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Example 1 with AlgAndLength

use of org.demoiselle.signer.policy.engine.asn1.etsi.AlgAndLength in project signer by demoiselle.

the class CAdESSigner method doSign.

private byte[] doSign(byte[] content, byte[] previewSignature) {
    try {
        Security.addProvider(new BouncyCastleProvider());
        // Completa os certificados ausentes da cadeia, se houver
        if (this.certificate == null && this.certificateChain != null && this.certificateChain.length > 0) {
            this.certificate = (X509Certificate) this.certificateChain[0];
        }
        this.certificateChain = CAManager.getInstance().getCertificateChainArray(this.certificate);
        if (this.certificateChain.length < 3) {
            throw new SignerException(cadesMessagesBundle.getString("error.no.ca", this.certificate.getIssuerDN()));
        }
        Certificate[] certStore = new Certificate[] {};
        CMSSignedData cmsPreviewSignedData = null;
        // Importar todos os certificados da assinatura anterior
        if (previewSignature != null && previewSignature.length > 0) {
            cmsPreviewSignedData = new CMSSignedData(new CMSAbsentContent(), previewSignature);
            Collection<X509Certificate> previewCerts = this.getSignersCertificates(cmsPreviewSignedData);
            // previewCerts.add(this.certificate);
            certStore = previewCerts.toArray(new Certificate[] {});
        }
        setCertificateManager(new CertificateManager(this.certificate));
        // Recupera a lista de algoritmos da politica e o tamanho minimo da
        // chave
        List<AlgAndLength> listOfAlgAndLength = new ArrayList<AlgAndLength>();
        for (AlgAndLength algLength : signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getAlgorithmConstraintSet().getSignerAlgorithmConstraints().getAlgAndLengths()) {
            listOfAlgAndLength.add(algLength);
        }
        AlgAndLength algAndLength = null;
        // verificar se o mesmo é permitido pela politica
        if (this.pkcs1.getAlgorithm() != null) {
            String varSetedAlgorithmOID = AlgorithmNames.getOIDByAlgorithmName(this.pkcs1.getAlgorithm());
            for (AlgAndLength algLength : listOfAlgAndLength) {
                if (algLength.getAlgID().getValue().equalsIgnoreCase(varSetedAlgorithmOID)) {
                    algAndLength = algLength;
                    SignerAlgorithmEnum varSignerAlgorithmEnum = SignerAlgorithmEnum.valueOf(this.pkcs1.getAlgorithm());
                    String varOIDAlgorithmHash = varSignerAlgorithmEnum.getOIDAlgorithmHash();
                    ObjectIdentifier varObjectIdentifier = signaturePolicy.getSignPolicyHashAlg().getAlgorithm();
                    varObjectIdentifier.setValue(varOIDAlgorithmHash);
                    AlgorithmIdentifier varAlgorithmIdentifier = signaturePolicy.getSignPolicyHashAlg();
                    varAlgorithmIdentifier.setAlgorithm(varObjectIdentifier);
                    signaturePolicy.setSignPolicyHashAlg(varAlgorithmIdentifier);
                }
            }
        } else {
            algAndLength = listOfAlgAndLength.get(0);
        }
        if (algAndLength == null) {
            throw new SignerException(cadesMessagesBundle.getString("error.no.algorithm.policy"));
        }
        logger.info(cadesMessagesBundle.getString("info.algorithm.id", algAndLength.getAlgID().getValue()));
        logger.info(cadesMessagesBundle.getString("info.algorithm.name", AlgorithmNames.getAlgorithmNameByOID(algAndLength.getAlgID().getValue())));
        logger.info(cadesMessagesBundle.getString("info.algorithm.policy.default", AlgorithmNames.getOIDByAlgorithmName(getAlgorithm())));
        logger.info(cadesMessagesBundle.getString("info.min.key.length", algAndLength.getMinKeyLength()));
        // Recupera o tamanho minimo da chave para validacao
        logger.info(cadesMessagesBundle.getString("info.validating.key.length"));
        int keyLegth = ((RSAKey) certificate.getPublicKey()).getModulus().bitLength();
        if (keyLegth < algAndLength.getMinKeyLength()) {
