Example usage for org.bouncycastle.cms CMSSignedData CMSSignedData

Introduction

In this page you can find the example usage for org.bouncycastle.cms CMSSignedData CMSSignedData.

Prototype

public CMSSignedData(ContentInfo sigData) throws CMSException 

Source Link

Usage

From source file:be.e_contract.mycarenet.certra.CertRAClient.java

License:Open Source License

private byte[] getCmsData(byte[] cms) throws Exception {
    CMSSignedData cmsSignedData = new CMSSignedData(cms);
    SignerInformationStore signers = cmsSignedData.getSignerInfos();
    SignerInformation signer = (SignerInformation) signers.getSigners().iterator().next();
    SignerId signerId = signer.getSID();

    Store certificateStore = cmsSignedData.getCertificates();
    Collection<X509CertificateHolder> certificateCollection = certificateStore.getMatches(signerId);

    X509CertificateHolder certificateHolder = certificateCollection.iterator().next();
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    X509Certificate certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(certificateHolder.getEncoded()));
    // we trust SSL here, no need for explicit verification of CMS signing
    // certificate

    LOG.debug("CMS signing certificate subject: " + certificate.getSubjectX500Principal());

    SignerInformationVerifier signerInformationVerifier = new JcaSimpleSignerInfoVerifierBuilder()
            .build(certificate);/*from   w  w w .  ja  v a  2  s . c o  m*/
    boolean signatureResult = signer.verify(signerInformationVerifier);
    if (false == signatureResult) {
        throw new SecurityException("woops");
    }

    CMSTypedData signedContent = cmsSignedData.getSignedContent();
    byte[] responseData = (byte[]) signedContent.getContent();

    return responseData;
}

---

From source file:be.e_contract.mycarenet.etee.EncryptionToken.java

License:Open Source License

private X509Certificate parseEncryptionCertificate(byte[] encodedEncryptionToken)
        throws CMSException, CertificateException, IOException, OperatorCreationException {
    CMSSignedData cmsSignedData = new CMSSignedData(encodedEncryptionToken);

    // get signer identifier
    SignerInformationStore signers = cmsSignedData.getSignerInfos();
    SignerInformation signer = (SignerInformation) signers.getSigners().iterator().next();
    SignerId signerId = signer.getSID();

    // get signer certificate
    Store certificateStore = cmsSignedData.getCertificates();
    LOG.debug("certificate store type: " + certificateStore.getClass().getName());
    @SuppressWarnings("unchecked")
    Collection<X509CertificateHolder> signingCertificateCollection = certificateStore.getMatches(signerId);
    X509CertificateHolder signingCertificateHolder = signingCertificateCollection.iterator().next();
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    X509Certificate signingCertificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(signingCertificateHolder.getEncoded()));
    LOG.debug("signing certificate: " + signingCertificate.getSubjectX500Principal());

    // verify CMS signature
    SignerInformationVerifier signerInformationVerifier = new JcaSimpleSignerInfoVerifierBuilder()
            .build(signingCertificate);/*  ww  w  .  j  a  v  a  2s  .  co m*/
    boolean signatureResult = signer.verify(signerInformationVerifier);
    if (false == signatureResult) {
        throw new SecurityException("ETK signature invalid");
    }

    // get encryption certificate
    CMSTypedData signedContent = cmsSignedData.getSignedContent();
    byte[] data = (byte[]) signedContent.getContent();
    X509Certificate encryptionCertificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(data));

    LOG.debug("all available certificates:");
    logCertificates(certificateStore, null);

    // get authentication certificate
    CustomSelector authenticationSelector = new CustomSelector();
    authenticationSelector.setSubject(encryptionCertificate.getIssuerX500Principal());
    @SuppressWarnings("unchecked")
    Collection<X509CertificateHolder> authenticationCertificates = certificateStore
            .getMatches(authenticationSelector);
    if (authenticationCertificates.size() != 1) {
        LOG.debug("no authentication certificate match");
    }
    X509CertificateHolder authenticationCertificateHolder = authenticationCertificates.iterator().next();
    this.authenticationCertificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(authenticationCertificateHolder.getEncoded()));

    verifyProxyCertificate(encryptionCertificate, this.authenticationCertificate);

    return encryptionCertificate;
}

---

From source file:be.e_contract.mycarenet.etee.Unsealer.java

License:Open Source License

private byte[] getVerifiedContent(byte[] cmsData)
        throws CertificateException, CMSException, IOException, OperatorCreationException {
    CMSSignedData cmsSignedData = new CMSSignedData(cmsData);
    SignerInformationStore signers = cmsSignedData.getSignerInfos();
    SignerInformation signer = (SignerInformation) signers.getSigners().iterator().next();
    SignerId signerId = signer.getSID();

