List of usage examples for com.itextpdf.text.pdf PdfName ADBE_PKCS7_DETACHED
PdfName ADBE_PKCS7_DETACHED
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From source file:com.swisscom.ais.itext.PDF.java
License:Open Source License
/** * Add signature information (reason for signing, location, contact, date) and create hash from pdf document * * @param signDate Date of signing * @param estimatedSize The estimated size for signatures * @param hashAlgorithm The hash algorithm which will be used to sign the pdf * @param isTimestampOnly If it is a timestamp signature. This is necessary because the filter is an other one compared to a "standard" signature * @return Hash of pdf as bytes// w w w .j a v a 2 s .com * @throws Exception */ public byte[] getPdfHash(@Nonnull Calendar signDate, int estimatedSize, @Nonnull String hashAlgorithm, boolean isTimestampOnly) throws Exception { pdfReader = new PdfReader(inputFilePath, pdfPassword != null ? pdfPassword.getBytes() : null); AcroFields acroFields = pdfReader.getAcroFields(); boolean hasSignature = acroFields.getSignatureNames().size() > 0; byteArrayOutputStream = new ByteArrayOutputStream(); pdfStamper = PdfStamper.createSignature(pdfReader, byteArrayOutputStream, '\0', null, hasSignature); pdfStamper.setXmpMetadata(pdfReader.getMetadata()); pdfSignatureAppearance = pdfStamper.getSignatureAppearance(); pdfSignature = new PdfSignature(PdfName.ADOBE_PPKLITE, isTimestampOnly ? PdfName.ETSI_RFC3161 : PdfName.ADBE_PKCS7_DETACHED); pdfSignature.setReason(signReason); pdfSignature.setLocation(signLocation); pdfSignature.setContact(signContact); pdfSignature.setDate(new PdfDate(signDate)); pdfSignatureAppearance.setCryptoDictionary(pdfSignature); // certify the pdf, if requested if (certificationLevel > 0) { // check: at most one certification per pdf is allowed if (pdfReader.getCertificationLevel() != PdfSignatureAppearance.NOT_CERTIFIED) throw new Exception( "Could not apply -certlevel option. At most one certification per pdf is allowed, but source pdf contained already a certification."); pdfSignatureAppearance.setCertificationLevel(certificationLevel); } HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>(); exc.put(PdfName.CONTENTS, new Integer(estimatedSize * 2 + 2)); pdfSignatureAppearance.preClose(exc); MessageDigest messageDigest = MessageDigest.getInstance(hashAlgorithm); InputStream rangeStream = pdfSignatureAppearance.getRangeStream(); int i; while ((i = rangeStream.read()) != -1) { messageDigest.update((byte) i); } return messageDigest.digest(); }
From source file:gov.nih.nci.firebird.service.signing.DigitalSigningServiceBean.java
License:Open Source License
private PdfSignature createSignatureDictionary(PdfSignatureAppearance appearance, String name, String signReason, String signLocation) { PdfSignature pdfSig = new PdfSignature(PdfName.ADOBE_PPKLITE, PdfName.ADBE_PKCS7_DETACHED); pdfSig.setDate(new PdfDate(appearance.getSignDate())); pdfSig.setName(name);//from w w w. ja v a 2s . co m pdfSig.setReason(signReason); pdfSig.setLocation(signLocation); return pdfSig; }
From source file:org.opencps.pki.PdfSigner.java
License:Open Source License
/** * Compute digest hash/*from w ww. j a v a 2 s. co m*/ */ protected byte[] computeDigest(float llx, float lly, float urx, float ury) throws SignatureException { byte digestHash[] = null; int contentEstimated = 8192; try { PdfReader reader = new PdfReader(getOriginFilePath()); FileOutputStream os = new FileOutputStream(getTempFilePath()); PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0'); PdfSignatureAppearance appearance = stamper.getSignatureAppearance(); signatureFieldName = appearance.getNewSigName(); TSAClient tsaClient = null; appearance.setCertificate(getCertificate()); String tsaUrl = CertificateUtil.getTSAURL(getCertificate()); if (tsaUrl != null) { tsaClient = new TSAClientBouncyCastle(tsaUrl); } if (tsaClient != null) { LtvTimestamp.timestamp(appearance, tsaClient, signatureFieldName); contentEstimated += 4096; } appearance.setSignDate(signDate); CertificateInfo certInfo = new CertificateInfo(getCertificate()); appearance.setLocation(certInfo.getOrganizationUnit()); appearance.setReason("Document is signed by " + certInfo.getCommonName()); appearance.setContact(certInfo.getCommonName()); if (!isVisible) { appearance.setVisibleSignature(new Rectangle(0, 0, 0, 0), 1, signatureFieldName); } else { if (signatureImage != null) { appearance.setSignatureGraphic(signatureImage.getImage()); appearance.setRenderingMode(PdfSignatureAppearance.RenderingMode.GRAPHIC); } else { appearance.setLayer2Text(certInfo.getCommonName()); } appearance.setVisibleSignature(new Rectangle(llx, lly, urx, ury), 1, signatureFieldName); } ExternalSignatureContainer external = new ExternalBlankSignatureContainer(PdfName.ADOBE_PPKLITE, PdfName.ADBE_PKCS7_DETACHED); MakeSignature.signExternalContainer(appearance, external, contentEstimated); digestHash = DigestAlgorithms.digest(appearance.getRangeStream(), digest.getMessageDigest(getHashAlgorithm().toString())); reader.close(); os.close(); } catch (Exception e) { throw new SignatureException(e.getMessage(), e); } return digestHash; }
