenerator sigGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);

        // version number
        sigGen.addObject(signedData.getVersion());

        // digests
        signedData.getDigestAlgorithms().getDERObject();  // skip old ones

        ASN1EncodableVector digestAlgs = new ASN1EncodableVector();

        for (Iterator it = signerInformationStore.getSigners().iterator(); it.hasNext();)
        {
            SignerInformation        signer = (SignerInformation)it.next();
            AlgorithmIdentifier     digAlgId;

            digAlgId = makeAlgId(signer.getDigestAlgOID(), signer.getDigestAlgParams());

            digestAlgs.add(digAlgId);
        }

        sigGen.getRawOutputStream().write(new DERSet(digestAlgs).getEncoded());

        // encap content info
        ContentInfoParser encapContentInfo = signedData.getEncapContentInfo();

        BERSequenceGenerator eiGen = new BERSequenceGenerator(sigGen.getRawOutputStream());

        eiGen.addObject(encapContentInfo.getContentType());

        ASN1OctetStringParser octs = (ASN1OctetStringParser)
            encapContentInfo.getContent(DERTags.OCTET_STRING);

        if (octs != null)
        {
            pipeOctetString(octs, eiGen.getRawOutputStream());
        }

        eiGen.close();


        writeSetToGeneratorTagged(sigGen, signedData.getCertificates(), 0);
        writeSetToGeneratorTagged(sigGen, signedData.getCrls(), 1);
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    {
        ASN1StreamParser in = new ASN1StreamParser(original, CMSUtils.getMaximumMemory());
        ContentInfoParser contentInfo = new ContentInfoParser((ASN1SequenceParser)in.readObject());
        SignedDataParser signedData = SignedDataParser.getInstance(contentInfo.getContent(DERTags.SEQUENCE));

        BERSequenceGenerator sGen = new BERSequenceGenerator(out);

        sGen.addObject(CMSObjectIdentifiers.signedData);

        BERSequenceGenerator sigGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);

        // version number
        sigGen.addObject(signedData.getVersion());

        // digests
        sigGen.getRawOutputStream().write(signedData.getDigestAlgorithms().getDERObject().getEncoded());

        // encap content info
        ContentInfoParser encapContentInfo = signedData.getEncapContentInfo();

        BERSequenceGenerator eiGen = new BERSequenceGenerator(sigGen.getRawOutputStream());

        eiGen.addObject(encapContentInfo.getContentType());

        ASN1OctetStringParser octs = (ASN1OctetStringParser)
            encapContentInfo.getContent(DERTags.OCTET_STRING);

        if (octs != null)
        {
            pipeOctetString(octs, eiGen.getRawOutputStream());
        }

        eiGen.close();

        //
        // skip existing certs and CRLs
        //
        getASN1Set(signedData.getCertificates());
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        OutputStream  out,       
        String        contentOID,
        String        compressionOID)
        throws IOException
    {
        BERSequenceGenerator sGen = new BERSequenceGenerator(out);
       
        sGen.addObject(CMSObjectIdentifiers.compressedData);
       
        //
        // Compressed Data
        //
        BERSequenceGenerator cGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);
       
        cGen.addObject(new DERInteger(0));
       
        //
        // AlgorithmIdentifier
        //
        DERSequenceGenerator algGen = new DERSequenceGenerator(cGen.getRawOutputStream());
       
        algGen.addObject(new DERObjectIdentifier(ZLIB));

        algGen.close();
       
        //
        // Encapsulated ContentInfo
        //
        BERSequenceGenerator eiGen = new BERSequenceGenerator(cGen.getRawOutputStream());
       
        eiGen.addObject(new DERObjectIdentifier(contentOID));
       
        BEROctetStringGenerator octGen = new BEROctetStringGenerator(eiGen.getRawOutputStream(), 0, true);
       
        return new CmsCompressedOutputStream(new DeflaterOutputStream(octGen.getOctetOutputStream()), sGen, cGen, eiGen);
    }
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        throws IOException
    {
        //
        // ContentInfo
        //
        BERSequenceGenerator sGen = new BERSequenceGenerator(out);
       
        sGen.addObject(CMSObjectIdentifiers.signedData);
       
        //
        // Signed Data
        //
        BERSequenceGenerator sigGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);
       
        sigGen.addObject(calculateVersion(signedContentType));
       
        ASN1EncodableVector  digestAlgs = new ASN1EncodableVector();
       
        //
        // add the precalculated SignerInfo digest algorithms.
        //
        for (Iterator it = _signers.iterator(); it.hasNext();)
        {
            SignerInformation        signer = (SignerInformation)it.next();
            AlgorithmIdentifier     digAlgId;

            digAlgId = makeAlgId(signer.getDigestAlgOID(), signer.getDigestAlgParams());

            digestAlgs.add(digAlgId);
        }
       
        //
        // add the new digests
        //
        for (Iterator it = _signerInfs.iterator(); it.hasNext();)
        {
            SignerInf           signer = (SignerInf)it.next();
            AlgorithmIdentifier digAlgId;

            digAlgId = makeAlgId(signer.getDigestAlgOID(), signer.getDigestAlgParams());

            digestAlgs.add(digAlgId);
        }
       
        sigGen.getRawOutputStream().write(new DERSet(digestAlgs).getEncoded());
       