    Store certificateStore = cmsSignedData.getCertificates();
    @SuppressWarnings("unchecked")
    Collection<X509CertificateHolder> certificateCollection = certificateStore.getMatches(signerId);
    if (null == this.senderCertificate) {
        if (certificateCollection.isEmpty()) {
            throw new SecurityException("no sender certificate present");
        }/* www . jav  a 2s  .co m*/
        X509CertificateHolder certificateHolder = certificateCollection.iterator().next();
        CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
        X509Certificate certificate = (X509Certificate) certificateFactory
                .generateCertificate(new ByteArrayInputStream(certificateHolder.getEncoded()));

        this.senderCertificate = certificate;
        LOG.debug("signer certificate subject: " + certificate.getSubjectX500Principal());
    }

    /*
     * By reusing the sender certificate we have the guarantee that the
     * outer signature and inner signature share the same origin.
     */
    SignerInformationVerifier signerInformationVerifier = new JcaSimpleSignerInfoVerifierBuilder()
            .build(this.senderCertificate);
    boolean signatureResult = signer.verify(signerInformationVerifier);
    if (false == signatureResult) {
        throw new SecurityException("woops");
    }

    CMSTypedData signedContent = cmsSignedData.getSignedContent();
    byte[] data = (byte[]) signedContent.getContent();
    return data;
}

---

From source file:be.fedict.eid.dss.spi.utils.XAdESUtils.java

License:Open Source License

/**
 * Gives back all time-stamp tokens embedded within the given XAdES
 * time-stamp container./*from  w  w  w . j ava2s. c  o m*/
 * 
 * @param xadesTimeStamp
 * @return
 * @throws XAdESValidationException
 */
public static List<TimeStampToken> getTimeStampTokens(XAdESTimeStampType xadesTimeStamp)
        throws XAdESValidationException {

    try {
        List<TimeStampToken> timeStampTokens = new LinkedList<TimeStampToken>();
        for (Object timeStampTokenObject : xadesTimeStamp.getEncapsulatedTimeStampOrXMLTimeStamp()) {

            if (timeStampTokenObject instanceof EncapsulatedPKIDataType) {

                EncapsulatedPKIDataType encapsulatedTimeStampToken = (EncapsulatedPKIDataType) timeStampTokenObject;
                byte[] encodedTimestampToken = encapsulatedTimeStampToken.getValue();
                timeStampTokens.add(new TimeStampToken(new CMSSignedData(encodedTimestampToken)));

            } else {
                throw new XAdESValidationException(
                        "Timestamp token of type: " + timeStampTokenObject.getClass() + " not supported.");
            }
        }

        return timeStampTokens;
    } catch (Exception e) {
        throw new XAdESValidationException(e);
    }
}

---

From source file:be.fedict.trust.service.bean.TrustServiceBean.java

License:Open Source License

@TransactionAttribute(TransactionAttributeType.REQUIRED)
@SNMP(oid = SnmpConstants.VALIDATE_TSA)/*w  w w  .  j  a v  a2  s.co m*/
public ValidationResult validateTimestamp(String trustDomainName, byte[] encodedTimestampToken,
        boolean returnRevocationData) throws TSPException, IOException, CMSException, NoSuchAlgorithmException,
        NoSuchProviderException, CertStoreException, TrustDomainNotFoundException {

    LOG.debug("validate timestamp token");

    /*
     * Parse embedded certificate chain
     */
    List<X509Certificate> certificateChain = new LinkedList<X509Certificate>();
    TimeStampToken timestampToken = new TimeStampToken(new CMSSignedData(encodedTimestampToken));
    CertStore certStore = timestampToken.getCertificatesAndCRLs("Collection", "BC");
    Collection<? extends Certificate> certificates = certStore.getCertificates(null);
    for (Certificate certificate : certificates) {
        certificateChain.add((X509Certificate) certificate);
    }

    if (TrustValidator.isSelfSigned(certificateChain.get(0))) {
        Collections.reverse(certificateChain);
    }

