Examples with ASN1UTCTime com.github.zhenwei.core.asn1.ASN1UTCTime used on opensource projects

Example 6 with ASN1UTCTime

use of com.github.zhenwei.core.asn1.ASN1UTCTime in project ldapsdk by pingidentity.

the class X509Certificate method encodeValiditySequence.

/**
 * Encodes the certificate validity sequence, using a UTC time encoding if
 * both notBefore and notAfter values fall within the range 1950-2049, and
 * using generalized time if either value falls outside that range.
 *
 * @param  notBefore  The notBefore value to include in the sequence.
 * @param  notAfter   The notAfter value to include in the sequence.
 *
 * @return  The encoded validity sequence.
 */
@NotNull()
static ASN1Sequence encodeValiditySequence(final long notBefore, final long notAfter) {
    final GregorianCalendar notBeforeCalendar = new GregorianCalendar();
    notBeforeCalendar.setTimeInMillis(notBefore);
    final int notBeforeYear = notBeforeCalendar.get(Calendar.YEAR);
    final GregorianCalendar notAfterCalendar = new GregorianCalendar();
    notAfterCalendar.setTimeInMillis(notAfter);
    final int notAfterYear = notAfterCalendar.get(Calendar.YEAR);
    if ((notBeforeYear >= 1950) && (notBeforeYear <= 2049) && (notAfterYear >= 1950) && (notAfterYear <= 2049)) {
        return new ASN1Sequence(new ASN1UTCTime(notBefore), new ASN1UTCTime(notAfter));
    } else {
        return new ASN1Sequence(new ASN1GeneralizedTime(notBefore), new ASN1GeneralizedTime(notAfter));
    }
}

Example 7 with ASN1UTCTime

use of com.github.zhenwei.core.asn1.ASN1UTCTime in project gdmatrix by gdmatrix.

the class P7MUtils method printAttribute.

public static void printAttribute(Attribute attribute) throws Exception {
    ASN1Set set = attribute.getAttrValues();
    ASN1Primitive der = set.getObjectAt(0).toASN1Primitive();
    System.out.println(der.getClass());
    if (der instanceof DEROctetString) {
        DEROctetString octet = (DEROctetString) der;
        byte[] data = octet.getOctets();
        System.out.println(new String(data, "UTF-16LE"));
    } else if (der instanceof ASN1UTCTime) {
        ASN1UTCTime utcTime = (ASN1UTCTime) der;
        String time = utcTime.getAdjustedTime();
        System.out.println(time);
    } else if (der instanceof ASN1ObjectIdentifier) {
        ASN1ObjectIdentifier id = (ASN1ObjectIdentifier) der;
        System.out.println(id.getId());
    }
}

Example 8 with ASN1UTCTime

use of com.github.zhenwei.core.asn1.ASN1UTCTime in project signer by demoiselle.

the class CAdESSigner method check.

