Example usage for org.bouncycastle.asn1 ASN1Integer getInstance

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 ASN1Integer getInstance.

Prototype

public static ASN1Integer getInstance(Object obj) 

Source Link

Document

Return an integer from the passed in object.

Usage

From source file:com.guardtime.asn1.CertToken.java

License:Apache License

public Asn1CertToken(ASN1Sequence seq) {
    Enumeration en = seq.getObjects();

    // Required elements
    version = ASN1Integer.getInstance(en.nextElement());
    history = ASN1OctetString.getInstance(en.nextElement());
    publishedData = Asn1PublishedData.getInstance(en.nextElement());
    pubReference = ASN1Set.getInstance(en.nextElement());

    // Optional elements
    while (en.hasMoreElements()) {
        ASN1TaggedObject obj = ASN1TaggedObject.getInstance(en.nextElement());
        if (obj.getTagNo() == 0 && extensions == null) {
            extensions = Extensions.getInstance(obj, true);
        } else {/*from  w w w .  j  a v a 2s  .  com*/
            throw new IllegalArgumentException("invalid object in factory: " + obj);
        }
    }
}

---

From source file:com.guardtime.asn1.CertTokenRequest.java

License:Apache License

public Asn1CertTokenRequest(ASN1Sequence seq) {
    Enumeration en = seq.getObjects();

    // Required elements
    version = ASN1Integer.getInstance(en.nextElement());
    historyIdentifier = ASN1Integer.getInstance(en.nextElement());

    // Optional elements
    while (en.hasMoreElements()) {
        ASN1TaggedObject obj = ASN1TaggedObject.getInstance(en.nextElement());
        if (obj.getTagNo() == 0 && extensions == null) {
            extensions = Extensions.getInstance(obj, true);
        } else {/*from  w  w w.j a va2s  . c  o m*/
            throw new IllegalArgumentException("invalid object in factory: " + obj);
        }
    }
}

---

From source file:com.guardtime.asn1.PublishedData.java

License:Apache License

public Asn1PublishedData(ASN1Sequence seq) {
    Enumeration en = seq.getObjects();

    // Required elements
    publicationIdentifier = ASN1Integer.getInstance(en.nextElement());
    publicationImprint = ASN1OctetString.getInstance(en.nextElement());

    // Extra elements (not allowed)
    if (en.hasMoreElements()) {
        throw new IllegalArgumentException("invalid object in factory: " + en.nextElement());
    }//from  w w  w .  j  a v  a2 s .c  om
}

---

From source file:com.vvote.thirdparty.ximix.util.BLSKeyStore.java

License:Apache License

/**
 * Load the key store object from the passed in PKCS#12 encoding, using the passed in password.
 *
 * @param password the password to unlock the key store.
 * @param encoding the ASN.1 encoded bytes representing the PKCS#12 store.
 * @throws IOException on a parsing error.
 * @throws GeneralSecurityException if there's an exception decrypting the store.
 *///from ww  w . ja  v a  2 s . c  o m
public synchronized void load(char[] password, byte[] encoding) throws IOException, GeneralSecurityException {
    try {
        PKCS12PfxPdu pfx = new PKCS12PfxPdu(encoding);
        InputDecryptorProvider inputDecryptorProvider = new JcePKCSPBEInputDecryptorProviderBuilder()
                .setProvider("BC").build(password);
        ContentInfo[] infos = pfx.getContentInfos();

        for (int i = 0; i != infos.length; i++) {
            if (infos[i].getContentType().equals(PKCSObjectIdentifiers.encryptedData)) {
                PKCS12SafeBagFactory dataFact = new PKCS12SafeBagFactory(infos[i], inputDecryptorProvider);

                PKCS12SafeBag[] bags = dataFact.getSafeBags();

                Attribute[] attributes = bags[0].getAttributes();

                X509CertificateHolder cert = (X509CertificateHolder) bags[0].getBagValue();

                String keyID = getKeyID(attributes);
                BLS01PublicKeyParameters publicKeyParameters = BLSPublicKeyFactory
                        .createKey(cert.getSubjectPublicKeyInfo());

                paramsMap.put(keyID, publicKeyParameters.getParameters());
                sequenceNoMap.put(keyID, ASN1Integer.getInstance(
                        cert.getExtension(XimixObjectIdentifiers.ximixShareIdExtension).getParsedValue())
                        .getValue().intValue());
                sharedPublicKeyMap.put(keyID, publicKeyParameters.getPk());

                if (KeyUsage.fromExtensions(cert.getExtensions()).hasUsages(KeyUsage.digitalSignature)) {
                    signingKeys.add(keyID);
                }
            } else {
                PKCS12SafeBagFactory dataFact = new PKCS12SafeBagFactory(infos[i]);

                PKCS12SafeBag[] bags = dataFact.getSafeBags();
                String keyID = getKeyID(bags[0].getAttributes());

