List of usage examples for org.bouncycastle.asn1 ASN1InputStream readObject
public ASN1Primitive readObject() throws IOException
From source file:at.asitplus.regkassen.common.util.CryptoUtil.java
License:Apache License
/** * Helper method to convert DER-encoded signature values (e.g. used by Java) * to concatenated signature values/*from w ww . ja va2s . c o m*/ * (as used by the JWS-standard) * * @param derEncodedSignatureValue * DER-encoded signature value * @return concatenated signature value (as used by JWS standard) * @throws IOException */ public static byte[] convertDEREncodedSignatureToJWSConcatenated(final byte[] derEncodedSignatureValue) throws IOException { final ASN1InputStream asn1InputStream = new ASN1InputStream(derEncodedSignatureValue); final ASN1Primitive asn1Primitive = asn1InputStream.readObject(); asn1InputStream.close(); final ASN1Sequence asn1Sequence = (ASN1Sequence.getInstance(asn1Primitive)); final ASN1Integer rASN1 = (ASN1Integer) asn1Sequence.getObjectAt(0); final ASN1Integer sASN1 = (ASN1Integer) asn1Sequence.getObjectAt(1); final X9IntegerConverter x9IntegerConverter = new X9IntegerConverter(); final byte[] r = x9IntegerConverter.integerToBytes(rASN1.getValue(), 32); final byte[] s = x9IntegerConverter.integerToBytes(sASN1.getValue(), 32); final byte[] concatenatedSignatureValue = new byte[64]; System.arraycopy(r, 0, concatenatedSignatureValue, 0, 32); System.arraycopy(s, 0, concatenatedSignatureValue, 32, 32); return concatenatedSignatureValue; }
From source file:at.asitplus.regkassen.core.base.util.CryptoUtil.java
License:Apache License
/** * Helper method to convert DER-encoded signature values (e.g. used by Java) to concatenated signature values * (as used by the JWS-standard)//from w w w. ja v a2 s .com * * @param derEncodedSignatureValue DER-encoded signature value * @return concatenated signature value (as used by JWS standard) * @throws IOException */ public static byte[] convertDEREncodedSignatureToJWSConcatenated(byte[] derEncodedSignatureValue) throws IOException { ASN1InputStream asn1InputStream = new ASN1InputStream(derEncodedSignatureValue); ASN1Primitive asn1Primitive = asn1InputStream.readObject(); ASN1Sequence asn1Sequence = (ASN1Sequence.getInstance(asn1Primitive)); ASN1Integer rASN1 = (ASN1Integer) asn1Sequence.getObjectAt(0); ASN1Integer sASN1 = (ASN1Integer) asn1Sequence.getObjectAt(1); X9IntegerConverter x9IntegerConverter = new X9IntegerConverter(); byte[] r = x9IntegerConverter.integerToBytes(rASN1.getValue(), 32); byte[] s = x9IntegerConverter.integerToBytes(sASN1.getValue(), 32); byte[] concatenatedSignatureValue = new byte[64]; System.arraycopy(r, 0, concatenatedSignatureValue, 0, 32); System.arraycopy(s, 0, concatenatedSignatureValue, 32, 32); return concatenatedSignatureValue; }
From source file:be.fedict.commons.eid.consumer.BeIDIntegrity.java
License:Open Source License
private boolean __verifyNonRepSignature(final byte[] expectedDigestValue, final byte[] signatureValue, final X509Certificate certificate) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, IOException { final PublicKey publicKey = certificate.getPublicKey(); final Cipher cipher = Cipher.getInstance("RSA"); cipher.init(Cipher.DECRYPT_MODE, publicKey); final byte[] actualSignatureDigestInfoValue = cipher.doFinal(signatureValue); final ASN1InputStream asnInputStream = new ASN1InputStream(actualSignatureDigestInfoValue); final DigestInfo actualSignatureDigestInfo = new DigestInfo((ASN1Sequence) asnInputStream.readObject()); asnInputStream.close();//from w w w.j a v a 2 s . c o m final byte[] actualDigestValue = actualSignatureDigestInfo.getDigest(); return Arrays.equals(expectedDigestValue, actualDigestValue); }
From source file:be.fedict.eid.applet.service.impl.handler.AuthenticationDataMessageHandler.java
License:Open Source License