    /*
     * Validate
     */
    TrustLinkerResult lastResult = null;
    RevocationData lastRevocationData = null;
    for (TrustDomainEntity trustDomain : getTrustDomains(trustDomainName)) {

        TrustValidator trustValidator = getTrustValidator(trustDomain, returnRevocationData);

        try {
            trustValidator.isTrusted(certificateChain);
        } catch (CertPathValidatorException ignored) {
        }

        if (trustValidator.getResult().isValid()) {
            LOG.debug("valid for trust domain: " + trustDomain.getName());
            harvest(trustDomain, certificateChain);
            return new ValidationResult(trustValidator.getResult(), trustValidator.getRevocationData());
        }

        lastResult = trustValidator.getResult();
        lastRevocationData = trustValidator.getRevocationData();
    }

    return new ValidationResult(lastResult, lastRevocationData);
}

---

From source file:br.gov.frameworkdemoiselle.certificate.signer.pkcs7.bc.CAdESSigner.java

License:Open Source License

/**
 * A validao se basea apenas em assinaturas com um assinante apenas.
 * Valida apenas com o contedo do tipo DATA: OID ContentType
 * 1.2.840.113549.1.9.3 = OID Data 1.2.840.113549.1.7.1
 *
 * @param content//from w  ww  .  j a  va 2 s. c om
 * @param signed
 * @return
 * @params content Necessrio informar apenas se o pacote PKCS7 NO for do
 * tipo ATTACHED. Caso seja do tipo attached, este parmetro ser
 * substituido pelo contedo do pacote PKCS7.
 * @params signed Valor em bytes do pacote PKCS7, como por exemplo o
 * contedo de um arquivo ".p7s". No  a assinatura pura como no caso do
 * PKCS1. TODO: Implementar validao de co-assinaturas
 */
@Override
public boolean check(byte[] content, byte[] signed) {

    CMSSignedData signedData = null;
    PublicKey publicKey = null;

    try {
        if (content == null) {
            signedData = new CMSSignedData(signed);
        } else {
            signedData = new CMSSignedData(new CMSProcessableByteArray(content), signed);
        }
    } catch (CMSException exception) {
        throw new SignerException("Invalid bytes for a PKCS7 package", exception);
    }

    SignerInformationStore signerInformationStore = signedData.getSignerInfos();
    SignerInformation signerInformation = (SignerInformation) signerInformationStore.getSigners().iterator()
            .next();

    /*
     * Retirando o Certificado Digital e a chave Pblica da assinatura
     */
    try {
        CertStore certs;
        try {
            Security.addProvider(new BouncyCastleProvider());
            certs = signedData.getCertificatesAndCRLs("Collection", "BC");
            Collection<? extends Certificate> collCertificados = certs
                    .getCertificates(signerInformation.getSID());
            if (!collCertificados.isEmpty()) {
                certificate = (X509Certificate) collCertificados.iterator().next();
                publicKey = certificate.getPublicKey();
            }
        } catch (NoSuchAlgorithmException exception) {
            throw new SignerException(exception);
        } catch (NoSuchProviderException exception) {
            throw new SignerException(exception);
        } catch (CMSException exception) {
            throw new SignerException(exception);
        } catch (CertStoreException exception) {
            throw new SignerException(exception);
        }
    } catch (SignerException ex) {
        throw new SignerException(
                "Error on get information about certificates and public keys from a package PKCS7", ex);
    }

    try {
        signerInformation.verify(publicKey, "BC");
    } catch (NoSuchAlgorithmException e) {
        throw new SignerException(e);
    } catch (NoSuchProviderException e) {
        throw new SignerException(e);
    } catch (CMSException e) {
        throw new SignerException("Invalid signature", e);
    }

    AttributeTable signedAttributes = signerInformation.getSignedAttributes();

    if (signedAttributes == null) {
        throw new SignerException("Package PKCS7 without signed attributes");
    }

