Example usage for org.bouncycastle.asn1.cms RecipientIdentifier RecipientIdentifier

List of usage examples for org.bouncycastle.asn1.cms RecipientIdentifier RecipientIdentifier

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Introduction

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

Prototype

public RecipientIdentifier(ASN1Primitive id)

Source Link

Usage

From source file:cljpdf.text.pdf.PdfPublicKeySecurityHandler.java

License:Mozilla Public License

private KeyTransRecipientInfo computeRecipientInfo(X509Certificate x509certificate, byte[] abyte0)
        throws GeneralSecurityException, IOException {
    ASN1InputStream asn1inputstream = new ASN1InputStream(
            new ByteArrayInputStream(x509certificate.getTBSCertificate()));
    TBSCertificateStructure tbscertificatestructure = TBSCertificateStructure
            .getInstance(asn1inputstream.readObject());
    AlgorithmIdentifier algorithmidentifier = tbscertificatestructure.getSubjectPublicKeyInfo()
            .getAlgorithmId();/*from   w  w  w.  j  a  v a2s .  c o  m*/
    IssuerAndSerialNumber issuerandserialnumber = new IssuerAndSerialNumber(tbscertificatestructure.getIssuer(),
            tbscertificatestructure.getSerialNumber().getValue());
    Cipher cipher = Cipher.getInstance(algorithmidentifier.getObjectId().getId());
    cipher.init(1, x509certificate);
    DEROctetString deroctetstring = new DEROctetString(cipher.doFinal(abyte0));
    RecipientIdentifier recipId = new RecipientIdentifier(issuerandserialnumber);
    return new KeyTransRecipientInfo(recipId, algorithmidentifier, deroctetstring);
}

From source file:com.itextpdf.kernel.crypto.securityhandler.PubKeySecurityHandler.java

License:Open Source License

private KeyTransRecipientInfo computeRecipientInfo(X509Certificate x509certificate, byte[] abyte0)
        throws GeneralSecurityException, IOException {
    ASN1InputStream asn1inputstream = new ASN1InputStream(
            new ByteArrayInputStream(x509certificate.getTBSCertificate()));
    TBSCertificateStructure tbscertificatestructure = TBSCertificateStructure
            .getInstance(asn1inputstream.readObject());
    assert tbscertificatestructure != null;
    AlgorithmIdentifier algorithmidentifier = tbscertificatestructure.getSubjectPublicKeyInfo().getAlgorithm();
    IssuerAndSerialNumber issuerandserialnumber = new IssuerAndSerialNumber(tbscertificatestructure.getIssuer(),
            tbscertificatestructure.getSerialNumber().getValue());
    byte[] cipheredBytes = EncryptionUtils.cipherBytes(x509certificate, abyte0, algorithmidentifier);
    DEROctetString deroctetstring = new DEROctetString(cipheredBytes);
    RecipientIdentifier recipId = new RecipientIdentifier(issuerandserialnumber);
    return new KeyTransRecipientInfo(recipId, algorithmidentifier, deroctetstring);
}

From source file:com.itextpdf.text.pdf.PdfPublicKeySecurityHandler.java

License:Open Source License

private KeyTransRecipientInfo computeRecipientInfo(X509Certificate x509certificate, byte[] abyte0)
        throws GeneralSecurityException, IOException {
    ASN1InputStream asn1inputstream = new ASN1InputStream(
            new ByteArrayInputStream(x509certificate.getTBSCertificate()));
    TBSCertificateStructure tbscertificatestructure = TBSCertificateStructure
            .getInstance(asn1inputstream.readObject());
    AlgorithmIdentifier algorithmidentifier = tbscertificatestructure.getSubjectPublicKeyInfo().getAlgorithm();
    IssuerAndSerialNumber issuerandserialnumber = new IssuerAndSerialNumber(tbscertificatestructure.getIssuer(),
            tbscertificatestructure.getSerialNumber().getValue());
    Cipher cipher = Cipher.getInstance(algorithmidentifier.getAlgorithm().getId());
    try {//from w  ww .j  a v  a2  s . c om
        cipher.init(1, x509certificate);
    } catch (InvalidKeyException e) {
        cipher.init(1, x509certificate.getPublicKey());
    }
    DEROctetString deroctetstring = new DEROctetString(cipher.doFinal(abyte0));
    RecipientIdentifier recipId = new RecipientIdentifier(issuerandserialnumber);
    return new KeyTransRecipientInfo(recipId, algorithmidentifier, deroctetstring);
}