        BERSequenceGenerator eiGen = new BERSequenceGenerator(sigGen.getRawOutputStream());
       
        eiGen.addObject(new DERObjectIdentifier(signedContentType));
       
        OutputStream digStream;
       
        if (encapsulate)
        {
            BEROctetStringGenerator octGen = new BEROctetStringGenerator(eiGen.getRawOutputStream(), 0, true);
           
            if (_bufferSize != 0)
            {
                digStream = octGen.getOctetOutputStream(new byte[_bufferSize]);
            }
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        try
        {
            //
            // ContentInfo
            //
            BERSequenceGenerator cGen = new BERSequenceGenerator(out);
           
            cGen.addObject(CMSObjectIdentifiers.envelopedData);
           
            //
            // Encrypted Data
            //
            BERSequenceGenerator envGen = new BERSequenceGenerator(cGen.getRawOutputStream(), 0, true);
           
            envGen.addObject(getVersion());

            if (_berEncodeRecipientSet)
            {
                envGen.getRawOutputStream().write(new BERSet(recipientInfos).getEncoded());
            }
            else
            {
                envGen.getRawOutputStream().write(new DERSet(recipientInfos).getEncoded());
            }

            Cipher cipher = CMSEnvelopedHelper.INSTANCE.getSymmetricCipher(encryptionOID, provider);
           
            cipher.init(Cipher.ENCRYPT_MODE, encKey, params, rand);

            BERSequenceGenerator eiGen = new BERSequenceGenerator(envGen.getRawOutputStream());
           
            eiGen.addObject(PKCSObjectIdentifiers.data);

            //
            // If params are null we try and second guess on them as some providers don't provide
            // algorithm parameter generation explicitly but instead generate them under the hood.
            //
            if (params == null)
            {
                params = cipher.getParameters();
            }

            AlgorithmIdentifier encAlgId = getAlgorithmIdentifier(encryptionOID, params);
                       
            eiGen.getRawOutputStream().write(encAlgId.getEncoded());
           
            BEROctetStringGenerator octGen = new BEROctetStringGenerator(eiGen.getRawOutputStream(), 0, false);
           
            CipherOutputStream      cOut;
           
            if (_bufferSize != 0)
            {
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        String oid,
        byte[] enc)
        throws IOException
    {
        ByteArrayInputStream     bIn = new ByteArrayInputStream(enc);
        Asn1InputStream          aIn = new Asn1InputStream(bIn);

        Asn1ObjectIdentifier      o = new Asn1ObjectIdentifier(oid);
        Asn1ObjectIdentifier      encO = (Asn1ObjectIdentifier)aIn.readObject();
       
        if (!o.equals(encO))
        {
            fail("oid ID didn't match - got: " + o + " expected " + encO);
        }
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        String  oid)
        throws IOException
    {
        Asn1ObjectIdentifier    o = new Asn1ObjectIdentifier(oid);
        ByteArrayInputStream    bIn = new ByteArrayInputStream(o.getEncoded());
        Asn1InputStream         aIn = new Asn1InputStream(bIn);
       
        o = (Asn1ObjectIdentifier)aIn.readObject();
       
        if (!o.toString().equals(oid))
        {
            fail("failed oid check for " + oid);
        }
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    }
   
    public void testDerReading()
        throws Exception
    {
        Asn1InputStream aIn = new Asn1InputStream(seqData);
       
        Asn1Sequence    seq = (Asn1Sequence)aIn.readObject();
        Object          o = null;
        int             count = 0;
       
        assertNotNull("null sequence returned", seq);
       
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    public void testNestedReading(
        byte[] data)
        throws Exception
    {
        Asn1InputStream aIn = new Asn1InputStream(data);
       
        Asn1Sequence    seq = (Asn1Sequence)aIn.readObject();
        Object          o = null;
        int             count = 0;
       
        assertNotNull("null sequence returned", seq);
       
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    }
   
    public void testBerReading()
        throws Exception
    {
        Asn1InputStream aIn = new Asn1InputStream(berSeqData);
       
        Asn1Sequence    seq = (Asn1Sequence)aIn.readObject();
        Object          o = null;
        int             count = 0;
       
        assertNotNull("null sequence returned", seq);
       
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Related Classes of org.bouncycastle.sasn1.BerSequenceGenerator

  • junit.framework.TestSuite
  • org.bouncycastle.asn1.ASN1InputStream
  • org.bouncycastle.asn1.DEROctetString
  • org.bouncycastle.cms.CMSCompressedDataStreamGenerator
  • org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator
  • org.bouncycastle.cms.CMSSignedDataParser
  • org.bouncycastle.cms.CMSSignedDataStreamGenerator
  • org.bouncycastle.sasn1.Asn1InputStream
  • org.bouncycastle.sasn1.Asn1Integer
  • org.bouncycastle.sasn1.Asn1Object
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