            throw new SignerException(cadesMessagesBundle.getString("error.min.key.length", algAndLength.getMinKeyLength().toString(), keyLegth));
        }
        AttributeFactory attributeFactory = AttributeFactory.getInstance();
        // Consulta e adiciona os atributos assinados
        ASN1EncodableVector signedAttributes = new ASN1EncodableVector();
        logger.info(cadesMessagesBundle.getString("info.signed.attribute"));
        if (signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedSignedAttr().getObjectIdentifiers() != null) {
            for (ObjectIdentifier objectIdentifier : signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedSignedAttr().getObjectIdentifiers()) {
                SignedOrUnsignedAttribute signedOrUnsignedAttribute = attributeFactory.factory(objectIdentifier.getValue());
                signedOrUnsignedAttribute.initialize(this.pkcs1.getPrivateKey(), certificateChain, content, signaturePolicy, this.hash);
                signedAttributes.add(signedOrUnsignedAttribute.getValue());
            }
        }
        // Monta a tabela de atributos assinados
        AttributeTable signedAttributesTable = new AttributeTable(signedAttributes);
        // Create the table table generator that will added to the Signer
        // builder
        CMSAttributeTableGenerator signedAttributeGenerator = new DefaultSignedAttributeTableGenerator(signedAttributesTable);
        // Recupera o(s) certificado(s) de confianca para validacao
        Collection<X509Certificate> trustedCAs = new HashSet<X509Certificate>();
        Collection<CertificateTrustPoint> ctp = signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSigningCertTrustCondition().getSignerTrustTrees().getCertificateTrustPoints();
        for (CertificateTrustPoint certificateTrustPoint : ctp) {
            logger.info(cadesMessagesBundle.getString("info.trust.point", certificateTrustPoint.getTrustpoint().getSubjectDN().toString()));
            trustedCAs.add(certificateTrustPoint.getTrustpoint());
        }
        // Efetua a validacao das cadeias do certificado baseado na politica
        Collection<X509Certificate> certificateChainTrusted = new HashSet<X509Certificate>();
        for (Certificate certCA : certificateChain) {
            certificateChainTrusted.add((X509Certificate) certCA);
        }
        X509Certificate rootOfCertificate = null;
        for (X509Certificate tcac : certificateChainTrusted) {
            logger.info(tcac.getIssuerDN().toString());
            if (CAManager.getInstance().isRootCA(tcac)) {
                rootOfCertificate = tcac;
            }
        }
        if (trustedCAs.contains(rootOfCertificate)) {
            logger.info(cadesMessagesBundle.getString("info.trust.in.point", rootOfCertificate.getSubjectDN()));
        } else {
            // Não encontrou na política, verificará nas cadeias do
            // componente chain-icp-brasil provavelmente certificado de
            // homologação.
            logger.warn(cadesMessagesBundle.getString("info.trust.poin.homolog"));
            CAManager.getInstance().validateRootCAs(certificateChainTrusted, certificate);
        }
        // validade da politica
        logger.info(cadesMessagesBundle.getString("info.policy.valid.period"));
        PolicyValidator pv = new PolicyValidator(this.signaturePolicy, this.policyName);
        pv.validate();
        // Realiza a assinatura do conteudo
        CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
        gen.addCertificates(this.generatedCertStore(certStore));
        String algorithmOID = algAndLength.getAlgID().getValue();
        logger.info(cadesMessagesBundle.getString("info.algorithm.id", algorithmOID));
        SignerInfoGenerator signerInfoGenerator = new JcaSimpleSignerInfoGeneratorBuilder().setSignedAttributeGenerator(signedAttributeGenerator).setUnsignedAttributeGenerator(null).build(AlgorithmNames.getAlgorithmNameByOID(algorithmOID), this.pkcs1.getPrivateKey(), this.certificate);
        gen.addSignerInfoGenerator(signerInfoGenerator);
        CMSTypedData cmsTypedData;
        // para assinatura do hash, content nulo
