Example usage for org.bouncycastle.asn1 ASN1EncodableVector get

List of usage examples for org.bouncycastle.asn1 ASN1EncodableVector get

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Introduction

In this page you can find the example usage for org.bouncycastle.asn1 ASN1EncodableVector get.

Prototype

public ASN1Encodable get(int i)

Source Link

Document

Return the object at position i in this vector.

Usage

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSigner.java

License:Open Source License

/** Obtiene la contrafirma de los signerInfo sin ser recursivo. Esto es por
 * el caso especial de que puede ser el nodo raiz el nodo a firmar, por lo
 * que no ser&iacute;a necesario usar la recursividad.<br>
 * @param signerInfo/*from  w  w w . j  a va 2s  .  c om*/
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param certChain Cadena de certificados del firmante.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @param policy Pol&iacute;tica de firma.
 * @param signingCertificateV2 <code>true</code> si se desea usar <i>SigningCertificateV2</i>, <code>false</code>
 *        para usar <i>SigningCertificateV1</i>.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws java.io.IOException Cuando hay errores de entrada / salida
 * @throws CertificateException  Cuando hay problemas con los certificados proporcionados. */
private SignerInfo getNodeSignerInfo(final SignerInfo signerInfo, final P7ContentSignerParameters parameters,
        final PrivateKey key, final java.security.cert.Certificate[] certChain, final String contentDescription,
        final AdESPolicy policy, final boolean signingCertificateV2,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();
        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    signerInfosU.add(SignerInfo.getInstance(eAtributesData.nextElement()));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DEL NODO ACTUAL
        signerInfosU.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, key, certChain,
                contentDescription, policy, signingCertificateV2, ctis, csm));

        // FIRMA DE CADA UNO DE LOS HIJOS
        ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));
                    // creamos el de la contrafirma.
                    signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, key,
                            certChain, contentDescription, policy, signingCertificateV2, ctis, csm));
                    final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                            new DERSet(signerInfosU2));
                    contexExpecific.add(uAtrib);

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), a1 // unsignedAttr
                );
            } else {
                final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                        new DERSet(signerInfosU));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
                );
            }
        }
    } else {
        signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, key, certChain,
                contentDescription, policy, signingCertificateV2, ctis, csm));
        final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
        );
    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSigner.java

License:Open Source License

/** Obtiene la contrafirma de los signerInfo buscando el nodo de forma
 * recursiva.<br>//  w w  w.  j  a  v  a 2  s  . c  om
 * @param signerInfo
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param certChain Cadena de certificados del firmante.
 * @param node Nodo espec&iacute;fico a firmar.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @param policy Pol&iacute;tica de firma.
 * @param signingCertificateV2 <code>true</code> si se desea usar <i>SigningCertificateV2</i>, <code>false</code>
 *        para usar <i>SigningCertificateV1</i>.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws IOException Cuando hay errores de entrada / salida
 * @throws CertificateException Cuando hay problemas con los certificados proporcionados.
 * @throws AOException En caso de cualquier otro tipo de error */
private SignerInfo getNodeSignerInfo(final SignerInfo signerInfo, final P7ContentSignerParameters parameters,
        final PrivateKey key, final java.security.cert.Certificate[] certChain, final String contentDescription,
        final int node, final AdESPolicy policy, final boolean signingCertificateV2,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();
        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final SignerInfo si = SignerInfo.getInstance(eAtributesData.nextElement());
                    this.actualIndex++;
                    if (this.actualIndex != node) {
                        if (this.actualIndex < node) {
                            signerInfosU.add(getNodeSignerInfo(si, parameters, key, certChain,
                                    contentDescription, node, policy, signingCertificateV2, ctis, csm));
                        } else {
                            signerInfosU.add(si);
                        }
                    } else {
                        final SignerInfo obtained = getNodeSignerInfo(si, parameters, key, certChain,
                                contentDescription, policy, signingCertificateV2, ctis, csm);
                        signerInfosU.add(obtained);
                    }
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DE CADA UNO DE LOS HIJOS
        final ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), a1 // unsignedAttr
                );
            } else {
                final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                        new DERSet(signerInfosU));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
                );
            }
        }
    } else {
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(), null // unsignedAttr
        );

    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSignerEnveloped.java

License:Open Source License

/** M&eacute;todo utilizado por la firma del &eacute;rbol para obtener la
 * contrafirma de los signerInfo de forma recursiva.<br>
 * @param signerInfo/*w  w  w.j  a v a2 s.c o  m*/
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param certChain Cadena de certificados del firmante.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws IOException Cuando hay errores de entrada / salida
 * @throws CertificateException Cuando hay problemas con los certificados proporcionados.
 * @throws AOException En caso de cualquier otro tipo de error */
private SignerInfo getCounterSignerInfo(final SignerInfo signerInfo, final P7ContentSignerParameters parameters,
        final PrivateKey key, final java.security.cert.Certificate[] certChain, final String contentDescription,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();