                PKCS8EncryptedPrivateKeyInfo encInfo = (PKCS8EncryptedPrivateKeyInfo) bags[0].getBagValue();
                PrivateKeyInfo info = encInfo.decryptPrivateKeyInfo(inputDecryptorProvider);

                sharedPrivateKeyMap.put(keyID, ASN1Integer.getInstance(info.parsePrivateKey()).getValue());
            }
        }
    } catch (PKCSException e) {
        throw new GeneralSecurityException("Unable to load key store: " + e.getMessage(), e);
    }
}

---

From source file:com.vvote.thirdparty.ximix.util.PartialPublicKeyInfo.java

License:Apache License

private PartialPublicKeyInfo(ASN1Sequence seq) {
    this.sequenceNo = ASN1Integer.getInstance(seq.getObjectAt(0)).getValue().intValue();
    this.partialKeyInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(1));
}

---

From source file:es.gob.afirma.applet.CMSInformation.java

License:Open Source License

/**
 * Obtiene la información de diferentes tipos de formatos.
 * @param doj Etiqueta ASN.1 de la que se obtienen los datos.
 * @param envelopeType   Tipo de formato:
 * <li>0: EnvelopedData</li>
 * <li>1: AuthenticatedData</li>
 * <li>2: AuthEnvelopedData</li>
 * <li>3: SignedAndEnvelopedData</li>
 * <li>4: SignedData</li>// w w w . j a va 2 s . c  o  m
 * <li>5: Encrypted</li>
 * @param tipoDetalle   Tipo de datos (literal)
 * @param signBinaryType Tipo de firmado binario (CADES o CMS)
 * @return  Representaci&oacute;n de los datos.
 */
private static String extractData(final ASN1TaggedObject doj, final int envelopeType, final String tipoDetalle,
        final int signBinaryType) {
    String detalle = ""; //$NON-NLS-1$
    detalle = detalle + tipoDetalle + CR;

    ASN1Set rins = null;
    EncryptedContentInfo encryptedContentInfo = null;
    ASN1Set unprotectedAttrs = null;
    ASN1Integer version = null;
    AlgorithmIdentifier aid = null;
    ContentInfo ci = null;
    ASN1Set authAttrs = null;
    ASN1Set ds = null;
    ASN1Set signerInfosSd = null;

    switch (envelopeType) {
    case TYPE_ENVELOPED_DATA:
        final EnvelopedData enveloped = EnvelopedData.getInstance(doj.getObject());
        version = enveloped.getVersion();
        rins = enveloped.getRecipientInfos();
        encryptedContentInfo = enveloped.getEncryptedContentInfo();
        unprotectedAttrs = enveloped.getUnprotectedAttrs();
        break;
    case TYPE_AUTHENTICATED_DATA:
        final AuthenticatedData authenticated = AuthenticatedData.getInstance(doj.getObject());
        version = authenticated.getVersion();
        rins = authenticated.getRecipientInfos();
        aid = authenticated.getMacAlgorithm();
        ci = authenticated.getEncapsulatedContentInfo();
        authAttrs = authenticated.getAuthAttrs();
        unprotectedAttrs = authenticated.getUnauthAttrs();
        break;
    case TYPE_AUTHENTICATED_ENVELOPED_DATA:
        final AuthEnvelopedData authEnveloped = AuthEnvelopedData.getInstance(doj.getObject());
        version = authEnveloped.getVersion();
        rins = authEnveloped.getRecipientInfos();
        encryptedContentInfo = authEnveloped.getAuthEncryptedContentInfo();
        authAttrs = authEnveloped.getAuthAttrs();
        unprotectedAttrs = authEnveloped.getUnauthAttrs();
        break;
    case TYPE_SIGNED_ENVELOPED_DATA:
        final SignedAndEnvelopedData signedEnv = new SignedAndEnvelopedData((ASN1Sequence) doj.getObject());
        version = signedEnv.getVersion();
        rins = signedEnv.getRecipientInfos();
        encryptedContentInfo = signedEnv.getEncryptedContentInfo();
        signerInfosSd = signedEnv.getSignerInfos();
        break;
    case TYPE_SIGNED_DATA:
        final SignedData signed = SignedData.getInstance(doj.getObject());
        version = signed.getVersion();
        ds = signed.getDigestAlgorithms();
        ci = signed.getEncapContentInfo();
        signerInfosSd = signed.getSignerInfos();
        break;
    case TYPE_ENCRYPTED_DATA:
        final ASN1Sequence encrypted = (ASN1Sequence) doj.getObject();
        version = ASN1Integer.getInstance(encrypted.getObjectAt(0));
        encryptedContentInfo = EncryptedContentInfo.getInstance(encrypted.getObjectAt(1));
        if (encrypted.size() == 3) {
            unprotectedAttrs = (ASN1Set) encrypted.getObjectAt(2);
        }
        break;
    default:
        throw new IllegalArgumentException("Tipo de sobre no soportado: " + envelopeType); //$NON-NLS-1$
    }