        if (content == null) {
            cmsTypedData = new CMSAbsentContent();
        } else {
            cmsTypedData = new CMSProcessableByteArray(content);
        }
        // Efetua a assinatura digital do conteúdo
        CMSSignedData cmsSignedData = gen.generate(cmsTypedData, this.attached);
        setAttached(false);
        // Consulta e adiciona os atributos não assinados//
        ASN1EncodableVector unsignedAttributes = new ASN1EncodableVector();
        logger.info(cadesMessagesBundle.getString("info.unsigned.attribute"));
        Collection<SignerInformation> vNewSigners = cmsSignedData.getSignerInfos().getSigners();
        Iterator<SignerInformation> it = vNewSigners.iterator();
        SignerInformation oSi = it.next();
        if (signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedUnsignedAttr().getObjectIdentifiers() != null) {
            for (ObjectIdentifier objectIdentifier : signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedUnsignedAttr().getObjectIdentifiers()) {
                SignedOrUnsignedAttribute signedOrUnsignedAttribute = attributeFactory.factory(objectIdentifier.getValue());
                if (signedOrUnsignedAttribute.getOID().equalsIgnoreCase(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken.getId())) {
                    signedOrUnsignedAttribute.initialize(this.pkcs1.getPrivateKey(), this.certificateChainTimeStamp, oSi.getSignature(), signaturePolicy, this.hash);
                }
                if (// EscTimeStamp
                signedOrUnsignedAttribute.getOID().equalsIgnoreCase("1.2.840.113549.1.9.16.2.25")) {
                    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                    outputStream.write(oSi.getSignature());
                    AttributeTable varUnsignedAttributes = oSi.getUnsignedAttributes();
                    Attribute varAttribute = varUnsignedAttributes.get(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken.getId()));
                    outputStream.write(varAttribute.getAttrType().getEncoded());
                    outputStream.write(varAttribute.getAttrValues().getEncoded());
                    varAttribute = varUnsignedAttributes.get(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.id_aa_ets_certificateRefs.getId()));
                    outputStream.write(varAttribute.getAttrType().getEncoded());
                    outputStream.write(varAttribute.getAttrValues().getEncoded());
                    varAttribute = varUnsignedAttributes.get(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.id_aa_ets_revocationRefs.getId()));
                    outputStream.write(varAttribute.getAttrType().getEncoded());
                    outputStream.write(varAttribute.getAttrValues().getEncoded());
                    escTimeStampContent = outputStream.toByteArray();
                    signedOrUnsignedAttribute.initialize(this.pkcs1.getPrivateKey(), this.certificateChainTimeStamp, escTimeStampContent, signaturePolicy, this.hash);
                } else {
                    signedOrUnsignedAttribute.initialize(this.pkcs1.getPrivateKey(), certificateChain, oSi.getSignature(), signaturePolicy, this.hash);
                }
                unsignedAttributes.add(signedOrUnsignedAttribute.getValue());
                AttributeTable unsignedAttributesTable = new AttributeTable(unsignedAttributes);
                vNewSigners.remove(oSi);
                oSi = SignerInformation.replaceUnsignedAttributes(oSi, unsignedAttributesTable);
                vNewSigners.add(oSi);
            }
        }
        // TODO Estudar este método de contra-assinatura posteriormente
        if (previewSignature != null && previewSignature.length > 0) {
            vNewSigners.addAll(cmsPreviewSignedData.getSignerInfos().getSigners());
        }
        SignerInformationStore oNewSignerInformationStore = new SignerInformationStore(vNewSigners);
        CMSSignedData oSignedData = cmsSignedData;
        cmsSignedData = CMSSignedData.replaceSigners(oSignedData, oNewSignerInformationStore);
        byte[] result = cmsSignedData.getEncoded();