        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final SignerInfo si = SignerInfo.getInstance(eAtributesData.nextElement());
                    signerInfosU.add(getCounterSignerInfo(si, parameters, key, certChain, contentDescription,
                            ctis, csm));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DEL NODO ACTUAL
        counterSigner = generateSignerInfo(parameters, signerInfo, key, certChain, contentDescription, ctis,
                csm);
        signerInfosU.add(counterSigner);

        // FIRMA DE CADA UNO DE LOS HIJOS
        ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));
                    // creamos el de la contrafirma.
                    signerInfosU2.add(generateSignerInfo(parameters, signerInfo, key, certChain,
                            contentDescription, ctis, csm));
                    contexExpecific
                            .add(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2)));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), a1 // unsignedAttr
                );
            } else {
                final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                        new DERSet(signerInfosU));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
                );
            }
        }

    } else {
        signerInfosU2
                .add(generateSignerInfo(parameters, signerInfo, key, certChain, contentDescription, ctis, csm));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(),
                new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2))) // unsignedAttr
        );
    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSignerEnveloped.java

License:Open Source License

/** M&eacute;todo utilizado por la firma de una hoja del &eacute;rbol para
 * obtener la contrafirma de los signerInfo de una determinada hoja de forma
 * recursiva.<br>/* w w w  .j a  v  a2 s .  c  o  m*/
 * @param signerInfo
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param certChain Cadena de certificados del firmante.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws java.io.IOException Cuando hay errores de entrada / salida
 * @throws CertificateException Cuando hay problemas con los certificados proporcionados.
 * @throws AOException En caso de cualquier otro tipo de error */
private SignerInfo getCounterLeafSignerInfo(final SignerInfo signerInfo,
        final P7ContentSignerParameters parameters, final PrivateKey key,
        final java.security.cert.Certificate[] certChain, final String contentDescription,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAttributes = signerInfo.getUnauthenticatedAttributes().getObjects();

        while (eAttributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAttributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final SignerInfo si = SignerInfo.getInstance(eAtributesData.nextElement());
                    signerInfosU.add(getCounterLeafSignerInfo(si, parameters, key, certChain,
                            contentDescription, ctis, csm));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DE CADA UNO DE LOS HIJOS
        ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(),
                    new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU))) // unsignedAttr
            );

        }
    } else {
        signerInfosU2
                .add(generateSignerInfo(parameters, signerInfo, key, certChain, contentDescription, ctis, csm));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(),
                new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2))) // unsignedAttr
        );

    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSignerEnveloped.java

License:Open Source License

/** M&eacute;todo utilizado por la firma de un nodo del &eacute;rbol para
 * obtener la contrafirma de los signerInfo Sin ser recursivo. Esto es por
 * el caso especial de que puede ser el nodo raiz el nodo a firmar, por lo
 * que no ser&iacute;a necesario usar la recursividad.<br>
 * @param signerInfo// w  w w.  j  av  a  2  s  .  c  om
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param certChain Cadena de certificados del firmante.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws IOException Cuando hay errores en el tratamiento de los datos.
 * @throws CertificateException Cuando hay problemas con los certificados proporcionados. */
private SignerInfo getCounterNodeSignerInfo(final SignerInfo signerInfo,
        final P7ContentSignerParameters parameters, final PrivateKey key,
        final java.security.cert.Certificate[] certChain, final String contentDescription,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAttributes = signerInfo.getUnauthenticatedAttributes().getObjects();
        while (eAttributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAttributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    signerInfosU.add(SignerInfo.getInstance(eAtributesData.nextElement()));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DEL NODO ACTUAL
        signerInfosU
                .add(generateSignerInfo(parameters, signerInfo, key, certChain, contentDescription, ctis, csm));

        // FIRMA DE CADA UNO DE LOS HIJOS
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(),
                    SigUtils.getAttributeSet(new AttributeTable(contexExpecific)) // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));
                    // creamos el de la contrafirma.
                    signerInfosU2.add(generateSignerInfo(parameters, signerInfo, key, certChain,
                            contentDescription, ctis, csm));
                    final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                            new DERSet(signerInfosU2));
                    contexExpecific.add(uAtrib);

