Examples of CMSSignedDataStreamGenerator

org.bouncycastle.cms.CMSSignedDataStreamGenerator

General class for generating a pkcs7-signature message stream.

A simple example of usage.

 CertStore                    certs... CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator(); gen.addSigner(privateKey, cert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC"); gen.addCertificatesAndCRLs(certs); OutputStream sigOut = gen.open(bOut); sigOut.write("Hello World!".getBytes()); sigOut.close();

Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

     * @throws Exception
     */
    public static void sign(final InputStream is, OutputStream os, PrivateKey key, String providerName, X509Certificate cert) throws Exception {
        final InputStream bis = new BufferedInputStream(is, bufferSize);
        final OutputStream bos = new BufferedOutputStream(os, bufferSize);
        final CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
        final String digest = CMSSignedGenerator.DIGEST_SHA256;
        if ( cert!=null ) {
            gen.addSigner(key, cert, digest, providerName);
        } else {
            gen.addSigner(key, "hej".getBytes(), digest, providerName);
        }
        final OutputStream out = gen.open(bos, true);
        fromInToOut(bis, out);
        bos.close();
        os.close();
    }

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        }
        
        protected CMSSignedDataStreamGenerator getGenerator()
            throws CMSException, CertStoreException, InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException
        {
            CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
            
            for (Iterator it = _certStores.iterator(); it.hasNext();)
            {
                gen.addCertificatesAndCRLs((CertStore)it.next());
            }


            for (Iterator it = _attributeCerts.iterator(); it.hasNext();)
            {
                gen.addAttributeCertificates((X509Store)it.next());
            }


            for (Iterator it = _signers.iterator(); it.hasNext();)
            {
                Signer signer = (Signer)it.next();
                
                gen.addSigner(signer.getKey(), signer.getCert(), signer.getDigestOID(), signer.getSignedAttr(), signer.getUnsignedAttr(), _provider);
            }


            gen.addSigners(new SignerInformationStore(_oldSigners));
            
            return gen;
        }

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        public void write(OutputStream out)
            throws IOException
        {
            try
            {
                CMSSignedDataStreamGenerator gen = getGenerator();
                
                OutputStream signingStream = gen.open(out, _encapsulate);
                
                if (_content != null)
                {
                    if (!_encapsulate)
                    {
                        writeBodyPart(signingStream, _content);
                    }
                    else
                    {
                        _content.writeTo(signingStream);
                    }
                }
                
                signingStream.close();


                _digests = gen.getGeneratedDigests();
            }
            catch (MessagingException e)
            {
                throw new IOException(e.toString());
            }

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        certList.add(keyCert);


        CertStore           certsAndCrls = CertStore.getInstance("Collection",
                        new CollectionCertStoreParameters(certList), "SUN");


        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();


        gen.addSigner(keyPair.getPrivate(), keyCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "SunRsaSign");


        gen.addCertificatesAndCRLs(certsAndCrls);


        OutputStream sigOut = gen.open(bOut);


        sigOut.write(TEST_MESSAGE.getBytes());


        sigOut.close();

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        certList.add(_origCrl);


        CertStore           certsAndCrls = CertStore.getInstance("Collection",
                        new CollectionCertStoreParameters(certList), "BC");
    
        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
    
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");
    
        gen.addCertificatesAndCRLs(certsAndCrls);
    
        OutputStream sigOut = gen.open(bOut);
    
        sigOut.write(TEST_MESSAGE.getBytes());
        
        sigOut.close();
        
        CMSSignedDataParser     sp = new CMSSignedDataParser(
                new CMSTypedStream(new ByteArrayInputStream(TEST_MESSAGE.getBytes())), bOut.toByteArray());
    
        sp.getSignedContent().drain();
        
        //
        // compute expected content digest
        //
        MessageDigest md = MessageDigest.getInstance("SHA1", "BC");
        
        verifySignatures(sp, md.digest(TEST_MESSAGE.getBytes()));
        
        //
        // try using existing signer
        //
        gen = new CMSSignedDataStreamGenerator();
    
        gen.addSigners(sp.getSignerInfos());
        
        gen.addCertificatesAndCRLs(sp.getCertificatesAndCRLs("Collection", "BC"));
        
        bOut.reset();
        
        sigOut = gen.open(bOut, true);
    
        sigOut.write(TEST_MESSAGE.getBytes());
        
        sigOut.close();

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        certList.add(_origCrl);


        CertStore           certsAndCrls = CertStore.getInstance("Collection",
                                                       new CollectionCertStoreParameters(certList), "BC");


