Example usage for org.bouncycastle.asn1.cms CMSObjectIdentifiers compressedData

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.cms CMSObjectIdentifiers compressedData.

Prototype

ASN1ObjectIdentifier compressedData

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Document

PKCS#9: 1.2.840.113549.1.9.16.1.9 -- smime ct compressedData

Usage

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

License:Open Source License

/**
 * Método principal que obtiene la información a partir de un fichero firmado
 * de tipo CMS./*from  www  . j a v  a 2 s.  co  m*/
 * @param data Objeto CMS.
 * @return Texto descriptivo del objeto CMS.
 * @throws IOException Si ocurre algún problema leyendo o escribiendo los datos
 * @throws AOInvalidFormatException Error de formato no válido.
 */
static String getInformation(final byte[] data) throws IOException, AOInvalidFormatException {

    final ASN1InputStream is = new ASN1InputStream(data);

    // LEEMOS EL FICHERO QUE NOS INTRODUCEN
    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();

    // Contenido a obtener informacion
    final ASN1TaggedObject doj = (ASN1TaggedObject) e.nextElement();

    final String datos;
    if (doi.equals(PKCSObjectIdentifiers.data)) {
        datos = AppletMessages.getString("CMSInformation.0") + SP + DATA + CR; //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.digestedData)) {
        datos = getFromDigestedData(doj);
    } else if (doi.equals(PKCSObjectIdentifiers.encryptedData)) {

        datos = extractData(doj, TYPE_ENCRYPTED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + ENCRYPTED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.signedData)) {
        datos = extractData(doj, TYPE_SIGNED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + SIGNED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.envelopedData)) {
        datos = extractData(doj, TYPE_ENVELOPED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + ENVELOPED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.signedAndEnvelopedData)) {
        datos = extractData(doj, TYPE_SIGNED_ENVELOPED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + SIGNED_ENVELOPED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.id_ct_authData)) {
        datos = extractData(doj, TYPE_AUTHENTICATED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + AUTHENTICATED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(PKCSObjectIdentifiers.id_ct_authEnvelopedData)) {
        datos = extractData(doj, TYPE_AUTHENTICATED_ENVELOPED_DATA,
                AppletMessages.getString("CMSInformation.0") + SP + AUTH_ENVELOPED_DATA, BINARY_SIGN_CMS); //$NON-NLS-1$
    } else if (doi.equals(CMSObjectIdentifiers.compressedData)) {
        datos = getFromCompressedData(doj);
    } else {
        throw new AOInvalidFormatException(
                "Los datos introducidos no se corresponden con un tipo de objeto CMS soportado"); //$NON-NLS-1$
    }

    return datos;
}

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

License:Open Source License

/** Obtiene un tipo CompressedData.
 * @param data/*from  w w w  .j  ava2s  .  c o  m*/
 *        Datos a comprimir
 * @return Tipo CompressedData.
 * @throws IOException En caso de error en la lectura o tratamiento de datos */
static byte[] genCompressedData(final byte[] data) throws IOException {

    // Algoritmo de compresion
    final AlgorithmIdentifier comAlgId = new AlgorithmIdentifier(new ASN1ObjectIdentifier(ZLIB));

    // Se comprimen los datos
    final byte[] compressed = BinaryUtils.compress(data);

    final ASN1OctetString comOcts = new BEROctetString(compressed);

    // Contenido comprimido
    final ContentInfo comContent = new ContentInfo(CMSObjectIdentifiers.data, comOcts);

    return new ContentInfo(CMSObjectIdentifiers.compressedData, new CompressedData(comAlgId, comContent))
            .getEncoded(ASN1Encoding.DER);

}

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

License:Open Source License

/** Método que verifica que es una firma de tipo "CompressedData"
 * @param data/*from   w  w w.ja  va  2 s .  c om*/
 *        Datos CMS.
 * @return si es de este tipo. */
static boolean isCMSCompressedData(final byte[] data) {
    boolean isValid = true;
    try {
        // Leemos el fichero que contiene la firma.
        final ASN1InputStream is = new ASN1InputStream(data);
        // Comenzamos a obtener los datos.
        final ASN1Sequence dsq = (ASN1Sequence) is.readObject();
        is.close();
        final Enumeration<?> e = dsq.getObjects();
        // Elementos que contienen los elementos OID CompressedData.
        final ASN1ObjectIdentifier doi = (ASN1ObjectIdentifier) e.nextElement();
        if (!doi.equals(CMSObjectIdentifiers.compressedData)) {
            isValid = false;
        } else {
            // Contenido de CompressedData
            final ASN1TaggedObject doj = (ASN1TaggedObject) e.nextElement();
            final ASN1Sequence compressedData = (ASN1Sequence) doj.getObject();
            CompressedData.getInstance(compressedData);
        }
    } catch (final Exception ex) {
        isValid = false;
    }
    return isValid;
}

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From source file:mitm.common.security.cms.CMSContentTypeClassifier.java

License:Open Source License

/**
 * Returns the CMS content type of the provided sequence.
 * //from ww w. jav a  2 s  . com
 * See RFC3852 for content types
 * 
 * @param sequenceParser
 * @return
 */
public static CMSContentType getContentType(ASN1SequenceParser sequenceParser) {
    CMSContentType contentType = CMSContentType.UNKNOWN;

    try {
        ContentInfoParser contentInfoParser = new ContentInfoParser(sequenceParser);

        DERObjectIdentifier derContentType = contentInfoParser.getContentType();

        if (CMSObjectIdentifiers.data.equals(derContentType)) {
            contentType = CMSContentType.DATA;
        } else if (CMSObjectIdentifiers.signedData.equals(derContentType)) {
            contentType = CMSContentType.SIGNEDDATA;
        } else if (CMSObjectIdentifiers.envelopedData.equals(derContentType)) {
            contentType = CMSContentType.ENVELOPEDDATA;
        } else if (CMSObjectIdentifiers.signedAndEnvelopedData.equals(derContentType)) {
            contentType = CMSContentType.SIGNEDANDENVELOPEDDATA;
        } else if (CMSObjectIdentifiers.digestedData.equals(derContentType)) {
            contentType = CMSContentType.DIGESTEDDATA;
        } else if (CMSObjectIdentifiers.encryptedData.equals(derContentType)) {
            contentType = CMSContentType.ENCRYPTEDDATA;
        } else if (CMSObjectIdentifiers.compressedData.equals(derContentType)) {
            contentType = CMSContentType.COMPRESSEDDATA;
        }
    } catch (IOException e) {
        logger.error("IOException retrieving CMS content type", e);
    }
    return contentType;
}

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