/**
 * Validation is done only on digital signatures with a single signer. Valid
 * only with content of type DATA.: OID ContentType 1.2.840.113549.1.9.3 =
 * OID Data 1.2.840.113549.1.7.1
 *
 * @params content Is only necessary to inform if the PKCS7 package is NOT
 *         ATTACHED type. If it is of type attached, this parameter will be
 *         replaced by the contents of the PKCS7 package.
 * @params signedData Value in bytes of the PKCS7 package, such as the
 *         contents of a ".p7s" file. It is not only signature as in the
 *         case of PKCS1.
 */
@SuppressWarnings("unchecked")
// TODO: Implementar validação de co-assinaturas
@Override
@Deprecated
public boolean check(byte[] content, byte[] signedData) throws SignerException {
    Security.addProvider(new BouncyCastleProvider());
    CMSSignedData cmsSignedData = null;
    try {
        if (content == null) {
            if (this.checkHash) {
                cmsSignedData = new CMSSignedData(this.hashes, signedData);
                this.checkHash = false;
            } else {
                cmsSignedData = new CMSSignedData(signedData);
            }
        } else {
            cmsSignedData = new CMSSignedData(new CMSProcessableByteArray(content), signedData);
        }
    } catch (CMSException ex) {
        throw new SignerException(cadesMessagesBundle.getString("error.invalid.bytes.pkcs7"), ex);
    }
    // Quantidade inicial de assinaturas validadas
    int verified = 0;
    Store<?> certStore = cmsSignedData.getCertificates();
    SignerInformationStore signers = cmsSignedData.getSignerInfos();
    Iterator<?> it = signers.getSigners().iterator();
    // Realização da verificação básica de todas as assinaturas
    while (it.hasNext()) {
        try {
            SignerInformation signer = (SignerInformation) it.next();
            SignerInformationStore s = signer.getCounterSignatures();
            SignatureInformations si = new SignatureInformations();
            logger.info("Foi(ram) encontrada(s) " + s.size() + " contra-assinatura(s).");
            Collection<?> certCollection = certStore.getMatches(signer.getSID());
            Iterator<?> certIt = certCollection.iterator();
            X509CertificateHolder certificateHolder = (X509CertificateHolder) certIt.next();
            X509Certificate varCert = new JcaX509CertificateConverter().getCertificate(certificateHolder);
            PeriodValidator pV = new PeriodValidator();
            try {
                pV.validate(varCert);
            } catch (CertificateValidatorException cve) {
                si.getValidatorErrors().add(cve.getMessage());
            }
            CRLValidator cV = new CRLValidator();
            try {
                cV.validate(varCert);
            } catch (CertificateValidatorCRLException cvce) {
                si.getValidatorErrors().add(cvce.getMessage());
            }
            if (signer.verify(new JcaSimpleSignerInfoVerifierBuilder().setProvider("BC").build(certificateHolder))) {
                verified++;
                logger.info(cadesMessagesBundle.getString("info.signature.valid.seq", verified));
            }
            // Realiza a verificação dos atributos assinados
            logger.info(cadesMessagesBundle.getString("info.signed.attribute"));
            AttributeTable signedAttributes = signer.getSignedAttributes();
            if ((signedAttributes == null) || (signedAttributes != null && signedAttributes.size() == 0)) {
                throw new SignerException(cadesMessagesBundle.getString("error.signed.attribute.table.not.found"));
            }
            // Realiza a verificação dos atributos não assinados
            logger.info(cadesMessagesBundle.getString("info.unsigned.attribute"));
            AttributeTable unsignedAttributes = signer.getUnsignedAttributes();