    //obtenemos la version
    detalle = detalle + AppletMessages.getString("CMSInformation.1") + SP + version + CR; //$NON-NLS-1$

    //recipientInfo
    if (rins != null) {
        if (envelopeType != TYPE_SIGNED_DATA && envelopeType != TYPE_ENCRYPTED_DATA && rins.size() > 0) {
            detalle = detalle + AppletMessages.getString("CMSInformation.13") + CR; //$NON-NLS-1$
        }
        for (int i = 0; i < rins.size(); i++) {
            final KeyTransRecipientInfo kti = KeyTransRecipientInfo
                    .getInstance(RecipientInfo.getInstance(rins.getObjectAt(i)).getInfo());
            detalle = detalle + AppletMessages.getString("CMSInformation.14") + SP + (i + 1) + ":" + CR; //$NON-NLS-1$//$NON-NLS-2$
            final AlgorithmIdentifier diAlg = kti.getKeyEncryptionAlgorithm();

            //issuer y serial
            final IssuerAndSerialNumber iss = (IssuerAndSerialNumber) SignerIdentifier
                    .getInstance(kti.getRecipientIdentifier().getId()).getId();
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.15") + SP //$NON-NLS-1$
                    + iss.getName().toString() + CR;
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.16") + SP + iss.getSerialNumber() //$NON-NLS-1$
                    + CR;

            // el algoritmo de cifrado de los datos
            AOCipherAlgorithm algorithm = null;
            final AOCipherAlgorithm[] algos = AOCipherAlgorithm.values();

            // obtenemos el algoritmo usado para cifrar la pass
            for (final AOCipherAlgorithm algo : algos) {
                if (algo.getOid().equals(diAlg.getAlgorithm().toString())) {
                    algorithm = algo;
                }
            }
            if (algorithm != null) {
                detalle = detalle + TB + AppletMessages.getString("CMSInformation.17") + SP //$NON-NLS-1$
                        + algorithm.getName() + CR;
            } else {
                detalle = detalle + TB + AppletMessages.getString("CMSInformation.18") + SP //$NON-NLS-1$
                        + diAlg.getAlgorithm() + CR;
            }
        }
    }

    if (envelopeType == TYPE_ENVELOPED_DATA || envelopeType == TYPE_ENCRYPTED_DATA) {
        //obtenemos datos de los datos cifrados.
        detalle = detalle + AppletMessages.getString("CMSInformation.19") + CR; //$NON-NLS-1$
        detalle = detalle + getEncryptedContentInfo(encryptedContentInfo);
    } else if (envelopeType == TYPE_AUTHENTICATED_DATA && aid != null && ci != null) {
        // mac algorithm
        detalle = detalle + AppletMessages.getString("CMSInformation.20") + SP + aid.getAlgorithm() + CR; //$NON-NLS-1$

        //digestAlgorithm
        final ASN1Sequence seq = (ASN1Sequence) doj.getObject();
        final ASN1TaggedObject da = (ASN1TaggedObject) seq.getObjectAt(4);
        final AlgorithmIdentifier dai = AlgorithmIdentifier.getInstance(da.getObject());
        detalle = detalle + AppletMessages.getString("CMSInformation.21") + SP + dai.getAlgorithm() + CR; //$NON-NLS-1$

        //obtenemos datos de los datos cifrados.
        detalle = detalle + AppletMessages.getString("CMSInformation.22") + SP + ci.getContentType() + CR; //$NON-NLS-1$

        detalle = getObligatorieAtrib(signBinaryType, detalle, authAttrs);
    } else if (envelopeType == TYPE_AUTHENTICATED_ENVELOPED_DATA) {
        detalle = detalle + AppletMessages.getString("CMSInformation.19") + CR; //$NON-NLS-1$
        detalle = detalle + getEncryptedContentInfo(encryptedContentInfo);

        detalle = getObligatorieAtrib(signBinaryType, detalle, authAttrs);
    } else if (envelopeType == TYPE_SIGNED_ENVELOPED_DATA) {
        //algoritmo de firma
        final ASN1Sequence seq = (ASN1Sequence) doj.getObject();
        final ASN1Set da = (ASN1Set) seq.getObjectAt(2);
        final AlgorithmIdentifier dai = AlgorithmIdentifier.getInstance(da.getObjectAt(0));
        detalle = detalle + AppletMessages.getString("CMSInformation.21") + SP + dai.getAlgorithm() + CR; //$NON-NLS-1$

        //obtenemos datos de los datos cifrados.
        detalle = detalle + AppletMessages.getString("CMSInformation.19") + CR; //$NON-NLS-1$
        detalle = detalle + getEncryptedContentInfo(encryptedContentInfo);
    } else if (envelopeType == TYPE_SIGNED_DATA && ci != null && ds != null) {
        //algoritmo de firma
        final AlgorithmIdentifier dai = AlgorithmIdentifier.getInstance(ds.getObjectAt(0));
        detalle = detalle + AppletMessages.getString("CMSInformation.21") + SP + dai.getAlgorithm() + CR; //$NON-NLS-1$
        detalle = detalle + AppletMessages.getString("CMSInformation.22") + SP + ci.getContentType() + CR; //$NON-NLS-1$
    }