        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();


        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");


        gen.addCertificatesAndCRLs(certsAndCrls);


        OutputStream sigOut = gen.open(bOut, "1.2.3.4", true);


        sigOut.write(TEST_MESSAGE.getBytes());


        sigOut.close();

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        certList.add(_signCert);
    
        CertStore           certs = CertStore.getInstance("Collection",
                        new CollectionCertStoreParameters(certList), "BC");
    
        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
    
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_MD5, "BC");
        
        gen.addCertificatesAndCRLs(certs);
    
        OutputStream sigOut = gen.open(bOut);
    
        sigOut.write(TEST_MESSAGE.getBytes());
        
        sigOut.close();

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

                               new CollectionCertStoreParameters(certList), "BC");


        //
        // find unbuffered length
        //
        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();


        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");


        gen.addCertificatesAndCRLs(certs);


        OutputStream sigOut = gen.open(bOut, true);
        
        for (int i = 0; i != 2000; i++)
        {
            sigOut.write(i & 0xff);
        }
        
        sigOut.close();
        
        CMSSignedDataParser     sp = new CMSSignedDataParser(bOut.toByteArray());


        sp.getSignedContent().drain();
        
        verifySignatures(sp);
        
        int unbufferedLength = bOut.toByteArray().length;
        
        //
        // find buffered length with buffered stream - should be equal
        //
        bOut = new ByteArrayOutputStream();


        gen = new CMSSignedDataStreamGenerator();
        
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");


        gen.addCertificatesAndCRLs(certs);


        sigOut = gen.open(bOut, true);


        BufferedOutputStream bfOut = new BufferedOutputStream(sigOut, 300);
        
        for (int i = 0; i != 2000; i++)
        {

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

                               new CollectionCertStoreParameters(certList), "BC");
    
        //
        // find unbuffered length
        //
        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
    
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");
    
        gen.addCertificatesAndCRLs(certs);
    
        OutputStream sigOut = gen.open(bOut, true);
        
        for (int i = 0; i != 2000; i++)
        {
            sigOut.write(i & 0xff);
        }
        
        sigOut.close();
        
        CMSSignedDataParser     sp = new CMSSignedDataParser(bOut.toByteArray());
    
        sp.getSignedContent().drain();
        
        verifySignatures(sp);
        
        int unbufferedLength = bOut.toByteArray().length;
        
        //
        // find buffered length - buffer size less than default
        //
        bOut = new ByteArrayOutputStream();
    
        gen = new CMSSignedDataStreamGenerator();
        
        gen.setBufferSize(300);
        
        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");
    
        gen.addCertificatesAndCRLs(certs);
    
        sigOut = gen.open(bOut, true);
    
        for (int i = 0; i != 2000; i++)
        {
            sigOut.write(i & 0xff);
        }

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Examples of org.bouncycastle.cms.CMSSignedDataStreamGenerator

        certList.add(_signCert);


        CertStore           certs = CertStore.getInstance("Collection",
                        new CollectionCertStoreParameters(certList), "BC");


        CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();


        gen.addSigner(_origKP.getPrivate(), _origCert, CMSSignedDataStreamGenerator.DIGEST_SHA1, "BC");


        gen.addCertificatesAndCRLs(certs);


        OutputStream sigOut = gen.open(bOut, true);


        sigOut.write(TEST_MESSAGE.getBytes());
        
        sigOut.close();
        
        CMSSignedDataParser     sp = new CMSSignedDataParser(bOut.toByteArray());


        sp.getSignedContent().drain();
        
        verifySignatures(sp);
        
        byte[] contentDigest = (byte[])gen.getGeneratedDigests().get(CMSSignedGenerator.DIGEST_SHA1);


        AttributeTable table = ((SignerInformation)sp.getSignerInfos().getSigners().iterator().next()).getSignedAttributes();
        Attribute hash = table.get(CMSAttributes.messageDigest);


        assertTrue(MessageDigest.isEqual(contentDigest, ((ASN1OctetString)hash.getAttrValues().getObjectAt(0)).getOctets()));


        //
        // try using existing signer
        //
        gen = new CMSSignedDataStreamGenerator();


        gen.addSigners(sp.getSignerInfos());
        
        gen.addCertificatesAndCRLs(sp.getCertificatesAndCRLs("Collection", "BC"));
        
        bOut.reset();
        
        sigOut = gen.open(bOut, true);


        sigOut.write(TEST_MESSAGE.getBytes());
        
        sigOut.close();

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