From source file:es.gob.afirma.envelopers.cades.CAdESUtils.java

License:Open Source License

/** Obtiene un <code>Info</code> que contiene los RecipientInfos y el EncryptedContentInfo.
 * @param data Datos a incluir en el sobre
 * @param config Configuraci&oacute;n de cifrado a aplicar
 * @param certDest Certificados de los destinatarios
 * @param cipherKey Clave de cifrado/*from   ww  w .j  a va 2  s. c  o m*/
 * @return <code>Info</code> que contiene los RecipientInfos y el EncryptedContentInfo
 * @throws IOException en caso de error de entrada / salida
 * @throws CertificateEncodingException en caso de errores de codificaci&oacute;n en los certificados
 */
static Info getEnvelopeInfo(final byte[] data, final AOCipherConfig config, final X509Certificate[] certDest,
        final SecretKey cipherKey) throws IOException, CertificateEncodingException {

    // Reiniciamos las dos variables
    final Info infos = new Info();

    final ASN1EncodableVector recipientInfos = new ASN1EncodableVector();
    X509Certificate cert;
    TBSCertificateStructure tbs;
    IssuerAndSerialNumber isse;
    RecipientIdentifier rid;
    PublicKey pubKey;
    AlgorithmIdentifier keyEncAlg;
    SubjectPublicKeyInfo info;
    // Cifrado de la clave
    byte[] encryptedKey = null;
    // generamos el contenedor de cifrado

    RecipientInfo recipient = null;

    for (final X509Certificate element : certDest) {
        cert = element;
        tbs = TBSCertificateStructure.getInstance(ASN1Primitive.fromByteArray(cert.getTBSCertificate()));
        // Obtenemos el Isuer & serial number
        isse = new IssuerAndSerialNumber(X500Name.getInstance(tbs.getIssuer()),
                tbs.getSerialNumber().getValue());
        // Creamos el recipientInfo
        rid = new RecipientIdentifier(isse);
        // Obtenemos la clave publica
        pubKey = cert.getPublicKey();
        // obtenemos la informacion de la clave publica
        info = tbs.getSubjectPublicKeyInfo();
        // obtenemos el algoritmo de cifrado.
        keyEncAlg = info.getAlgorithm();

        try {
            // ciframos la clave
            encryptedKey = cipherKey(pubKey, cipherKey);
        } catch (final Exception e) {
            LOGGER.severe("Error durante el proceso cifrado de la clave: " + e); //$NON-NLS-1$
        }
        // creamos el recipiente con los datos del destinatario.
        final KeyTransRecipientInfo keyTransRecipientInfo = new KeyTransRecipientInfo(rid, keyEncAlg,
                new DEROctetString(encryptedKey));

        recipient = new RecipientInfo(keyTransRecipientInfo);
        // Lo a&ntilde;adimos al recipiente de destinatarios.
        recipientInfos.add(recipient);
    }

    // 3. ENCRIPTEDCONTENTINFO
    try {
        infos.setEncInfo(getEncryptedContentInfo(data, config, cipherKey));
    } catch (final Exception e) {
        LOGGER.severe("Error durante el proceso cifrado de la clave: " + e); //$NON-NLS-1$
    }

    infos.setRecipientInfos(recipientInfos);