public Object handleMessage(AuthenticationDataMessage message, Map<String, String> httpHeaders, HttpServletRequest request, HttpSession session) throws ServletException { LOG.debug("authentication data message received"); if (null == message.authnCert) { /*/* www . j a v a 2 s.c o m*/ * Can be the case for future (Kids) eID cards that have some * certificates missing. */ String msg = "authentication certificate not present"; LOG.warn(msg); throw new ServletException(msg); } byte[] signatureValue = message.signatureValue; LOG.debug("authn signing certificate subject: " + message.authnCert.getSubjectX500Principal()); PublicKey signingKey = message.authnCert.getPublicKey(); if (this.sessionIdChannelBinding) { checkSessionIdChannelBinding(message, request); if (null == this.serverCertificate) { LOG.warn("adviced to use in combination with server certificate channel binding"); } } ChannelBindingService channelBindingService = this.channelBindingServiceLocator.locateService(); if (null != this.serverCertificate || null != channelBindingService) { LOG.debug("using server certificate channel binding"); } if (false == this.sessionIdChannelBinding && null == this.serverCertificate && null == channelBindingService) { LOG.warn("not using any secure channel binding"); } byte[] challenge; try { challenge = AuthenticationChallenge.getAuthnChallenge(session, this.maxMaturity); } catch (SecurityException e) { AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { String remoteAddress = request.getRemoteAddr(); auditService.authenticationError(remoteAddress, message.authnCert); } throw new ServletException("security error: " + e.getMessage(), e); } byte[] serverCertificateClientPOV = null; try { if (null != message.serverCertificate) { serverCertificateClientPOV = message.serverCertificate.getEncoded(); } } catch (CertificateEncodingException e) { throw new ServletException("server cert decoding error: " + e.getMessage(), e); } /* * We validate the authentication contract using the client-side * communicated server SSL certificate in case of secure channel * binding. */ AuthenticationContract authenticationContract = new AuthenticationContract(message.saltValue, this.hostname, this.inetAddress, message.sessionId, serverCertificateClientPOV, challenge); byte[] toBeSigned; try { toBeSigned = authenticationContract.calculateToBeSigned(); } catch (IOException e) { throw new ServletException("IO error: " + e.getMessage(), e); } try { Signature signature = Signature.getInstance("SHA1withRSA"); signature.initVerify(signingKey); signature.update(toBeSigned); boolean result = signature.verify(signatureValue); if (false == result) { AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { String remoteAddress = request.getRemoteAddr(); auditService.authenticationError(remoteAddress, message.authnCert); } throw new SecurityException("authn signature incorrect"); } } catch (NoSuchAlgorithmException e) { throw new SecurityException("algo error"); } catch (InvalidKeyException e) { throw new SecurityException("authn key error"); } catch (SignatureException e) { throw new SecurityException("signature error"); } RequestContext requestContext = new RequestContext(session); String transactionMessage = requestContext.getTransactionMessage(); if (null != transactionMessage) { LOG.debug("verifying TransactionMessage signature"); byte[] transactionMessageSignature = message.transactionMessageSignature; if (null == transactionMessageSignature) { throw new SecurityException("missing TransactionMessage signature"); } try { Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding"); cipher.init(Cipher.DECRYPT_MODE, signingKey); byte[] signatureDigestInfoValue = cipher.doFinal(transactionMessageSignature); ASN1InputStream aIn = new ASN1InputStream(signatureDigestInfoValue); DigestInfo signatureDigestInfo = new DigestInfo((ASN1Sequence) aIn.readObject()); if (false == PLAIN_TEXT_DIGEST_ALGO_OID .equals(signatureDigestInfo.getAlgorithmId().getObjectId().getId())) { throw new SecurityException("TransactionMessage signature algo OID incorrect"); } if (false == Arrays.equals(transactionMessage.getBytes(), signatureDigestInfo.getDigest())) { throw new