Examples with SignedData org.bouncycastle.asn1.cms.SignedData used on opensource projects

Example 16 with SignedData

use of org.bouncycastle.asn1.cms.SignedData in project nhin-d by DirectProject.

the class SplitProviderDirectSignedDataGenerator method generate.

/**
	 * {@inheritDoc}
	 */
@Override
public CMSSignedData generate(String signedContentType, CMSProcessable content, boolean encapsulate, String sigProvider, boolean addDefaultAttributes) throws NoSuchAlgorithmException, NoSuchProviderException, CMSException {
    final ASN1EncodableVector digestAlgs = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfos = new ASN1EncodableVector();
    // clear the current preserved digest state
    _digests.clear();
    //
    // add the SignerInfo objects
    //
    DERObjectIdentifier contentTypeOID;
    boolean isCounterSignature;
    if (signedContentType != null) {
        contentTypeOID = new DERObjectIdentifier(signedContentType);
        isCounterSignature = false;
    } else {
        contentTypeOID = CMSObjectIdentifiers.data;
        isCounterSignature = true;
    }
    for (DirectTargetedSignerInf signer : privateSigners) {
        AlgorithmIdentifier digAlgId;
        try {
            digAlgId = new AlgorithmIdentifier(new DERObjectIdentifier(signer.digestOID), new DERNull());
            digestAlgs.add(digAlgId);
            try {
                signerInfos.add(signer.toSignerInfo(contentTypeOID, content, rand, sigProvider, digestProvider, addDefaultAttributes, isCounterSignature));
            } catch (ClassCastException e) {
                // try again with the digest provider... the key may need to use a different provider than the sig provider
                signerInfos.add(signer.toSignerInfo(contentTypeOID, content, rand, digestProvider, digestProvider, addDefaultAttributes, isCounterSignature));
            }
        } catch (IOException e) {
            throw new CMSException("encoding error.", e);
        } catch (InvalidKeyException e) {
            throw new CMSException("key inappropriate for signature.", e);
        } catch (SignatureException e) {
            throw new CMSException("error creating signature.", e);
        } catch (CertificateEncodingException e) {
            throw new CMSException("error creating sid.", e);
        }
    }
    ASN1Set certificates = null;
    if (_certs.size() != 0) {
        certificates = createBerSetFromList(_certs);
    }
    ASN1Set certrevlist = null;
    if (_crls.size() != 0) {
        certrevlist = createBerSetFromList(_crls);
    }
    ContentInfo encInfo;
    if (encapsulate) {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        try {
            content.write(bOut);
        } catch (IOException e) {
            throw new CMSException("encapsulation error.", e);
        }
        ASN1OctetString octs = new BERConstructedOctetString(bOut.toByteArray());
        encInfo = new ContentInfo(contentTypeOID, octs);
    } else {
        encInfo = new ContentInfo(contentTypeOID, null);
    }
    SignedData sd = new SignedData(new DERSet(digestAlgs), encInfo, certificates, certrevlist, new DERSet(signerInfos));
    ContentInfo contentInfo = new ContentInfo(PKCSObjectIdentifiers.signedData, sd);
    return new CMSSignedData(content, contentInfo);
}

Example 17 with SignedData

use of org.bouncycastle.asn1.cms.SignedData in project nhin-d by DirectProject.

the class SigTest method testCreateVerifySig.