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(),
                        SigUtils.getAttributeSet(new AttributeTable(contexExpecific)) // unsignedAttr
                );
            } else {
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(),
                        new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU))) // unsignedAttr
                );
            }
        }
    } else {
        signerInfosU2
                .add(generateSignerInfo(parameters, signerInfo, key, certChain, contentDescription, ctis, csm));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(),
                new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2))) // unsignedAttr
        );
    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESCounterSignerEnveloped.java

License:Open Source License

/** M&eacute;todo utilizado por la firma de un nodo del &eacute;rbol para
 * obtener la contrafirma de los signerInfo buscando el nodo de forma
 * recursiva.<br>//from   w w  w . j  a va 2s.c  om
 * @param signerInfo
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar
 * @param certChain Cadena de certificados del firmante.
 * @param contentDescription
 *         Descripci&oacute;n textual del tipo de contenido firmado.
 * @param node Nodo espec&iacute;fico a firmar.
 * @param ctis Indicaciones sobre los tipos de compromisos adquiridos con la firma.
 * @param csm Metadatos sobre el firmante.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws NoSuchAlgorithmException Si no se soporta alguno de los algoritmos necesarios.
 * @throws IOException Cuando hay errores en el tratamiento de los datos.
 * @throws CertificateException Cuando hay problemas con los certificados proporcionados.
 * @throws AOException En caso de cualquier otro tipo de error */
private SignerInfo getCounterNodeSignerInfo(final SignerInfo signerInfo,
        final P7ContentSignerParameters parameters, final PrivateKey key,
        final java.security.cert.Certificate[] certChain, final String contentDescription, final int node,
        final List<CommitmentTypeIndicationBean> ctis, final CAdESSignerMetadata csm)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();
        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final Enumeration<?> eAtributesData = data.getAttrValues().getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final ASN1Sequence atrib = (ASN1Sequence) eAtributesData.nextElement();
                    final SignerInfo si = SignerInfo.getInstance(atrib);
                    this.actualIndex++;
                    if (this.actualIndex != node) {
                        if (this.actualIndex < node) {
                            signerInfosU.add(getCounterNodeSignerInfo(si, parameters, key, certChain,
                                    contentDescription, node, ctis, csm));
                        } else {
                            signerInfosU.add(si);
                        }
                    } else {
                        signerInfosU.add(getCounterNodeSignerInfo(si, parameters, key, certChain,
                                contentDescription, ctis, csm));
                    }
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DE CADA UNO DE LOS HIJOS
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(),
                    SigUtils.getAttributeSet(new AttributeTable(contexExpecific)) // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(),
                        SigUtils.getAttributeSet(new AttributeTable(contexExpecific)) // unsignedAttr
                );
            } else {
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(),
                        new DERSet(new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU))) // unsignedAttr
                );
            }
        }
    } else {
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(), null // unsignedAttr
        );

    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESTriPhaseCounterSigner.java

License:Open Source License

/** Obtiene la contrafirma de los signerInfo de forma recursiva.<br>
 * @param signerInfo//from  w  w w  .j  a va  2 s  .  com
 *        Nodo ra&iacute; que contiene todos los signerInfos que se
 *        deben firmar.
 * @param parameters
 *        Par&aacute;metros necesarios para firmar un determinado
 *        SignerInfo hoja.
 * @param key Clave privada a usar para firmar.
 * @param contentType
 *         Tipo de contenido definido por su OID.
 * @param contentDescription
 *         Descripci&oacute;n textual del tipo de contenido firmado.
 * @return El SignerInfo ra&iacute;z parcial con todos sus nodos
 *         Contrafirmados.
 * @throws java.security.NoSuchAlgorithmException
 * @throws java.io.IOException
 * @throws java.security.cert.CertificateException
 * @throws es.map.es.map.afirma.exceptions.AOException */
private SignerInfo getCounterSignerInfo(final SignerInfo signerInfo, final P7ContentSignerParameters parameters,
        final PrivateKey key, final java.security.cert.Certificate[] certChain, final String contentType,
        final String contentDescription, final AdESPolicy policy, final boolean signingCertificateV2)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {
    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();

        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final SignerInfo si = new SignerInfo((ASN1Sequence) eAtributesData.nextElement());
                    signerInfosU.add(getCounterSignerInfo(si, parameters, key, certChain, contentType,
                            contentDescription, policy, signingCertificateV2));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DEL NODO ACTUAL
        counterSigner = generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, certChain,
                contentType, contentDescription, policy, signingCertificateV2);
        signerInfosU.add(counterSigner);

        // FIRMA DE CADA UNO DE LOS HIJOS
        ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));
                    // creamos el de la contrafirma.
                    signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo,
                            certChain, contentType, contentDescription, policy, signingCertificateV2));
                    final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                            new DERSet(signerInfosU2));
                    contexExpecific.add(uAtrib);