            if ((unsignedAttributes == null) || (unsignedAttributes != null && unsignedAttributes.size() == 0)) {
                logger.info(cadesMessagesBundle.getString("error.unsigned.attribute.table.not.found"));
            }
            // Mostra data e  hora da assinatura, não é carimbo de tempo
            Attribute signingTime = signedAttributes.get(CMSAttributes.signingTime);
            Date dataHora = null;
            if (signingTime != null) {
                dataHora = (((ASN1UTCTime) signingTime.getAttrValues().getObjectAt(0)).getDate());
                logger.info(cadesMessagesBundle.getString("info.date.utc", dataHora));
            } else {
                logger.info(cadesMessagesBundle.getString("info.date.utc", "N/D"));
            }
            logger.info(cadesMessagesBundle.getString("info.attribute.validation"));
            // Valida o atributo ContentType
            Attribute attributeContentType = signedAttributes.get(CMSAttributes.contentType);
            if (attributeContentType == null) {
                throw new SignerException(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "ContentType"));
            }
            if (!attributeContentType.getAttrValues().getObjectAt(0).equals(ContentInfo.data)) {
                throw new SignerException(cadesMessagesBundle.getString("error.content.not.data"));
            }
            // Validando o atributo MessageDigest
            Attribute attributeMessageDigest = signedAttributes.get(CMSAttributes.messageDigest);
            if (attributeMessageDigest == null) {
                throw new SignerException(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "MessageDigest"));
            }
            // Validando o atributo MessageDigest
            Attribute idSigningPolicy = null;
            idSigningPolicy = signedAttributes.get(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.id_aa_ets_sigPolicyId.getId()));
            if (idSigningPolicy == null) {
                throw new SignerException(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "idSigningPolicy"));
            }
            // Verificando timeStamp
            try {
                Attribute attributeTimeStamp = null;
                attributeTimeStamp = unsignedAttributes.get(new ASN1ObjectIdentifier(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken.getId()));
                if (attributeTimeStamp != null) {
                    byte[] varSignature = signer.getSignature();
                    Timestamp varTimeStampSigner = validateTimestamp(attributeTimeStamp, varSignature);
                    si.setTimeStampSigner(varTimeStampSigner);
                }
            } catch (Exception ex) {
            // nas assinaturas feitas na applet o unsignedAttributes.get gera exceção.
            }
            LinkedList<X509Certificate> varChain = (LinkedList<X509Certificate>) CAManager.getInstance().getCertificateChain(varCert);
            si.setSignDate(dataHora);
            si.setChain(varChain);
            si.setSignaturePolicy(signaturePolicy);
            this.getSignatureInfo().add(si);
        } catch (OperatorCreationException | java.security.cert.CertificateException ex) {
            throw new SignerException(ex);
        } catch (CMSException ex) {
            // When file is mismatch with sign
            if (ex instanceof CMSSignerDigestMismatchException)
                throw new SignerException(cadesMessagesBundle.getString("error.signature.mismatch"), ex);
            else
                throw new SignerException(cadesMessagesBundle.getString("error.signature.invalid"), ex);
        } catch (ParseException e) {
            throw new SignerException(e);
        }
    }
    logger.info(cadesMessagesBundle.getString("info.signature.verified", verified));
    // TODO Efetuar o parsing da estrutura CMS
    return true;
}