    //obtenemos lo atributos opcionales
    if (envelopeType != TYPE_SIGNED_ENVELOPED_DATA) {
        if (unprotectedAttrs == null) {
            detalle = detalle + AppletMessages.getString("CMSInformation.28") + CR; //$NON-NLS-1$
        } else {
            final String atributos = getUnSignedAttributes(unprotectedAttrs.getObjects());
            detalle = detalle + AppletMessages.getString("CMSInformation.29") + CR; //$NON-NLS-1$
            detalle = detalle + atributos;
        }
    } else if ((envelopeType == TYPE_SIGNED_ENVELOPED_DATA || envelopeType == TYPE_SIGNED_DATA)
            && signerInfosSd != null) {
        //obtenemos el(los) firmate(s)
        if (signerInfosSd.size() > 0) {
            detalle = detalle + AppletMessages.getString("CMSInformation.30") + CR; //$NON-NLS-1$
        }
        for (int i = 0; i < signerInfosSd.size(); i++) {
            final SignerInfo si = SignerInfo.getInstance(signerInfosSd.getObjectAt(i));

            detalle = detalle + AppletMessages.getString("CMSInformation.31") + SP + (i + 1) + ":" + CR; //$NON-NLS-1$//$NON-NLS-2$
            // version
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.1") + SP + si.getVersion() + CR; //$NON-NLS-1$
            //signerIdentifier
            final SignerIdentifier sident = si.getSID();
            final IssuerAndSerialNumber iss = IssuerAndSerialNumber.getInstance(sident.getId());
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.15") + SP //$NON-NLS-1$
                    + iss.getName().toString() + CR;
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.16") + SP + iss.getSerialNumber() //$NON-NLS-1$
                    + CR;

            //digestAlgorithm
            final AlgorithmIdentifier algId = si.getDigestAlgorithm();
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.35") + SP + algId.getAlgorithm() //$NON-NLS-1$
                    + CR;

            //obtenemos lo atributos obligatorios
            final ASN1Set sa = si.getAuthenticatedAttributes();
            String satributes = ""; //$NON-NLS-1$
            if (sa != null) {
                satributes = getsignedAttributes(sa, signBinaryType);
            }
            detalle = detalle + TB + AppletMessages.getString("CMSInformation.36") + CR; //$NON-NLS-1$
            detalle = detalle + satributes;
        }
    }
    return detalle;
}

---

From source file:es.gob.afirma.envelopers.cms.ValidateCMS.java

License:Open Source License

/** Método que verifica que es una firma de tipo "Encrypted data"
 * @param data/*from  w  w w .  jav a  2s. co m*/
 *        Datos CMS.
 * @return si es de este tipo. */
static boolean isCMSEncryptedData(final byte[] data) {
    boolean isValid = true;
    try {
        final ASN1InputStream is = new ASN1InputStream(data);
        final ASN1Sequence dsq = (ASN1Sequence) is.readObject();
        is.close();
        final Enumeration<?> e = dsq.getObjects();
        // Elementos que contienen los elementos OID Data
        final ASN1ObjectIdentifier doi = (ASN1ObjectIdentifier) e.nextElement();
        if (!doi.equals(PKCSObjectIdentifiers.encryptedData)) {
            isValid = false;
        } else {
            // Contenido de Data
            final ASN1TaggedObject doj = (ASN1TaggedObject) e.nextElement();
            final ASN1Sequence asq = (ASN1Sequence) doj.getObject();

            /*
             * Si no es de tipo EncryptedData se pasa al manejo de la
             * excepcion
             */
            ASN1Integer.getInstance(asq.getObjectAt(0));
            EncryptedContentInfo.getInstance(asq.getObjectAt(1));
        }
    } catch (final Exception ex) {
        isValid = false;
    }

    return isValid;
}

---

From source file:es.gob.afirma.signers.cades.CAdESValidator.java

License:Open Source License

/** Verifica si los datos proporcionados se corresponden con una estructura de tipo <i>EncryptedData</i>.
 * @param data Datos PKCS#7/CMS/CAdES./* ww  w .  j  av  a  2 s . c om*/
 * @return <code>true</code> si los datos proporcionados se corresponden con una estructura de tipo <i>EncryptedData</i>,
 * <code>false</code> en caso contrario.
 * @throws IOException Si ocurren problemas relacionados con la lectura de los datos */
static boolean isCAdESEncryptedData(final byte[] data) throws IOException {
    boolean isValid = false;