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), a1 // unsignedAttr
                );
            } else {
                final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                        new DERSet(signerInfosU));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
                );
            }
        }

    } else {
        signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, certChain,
                contentType, contentDescription, policy, signingCertificateV2));
        final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
        );

    }
    return counterSigner;
}

From source file:es.gob.afirma.signers.multi.cades.CAdESTriPhaseCounterSigner.java

License:Open Source License

/** Obtiene la contrafirma de los signerInfo de una determinada hoja de forma
 * recursiva.</br>//  w ww .ja v  a 2 s  .  co  m
 * @param signerInfo Nodo ra&iacute; que contiene todos los signerInfos que se deben firmar.
 * @param parameters Par&aacute;metros necesarios para firmar un determinado <i>SignerInfo</i> hoja.
 * @param cert Certificado de firma.
 * @param keyEntry Clave privada a usar para firmar
 * @param contentType Tipo de contenido definido por su OID.
 * @param contentDescription Descripci&oacute;n textual del tipo de contenido firmado.
 * @return SignerInfo ra&iacute;z parcial con todos sus nodos contrafirmados.
 * @throws java.security.NoSuchAlgorithmException
 * @throws java.io.IOException
 * @throws java.security.cert.CertificateException
 * @throws es.map.es.map.afirma.exceptions.AOException */
private SignerInfo getLeafSignerInfo(final SignerInfo signerInfo, final P7ContentSignerParameters parameters,
        final PrivateKey key, final java.security.cert.Certificate[] certChain, final String contentType,
        final String contentDescription, final AdESPolicy policy, final boolean signingCertificateV2)
        throws NoSuchAlgorithmException, IOException, CertificateException, AOException {

    final ASN1EncodableVector signerInfosU = new ASN1EncodableVector();
    final ASN1EncodableVector signerInfosU2 = new ASN1EncodableVector();
    SignerInfo counterSigner = null;
    if (signerInfo.getUnauthenticatedAttributes() != null) {
        final Enumeration<?> eAtributes = signerInfo.getUnauthenticatedAttributes().getObjects();

        while (eAtributes.hasMoreElements()) {
            final Attribute data = Attribute.getInstance(eAtributes.nextElement());
            if (!data.getAttrType().equals(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken)) {
                final ASN1Set setInto = data.getAttrValues();
                final Enumeration<?> eAtributesData = setInto.getObjects();
                while (eAtributesData.hasMoreElements()) {
                    final SignerInfo si = new SignerInfo((ASN1Sequence) eAtributesData.nextElement());
                    signerInfosU.add(getLeafSignerInfo(si, parameters, key, certChain, contentType,
                            contentDescription, policy, signingCertificateV2));
                }
            } else {
                signerInfosU.add(data);
            }

        }
        // FIRMA DE CADA UNO DE LOS HIJOS
        ASN1Set a1;
        final ASN1EncodableVector contexExpecific = new ASN1EncodableVector();
        if (signerInfosU.size() > 1) {
            for (int i = 0; i < signerInfosU.size(); i++) {
                if (signerInfosU.get(i) instanceof Attribute) {
                    contexExpecific.add(signerInfosU.get(i));
                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(i))));
                }
            }
            a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
            counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                    signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                    signerInfo.getEncryptedDigest(), a1 // unsignedAttr
            );

        } else {
            if (signerInfosU.size() == 1) {
                if (signerInfosU.get(0) instanceof Attribute) {
                    // anadimos el que hay
                    contexExpecific.add(signerInfosU.get(0));
                    // creamos el de la contrafirma.
                    signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo,
                            certChain, contentType, contentDescription, policy, signingCertificateV2));
                    final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                            new DERSet(signerInfosU2));
                    contexExpecific.add(uAtrib);

                } else {
                    contexExpecific.add(
                            new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU.get(0))));
                }
                a1 = SigUtils.getAttributeSet(new AttributeTable(contexExpecific));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), a1 // unsignedAttr
                );
            } else {
                final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature,
                        new DERSet(signerInfosU));
                counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                        signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                        signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
                );
            }

        }
    } else {
        signerInfosU2.add(generateSignerInfo(parameters.getSignatureAlgorithm(), signerInfo, certChain,
                contentType, contentDescription, policy, signingCertificateV2));
        final Attribute uAtrib = new Attribute(CMSAttributes.counterSignature, new DERSet(signerInfosU2));
        counterSigner = new SignerInfo(signerInfo.getSID(), signerInfo.getDigestAlgorithm(),
                signerInfo.getAuthenticatedAttributes(), signerInfo.getDigestEncryptionAlgorithm(),
                signerInfo.getEncryptedDigest(), new DERSet(uAtrib) // unsignedAttr
        );