Example 9 with ASN1UTCTime

use of com.github.zhenwei.core.asn1.ASN1UTCTime in project signer by demoiselle.

the class CAdESChecker method check.

/**
 * Validation is done only on digital signatures with a single signer. Valid
 * only with content of type DATA.: OID ContentType 1.2.840.113549.1.9.3 =
 * OID Data 1.2.840.113549.1.7.1
 *
 * @param content    Is only necessary to inform if the PKCS7 package is NOT
 *                   ATTACHED type. If it is of type attached, this parameter will be
 *                   replaced by the contents of the PKCS7 package.
 * @param signedData Value in bytes of the PKCS7 package, such as the
 *                   contents of a ".p7s" file. It is not only signature as in the
 *                   case of PKCS1.
 */
private boolean check(byte[] content, byte[] signedData) throws SignerException {
    Security.addProvider(new BouncyCastleProvider());
    CMSSignedData cmsSignedData = null;
    try {
        if (content == null) {
            if (this.checkHash) {
                cmsSignedData = new CMSSignedData(this.hashes, signedData);
                this.checkHash = false;
            } else {
                cmsSignedData = new CMSSignedData(signedData);
            }
        } else {
            if (this.getAttached(signedData, false).getExtractedContent() != null) {
                cmsSignedData = new CMSSignedData(signedData);
            } else {
                cmsSignedData = new CMSSignedData(new CMSProcessableByteArray(content), signedData);
            }
        }
    } catch (CMSException ex) {
        logger.error(cadesMessagesBundle.getString("error.invalid.bytes.pkcs7") + ex.getMessage());
        throw new SignerException(cadesMessagesBundle.getString("error.invalid.bytes.pkcs7"), ex);
    }
    // Quantidade inicial de assinaturas validadas
    int verified = 0;
    Store<?> certStore = cmsSignedData.getCertificates();
    SignerInformationStore signers = cmsSignedData.getSignerInfos();
    Iterator<?> it = signers.getSigners().iterator();
    // Realização da verificação básica de todas as assinaturas
    while (it.hasNext()) {
        SignatureInformations signatureInfo = new SignatureInformations();
        try {
            SignerInformation signerInfo = (SignerInformation) it.next();
            SignerInformationStore signerInfoStore = signerInfo.getCounterSignatures();
            if (signerInfoStore.size() > 0) {
                logger.info(cadesMessagesBundle.getString("info.co.signature", signerInfoStore.size()));
            }
            @SuppressWarnings("unchecked") Collection<?> certCollection = certStore.getMatches(signerInfo.getSID());
            Iterator<?> certIt = certCollection.iterator();
            X509CertificateHolder certificateHolder = (X509CertificateHolder) certIt.next();
            X509Certificate varCert = new JcaX509CertificateConverter().getCertificate(certificateHolder);
            CRLValidator cV = new CRLValidator();
            try {
                cV.validate(varCert);
            } catch (CertificateValidatorCRLException cvce) {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.crl.not.access", cvce.getMessage()));
                logger.debug(cadesMessagesBundle.getString("error.crl.not.access", cvce.getMessage()));
            } catch (CertificateRevocationException cre) {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.crl.not.access", cre.getMessage()));
                logger.error(cadesMessagesBundle.getString("error.crl.not.access", cre.getMessage()));
            }
            PeriodValidator pV = new PeriodValidator();
            try {
                signatureInfo.setNotAfter(pV.valDate(varCert));
            } catch (CertificateValidatorException cve) {
                signatureInfo.getValidatorWarnins().add(cve.getMessage());
                logger.error(cve.getMessage());
            }
            try {
                if (signerInfo.verify(new JcaSimpleSignerInfoVerifierBuilder().setProvider("BC").build(certificateHolder))) {
                    verified++;
                    logger.info(cadesMessagesBundle.getString("info.signature.valid.seq", verified));
                } else {
                    signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.invalid.signature", "Erro de verificação!"));
                    signatureInfo.setInvalidSignature(true);
                }
            } catch (CMSVerifierCertificateNotValidException e) {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.invalid.signature", e.getMessage()));
                signatureInfo.setInvalidSignature(true);
            }
            // recupera atributos assinados
            logger.debug(cadesMessagesBundle.getString("info.signed.attribute"));
            String varOIDPolicy = PKCSObjectIdentifiers.id_aa_ets_sigPolicyId.getId();
            AttributeTable signedAttributes = signerInfo.getSignedAttributes();