    // Validar a poltica
    org.bouncycastle.asn1.cms.Attribute signaturePolicyIdentifierAttribute = signedAttributes
            .get(new DERObjectIdentifier((new SignaturePolicyIdentifier()).getOID()));
    if (signaturePolicyIdentifierAttribute != null) {
        ASN1Set valueAttribute = signaturePolicyIdentifierAttribute.getAttrValues();
        for (Enumeration<DERSequence> iterator = valueAttribute.getObjects(); iterator.hasMoreElements();) {
            DERSequence sequence = iterator.nextElement();
            DERObjectIdentifier policyIdentifier = (DERObjectIdentifier) sequence.getObjectAt(0);
            String policyOID = policyIdentifier.getId();
            SignaturePolicy policy = SignaturePolicyFactory.getInstance().factory(policyOID);
            if (policy != null) {
                policy.validate(content, signed);
            } else {
                LOGGER.log(Level.WARNING, "N\u00e3o existe validador para a pol\u00edtica {0}", policyOID);
            }
        }
    } else {
        throw new SignerException("ICP-Brasil invalid format. There is not policy signature.");
    }
    return true;
}

---

From source file:br.gov.frameworkdemoiselle.certificate.signer.pkcs7.bc.CAdESSigner.java

License:Open Source License

@Override
public byte[] getAttached(byte[] signed, boolean validate) {

    byte[] result = null;

    if (validate) {
        this.check(null, signed);
    }// w  w w  . j a  va2  s .c o  m

    CMSSignedData signedData = null;
    try {
        signedData = new CMSSignedData(signed);
    } catch (CMSException exception) {
        throw new SignerException("Invalid bytes for a package PKCS7", exception);
    }

    try {
        CMSProcessable contentProcessable = signedData.getSignedContent();
        if (contentProcessable != null) {
            result = (byte[]) contentProcessable.getContent();
        }
    } catch (Exception exception) {
        throw new SignerException("Error on get content from PKCS7", exception);
    }

    return result;

}

---

From source file:br.gov.frameworkdemoiselle.certificate.signer.pkcs7.bc.policies.ADRBCMS_1_0.java

License:Open Source License

@Override
public void validate(byte[] content, byte[] contentSigned) {

    if (contentSigned == null || contentSigned.length == 0) {
        throw new SignaturePolicyException("Content signed is null");
    }/* www .  ja  v a  2 s .  c o m*/

    X509Certificate certificate = null;
    PublicKey publicKey = null;

    /*
     * Validando a integridade do arquivo
     */
    CMSSignedData signedData = null;
    try {
        if (content == null) {
            signedData = new CMSSignedData(contentSigned);
        } else {
            signedData = new CMSSignedData(new CMSProcessableByteArray(content), contentSigned);
        }
    } catch (CMSException exception) {
        throw new SignerException("Invalid bytes for a package PKCS7", exception);
    }

    /*
     * Validando as informaes da assinatura
     */
    SignerInformationStore signerInformationStore = signedData.getSignerInfos();
    SignerInformation signerInformation = (SignerInformation) signerInformationStore.getSigners().iterator()
            .next();

    /*
     * Retirando o Certificado Digital e a chave Pblica da assinatura
     */
    try {
        CertStore certs;
        try {
            Security.addProvider(new BouncyCastleProvider());
            certs = signedData.getCertificatesAndCRLs("Collection", "BC");
            Collection<? extends Certificate> collCertificados = certs
                    .getCertificates(signerInformation.getSID());
            if (!collCertificados.isEmpty()) {
                certificate = (X509Certificate) collCertificados.iterator().next();
                publicKey = certificate.getPublicKey();
            }
        } catch (NoSuchAlgorithmException exception) {
            throw new SignerException(exception);
        } catch (NoSuchProviderException exception) {
            throw new SignerException(exception);
        } catch (CMSException exception) {
            throw new SignerException(exception);
        } catch (CertStoreException exception) {
            throw new SignerException(exception);
        }
    } catch (SignerException exception) {
        throw new SignerException(
                "Error on get information about certificates and public keys from a package PKCS7", exception);
    }

    /*
     * Validando os atributos assinados
     */
    AttributeTable signedAttributesTable = signerInformation.getSignedAttributes();

    /*
     * Validando o atributo ContentType
     */
    org.bouncycastle.asn1.cms.Attribute attributeContentType = signedAttributesTable
            .get(CMSAttributes.contentType);
    if (attributeContentType == null) {
        throw new SignerException("Package PKCS7 without attribute ContentType");
    }

    if (!attributeContentType.getAttrValues().getObjectAt(0).equals(ContentInfo.data)) {
        throw new SignerException("ContentType isn't a DATA type");
    }