    }
    return counterSigner;
}

From source file:eu.europa.ec.markt.dss.signature.cades.CadesLevelBaselineLTATimestampExtractor.java

License:Open Source License

/**
 * The field unsignedAttrsHashIndex is a sequence of octet strings. Each one contains the hash value of one
 * instance of Attribute within unsignedAttrs field of the SignerInfo. A hash value for every instance of
 * Attribute, as present at the time when the corresponding archive time-stamp is requested, shall be included in
 * unsignedAttrsHashIndex. No other hash values shall be included in this field.
 *
 * @param signerInformation//from ww w.j  ava2  s.  c o m
 * @return
 */
@SuppressWarnings("unchecked")
private ASN1Sequence getUnsignedAttributesHashIndex(SignerInformation signerInformation) throws DSSException {

    final ASN1EncodableVector unsignedAttributesHashIndex = new ASN1EncodableVector();
    AttributeTable unsignedAttributes = signerInformation.getUnsignedAttributes();
    final ASN1EncodableVector asn1EncodableVector = unsignedAttributes.toASN1EncodableVector();
    for (int i = 0; i < asn1EncodableVector.size(); i++) {
        final Attribute attribute = (Attribute) asn1EncodableVector.get(i);
        if (!excludedAttributesFromAtsHashIndex.contains(attribute.getAttrType())) {
            final DEROctetString derOctetStringDigest = getAttributeDerOctetStringHash(attribute);
            unsignedAttributesHashIndex.add(derOctetStringDigest);
        }
    }
    return new DERSequence(unsignedAttributesHashIndex);
}

From source file:eu.europa.ec.markt.dss.signature.cades.CadesLevelBaselineLTATimestampExtractor.java

License:Open Source License

/**
 * The field unsignedAttrsHashIndex is a sequence of octet strings. Each one contains the hash value of one
 * instance of Attribute within unsignedAttrs field of the SignerInfo. A hash value for every instance of
 * Attribute, as present at the time when the corresponding archive time-stamp is requested, shall be included in
 * unsignedAttrsHashIndex. No other hash values shall be included in this field.
 * <p/>//from  w w  w.j a  v  a  2 s  .  c om
 * We check that every hash attribute found in the timestamp token is found if the signerInformation.
 * <p/>
 * If there is more unsigned attributes in the signerInformation than present in the hash attributes list
 * (and there is at least the archiveTimestampAttributeV3), we don't report any error nor which attributes are signed by the timestamp.
 * If there is some attributes that are not present or altered in the signerInformation, we just return some empty sequence to make
 * sure that the timestamped data will not match. We do not report which attributes hash are present if any.
 * <p/>
 * If there is not attribute at all in the archive timestamp hash index, that would means we didn't check anything.
 *
 * @param signerInformation
 * @param timestampToken
 * @return
 */
@SuppressWarnings("unchecked")
private ASN1Sequence getVerifiedUnsignedAttributesHashIndex(SignerInformation signerInformation,
        TimestampToken timestampToken) throws DSSException {

    final ASN1Sequence unsignedAttributesHashes = getUnsignedAttributesHashIndex(timestampToken);
    final ArrayList<DEROctetString> timestampUnsignedAttributesHashesList = Collections
            .list(unsignedAttributesHashes.getObjects());

    AttributeTable unsignedAttributes = CAdESSignature.getUnsignedAttributes(signerInformation);
    final ASN1EncodableVector asn1EncodableVector = unsignedAttributes.toASN1EncodableVector();
    for (int i = 0; i < asn1EncodableVector.size(); i++) {
        final Attribute attribute = (Attribute) asn1EncodableVector.get(i);
        final DEROctetString derOctetStringDigest = getAttributeDerOctetStringHash(attribute);
        final ASN1ObjectIdentifier attrType = attribute.getAttrType();
        if (timestampUnsignedAttributesHashesList.remove(derOctetStringDigest)) {
            // attribute present in signature and in timestamp
            LOG.debug("Attribute {} present in timestamp", attrType.getId());
        } else {
            LOG.debug("Attribute {} not present in timestamp", attrType.getId());
        }
    }
    if (!timestampUnsignedAttributesHashesList.isEmpty()) {
        LOG.error("{} attribute hash in Timestamp have not been found in document attributes: {}",
                timestampUnsignedAttributesHashesList.size(), timestampUnsignedAttributesHashesList);
        // return a empty DERSequence to screw up the hash
        return new DERSequence();
    }
    // return the original DERSequence
    return unsignedAttributesHashes;
}