Ejemplo n.º 1
0
  public void testSHA1WithRSAStream() throws Exception {
    List certList = new ArrayList();
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();

    certList.add(new X509CertificateHolder(keyCert.getEncoded()));

    DigestCalculatorProvider digCalcProv = new JcaDigestCalculatorProviderBuilder().build();

    CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();

    gen.addSignerInfoGenerator(
        new JcaSignerInfoGeneratorBuilder(digCalcProv)
            .build(
                new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate()), keyCert));

    gen.addCertificates(new CollectionStore(certList));

    OutputStream sigOut = gen.open(bOut);

    sigOut.write(TEST_MESSAGE.getBytes());

    sigOut.close();

    CMSSignedDataParser sp =
        new CMSSignedDataParser(
            digCalcProv,
            new CMSTypedStream(new ByteArrayInputStream(TEST_MESSAGE.getBytes())),
            bOut.toByteArray());

    sp.getSignedContent().drain();

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

    byte[] contentDigest = md.digest(TEST_MESSAGE.getBytes());
    Store certStore = sp.getCertificates();
    SignerInformationStore signers = sp.getSignerInfos();

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

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

      Iterator certIt = certCollection.iterator();
      X509CertificateHolder cert = (X509CertificateHolder) certIt.next();

      assertEquals(true, signer.verify(new JcaSimpleSignerInfoVerifierBuilder().build(cert)));

      if (contentDigest != null) {
        assertTrue(MessageDigest.isEqual(contentDigest, signer.getContentDigest()));
      }
    }
  }
Ejemplo n.º 2
0
  public void testSHA1WithRSAEncapsulated() throws Exception {
    List certList = new ArrayList();
    CMSTypedData msg = new CMSProcessableByteArray(TEST_MESSAGE.getBytes());

    certList.add(new X509CertificateHolder(keyCert.getEncoded()));

    DigestCalculatorProvider digCalcProv = new JcaDigestCalculatorProviderBuilder().build();

    CMSSignedDataGenerator gen = new CMSSignedDataGenerator();

    gen.addSignerInfoGenerator(
        new JcaSignerInfoGeneratorBuilder(digCalcProv)
            .build(
                new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate()), keyCert));

    gen.addCertificates(new CollectionStore(certList));

    CMSSignedData s = gen.generate(msg, true);

    ByteArrayInputStream bIn = new ByteArrayInputStream(s.getEncoded());
    ASN1InputStream aIn = new ASN1InputStream(bIn);

    s = new CMSSignedData(ContentInfo.getInstance(aIn.readObject()));

    Store certsAndCrls = s.getCertificates();

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

    while (it.hasNext()) {
      SignerInformation signer = (SignerInformation) it.next();
      Collection certCollection = certsAndCrls.getMatches(signer.getSID());
      Iterator certIt = certCollection.iterator();
      X509CertificateHolder cert = (X509CertificateHolder) certIt.next();

      assertEquals(true, signer.verify(new JcaSimpleSignerInfoVerifierBuilder().build(cert)));
    }
  }