    return infos;
}

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

License:Open Source License

/**
 * Crea la estructura interna para el ensobrado de datos.
 * @param data Datos que se desean ensobrar.
 * @param config Configraci&oacute;n para el cifrado.
 * @param certDest Certificados de los destinatarios del sobre.
 * @param cipherKey Clave para la identificaci&oacute;n del remitente..
 * @return Objeto con la informaci&oacute;n para la generaci&oacute;n del sobre.
 * @throws IOException Si ocurre alg&uacute;n problema leyendo o escribiendo los
 *         datos./*  w  w  w.  j a v  a2  s .  c o m*/
 * @throws CertificateEncodingException Si se produce alguna excepci&oacute;n
 *         con los certificados de los usuarios.
 * @throws IllegalBlockSizeException Cuando hay problemas internos con los tama&ntilde;os de bloque de cifrado.
 * @throws InvalidAlgorithmParameterException Si no se soporta un par&aacute;metro necesario para un algoritmo.
 * @throws NoSuchPaddingException Cuando no se soporta un tipo de relleno necesario.
 * @throws NoSuchAlgorithmException Cuando el JRE no soporta alg&uacute;n algoritmo necesario.
 * @throws InvalidKeyException Cuando hay problemas de adecuaci&oacute;n de la clave.
 * @throws BadPaddingException Cuando hay problemas con un relleno de datos. */
static Info initVariables(final byte[] data, final AOCipherConfig config, final X509Certificate[] certDest,
        final SecretKey cipherKey) throws CertificateEncodingException, IOException, InvalidKeyException,
        NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException,
        IllegalBlockSizeException, BadPaddingException {

    // Reiniciamos las dos variables
    final Info infos = new Info();

    final ASN1EncodableVector recipientInfos = new ASN1EncodableVector();

    for (final X509Certificate element : certDest) {

        final TBSCertificateStructure tbs = TBSCertificateStructure
                .getInstance(ASN1Primitive.fromByteArray(element.getTBSCertificate()));

        // creamos el recipiente con los datos del destinatario.
        final KeyTransRecipientInfo keyTransRecipientInfo = new KeyTransRecipientInfo(
                // Creamos el recipientInfo
                new RecipientIdentifier(
                        // Obtenemos el issuer & serial number
                        new IssuerAndSerialNumber(X500Name.getInstance(tbs.getIssuer()),
                                tbs.getSerialNumber().getValue())),
                // obtenemos el algoritmo de cifrado (RSA / DSA).
                tbs.getSubjectPublicKeyInfo().getAlgorithm(), new DEROctetString(cipherKey(
                        // Obtenemos la clave publica
                        element.getPublicKey(), cipherKey)));

        // Lo anadimos al recipiente de destinatarios.
        recipientInfos.add(new RecipientInfo(keyTransRecipientInfo));
    }

    // 3. ENCRIPTEDCONTENTINFO
    infos.setEncInfo(getEncryptedContentInfo(data, config, cipherKey));

    infos.setRecipientInfos(recipientInfos);

    return infos;
}

From source file:org.apache.pdfbox.pdmodel.encryption.PublicKeySecurityHandler.java

License:Apache License

private KeyTransRecipientInfo computeRecipientInfo(X509Certificate x509certificate, byte[] abyte0)
        throws GeneralSecurityException, IOException {
    ASN1InputStream asn1inputstream = new ASN1InputStream(
            new ByteArrayInputStream(x509certificate.getTBSCertificate()));
    TBSCertificateStructure tbscertificatestructure = TBSCertificateStructure
            .getInstance(asn1inputstream.readObject());
    AlgorithmIdentifier algorithmidentifier = tbscertificatestructure.getSubjectPublicKeyInfo()
            .getAlgorithmId();//from   w  ww.  jav  a2  s. c om
    IssuerAndSerialNumber issuerandserialnumber = new IssuerAndSerialNumber(tbscertificatestructure.getIssuer(),
            tbscertificatestructure.getSerialNumber().getValue());
    Cipher cipher = Cipher.getInstance(algorithmidentifier.getObjectId().getId());
    cipher.init(1, x509certificate.getPublicKey());
    DEROctetString deroctetstring = new DEROctetString(cipher.doFinal(abyte0));
    RecipientIdentifier recipId = new RecipientIdentifier(issuerandserialnumber);
    return new KeyTransRecipientInfo(recipId, algorithmidentifier, deroctetstring);
}