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MiscDataStreamTest.javaAPI DocBouncy Castle Crypto API 1.41 (Java 1.5)7751Wed Oct 01 10:56:10 BST 2008org.bouncycastle.cms.test

MiscDataStreamTest

public class MiscDataStreamTest extends TestCase

Fields Summary
private static final String
TEST_MESSAGE
private static String
_signDN
private static KeyPair
_signKP
private static X509Certificate
_signCert
private static String
_origDN
private static KeyPair
_origKP
private static X509Certificate
_origCert
private static String
_reciDN
private static KeyPair
_reciKP
private static X509Certificate
_reciCert
private static KeyPair
_origDsaKP
private static X509Certificate
_origDsaCert
private static X509CRL
_signCrl
private static X509CRL
_origCrl
private static boolean
_initialised
Constructors Summary
public MiscDataStreamTest(String name)


      
    
        super(name);
Methods Summary
private voidcheckSigParseable(byte[] sig)

        CMSSignedDataParser sp = new CMSSignedDataParser(sig);
        sp.getVersion();
        CMSTypedStream sc = sp.getSignedContent();
        if (sc != null)
        {
            sc.drain();
        }
        sp.getCertificatesAndCRLs("Collection", "BC");
        sp.getSignerInfos();
        sp.close();
private static voidinit()

        if (!_initialised)
        {
            _initialised = true;

            _signDN   = "O=Bouncy Castle, C=AU";
            _signKP   = CMSTestUtil.makeKeyPair();
            _signCert = CMSTestUtil.makeCertificate(_signKP, _signDN, _signKP, _signDN);

            _origDN   = "CN=Bob, OU=Sales, O=Bouncy Castle, C=AU";
            _origKP   = CMSTestUtil.makeKeyPair();
            _origCert = CMSTestUtil.makeCertificate(_origKP, _origDN, _signKP, _signDN);

            _origDsaKP   = CMSTestUtil.makeDsaKeyPair();
            _origDsaCert = CMSTestUtil.makeCertificate(_origDsaKP, _origDN, _signKP, _signDN);

            _reciDN   = "CN=Doug, OU=Sales, O=Bouncy Castle, C=AU";
            _reciKP   = CMSTestUtil.makeKeyPair();
            _reciCert = CMSTestUtil.makeCertificate(_reciKP, _reciDN, _signKP, _signDN);

            _signCrl  = CMSTestUtil.makeCrl(_signKP);
            _origCrl  = CMSTestUtil.makeCrl(_origKP);
        }
public static junit.framework.Testsuite()

        init();

        return new CMSTestSetup(new TestSuite(MiscDataStreamTest.class));
public voidtestSHA1WithRSA()

        List                  certList = new ArrayList();
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();

        certList.add(_origCert);
        certList.add(_signCert);

        certList.add(_signCrl);
        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);

        CMSCompressedDataStreamGenerator cGen = new CMSCompressedDataStreamGenerator();

        OutputStream cOut = cGen.open(sigOut, CMSCompressedDataStreamGenerator.ZLIB);

        cOut.write(TEST_MESSAGE.getBytes());

        cOut.close();

        sigOut.close();

        checkSigParseable(bOut.toByteArray());

        // generate compressed stream
        ByteArrayOutputStream cDataOut = new ByteArrayOutputStream();
        
        cOut = cGen.open(cDataOut, CMSCompressedDataStreamGenerator.ZLIB);

        cOut.write(TEST_MESSAGE.getBytes());

        cOut.close();

        CMSSignedDataParser     sp = new CMSSignedDataParser(
                new CMSTypedStream(new ByteArrayInputStream(cDataOut.toByteArray())), bOut.toByteArray());

        sp.getSignedContent().drain();

        //
        // compute expected content digest
        //
        MessageDigest md = MessageDigest.getInstance("SHA1", "BC");

        verifySignatures(sp, md.digest(cDataOut.toByteArray()));
private voidverifyEncodedData(java.io.ByteArrayOutputStream bOut)

        CMSSignedDataParser sp;
        sp = new CMSSignedDataParser(bOut.toByteArray());

        sp.getSignedContent().drain();

        verifySignatures(sp);

        sp.close();
private voidverifySignatures(org.bouncycastle.cms.CMSSignedDataParser sp, byte[] contentDigest)

        CertStore               certStore = sp.getCertificatesAndCRLs("Collection", "BC");
        SignerInformationStore  signers = sp.getSignerInfos();

        Collection              c = signers.getSigners();
        Iterator                it = c.iterator();

        while (it.hasNext())
        {
            SignerInformation   signer = (SignerInformation)it.next();
            Collection          certCollection = certStore.getCertificates(signer.getSID());

            Iterator        certIt = certCollection.iterator();
            X509Certificate cert = (X509Certificate)certIt.next();

            assertEquals(true, signer.verify(cert, "BC"));

            if (contentDigest != null)
            {
                assertTrue(MessageDigest.isEqual(contentDigest, signer.getContentDigest()));
            }
        }

        Collection certColl = certStore.getCertificates(null);
        Collection crlColl = certStore.getCRLs(null);

        assertEquals(certColl.size(), sp.getCertificates("Collection", "BC").getMatches(null).size());
        assertEquals(crlColl.size(), sp.getCRLs("Collection", "BC").getMatches(null).size());
private voidverifySignatures(org.bouncycastle.cms.CMSSignedDataParser sp)

        verifySignatures(sp, null);