List of usage examples for org.bouncycastle.asn1.cms KeyTransRecipientInfo getKeyEncryptionAlgorithm
public AlgorithmIdentifier getKeyEncryptionAlgorithm()
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>/*from w ww . j a v a 2 s . c om*/ * <li>5: Encrypted</li> * @param tipoDetalle Tipo de datos (literal) * @param signBinaryType Tipo de firmado binario (CADES o CMS) * @return Representación 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.Utils.java
License:Open Source License
/** Obtiene los parámetros de los certificados. * @param userCert Certificado del usuario * @param elementRecipient Listado de destinatarios * @return Parámetros de los certificados (<code>EncryptedKeyDatas</code>). * @throws AOInvalidRecipientException Si el destinatario es inválido por cualquier motivo. * @throws IOException Cuando hay problemas de entrada / salida. * @throws CertificateEncodingException Si hay problemas con la codificación de los certificados. */ static EncryptedKeyDatas fetchEncryptedKeyDatas(final X509Certificate userCert, final Enumeration<?> elementRecipient) throws AOInvalidRecipientException, IOException, CertificateEncodingException { final EncryptedKeyDatas encryptedKeyDatas = new EncryptedKeyDatas(); AlgorithmIdentifier algEncryptedKey = null; byte[] encryptedKey = null; // Obtenemos los datos del certificado destino. IssuerAndSerialNumber isse;/*from ww w . j av a 2s . co m*/ TBSCertificateStructure tbs = null; tbs = TBSCertificateStructure.getInstance(ASN1Primitive.fromByteArray(userCert.getTBSCertificate())); // Obtenemos el Isuer & serial number isse = new IssuerAndSerialNumber(X500Name.getInstance(tbs.getIssuer()), tbs.getSerialNumber().getValue()); // obtenesmos los recipientInfo. RecipientInfo reci = null; while (elementRecipient.hasMoreElements()) { // obtengo los recipientInfo final ASN1Sequence intermedio = (ASN1Sequence) elementRecipient.nextElement(); reci = RecipientInfo.getInstance(intermedio); final KeyTransRecipientInfo kri = KeyTransRecipientInfo.getInstance(reci.toASN1Primitive()); final IssuerAndSerialNumber actual = IssuerAndSerialNumber .getInstance(kri.getRecipientIdentifier().toASN1Primitive()); // Comparo el issuer y el serial number con el certificado que me // pasan para descifrar. if (actual.equals(isse)) { // Obtengo los datos para descifrar. encryptedKey = kri.getEncryptedKey().getOctets(); algEncryptedKey = kri.getKeyEncryptionAlgorithm(); } } // si no se encuentran coincidencias es tonteria continuar. if (encryptedKey == null || algEncryptedKey == null) { throw new AOInvalidRecipientException( "El usuario indicado no es uno de los destinatarios del sobre digital"); //$NON-NLS-1$ } encryptedKeyDatas.setAlgEncryptedKey(algEncryptedKey); encryptedKeyDatas.setEncryptedKey(encryptedKey); return encryptedKeyDatas; }