            if ((signedAttributes == null) || (signedAttributes != null && signedAttributes.size() == 0)) {
                signatureInfo.getValidatorWarnins().add(cadesMessagesBundle.getString("error.signed.attribute.table.not.found"));
                logger.warn(cadesMessagesBundle.getString("error.signed.attribute.table.not.found"));
            // throw new SignerException(cadesMessagesBundle.getString("error.signed.attribute.table.not.found"));
            } else {
                // Validando atributos assinados de acordo com a politica
                Attribute idSigningPolicy = null;
                idSigningPolicy = signedAttributes.get(new ASN1ObjectIdentifier(varOIDPolicy));
                if (idSigningPolicy == null) {
                    signatureInfo.getValidatorWarnins().add(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", varOIDPolicy));
                } else {
                    for (Enumeration<?> p = idSigningPolicy.getAttrValues().getObjects(); p.hasMoreElements(); ) {
                        String policyOnSignature = p.nextElement().toString();
                        for (PolicyFactory.Policies pv : PolicyFactory.Policies.values()) {
                            if (policyOnSignature.contains(pv.getUrl())) {
                                setSignaturePolicy(pv);
                                break;
                            }
                        }
                    }
                }
            }
            Date dataHora = null;
            if (signedAttributes != null) {
                // Valida o atributo ContentType
                Attribute attributeContentType = signedAttributes.get(CMSAttributes.contentType);
                if (attributeContentType == null) {
                    signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "ContentType"));
                    logger.info(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "ContentType"));
                    throw new SignerException(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "ContentType"));
                }
                if (!attributeContentType.getAttrValues().getObjectAt(0).equals(ContentInfo.data)) {
                    signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.content.not.data"));
                    logger.info(cadesMessagesBundle.getString("error.content.not.data"));
                    throw new SignerException(cadesMessagesBundle.getString("error.content.not.data"));
                }
                // Validando o atributo MessageDigest
                Attribute attributeMessageDigest = signedAttributes.get(CMSAttributes.messageDigest);
                if (attributeMessageDigest == null) {
                    logger.info(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "MessageDigest"));
                    throw new SignerException(cadesMessagesBundle.getString("error.pcks7.attribute.not.found", "MessageDigest"));
                }
                // Mostra data e  hora da assinatura, não é carimbo de tempo
                Attribute timeAttribute = signedAttributes.get(CMSAttributes.signingTime);
                if (timeAttribute != null) {
                    TimeZone.setDefault(null);
                    dataHora = (((ASN1UTCTime) timeAttribute.getAttrValues().getObjectAt(0)).getDate());
                    logger.debug(cadesMessagesBundle.getString("info.date.utc", dataHora));
                } else {
                    logger.debug(cadesMessagesBundle.getString("info.date.utc", "N/D"));
                }
            }
            if (signaturePolicy == null) {
                signatureInfo.getValidatorWarnins().add(cadesMessagesBundle.getString("error.policy.on.component.not.found", varOIDPolicy));
                logger.debug(cadesMessagesBundle.getString("error.policy.on.component.not.found"));
            } else {
                if (signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedSignedAttr().getObjectIdentifiers() != null) {
                    for (ObjectIdentifier objectIdentifier : signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedSignedAttr().getObjectIdentifiers()) {
                        String oi = objectIdentifier.getValue();
                        Attribute signedAtt = signedAttributes.get(new ASN1ObjectIdentifier(oi));
                        logger.debug(oi);
                        if (signedAtt == null) {
                            logger.debug(cadesMessagesBundle.getString("error.signed.attribute.not.found", oi, signaturePolicy.getSignPolicyInfo().getSignPolicyIdentifier().getValue()));
                            signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.signed.attribute.not.found", oi, signaturePolicy.getSignPolicyInfo().getSignPolicyIdentifier().getValue()));
                        }
                    }
                }
            }
            // recupera os atributos NÃO assinados
            logger.debug(cadesMessagesBundle.getString("info.unsigned.attribute"));