SecurityException("signed TransactionMessage incorrect"); } LOG.debug("TransactionMessage signature validated"); } catch (Exception e) { LOG.error("error verifying TransactionMessage signature", e); AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { String remoteAddress = request.getRemoteAddr(); auditService.authenticationError(remoteAddress, message.authnCert); } throw new SecurityException("error verifying TransactionMessage signature: " + e.getMessage()); } } /* * Secure channel binding verification. */ if (null != channelBindingService) { X509Certificate serverCertificate = channelBindingService.getServerCertificate(); if (null == serverCertificate) { LOG.warn("could not verify secure channel binding as the server does not know its identity yet"); } else { if (false == serverCertificate.equals(message.serverCertificate)) { AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { String remoteAddress = request.getRemoteAddr(); auditService.authenticationError(remoteAddress, message.authnCert); } throw new SecurityException("secure channel binding identity mismatch"); } LOG.debug("secure channel binding verified"); } } else { if (null != this.serverCertificate) { if (false == this.serverCertificate.equals(message.serverCertificate)) { AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { String remoteAddress = request.getRemoteAddr(); auditService.authenticationError(remoteAddress, message.authnCert); } throw new SecurityException("secure channel binding identity mismatch"); } LOG.debug("secure channel binding verified"); } } AuthenticationService authenticationService = this.authenticationServiceLocator.locateService(); List<X509Certificate> certificateChain = new LinkedList<X509Certificate>(); certificateChain.add(message.authnCert); certificateChain.add(message.citizenCaCert); certificateChain.add(message.rootCaCert); try { authenticationService.validateCertificateChain(certificateChain); } catch (ExpiredCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_EXPIRED); } catch (RevokedCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_REVOKED); } catch (TrustCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_NOT_TRUSTED); } catch (CertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE); } catch (Exception e) { /* * We don't want to depend on the full JavaEE profile in this * artifact. */ if ("javax.ejb.EJBException".equals(e.getClass().getName())) { Exception exception; try { Method getCausedByExceptionMethod = e.getClass().getMethod("getCausedByException", new Class[] {}); exception = (Exception) getCausedByExceptionMethod.invoke(e, new Object[] {}); } catch (Exception e2) { LOG.debug("error: " + e.getMessage(), e); throw new SecurityException("error retrieving the root cause: " + e2.getMessage()); } if (exception instanceof ExpiredCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_EXPIRED); } if (exception instanceof RevokedCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_REVOKED); } if (exception instanceof TrustCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_NOT_TRUSTED); } if (exception instanceof CertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE); } } throw new SecurityException("authn service error: " + e.getMessage()); } String userId = UserIdentifierUtil.getUserId(message.authnCert); LOG.info("authenticated: " + userId + " @ " + request.getRemoteAddr()); if (null != this.nrcidSecret) { userId = UserIdentifierUtil.getNonReversibleCitizenIdentifier(userId, this.nrcidOrgId, this.nrcidAppId, this.nrcidSecret); } /* * Some people state that you cannot use the national register number * without hashing. Problem is that hashing introduces hash collision * problems. The probability is very low, but what if it's your leg * they're cutting of because of a patient mismatch based on the SHA1 of * your national register number? */ /* * Push authenticated used Id into the HTTP session. */ session.setAttribute(AUTHENTICATED_USER_IDENTIFIER_SESSION_ATTRIBUTE, userId); EIdData eidData = (EIdData) session.getAttribute(IdentityDataMessageHandler.EID_SESSION_ATTRIBUTE); if (null == eidData) { eidData = new EIdData(); session.setAttribute(IdentityDataMessageHandler.EID_SESSION_ATTRIBUTE, eidData); } eidData.identifier = userId; AuditService auditService = this.auditServiceLocator.locateService(); if (null != auditService) { auditService.authenticated(userId); } boolean includeIdentity = requestContext.includeIdentity(); boolean includeAddress = requestContext.includeAddress(); boolean includeCertificates = requestContext.includeCertificates(); boolean includePhoto = requestContext.includePhoto(); /* * Also process the identity data in case it was requested. */ if (includeIdentity) { if (null == message.identityData) { throw new ServletException("identity data not included while requested"); } } if (includeAddress) { if (null == message.addressData) { throw new ServletException("address data not included while requested"); } } if (includePhoto) { if (null == message.photoData) { throw new ServletException("photo data not included while requested"); } } IdentityIntegrityService identityIntegrityService = this.identityIntegrityServiceLocator.locateService(); if (null != identityIntegrityService) { if (null == message.rrnCertificate) { throw new ServletException("national registry certificate not included while requested"); } List<X509Certificate> rrnCertificateChain = new LinkedList<X509Certificate>(); rrnCertificateChain.add(message.rrnCertificate); rrnCertificateChain.add(message.rootCaCert); try { identityIntegrityService.checkNationalRegistrationCertificate(rrnCertificateChain); } catch (ExpiredCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_EXPIRED); } catch (RevokedCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_REVOKED); } catch (TrustCertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE_NOT_TRUSTED); } catch (CertificateSecurityException e) { return new FinishedMessage(ErrorCode.CERTIFICATE); } catch (Exception e) { if ("javax.ejb.EJBException".equals(e.getClass().getName())) { Exception exception; try { Method getCausedByExceptionMethod = e.getClass().getMethod("getCausedByException", new Class[] {}); exception = (Exception) getCausedByExceptionMethod.invoke(e, new Object[] {}); } catch (Exception e2) { LOG.debug("error: " + e.getMessage(), e); throw new SecurityException("error retrieving the root cause: " + e2.getMessage()); } if (exception instanceof ExpiredCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_EXPIRED); } if (exception instanceof RevokedCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_REVOKED); } if (exception instanceof TrustCertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE_NOT_TRUSTED); } if (exception instanceof CertificateSecurityException) { return new FinishedMessage(ErrorCode.CERTIFICATE); } } throw new SecurityException("error checking the NRN certificate: " + e.getMessage(), e); } PublicKey rrnPublicKey = message.rrnCertificate.getPublicKey(); if (includeIdentity) { if (null == message.identitySignatureData) { throw new ServletException("identity signature data not included while requested"); } verifySignature(message.rrnCertificate.getSigAlgName(), message.identitySignatureData, rrnPublicKey, request, message.identityData); } if (includeAddress) { if (null == message.addressSignatureData) { throw new ServletException("address signature data not included while requested"); } byte[] addressFile = trimRight(message.addressData); verifySignature(message.rrnCertificate.getSigAlgName(), message.addressSignatureData, rrnPublicKey, request, addressFile, message.identitySignatureData); } } if (includeIdentity) { Identity identity = TlvParser.parse(message.identityData, Identity.class); if (false == UserIdentifierUtil.getUserId(message.authnCert).equals(identity.nationalNumber)) { throw new ServletException("national number mismatch"); } session.setAttribute(IdentityDataMessageHandler.IDENTITY_SESSION_ATTRIBUTE, identity); eidData.identity = identity; auditService = this.auditServiceLocator.locateService(); if (null != auditService) { auditService.identified(identity.nationalNumber); } } if (includeAddress) { Address address = TlvParser.parse(message.addressData, Address.class); session.setAttribute(IdentityDataMessageHandler.ADDRESS_SESSION_ATTRIBUTE, address); eidData.address = address; } if (includePhoto) { if (includeIdentity) { byte[] expectedPhotoDigest = eidData.identity.photoDigest; byte[] actualPhotoDigest = digestPhoto(getDigestAlgo(expectedPhotoDigest.length), message.photoData); if (false == Arrays.equals(expectedPhotoDigest, actualPhotoDigest)) { throw new ServletException("photo digest incorrect"); } } session.setAttribute(IdentityDataMessageHandler.PHOTO_SESSION_ATTRIBUTE, message.photoData); eidData.photo = message.photoData; } if (includeCertificates) { if (includeIdentity) { eidData.certs = new EIdCertsData(); eidData.certs.authn = message.authnCert; eidData.certs.ca = message.citizenCaCert; eidData.certs.root = message.rootCaCert; eidData.certs.sign = message.signCert; } session.setAttribute(IdentityDataMessageHandler.AUTHN_CERT_SESSION_ATTRIBUTE, message.authnCert); session.setAttribute(IdentityDataMessageHandler.CA_CERT_SESSION_ATTRIBUTE, message.citizenCaCert); session.setAttribute(IdentityDataMessageHandler.ROOT_CERT_SESSION_ATTRIBTUE, message.rootCaCert); session.setAttribute(IdentityDataMessageHandler.SIGN_CERT_SESSION_ATTRIBUTE, message.signCert); } if (this.includeDataFiles) { session.setAttribute(IdentityDataMessageHandler.EID_DATA_IDENTITY_SESSION_ATTRIBUTE, message.identityData); session.setAttribute(IdentityDataMessageHandler.EID_DATA_ADDRESS_SESSION_ATTRIBUTE, message.addressData); } AuthenticationSignatureService authenticationSignatureService = this.authenticationSignatureServiceLocator .locateService(); if (null != authenticationSignatureService) { List<X509Certificate> authnCertificateChain; if (null != message.authnCert) { authnCertificateChain = new LinkedList<X509Certificate>(); authnCertificateChain.add(message.authnCert); authnCertificateChain.add(message.citizenCaCert); authnCertificateChain.add(message.rootCaCert); } else { authnCertificateChain = null; } AuthenticationSignatureContext authenticationSignatureContext = new AuthenticationSignatureContextImpl( session); PreSignResult preSignResult = authenticationSignatureService.preSign(authnCertificateChain, authenticationSignatureContext); if (null == preSignResult) { return new FinishedMessage(); } boolean logoff = preSignResult.getLogoff(); byte[] computedDigestValue = preSignResult.getDigestInfo().digestValue; String digestAlgo = preSignResult.getDigestInfo().digestAlgo; String authnMessage = preSignResult.getDigestInfo().description; AuthSignRequestMessage authSignRequestMessage = new AuthSignRequestMessage(computedDigestValue, digestAlgo, authnMessage, logoff); return authSignRequestMessage; } return new FinishedMessage(); }
From source file:be.fedict.eid.applet.service.signer.facets.XAdESXLSignatureFacet.java
License:Open Source License
private BigInteger getCrlNumber(X509CRL crl) { byte[] crlNumberExtensionValue = crl.getExtensionValue(X509Extensions.CRLNumber.getId()); if (null == crlNumberExtensionValue) { return null; }//from ww w. j av a 2s .c o m try { ASN1InputStream asn1InputStream = new ASN1InputStream(crlNumberExtensionValue); ASN1OctetString octetString = (ASN1OctetString) asn1InputStream.readObject(); byte[] octets = octetString.getOctets(); DERInteger integer = (DERInteger) new ASN1InputStream(octets).readObject(); BigInteger crlNumber = integer.getPositiveValue(); return crlNumber; } catch (IOException e) { throw new RuntimeException("I/O error: " + e.getMessage(), e); } }
From source file:be.fedict.eid.tsl.Tsl2PdfExporter.java
License:Open Source License