    // LEEMOS EL FICHERO QUE NOS INTRODUCEN
    final ASN1InputStream is = new ASN1InputStream(data);
    final ASN1Sequence dsq;
    try {
        dsq = (ASN1Sequence) is.readObject();
    } catch (final Exception e) {
        // No es una secuencia valida
        return false;
    } finally {
        is.close();
    }
    final Enumeration<?> e = dsq.getObjects();

    // Elementos que contienen los elementos OID Data
    final ASN1ObjectIdentifier doi = (ASN1ObjectIdentifier) e.nextElement();
    if (doi.equals(PKCSObjectIdentifiers.encryptedData)) {
        isValid = true;
    }
    // Contenido de Data
    final ASN1TaggedObject doj = (ASN1TaggedObject) e.nextElement();

    final ASN1Sequence asq = (ASN1Sequence) doj.getObject();

    try {

        /* Los resultados de las llamadas no se usan, solo es para verificar que la
         * conversion ha sido correcta. De no ser asi, se pasaria al manejo
         * de la excepcion. */

        ASN1Integer.getInstance(asq.getObjectAt(0));
        EncryptedContentInfo.getInstance(asq.getObjectAt(1));

        if (asq.size() == 3) {
            asq.getObjectAt(2);
        }

    } catch (final Exception ex) {
        LOGGER.info("Los datos proporcionados no son de tipo EncryptedData: " + ex); //$NON-NLS-1$
        return false;
    }

    return isValid;
}

---

From source file:eu.europa.esig.dss.cades.signature.CAdESLevelBETSITS101733Test.java

License:Open Source License

@Override
protected void onDocumentSigned(byte[] byteArray) {
    try {// w  ww  .  ja v a2  s.co  m

        CAdESSignature signature = new CAdESSignature(byteArray);
        assertNotNull(signature.getCmsSignedData());

        ASN1InputStream asn1sInput = new ASN1InputStream(byteArray);
        ASN1Sequence asn1Seq = (ASN1Sequence) asn1sInput.readObject();

        logger.info("SEQ : " + asn1Seq.toString());

        assertEquals(2, asn1Seq.size());

        ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(asn1Seq.getObjectAt(0));
        assertEquals(PKCSObjectIdentifiers.signedData, oid);
        logger.info("OID : " + oid.toString());

        ASN1TaggedObject taggedObj = DERTaggedObject.getInstance(asn1Seq.getObjectAt(1));

        logger.info("TAGGED OBJ : " + taggedObj.toString());

        ASN1Primitive object = taggedObj.getObject();
        logger.info("OBJ : " + object.toString());

        SignedData signedData = SignedData.getInstance(object);
        logger.info("SIGNED DATA : " + signedData.toString());

        ASN1Set digestAlgorithms = signedData.getDigestAlgorithms();
        logger.info("DIGEST ALGOS : " + digestAlgorithms.toString());

        ContentInfo encapContentInfo = signedData.getEncapContentInfo();
        logger.info("ENCAPSULATED CONTENT INFO : " + encapContentInfo.getContentType() + " "
                + encapContentInfo.getContent());

        ASN1Set certificates = signedData.getCertificates();
        logger.info("CERTIFICATES (" + certificates.size() + ") : " + certificates);

        List<X509Certificate> foundCertificates = new ArrayList<X509Certificate>();
        for (int i = 0; i < certificates.size(); i++) {
            ASN1Sequence seqCertif = ASN1Sequence.getInstance(certificates.getObjectAt(i));
            logger.info("SEQ cert " + i + " : " + seqCertif);

            X509CertificateHolder certificateHolder = new X509CertificateHolder(seqCertif.getEncoded());
            CertificateToken certificate = DSSASN1Utils.getCertificate(certificateHolder);
            X509Certificate x509Certificate = certificate.getCertificate();
            x509Certificate.checkValidity();

            logger.info("Cert " + i + " : " + certificate);

            foundCertificates.add(x509Certificate);
        }

        ASN1Set crLs = signedData.getCRLs();
        logger.info("CRLs : " + crLs);

        ASN1Set signerInfosAsn1 = signedData.getSignerInfos();
        logger.info("SIGNER INFO ASN1 : " + signerInfosAsn1.toString());
        assertEquals(1, signerInfosAsn1.size());

        ASN1Sequence seqSignedInfo = ASN1Sequence.getInstance(signerInfosAsn1.getObjectAt(0));

        SignerInfo signedInfo = SignerInfo.getInstance(seqSignedInfo);
        logger.info("SIGNER INFO : " + signedInfo.toString());

        SignerIdentifier sid = signedInfo.getSID();
        logger.info("SIGNER IDENTIFIER : " + sid.getId());

        IssuerAndSerialNumber issuerAndSerialNumber = IssuerAndSerialNumber.getInstance(signedInfo.getSID());
        logger.info("ISSUER AND SN : " + issuerAndSerialNumber.toString());

        BigInteger serial = issuerAndSerialNumber.getSerialNumber().getValue();