            AttributeTable unsignedAttributes = signerInfo.getUnsignedAttributes();
            if ((unsignedAttributes == null) || (unsignedAttributes != null && unsignedAttributes.size() == 0)) {
                // Apenas info pois a RB não tem atributos não assinados
                logger.debug(cadesMessagesBundle.getString("error.unsigned.attribute.table.not.found"));
            }
            if (signaturePolicy != null) {
                // Validando atributos NÃO assinados de acordo com a politica
                if (signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedUnsignedAttr().getObjectIdentifiers() != null) {
                    for (ObjectIdentifier objectIdentifier : signaturePolicy.getSignPolicyInfo().getSignatureValidationPolicy().getCommonRules().getSignerAndVeriferRules().getSignerRules().getMandatedUnsignedAttr().getObjectIdentifiers()) {
                        String oi = objectIdentifier.getValue();
                        Attribute unSignedAtt = unsignedAttributes.get(new ASN1ObjectIdentifier(oi));
                        logger.debug(oi);
                        if (unSignedAtt == null) {
                            logger.debug(cadesMessagesBundle.getString("error.signed.attribute.not.found", oi, signaturePolicy.getSignPolicyInfo().getSignPolicyIdentifier().getValue()));
                            signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.unsigned.attribute.not.found", oi, signaturePolicy.getSignPolicyInfo().getSignPolicyIdentifier().getValue()));
                        }
                        if (oi.equalsIgnoreCase(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken.getId())) {
                            // Verificando timeStamp
                            try {
                                byte[] varSignature = signerInfo.getSignature();
                                Timestamp varTimeStampSigner = validateTimestamp(unSignedAtt, varSignature);
                                signatureInfo.setTimeStampSigner(varTimeStampSigner);
                            } catch (Exception ex) {
                                logger.info(ex.getMessage());
                                signatureInfo.getValidatorErrors().add(ex.getMessage());
                            // nas assinaturas feitas na applet o unsignedAttributes.get gera exceção.
                            }
                        }
                        if (oi.equalsIgnoreCase("1.2.840.113549.1.9.16.2.25")) {
                            logger.info("++++++++++  EscTimeStamp ++++++++++++");
                        }
                    }
                }
            }
            LinkedList<X509Certificate> varChain = (LinkedList<X509Certificate>) CAManager.getInstance().getCertificateChain(varCert);
            // menor que 2 = autoAssinado
            if (varChain.size() < 2) {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.no.ca", varCert.getIssuerDN()));
                logger.info(cadesMessagesBundle.getString("error.no.ca", varCert.getIssuerDN()));
            }
            for (X509Certificate cert : varChain) {
                BasicCertificate signerCertificate = new BasicCertificate(cert);
                if (!signerCertificate.isCACertificate()) {
                    signatureInfo.setIcpBrasilcertificate(signerCertificate);
                }
            }
            signatureInfo.setSignDate(dataHora);
            signatureInfo.setChain(varChain);
            signatureInfo.setSignaturePolicy(signaturePolicy);
            this.getSignaturesInfo().add(signatureInfo);
        } catch (OperatorCreationException | java.security.cert.CertificateException ex) {
            signatureInfo.getValidatorErrors().add(ex.getMessage());
            logger.info(ex.getMessage());
        } catch (CMSException ex) {
            // When file is mismatch with sign
            if (ex instanceof CMSSignerDigestMismatchException) {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.signature.mismatch"));
                logger.info(cadesMessagesBundle.getString("error.signature.mismatch"));
                throw new SignerException(cadesMessagesBundle.getString("error.signature.mismatch"), ex);
            } else {
                signatureInfo.getValidatorErrors().add(cadesMessagesBundle.getString("error.signature.invalid", ex.getMessage()));
                logger.info(cadesMessagesBundle.getString("error.signature.invalid", ex.getMessage()));
                throw new SignerException(cadesMessagesBundle.getString("error.signature.invalid", ex.getMessage()), ex);
            }
        } catch (ParseException e) {
            signatureInfo.getValidatorErrors().add(e.getMessage());
            logger.info(e.getMessage());
        }
    }
    logger.debug(cadesMessagesBundle.getString("info.signature.verified", verified));
    // TODO Efetuar o parsing da estrutura CMS
    return true;
}