private static List<String> getCrlDistributionPoints(final X509Certificate cert) throws IOException { final byte[] extValue = cert.getExtensionValue(X509Extensions.CRLDistributionPoints.getId()); if (extValue != null) { final ASN1InputStream oAsnInStream = new ASN1InputStream(new ByteArrayInputStream(extValue)); final DERObject derObj = oAsnInStream.readObject(); final DEROctetString dos = (DEROctetString) derObj; final byte[] val2 = dos.getOctets(); final ASN1InputStream oAsnInStream2 = new ASN1InputStream(new ByteArrayInputStream(val2)); final DERObject derObj2 = oAsnInStream2.readObject(); return getDERValue(derObj2); } else {//w w w . jav a 2 s . c om return Collections.emptyList(); } }
From source file:be.fedict.trust.constraints.CodeSigningCertificateConstraint.java
License:Open Source License
@Override public void check(X509Certificate certificate) throws TrustLinkerResultException, Exception { byte[] extension = certificate.getExtensionValue(Extension.extendedKeyUsage.getId()); if (null == extension) { throw new TrustLinkerResultException(TrustLinkerResultReason.CONSTRAINT_VIOLATION, "missing ExtendedKeyUsage extension"); }//from w w w. ja va 2s . c o m if (false == certificate.getCriticalExtensionOIDs().contains(Extension.extendedKeyUsage.getId())) { throw new TrustLinkerResultException(TrustLinkerResultReason.CONSTRAINT_VIOLATION, "ExtendedKeyUsage should be critical"); } ASN1InputStream asn1InputStream = new ASN1InputStream(new ByteArrayInputStream(extension)); asn1InputStream = new ASN1InputStream( new ByteArrayInputStream(((ASN1OctetString) asn1InputStream.readObject()).getOctets())); ExtendedKeyUsage extendedKeyUsage = ExtendedKeyUsage.getInstance(asn1InputStream.readObject()); if (false == extendedKeyUsage.hasKeyPurposeId(KeyPurposeId.id_kp_codeSigning)) { throw new TrustLinkerResultException(TrustLinkerResultReason.CONSTRAINT_VIOLATION, "missing codeSigning ExtendedKeyUsage"); } if (1 != extendedKeyUsage.size()) { throw new TrustLinkerResultException(TrustLinkerResultReason.CONSTRAINT_VIOLATION, "ExtendedKeyUsage not solely codeSigning"); } }
From source file:be.fedict.trust.service.bean.HarvesterMDB.java
License:Open Source License
/** * Added for as {@link X509CRL#getRevokedCertificates()} is memory intensive * because it is returning a complete set, for huge CRL's this can get kinda * out of hand. So we return an enumeration of the DER * {@link TBSCertList.CRLEntry} objects. * /*from w ww. j av a 2 s . c o m*/ * @param crl * the CRL * @return {@link Enumeration} of {@link TBSCertList.CRLEntry}'s. * @throws IOException * something went wrong parsing. * @throws CRLException * something went wrong parsing. */ @SuppressWarnings("unchecked") private Enumeration<TBSCertList.CRLEntry> getRevokedCertificatesEnum(X509CRL crl) throws IOException, CRLException { byte[] certList = crl.getTBSCertList(); ByteArrayInputStream bais = new ByteArrayInputStream(certList); ASN1InputStream aIn = new ASN1InputStream(bais, Integer.MAX_VALUE, true); ASN1Sequence seq = (ASN1Sequence) aIn.readObject(); TBSCertList cl = TBSCertList.getInstance(seq); return cl.getRevokedCertificateEnumeration(); }
From source file:bluecrystal.bcdeps.helper.DerEncoder.java
License:Open Source License
private static DLSequence getEncodedIssuer(final byte[] enc) { try {/*from w ww .j av a 2s . c om*/ final ASN1InputStream in = new ASN1InputStream(new ByteArrayInputStream(enc)); final ASN1Sequence seq = (ASN1Sequence) in.readObject(); return (DLSequence) seq.getObjectAt(seq.getObjectAt(0) instanceof DERTaggedObject ? 3 : 2); } catch (final IOException e) { return null; } }
From source file:bluecrystal.bcdeps.helper.DerEncoder.java
License:Open Source License
private void buildCerts(ASN1EncodableVector body, List<X509Certificate> chain) throws IOException, CertificateEncodingException { // -------- Certificados ASN1EncodableVector certVector = new ASN1EncodableVector(); for (X509Certificate next : chain) { ASN1InputStream tempstream = new ASN1InputStream(new ByteArrayInputStream(next.getEncoded())); certVector.add(tempstream.readObject()); // 5 CERT (SEQ) }/*from w w w .j a v a 2 s. com*/ final DERSet dercertificates = new DERSet(certVector); // 4 SET body.add(new DERTaggedObject(false, 0, dercertificates)); // 3 CS }