        X509Certificate signerCertificate = null;
        for (X509Certificate x509Certificate : foundCertificates) {
            // TODO check issuer name
            if (serial.equals(x509Certificate.getSerialNumber())) {
                signerCertificate = x509Certificate;
            }
        }
        assertNotNull(signerCertificate);

        ASN1OctetString encryptedDigest = signedInfo.getEncryptedDigest();
        logger.info("ENCRYPT DIGEST : " + encryptedDigest.toString());

        ASN1Sequence seq = ASN1Sequence.getInstance(object);

        ASN1Integer version = ASN1Integer.getInstance(seq.getObjectAt(0));
        logger.info("VERSION : " + version.toString());

        ASN1Set digestManualSet = ASN1Set.getInstance(seq.getObjectAt(1));
        logger.info("DIGEST SET : " + digestManualSet.toString());
        assertEquals(digestAlgorithms, digestManualSet);

        ASN1Sequence seqDigest = ASN1Sequence.getInstance(digestManualSet.getObjectAt(0));
        // assertEquals(1, seqDigest.size());

        ASN1ObjectIdentifier oidDigestAlgo = ASN1ObjectIdentifier.getInstance(seqDigest.getObjectAt(0));
        assertEquals(new ASN1ObjectIdentifier(DigestAlgorithm.SHA256.getOid()), oidDigestAlgo);

        ASN1Sequence seqEncapsulatedInfo = ASN1Sequence.getInstance(seq.getObjectAt(2));
        logger.info("ENCAPSULATED INFO : " + seqEncapsulatedInfo.toString());

        ASN1ObjectIdentifier oidContentType = ASN1ObjectIdentifier
                .getInstance(seqEncapsulatedInfo.getObjectAt(0));
        logger.info("OID CONTENT TYPE : " + oidContentType.toString());

        ASN1TaggedObject taggedContent = DERTaggedObject.getInstance(seqEncapsulatedInfo.getObjectAt(1));

        ASN1OctetString contentOctetString = ASN1OctetString.getInstance(taggedContent.getObject());
        String content = new String(contentOctetString.getOctets());
        assertEquals(HELLO_WORLD, content);
        logger.info("CONTENT : " + content);

        byte[] digest = DSSUtils.digest(DigestAlgorithm.SHA256, HELLO_WORLD.getBytes());
        String encodeHexDigest = Hex.toHexString(digest);
        logger.info("CONTENT DIGEST COMPUTED : " + encodeHexDigest);

        ASN1Set authenticatedAttributes = signedInfo.getAuthenticatedAttributes();
        logger.info("AUTHENTICATED ATTRIBUTES : " + authenticatedAttributes.toString());

        // ASN1Sequence seqAuthAttrib = ASN1Sequence.getInstance(authenticatedAttributes.getObjectAt(0));

        logger.info("Nb Auth Attributes : " + authenticatedAttributes.size());

        String embeddedDigest = "";
        for (int i = 0; i < authenticatedAttributes.size(); i++) {
            ASN1Sequence authAttrSeq = ASN1Sequence.getInstance(authenticatedAttributes.getObjectAt(i));
            logger.info(authAttrSeq.toString());
            ASN1ObjectIdentifier attrOid = ASN1ObjectIdentifier.getInstance(authAttrSeq.getObjectAt(0));
            if (PKCSObjectIdentifiers.pkcs_9_at_messageDigest.equals(attrOid)) {
                ASN1Set setMessageDigest = ASN1Set.getInstance(authAttrSeq.getObjectAt(1));
                ASN1OctetString asn1ObjString = ASN1OctetString.getInstance(setMessageDigest.getObjectAt(0));
                embeddedDigest = Hex.toHexString(asn1ObjString.getOctets());
            }
        }
        assertEquals(encodeHexDigest, embeddedDigest);

        ASN1OctetString encryptedInfoOctedString = signedInfo.getEncryptedDigest();
        String signatureValue = Hex.toHexString(encryptedInfoOctedString.getOctets());

        logger.info("SIGNATURE VALUE : " + signatureValue);

        Cipher cipher = Cipher.getInstance("RSA");
        cipher.init(Cipher.DECRYPT_MODE, signerCertificate);
        byte[] decrypted = cipher.doFinal(encryptedInfoOctedString.getOctets());

        ASN1InputStream inputDecrypted = new ASN1InputStream(decrypted);

        ASN1Sequence seqDecrypt = (ASN1Sequence) inputDecrypted.readObject();
        logger.info("Decrypted : " + seqDecrypt);

        DigestInfo digestInfo = new DigestInfo(seqDecrypt);
        assertEquals(oidDigestAlgo, digestInfo.getAlgorithmId().getAlgorithm());