public void testCreateVerifySig() throws Exception {
    X509CertificateEx internalCert = TestUtils.getInternalCert("user1");
    X509Certificate caCert = TestUtils.getExternalCert("cacert");
    String testMessage = TestUtils.readResource("MultipartMimeMessage.txt");
    MimeMessage entity = EntitySerializer.Default.deserialize(testMessage);
    Message message = new Message(entity);
    MimeEntity entityToSig = message.extractEntityForSignature(true);
    // Serialize message out as ASCII encoded...
    byte[] messageBytes = EntitySerializer.Default.serializeToBytes(entityToSig);
    MimeBodyPart partToSign = null;
    try {
        partToSign = new MimeBodyPart(new ByteArrayInputStream(messageBytes));
    } catch (Exception e) {
    }
    SMIMESignedGenerator gen = new SMIMESignedGenerator();
    ASN1EncodableVector signedAttrs = new ASN1EncodableVector();
    SMIMECapabilityVector caps = new SMIMECapabilityVector();
    caps.addCapability(SMIMECapability.dES_EDE3_CBC);
    caps.addCapability(SMIMECapability.rC2_CBC, 128);
    caps.addCapability(SMIMECapability.dES_CBC);
    caps.addCapability(new DERObjectIdentifier("1.2.840.113549.1.7.1"));
    caps.addCapability(PKCSObjectIdentifiers.x509Certificate);
    signedAttrs.add(new SMIMECapabilitiesAttribute(caps));
    List certList = new ArrayList();
    gen.addSigner(internalCert.getPrivateKey(), internalCert, SMIMESignedGenerator.DIGEST_SHA1, new AttributeTable(signedAttrs), null);
    //SMIMESignedGenerator.DIGEST_SHA1, null, null);
    certList.add(internalCert);
    MimeMultipart retVal = null;
    CertStore certsAndcrls = CertStore.getInstance("Collection", new CollectionCertStoreParameters(certList), CryptoExtensions.getJCEProviderName());
    gen.addCertificatesAndCRLs(certsAndcrls);
    _certStores.add(certsAndcrls);
    _signers.add(new Signer(internalCert.getPrivateKey(), internalCert, SMIMESignedGenerator.DIGEST_SHA1, new AttributeTable(signedAttrs), null));
    retVal = generate(partToSign, CryptoExtensions.getJCEProviderName());
    for (int i = 0; i < 10; ++i) {
        ByteArrayOutputStream oStream = new ByteArrayOutputStream();
        retVal.writeTo(oStream);
        oStream.flush();
        byte[] serialzedBytes = oStream.toByteArray();
        //System.out.println(new String(serialzedBytes, "ASCII") + "\r\n\r\n\r\n\r\n\r\n");
        ByteArrayDataSource dataSource = new ByteArrayDataSource(serialzedBytes, retVal.getContentType());
        MimeMultipart verifyMM = new MimeMultipart(dataSource);
        CMSSignedData signed = null;
        //CMSSignedData signeddata = new CMSSignedData(new CMSProcessableBodyPartInbound(verifyMM.getBodyPart(0)), verifyMM.getBodyPart(1).getInputStream());			
        CMSSignedData signeddata = new CMSSignedData(new CMSProcessableBodyPartInbound(partToSign), verifyMM.getBodyPart(1).getInputStream());
        int verified = 0;
        CertStore certs = signeddata.getCertificatesAndCRLs("Collection", CryptoExtensions.getJCEProviderName());
        SignerInformationStore signers = signeddata.getSignerInfos();
        Collection c = signers.getSigners();
        Iterator it = c.iterator();
        while (it.hasNext()) {
            SignerInformation signer = (SignerInformation) it.next();
            Collection certCollection = certs.getCertificates(signer.getSID());
            Attribute dig = signer.getSignedAttributes().get(CMSAttributes.messageDigest);
            DERObject hashObj = dig.getAttrValues().getObjectAt(0).getDERObject();
            byte[] signedHash = ((ASN1OctetString) hashObj).getOctets();
            System.out.print("value of signedHash: \r\n\tvalue: ");
            for (byte bt : signedHash) {
                System.out.print(bt + " ");
            }
            System.out.println();
            Iterator certIt = certCollection.iterator();
            try {
                assertTrue(signer.verify(internalCert, CryptoExtensions.getJCEProviderName()));
            } catch (Exception e) {
                e.printStackTrace();
            }
            byte[] bytes = signer.getContentDigest();
            /*
	    		  X509Certificate cert = (X509Certificate)certIt.next();
	    		  
    		      if (signer.verify(cert.getPublicKey()))
    		      {
    		          verified++;
    		      }
	    		  */
            verified++;
        }
    }
}