        logger.info(cadesMessagesBundle.getString("info.signature.ok"));
        return result;
    } catch (CMSException | IOException | OperatorCreationException | CertificateEncodingException ex) {
        throw new SignerException(ex);
    }
}
Also used : CMSSignedDataGenerator(org.bouncycastle.cms.CMSSignedDataGenerator) DefaultSignedAttributeTableGenerator(org.bouncycastle.cms.DefaultSignedAttributeTableGenerator) Attribute(org.bouncycastle.asn1.cms.Attribute) SignedOrUnsignedAttribute(org.demoiselle.signer.policy.impl.cades.pkcs7.attribute.SignedOrUnsignedAttribute) ArrayList(java.util.ArrayList) SignedOrUnsignedAttribute(org.demoiselle.signer.policy.impl.cades.pkcs7.attribute.SignedOrUnsignedAttribute) AttributeTable(org.bouncycastle.asn1.cms.AttributeTable) CertificateManager(org.demoiselle.signer.core.CertificateManager) SignerInformation(org.bouncycastle.cms.SignerInformation) AlgorithmIdentifier(org.demoiselle.signer.policy.engine.asn1.etsi.AlgorithmIdentifier) CertificateTrustPoint(org.demoiselle.signer.policy.engine.asn1.etsi.CertificateTrustPoint) SignerInformationStore(org.bouncycastle.cms.SignerInformationStore) CMSAttributeTableGenerator(org.bouncycastle.cms.CMSAttributeTableGenerator) ASN1EncodableVector(org.bouncycastle.asn1.ASN1EncodableVector) OperatorCreationException(org.bouncycastle.operator.OperatorCreationException) JcaSimpleSignerInfoGeneratorBuilder(org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoGeneratorBuilder) BouncyCastleProvider(org.bouncycastle.jce.provider.BouncyCastleProvider) ASN1ObjectIdentifier(org.bouncycastle.asn1.ASN1ObjectIdentifier) ObjectIdentifier(org.demoiselle.signer.policy.engine.asn1.etsi.ObjectIdentifier) HashSet(java.util.HashSet) CMSProcessableByteArray(org.bouncycastle.cms.CMSProcessableByteArray) CMSTypedData(org.bouncycastle.cms.CMSTypedData) SignerAlgorithmEnum(org.demoiselle.signer.policy.impl.cades.SignerAlgorithmEnum) CMSAbsentContent(org.bouncycastle.cms.CMSAbsentContent) AlgAndLength(org.demoiselle.signer.policy.engine.asn1.etsi.AlgAndLength) AttributeFactory(org.demoiselle.signer.policy.impl.cades.pkcs7.attribute.factory.AttributeFactory) CertificateEncodingException(java.security.cert.CertificateEncodingException) ByteArrayOutputStream(java.io.ByteArrayOutputStream) IOException(java.io.IOException) CMSSignedData(org.bouncycastle.cms.CMSSignedData) X509Certificate(java.security.cert.X509Certificate) CertificateTrustPoint(org.demoiselle.signer.policy.engine.asn1.etsi.CertificateTrustPoint) PolicyValidator(org.demoiselle.signer.policy.engine.asn1.icpb.v2.PolicyValidator) SignerInfoGenerator(org.bouncycastle.cms.SignerInfoGenerator) SignerException(org.demoiselle.signer.policy.impl.cades.SignerException) ASN1ObjectIdentifier(org.bouncycastle.asn1.ASN1ObjectIdentifier) X509Certificate(java.security.cert.X509Certificate) Certificate(java.security.cert.Certificate) CMSException(org.bouncycastle.cms.CMSException)

Aggregations

ByteArrayOutputStream (java.io.ByteArrayOutputStream)1 IOException (java.io.IOException)1 Certificate (java.security.cert.Certificate)1 CertificateEncodingException (java.security.cert.CertificateEncodingException)1 X509Certificate (java.security.cert.X509Certificate)1 ArrayList (java.util.ArrayList)1 HashSet (java.util.HashSet)1 ASN1EncodableVector (org.bouncycastle.asn1.ASN1EncodableVector)1 ASN1ObjectIdentifier (org.bouncycastle.asn1.ASN1ObjectIdentifier)1 Attribute (org.bouncycastle.asn1.cms.Attribute)1 AttributeTable (org.bouncycastle.asn1.cms.AttributeTable)1 CMSAbsentContent (org.bouncycastle.cms.CMSAbsentContent)1 CMSAttributeTableGenerator (org.bouncycastle.cms.CMSAttributeTableGenerator)1 CMSException (org.bouncycastle.cms.CMSException)1 CMSProcessableByteArray (org.bouncycastle.cms.CMSProcessableByteArray)1 CMSSignedData (org.bouncycastle.cms.CMSSignedData)1 CMSSignedDataGenerator (org.bouncycastle.cms.CMSSignedDataGenerator)1 CMSTypedData (org.bouncycastle.cms.CMSTypedData)1 DefaultSignedAttributeTableGenerator (org.bouncycastle.cms.DefaultSignedAttributeTableGenerator)1 SignerInfoGenerator (org.bouncycastle.cms.SignerInfoGenerator)1