        String decryptedDigestEncodeBase64 = Utils.toBase64(digestInfo.getDigest());
        logger.info("Decrypted Base64 : " + decryptedDigestEncodeBase64);

        byte[] encoded = signedInfo.getAuthenticatedAttributes().getEncoded();
        MessageDigest messageDigest = MessageDigest.getInstance(DigestAlgorithm.SHA256.getName());
        byte[] digestOfAuthenticatedAttributes = messageDigest.digest(encoded);

        String computedDigestEncodeBase64 = Utils.toBase64(digestOfAuthenticatedAttributes);
        logger.info("Computed Base64 : " + computedDigestEncodeBase64);

        assertEquals(decryptedDigestEncodeBase64, computedDigestEncodeBase64);

        Utils.closeQuietly(asn1sInput);
        Utils.closeQuietly(inputDecrypted);
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        fail(e.getMessage());
    }
}

---

From source file:eu.europa.esig.dss.cades.signature.CAdESLevelBTest.java

License:Open Source License

@Override
protected void onDocumentSigned(byte[] byteArray) {
    try {//from  ww w.  j a va2 s  .  c  o m

        CAdESSignature signature = new CAdESSignature(byteArray);
        assertNotNull(signature.getCmsSignedData());

        ASN1InputStream asn1sInput = new ASN1InputStream(byteArray);
        ASN1Sequence asn1Seq = (ASN1Sequence) asn1sInput.readObject();

        logger.info("SEQ : " + asn1Seq.toString());

        assertEquals(2, asn1Seq.size());

        ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(asn1Seq.getObjectAt(0));
        assertEquals(PKCSObjectIdentifiers.signedData, oid);
        logger.info("OID : " + oid.toString());

        ASN1TaggedObject taggedObj = DERTaggedObject.getInstance(asn1Seq.getObjectAt(1));

        logger.info("TAGGED OBJ : " + taggedObj.toString());

        ASN1Primitive object = taggedObj.getObject();
        logger.info("OBJ : " + object.toString());

        SignedData signedData = SignedData.getInstance(object);
        logger.info("SIGNED DATA : " + signedData.toString());

        ASN1Set digestAlgorithms = signedData.getDigestAlgorithms();
        logger.info("DIGEST ALGOS : " + digestAlgorithms.toString());

        ContentInfo encapContentInfo = signedData.getEncapContentInfo();
        logger.info("ENCAPSULATED CONTENT INFO : " + encapContentInfo.getContentType() + " "
                + encapContentInfo.getContent());

        ASN1Set certificates = signedData.getCertificates();
        logger.info("CERTIFICATES (" + certificates.size() + ") : " + certificates);

        List<X509Certificate> foundCertificates = new ArrayList<X509Certificate>();
        for (int i = 0; i < certificates.size(); i++) {
            ASN1Sequence seqCertif = ASN1Sequence.getInstance(certificates.getObjectAt(i));
            logger.info("SEQ cert " + i + " : " + seqCertif);

            X509CertificateHolder certificateHolder = new X509CertificateHolder(seqCertif.getEncoded());
            X509Certificate certificate = new JcaX509CertificateConverter()
                    .setProvider(BouncyCastleProvider.PROVIDER_NAME).getCertificate(certificateHolder);

            certificate.checkValidity();

            logger.info("Cert " + i + " : " + certificate);

            foundCertificates.add(certificate);
        }

        ASN1Set crLs = signedData.getCRLs();
        logger.info("CRLs : " + crLs);

        ASN1Set signerInfosAsn1 = signedData.getSignerInfos();
        logger.info("SIGNER INFO ASN1 : " + signerInfosAsn1.toString());
        assertEquals(1, signerInfosAsn1.size());

        ASN1Sequence seqSignedInfo = ASN1Sequence.getInstance(signerInfosAsn1.getObjectAt(0));

        SignerInfo signedInfo = SignerInfo.getInstance(seqSignedInfo);
        logger.info("SIGNER INFO : " + signedInfo.toString());

        SignerIdentifier sid = signedInfo.getSID();
        logger.info("SIGNER IDENTIFIER : " + sid.getId());

        IssuerAndSerialNumber issuerAndSerialNumber = IssuerAndSerialNumber.getInstance(signedInfo.getSID());
        logger.info("ISSUER AND SN : " + issuerAndSerialNumber.toString());

        BigInteger serial = issuerAndSerialNumber.getSerialNumber().getValue();

        X509Certificate signerCertificate = null;
        for (X509Certificate x509Certificate : foundCertificates) {
            // TODO check issuer name
            if (serial.equals(x509Certificate.getSerialNumber())) {
                signerCertificate = x509Certificate;
            }
        }
        assertNotNull(signerCertificate);

        ASN1OctetString encryptedDigest = signedInfo.getEncryptedDigest();
        logger.info("ENCRYPT DIGEST : " + encryptedDigest.toString());

        ASN1Sequence seq = ASN1Sequence.getInstance(object);

        ASN1Integer version = ASN1Integer.getInstance(seq.getObjectAt(0));
        logger.info("VERSION : " + version.toString());

