Examples with SignerInformationStore org.bouncycastle.cms.SignerInformationStore used on opensource projects

Example 6 with SignerInformationStore

use of org.bouncycastle.cms.SignerInformationStore 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++;
        }
    }
}

Example 7 with SignerInformationStore

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

the class CryptoExtensions method findSignerByCert.

/**
	 * Searches CMS signed data for a specific X509 certificate.
	 * @param signedData The signed data to search.
	 * @param name The certificate to search for in the signed data.
	 * @return A pair consisting of the singer's X509 certificated and signer information that matches the provided certificate.  Returns
	 * null if a signer matching the name cannot be found in the signed data.
	 */
public static SignerCertPair findSignerByCert(CMSSignedData signedData, X509Certificate searchCert) {
    if (searchCert == null) {
        throw new IllegalArgumentException();
    }
    try {
        SignerInformationStore signers = signedData.getSignerInfos();
        Collection<SignerInformation> c = signers.getSigners();
        for (SignerInformation signer : c) {
            //signer.getSID().
            SignerId signerId = signer.getSID();
            if (signerId.getIssuer().equals(searchCert.getIssuerX500Principal()) && signerId.getSerialNumber().equals(searchCert.getSerialNumber())) {
                return new SignerCertPair(signer, searchCert);
            }
        }
    } catch (Exception e) {
    }
    return null;
}

Example 8 with SignerInformationStore

use of org.bouncycastle.cms.SignerInformationStore in project athenz by yahoo.

the class Crypto method validatePKCS7Signature.

public static boolean validatePKCS7Signature(String data, String signature, PublicKey publicKey) {
    try {
        SignerInformationStore signerStore = null;
        try (InputStream sigIs = new ByteArrayInputStream(Base64.decode(signature.getBytes(StandardCharsets.UTF_8)))) {
            CMSProcessable content = new CMSProcessableByteArray(data.getBytes(StandardCharsets.UTF_8));
            CMSSignedData signedData = new CMSSignedData(content, sigIs);
            signerStore = signedData.getSignerInfos();
        }
        Collection<SignerInformation> signers = signerStore.getSigners();
        Iterator<SignerInformation> it = signers.iterator();
        SignerInformationVerifier infoVerifier = new JcaSimpleSignerInfoVerifierBuilder().setProvider(BC_PROVIDER).build(publicKey);
        while (it.hasNext()) {
            SignerInformation signerInfo = (SignerInformation) it.next();
            if (signerInfo.verify(infoVerifier)) {
                return true;
            }
        }
    } catch (CMSException ex) {
        LOG.error("validatePKCS7Signature: unable to initialize CMSSignedData object: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (OperatorCreationException ex) {
        LOG.error("validatePKCS7Signature: Caught OperatorCreationException when creating JcaSimpleSignerInfoVerifierBuilder: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (IOException ex) {
        LOG.error("validatePKCS7Signature: Caught IOException when closing InputStream: " + ex.getMessage());
        throw new CryptoException(ex);
    } catch (Exception ex) {
        LOG.error("validatePKCS7Signature: unable to validate signature: " + ex.getMessage());
        throw new CryptoException(ex.getMessage());
    }
    return false;
}