Example 10 with ASN1UTCTime

use of com.github.zhenwei.core.asn1.ASN1UTCTime in project LinLong-Java by zhenwei1108.

the class ASN1Dump method _dumpAsString.

/**
 * dump a DER object as a formatted string with indentation
 *
 * @param obj the ASN1Primitive to be dumped out.
 */
static void _dumpAsString(String indent, boolean verbose, ASN1Primitive obj, StringBuffer buf) {
    String nl = Strings.lineSeparator();
    if (obj instanceof ASN1Null) {
        buf.append(indent);
        buf.append("NULL");
        buf.append(nl);
    } else if (obj instanceof ASN1Sequence) {
        buf.append(indent);
        if (obj instanceof BERSequence) {
            buf.append("BER Sequence");
        } else if (obj instanceof DERSequence) {
            buf.append("DER Sequence");
        } else {
            buf.append("Sequence");
        }
        buf.append(nl);
        ASN1Sequence sequence = (ASN1Sequence) obj;
        String elementsIndent = indent + TAB;
        for (int i = 0, count = sequence.size(); i < count; ++i) {
            _dumpAsString(elementsIndent, verbose, sequence.getObjectAt(i).toASN1Primitive(), buf);
        }
    } else if (obj instanceof ASN1Set) {
        buf.append(indent);
        if (obj instanceof BERSet) {
            buf.append("BER Set");
        } else if (obj instanceof DERSet) {
            buf.append("DER Set");
        } else {
            buf.append("Set");
        }
        buf.append(nl);
        ASN1Set set = (ASN1Set) obj;
        String elementsIndent = indent + TAB;
        for (int i = 0, count = set.size(); i < count; ++i) {
            _dumpAsString(elementsIndent, verbose, set.getObjectAt(i).toASN1Primitive(), buf);
        }
    } else if (obj instanceof ASN1ApplicationSpecific) {
        _dumpAsString(indent, verbose, ((ASN1ApplicationSpecific) obj).getTaggedObject(), buf);
    } else if (obj instanceof ASN1TaggedObject) {
        buf.append(indent);
        if (obj instanceof BERTaggedObject) {
            buf.append("BER Tagged ");
        } else if (obj instanceof DERTaggedObject) {
            buf.append("DER Tagged ");
        } else {
            buf.append("Tagged ");
        }
        ASN1TaggedObject o = (ASN1TaggedObject) obj;
        buf.append(ASN1Util.getTagText(o));
        if (!o.isExplicit()) {
            buf.append(" IMPLICIT ");
        }
        buf.append(nl);
        String baseIndent = indent + TAB;
        _dumpAsString(baseIndent, verbose, o.getBaseObject().toASN1Primitive(), buf);
    } else if (obj instanceof ASN1OctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        if (obj instanceof BEROctetString) {
            buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
        } else {
            buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
        }
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof ASN1ObjectIdentifier) {
        buf.append(indent + "ObjectIdentifier(" + ((ASN1ObjectIdentifier) obj).getId() + ")" + nl);
    } else if (obj instanceof ASN1RelativeOID) {
        buf.append(indent + "RelativeOID(" + ((ASN1RelativeOID) obj).getId() + ")" + nl);
    } else if (obj instanceof ASN1Boolean) {
        buf.append(indent + "Boolean(" + ((ASN1Boolean) obj).isTrue() + ")" + nl);
    } else if (obj instanceof ASN1Integer) {
        buf.append(indent + "Integer(" + ((ASN1Integer) obj).getValue() + ")" + nl);
    } else if (obj instanceof ASN1BitString) {
        ASN1BitString bitString = (ASN1BitString) obj;
        byte[] bytes = bitString.getBytes();
        int padBits = bitString.getPadBits();
        if (bitString instanceof DERBitString) {
            buf.append(indent + "DER Bit String" + "[" + bytes.length + ", " + padBits + "] ");
        } else if (bitString instanceof DLBitString) {
            buf.append(indent + "DL Bit String" + "[" + bytes.length + ", " + padBits + "] ");
        } else {
            buf.append(indent + "BER Bit String" + "[" + bytes.length + ", " + padBits + "] ");
        }
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, bytes));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof ASN1IA5String) {
        buf.append(indent + "IA5String(" + ((ASN1IA5String) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1UTF8String) {
        buf.append(indent + "UTF8String(" + ((ASN1UTF8String) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1NumericString) {
        buf.append(indent + "NumericString(" + ((ASN1NumericString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1PrintableString) {
        buf.append(indent + "PrintableString(" + ((ASN1PrintableString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1VisibleString) {
        buf.append(indent + "VisibleString(" + ((ASN1VisibleString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1BMPString) {
        buf.append(indent + "BMPString(" + ((ASN1BMPString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1T61String) {
        buf.append(indent + "T61String(" + ((ASN1T61String) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1GraphicString) {
        buf.append(indent + "GraphicString(" + ((ASN1GraphicString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1VideotexString) {
        buf.append(indent + "VideotexString(" + ((ASN1VideotexString) obj).getString() + ") " + nl);
    } else if (obj instanceof ASN1UTCTime) {
        buf.append(indent + "UTCTime(" + ((ASN1UTCTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof ASN1GeneralizedTime) {
        buf.append(indent + "GeneralizedTime(" + ((ASN1GeneralizedTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof ASN1Enumerated) {
        ASN1Enumerated en = (ASN1Enumerated) obj;
        buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
    } else if (obj instanceof ASN1ObjectDescriptor) {
        ASN1ObjectDescriptor od = (ASN1ObjectDescriptor) obj;
        buf.append(indent + "ObjectDescriptor(" + od.getBaseGraphicString().getString() + ") " + nl);
    } else if (obj instanceof ASN1External) {
        ASN1External ext = (ASN1External) obj;
        buf.append(indent + "External " + nl);
        String tab = indent + TAB;
        if (ext.getDirectReference() != null) {
            buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
        }
        if (ext.getIndirectReference() != null) {
            buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
        }
        if (ext.getDataValueDescriptor() != null) {
            _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
        }
        buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
        _dumpAsString(tab, verbose, ext.getExternalContent(), buf);
    } else {
        buf.append(indent + obj.toString() + nl);
    }
}