    /*
     * Com o atributo ContentType vlido, extrair o contedo assinado, caso
     * possua o contedo atached
     */
    try {
        CMSProcessable contentProcessable = signedData.getSignedContent();
        if (contentProcessable != null) {
            content = (byte[]) contentProcessable.getContent();
        }
    } catch (Exception exception) {
        throw new SignerException(exception);
    }

    /*
     * Validando o atributo MessageDigest
     */
    org.bouncycastle.asn1.cms.Attribute attributeMessageDigest = signedAttributesTable
            .get(CMSAttributes.messageDigest);
    if (attributeMessageDigest == null) {
        throw new SignerException("Package PKCS7 without attribute MessageDigest");
    }
    Object der = attributeMessageDigest.getAttrValues().getObjectAt(0).getDERObject();
    ASN1OctetString octeto = ASN1OctetString.getInstance(der);
    byte[] hashContentSigned = octeto.getOctets();

    String algorithm = SignerAlgorithmEnum
            .getSignerOIDAlgorithmHashEnum(signerInformation.getDigestAlgorithmID().getObjectId().toString())
            .getAlgorithmHash();
    if (!algorithm.equals(DigestAlgorithmEnum.SHA_1.getAlgorithm())) {
        throw new SignerException("Algoritmo de resumo invlido para esta poltica");
    }

    Digest digest = DigestFactory.getInstance().factoryDefault();
    digest.setAlgorithm(DigestAlgorithmEnum.SHA_1.getAlgorithm());
    byte[] hashContent = digest.digest(content);
    if (!MessageDigest.isEqual(hashContentSigned, hashContent)) {
        throw new SignerException("Hash not equal");
    }

    try {
        signerInformation.verify(publicKey, "BC");
    } catch (NoSuchAlgorithmException e) {
        throw new SignerException(e);
    } catch (NoSuchProviderException e) {
        throw new SignerException(e);
    } catch (CMSException e) {
        throw new SignerException("Invalid signature", e);
    }

    // Valida a cadeia de certificao de um arquivo assinado
    //ValidadorUtil.validate(contentSigned, OIDICPBrasil.POLICY_ID_AD_RB_CMS_V_1_0, CertPathEncoding.PKCS7);

    Date dataSigner = null;
    try {
        org.bouncycastle.asn1.cms.Attribute attributeSigningTime = signedAttributesTable
                .get(CMSAttributes.signingTime);
        ASN1Set valorDateSigner = attributeSigningTime.getAttrValues();
        DERSet derSet = (DERSet) valorDateSigner.getDERObject();
        DERUTCTime time = (DERUTCTime) derSet.getObjectAt(0);
        dataSigner = time.getAdjustedDate();
    } catch (ParseException ex) {
        throw new SignerException("SigningTime error", ex);
    }

    //Para a verso 1.0, o perodo para assinatura desta PA  de 31/10/2008 a 31/12/2014.
    //        Calendar calendar = GregorianCalendar.getInstance();
    //        calendar.set(2008, Calendar.OCTOBER, 31, 0, 0, 0);
    //        Date firstDate = calendar.getTime();
    //
    //        calendar.set(2014, Calendar.DECEMBER, 31, 23, 59, 59);
    //        Date lastDate = calendar.getTime();
    //
    //        if (dataSigner != null) {
    //            if (dataSigner.before(firstDate)) {
    //                throw new SignerException("Invalid signing time. Not valid before 10/31/2008");
    //            }
    //            if (dataSigner.after(lastDate)) {
    //                throw new SignerException("Invalid signing time. Not valid after 12/31/2014");
    //            }
    //        } else {
    //            throw new SignerException("There is SigningTime attribute on Package PKCS7, but it is null");
    //        }
}

---

From source file:br.gov.frameworkdemoiselle.certificate.signer.pkcs7.bc.policies.ADRBCMS_1_1.java

License:Open Source License

@Override
public void validate(byte[] content, byte[] contentSigned) {

    if (contentSigned == null || contentSigned.length == 0) {
        throw new SignaturePolicyException("Content signed is null");
    }//from  w  w w . j  a  v  a2s.  com

    X509Certificate certificate = null;
    PublicKey publicKey = null;