        ASN1Set digestManualSet = ASN1Set.getInstance(seq.getObjectAt(1));
        logger.info("DIGEST SET : " + digestManualSet.toString());
        assertEquals(digestAlgorithms, digestManualSet);

        ASN1Sequence seqDigest = ASN1Sequence.getInstance(digestManualSet.getObjectAt(0));
        // assertEquals(1, seqDigest.size());

        ASN1ObjectIdentifier oidDigestAlgo = ASN1ObjectIdentifier.getInstance(seqDigest.getObjectAt(0));
        assertEquals(new ASN1ObjectIdentifier(DigestAlgorithm.SHA256.getOid()), oidDigestAlgo);

        ASN1Sequence seqEncapsulatedInfo = ASN1Sequence.getInstance(seq.getObjectAt(2));
        logger.info("ENCAPSULATED INFO : " + seqEncapsulatedInfo.toString());

        ASN1ObjectIdentifier oidContentType = ASN1ObjectIdentifier
                .getInstance(seqEncapsulatedInfo.getObjectAt(0));
        logger.info("OID CONTENT TYPE : " + oidContentType.toString());

        ASN1TaggedObject taggedContent = DERTaggedObject.getInstance(seqEncapsulatedInfo.getObjectAt(1));

        ASN1OctetString contentOctetString = ASN1OctetString.getInstance(taggedContent.getObject());
        String content = new String(contentOctetString.getOctets());
        assertEquals(HELLO_WORLD, content);
        logger.info("CONTENT : " + content);

        byte[] digest = DSSUtils.digest(DigestAlgorithm.SHA256, HELLO_WORLD.getBytes());
        String encodeHexDigest = Hex.toHexString(digest);
        logger.info("CONTENT DIGEST COMPUTED : " + encodeHexDigest);

        ASN1Set authenticatedAttributes = signedInfo.getAuthenticatedAttributes();
        logger.info("AUTHENTICATED ATTRIBUTES : " + authenticatedAttributes.toString());

        // ASN1Sequence seqAuthAttrib = ASN1Sequence.getInstance(authenticatedAttributes.getObjectAt(0));

        logger.info("Nb Auth Attributes : " + authenticatedAttributes.size());

        String embeddedDigest = StringUtils.EMPTY;
        for (int i = 0; i < authenticatedAttributes.size(); i++) {
            ASN1Sequence authAttrSeq = ASN1Sequence.getInstance(authenticatedAttributes.getObjectAt(i));
            logger.info(authAttrSeq.toString());
            ASN1ObjectIdentifier attrOid = ASN1ObjectIdentifier.getInstance(authAttrSeq.getObjectAt(0));
            if (PKCSObjectIdentifiers.pkcs_9_at_messageDigest.equals(attrOid)) {
                ASN1Set setMessageDigest = ASN1Set.getInstance(authAttrSeq.getObjectAt(1));
                ASN1OctetString asn1ObjString = ASN1OctetString.getInstance(setMessageDigest.getObjectAt(0));
                embeddedDigest = Hex.toHexString(asn1ObjString.getOctets());
            }
        }
        assertEquals(encodeHexDigest, embeddedDigest);

        ASN1OctetString encryptedInfoOctedString = signedInfo.getEncryptedDigest();
        String signatureValue = Hex.toHexString(encryptedInfoOctedString.getOctets());

        logger.info("SIGNATURE VALUE : " + signatureValue);

        Cipher cipher = Cipher.getInstance("RSA");
        cipher.init(Cipher.DECRYPT_MODE, signerCertificate);
        byte[] decrypted = cipher.doFinal(encryptedInfoOctedString.getOctets());

        ASN1InputStream inputDecrypted = new ASN1InputStream(decrypted);

        ASN1Sequence seqDecrypt = (ASN1Sequence) inputDecrypted.readObject();
        logger.info("Decrypted : " + seqDecrypt);

        DigestInfo digestInfo = new DigestInfo(seqDecrypt);
        assertEquals(oidDigestAlgo, digestInfo.getAlgorithmId().getAlgorithm());

        String decryptedDigestEncodeBase64 = Base64.encodeBase64String(digestInfo.getDigest());
        logger.info("Decrypted Base64 : " + decryptedDigestEncodeBase64);

        byte[] encoded = signedInfo.getAuthenticatedAttributes().getEncoded();
        MessageDigest messageDigest = MessageDigest.getInstance(DigestAlgorithm.SHA256.getName());
        byte[] digestOfAuthenticatedAttributes = messageDigest.digest(encoded);

        String computedDigestEncodeBase64 = Base64.encodeBase64String(digestOfAuthenticatedAttributes);
        logger.info("Computed Base64 : " + computedDigestEncodeBase64);

        assertEquals(decryptedDigestEncodeBase64, computedDigestEncodeBase64);

        IOUtils.closeQuietly(asn1sInput);
        IOUtils.closeQuietly(inputDecrypted);
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        fail(e.getMessage());
    }
}

---

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