    // Validando a integridade do arquivo
    CMSSignedData signedData = null;
    try {
        if (content == null) {
            signedData = new CMSSignedData(contentSigned);
        } else {
            signedData = new CMSSignedData(new CMSProcessableByteArray(content), contentSigned);
        }
    } catch (CMSException exception) {
        throw new SignerException("Invalid bytes for a package PKCS7", exception);
    }

    // Validando as informaes da assinatura
    SignerInformationStore signerInformationStore = signedData.getSignerInfos();
    SignerInformation signerInformation = (SignerInformation) signerInformationStore.getSigners().iterator()
            .next();

    // Retirando o Certificado Digital e a chave Pblica da assinatura
    try {
        CertStore certs;
        try {
            Security.addProvider(new BouncyCastleProvider());
            certs = signedData.getCertificatesAndCRLs("Collection", "BC");
            Collection<? extends Certificate> collCertificados = certs
                    .getCertificates(signerInformation.getSID());
            if (!collCertificados.isEmpty()) {
                certificate = (X509Certificate) collCertificados.iterator().next();
                publicKey = certificate.getPublicKey();
            }
        } catch (NoSuchAlgorithmException exception) {
            throw new SignerException(exception);
        } catch (NoSuchProviderException exception) {
            throw new SignerException(exception);
        } catch (CMSException exception) {
            throw new SignerException(exception);
        } catch (CertStoreException exception) {
            throw new SignerException(exception);
        }
    } catch (SignerException exception) {
        throw new SignerException(
                "Error on get information about certificates and public keys from a package PKCS7", exception);
    }

    // Validando os atributos assinados
    AttributeTable signedAttributesTable = signerInformation.getSignedAttributes();

    // Validando o atributo ContentType
    org.bouncycastle.asn1.cms.Attribute attributeContentType = signedAttributesTable
            .get(CMSAttributes.contentType);
    if (attributeContentType == null) {
        throw new SignerException("Package PKCS7 without attribute ContentType");
    }

    if (!attributeContentType.getAttrValues().getObjectAt(0).equals(ContentInfo.data)) {
        throw new SignerException("ContentType isn't a DATA type");
    }

    // Com o atributo ContentType vlido, extrair o contedo assinado, caso
    // possua o contedo atached
    try {
        CMSProcessable contentProcessable = signedData.getSignedContent();
        if (contentProcessable != null) {
            content = (byte[]) contentProcessable.getContent();
        }
    } catch (Exception exception) {
        throw new SignerException(exception);
    }

    // Validando o atributo MessageDigest
    org.bouncycastle.asn1.cms.Attribute attributeMessageDigest = signedAttributesTable
            .get(CMSAttributes.messageDigest);
    if (attributeMessageDigest == null) {
        throw new SignerException("Package PKCS7 without attribute MessageDigest");
    }
    Object der = attributeMessageDigest.getAttrValues().getObjectAt(0).getDERObject();
    ASN1OctetString octeto = ASN1OctetString.getInstance(der);
    byte[] hashContentSigned = octeto.getOctets();

    String algorithm = SignerAlgorithmEnum
            .getSignerOIDAlgorithmHashEnum(signerInformation.getDigestAlgorithmID().getObjectId().toString())
            .getAlgorithmHash();
    if (!algorithm.equals(DigestAlgorithmEnum.SHA_1.getAlgorithm())
            && !algorithm.equals(DigestAlgorithmEnum.SHA_256.getAlgorithm())) {
        throw new SignerException("Algoritmo de resumo invlido para esta poltica");
    }

    Digest digest = DigestFactory.getInstance().factoryDefault();
    digest.setAlgorithm(algorithm);
    byte[] hashContent = digest.digest(content);
    if (!MessageDigest.isEqual(hashContentSigned, hashContent)) {
        throw new SignerException("Hash not equal");
    }

    try {
        signerInformation.verify(publicKey, "BC");
    } catch (NoSuchAlgorithmException e) {
        throw new SignerException(e);
    } catch (NoSuchProviderException e) {
        throw new SignerException(e);
    } catch (CMSException e) {
        throw new SignerException("Invalid signature", e);
    }

    // O atributo signingCertificate deve conter referncia apenas ao
    // certificado do signatrio.
    org.bouncycastle.asn1.cms.Attribute signedSigningCertificate = signedAttributesTable
            .get(new DERObjectIdentifier("1.2.840.113549.1.9.16.2.12"));
    if (signedSigningCertificate != null) {
        // Uso futuro, para processamento dos valores
        ASN1Set set = signedSigningCertificate.getAttrValues();
    } else {
        throw new SignerException("O Atributo signingCertificate no pode ser nulo.");
    }

    // Valida a cadeia de certificao de um arquivo assinado
    //ValidadorUtil.validate(contentSigned, OIDICPBrasil.POLICY_ID_AD_RB_CMS_V_1_1, CertPathEncoding.PKCS7);

    Date dataSigner = null;
    try {
        org.bouncycastle.asn1.cms.Attribute attributeSigningTime = signedAttributesTable
                .get(CMSAttributes.signingTime);
        ASN1Set valorDateSigner = attributeSigningTime.getAttrValues();
        DERSet derSet = (DERSet) valorDateSigner.getDERObject();
        DERUTCTime time = (DERUTCTime) derSet.getObjectAt(0);
        dataSigner = time.getAdjustedDate();
    } catch (Throwable error) {
        throw new SignerException("SigningTime error", error);
    }

    //Para a verso 1.1, o perodo para assinatura desta PA  de 26/12/2011 a 29/02/2012.
    //        Calendar calendar = GregorianCalendar.getInstance();
    //        calendar.set(2011, Calendar.DECEMBER, 26, 0, 0, 0);
    //        Date firstDate = calendar.getTime();
    //
    //        calendar.set(2012, Calendar.FEBRUARY, 29, 23, 59, 59);
    //        Date lastDate = calendar.getTime();
    //
    //        if (dataSigner != null) {
    //            if (dataSigner.before(firstDate)) {
    //                throw new SignerException("Invalid signing time. Not valid before 12/26/2011");
    //            }
    //            if (dataSigner.after(lastDate)) {
    //                throw new SignerException("Invalid signing time. Not valid after 02/29/2012");
    //            }
    //        } else {
    //            throw new SignerException("There is SigningTime attribute on Package PKCS7, but it is null");
    //        }
}

---

From source file:br.gov.frameworkdemoiselle.certificate.signer.pkcs7.bc.policies.ADRBCMS_2_0.java

License:Open Source License

@Override
public void validate(byte[] content, byte[] contentSigned) {
    if (contentSigned == null || contentSigned.length == 0) {
        throw new SignaturePolicyException("Content signed is null");
    }/*w  w w .  jav  a2s  .  com*/

    X509Certificate certificate = null;
    PublicKey publicKey = null;

    // Validando a integridade do arquivo
    CMSSignedData signedData = null;
    try {
        if (content == null) {
            signedData = new CMSSignedData(contentSigned);
        } else {
            signedData = new CMSSignedData(new CMSProcessableByteArray(content), contentSigned);
        }
    } catch (CMSException exception) {
        throw new SignerException("Invalid bytes for a package PKCS7", exception);
    }

    // Validando as informaes da assinatura
    SignerInformationStore signerInformationStore = signedData.getSignerInfos();
    SignerInformation signerInformation = (SignerInformation) signerInformationStore.getSigners().iterator()
            .next();

    // Retirando o Certificado Digital e a chave Pblica da assinatura
    try {
        CertStore certs;
        try {
            Security.addProvider(new BouncyCastleProvider());
            certs = signedData.getCertificatesAndCRLs("Collection", "BC");
            Collection<? extends Certificate> collCertificados = certs
                    .getCertificates(signerInformation.getSID());
            if (!collCertificados.isEmpty()) {
                certificate = (X509Certificate) collCertificados.iterator().next();
                publicKey = certificate.getPublicKey();
            }
        } catch (NoSuchAlgorithmException exception) {
            throw new SignerException(exception);
        } catch (NoSuchProviderException exception) {
            throw new SignerException(exception);
        } catch (CMSException exception) {
            throw new SignerException(exception);
        } catch (CertStoreException exception) {
            throw new SignerException(exception);
        }
    } catch (SignerException exception) {
        throw new SignerException(
                "Error on get information about certificates and public keys from a package PKCS7", exception);
    }

    // Validando os atributos assinados
    AttributeTable signedAttributesTable = signerInformation.getSignedAttributes();

    // Validando o atributo ContentType
    org.bouncycastle.asn1.cms.Attribute attributeContentType = signedAttributesTable
            .get(CMSAttributes.contentType);
    if (attributeContentType == null) {
        throw new SignerException("Package PKCS7 without attribute ContentType");
    }

    if (!attributeContentType.getAttrValues().getObjectAt(0).equals(ContentInfo.data)) {
        throw new SignerException("ContentType isn't a DATA type");
    }

    // Com o atributo ContentType vlido, extrair o contedo assinado, caso
    // possua o contedo atached
    try {
        CMSProcessable contentProcessable = signedData.getSignedContent();
        if (contentProcessable != null) {
            content = (byte[]) contentProcessable.getContent();
        }
    } catch (Exception exception) {
        throw new SignerException(exception);
    }

    // Validando o atributo MessageDigest
    org.bouncycastle.asn1.cms.Attribute attributeMessageDigest = signedAttributesTable
            .get(CMSAttributes.messageDigest);
    if (attributeMessageDigest == null) {
        throw new SignerException("Package PKCS7 without attribute MessageDigest");
    }
    Object der = attributeMessageDigest.getAttrValues().getObjectAt(0).getDERObject();
    ASN1OctetString octeto = ASN1OctetString.getInstance(der);
    byte[] hashContentSigned = octeto.getOctets();

    String algorithm = SignerAlgorithmEnum
            .getSignerOIDAlgorithmHashEnum(signerInformation.getDigestAlgorithmID().getObjectId().toString())
            .getAlgorithmHash();
    if (!algorithm.equals(DigestAlgorithmEnum.SHA_256.getAlgorithm())) {
        throw new SignerException("Algoritmo de resumo invlido para esta poltica");
    }
    Digest digest = DigestFactory.getInstance().factoryDefault();
    digest.setAlgorithm(DigestAlgorithmEnum.SHA_256.getAlgorithm());
    byte[] hashContent = digest.digest(content);
    if (!MessageDigest.isEqual(hashContentSigned, hashContent)) {
        throw new SignerException("Hash not equal");
    }

    try {
        signerInformation.verify(publicKey, "BC");
    } catch (NoSuchAlgorithmException e) {
        throw new SignerException(e);
    } catch (NoSuchProviderException e) {
        throw new SignerException(e);
    } catch (CMSException e) {
        throw new SignerException("Invalid signature", e);
    }

    // O atributo signingCertificate deve conter referncia apenas ao
    // certificado do signatrio.
    org.bouncycastle.asn1.cms.Attribute signedSigningCertificate = signedAttributesTable
            .get(new DERObjectIdentifier("1.2.840.113549.1.9.16.2.12"));
    if (signedSigningCertificate != null) {
        // Uso futuro, para processamento dos valores
        ASN1Set set = signedSigningCertificate.getAttrValues();
    } else {
        throw new SignerException("O Atributo signingCertificate no pode ser nulo.");
    }

    // Valida a cadeia de certificao de um arquivo assinado
    //ValidadorUtil.validate(contentSigned, OIDICPBrasil.POLICY_ID_AD_RB_CMS_V_2_0, CertPathEncoding.PKCS7);

    Date dataSigner = null;
    try {
        org.bouncycastle.asn1.cms.Attribute attributeSigningTime = signedAttributesTable
                .get(CMSAttributes.signingTime);
        ASN1Set valorDateSigner = attributeSigningTime.getAttrValues();
        DERSet derSet = (DERSet) valorDateSigner.getDERObject();
        DERUTCTime time = (DERUTCTime) derSet.getObjectAt(0);
        dataSigner = time.getAdjustedDate();
    } catch (ParseException ex) {

    }

    //Para a verso 2.0, o perodo para assinatura desta PA  de 26/12/2011 a 21/06/2023.
    Calendar calendar = GregorianCalendar.getInstance();
    calendar.set(2011, Calendar.DECEMBER, 26, 0, 0, 0);
    Date firstDate = calendar.getTime();

    calendar.set(2023, Calendar.JUNE, 21, 23, 59, 59);
    Date lastDate = calendar.getTime();

    if (dataSigner != null) {
        if (dataSigner.before(firstDate)) {
            throw new SignerException("Invalid signing time. Not valid before 12/26/2011");
        }
        if (dataSigner.after(lastDate)) {
            throw new SignerException("Invalid signing time. Not valid after 06/21/2023");
        }
    } else {
        throw new SignerException("There is SigningTime attribute on Package PKCS7, but it is null");
    }

}

---

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