From source file:org.opencps.pki.Pksc7SignatureContainer.java
License:Open Source License
/** * Produces the container with the signature. * @param data the data to sign//w w w .j ava 2s .c o m * @return a container with the signature and other objects, like CRL and OCSP. The container will generally be a PKCS7 one. * @throws GeneralSecurityException */ @Override public byte[] sign(InputStream is) throws GeneralSecurityException { X509Certificate cert = signer.getCertificate(); PdfPKCS7 sgn = new PdfPKCS7(encodedPkcs7, PdfName.ADBE_PKCS7_DETACHED, null); X509Certificate signingCert = sgn.getSigningCertificate(); if (!signingCert.getSerialNumber().equals(cert.getSerialNumber())) { throw new SignatureException( "Encoded pkcs7 is invalid. The certificate from signer not equal pkcs7's certificate"); } return encodedPkcs7; }
From source file:org.sinekartads.core.pdf.PDFTools.java
License:Open Source License
public static FinalizedSignature<SignatureType.SignCategory, SignDisposition.PDF, SecurityLevel.VerifyResult, PDFSignatureInfo> sign( SignedSignature<SignatureType.SignCategory, SignDisposition.PDF, SecurityLevel.VerifyResult, PDFSignatureInfo> signedSignature, // X509Certificate certificate, InputStream is, OutputStream os) throws SignatureException { //// signAndMark(doc, certificate, is, os, null, null, null, null, null); // signAndMark(signatureInfo, certificate, is, os, null, null, null); // }//ww w . j a v a2 s . c o m // // public static void signAndMark(PDFSignatureInfo doc, // X509Certificate certificate, InputStream is, OutputStream os, // String tsaUrl, String tsaUser, String tsaPassword) { //// signAndMark(doc, certificate, is, os, tsaUrl, tsaUser, tsaPassword, null, null); //// } //// //// public static void signAndMark(DigitalSignatureDocument doc, //// X509Certificate certificate, InputStream is, OutputStream os, //// String tsaUrl, String tsaUser, String tsaPassword, Collection<CrlClient> crlList, OcspClient ocspClient) { try { PDFSignatureInfo signature = (PDFSignatureInfo) signedSignature; TSAClient tsaClient = null; TsRequestInfo tsRequest = signature.getTsRequest(); if (tsRequest != null && StringUtils.isNotBlank(tsRequest.getTsUrl())) { tsaClient = new TSAClientBouncyCastle(tsRequest.getTsUrl(), tsRequest.getTsUsername(), tsRequest.getTsPassword()); } // if (tsaUrl!=null) { // tsaClient = new TSAClientBouncyCastle(tsaUrl, tsaUser, tsaPassword); // } int estimatedSize = 0; CryptoStandard sigtype = CryptoStandard.CMS; // creo il reader del pdf PdfReader reader = new PdfReader(is); // creo lo stamper (se il pdf e' gia' firmato, controfirma, // altrimenti firma PdfStamper stamper = null; if (isPdfSigned(reader)) { if (tracer.isDebugEnabled()) tracer.debug("document already signed, i will apply another sign"); stamper = PdfStamper.createSignature(reader, os, '\0', null, true); } else { if (tracer.isDebugEnabled()) tracer.debug("document never signed before, this is first"); stamper = PdfStamper.createSignature(reader, os, '\0'); } // questo e' il certificato su cui lavorare Certificate[] chain = signature.getRawX509Certificates(); // Certificate[] chain = new Certificate[1]; // chain[0] = certificate; // creo la signature apparence PdfSignatureAppearance sap = stamper.getSignatureAppearance(); ExternalDigest externalDigest = new BouncyCastleDigest(); // inizio codice copiato da MakeSignature // Collection<byte[]> crlBytes = null; // int i = 0; // while (crlBytes == null && i < chain.length) // crlBytes = MakeSignature.processCrl(chain[i++], crlList); if (estimatedSize == 0) { estimatedSize = 8192; // if (crlBytes != null) { // for (byte[] element : crlBytes) { // estimatedSize += element.length + 10; // } // } // if (ocspClient != null) estimatedSize += 4192; // if (tsaClient != null) estimatedSize += 4192; } sap.setCertificate(chain[0]); sap.setReason(signature.getReason()); sap.setLocation(signature.getLocation()); Calendar cal = Calendar.getInstance(); cal.setTime(signature.getSigningTime()); sap.setSignDate(cal); sap.getStamper().setUnicodeModDate(signature.getUnicodeModDate()); sap.getStamper().setFileId(signature.getFileId()); PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, PdfName.ADBE_PKCS7_DETACHED); dic.setReason(sap.getReason()); dic.setLocation(sap.getLocation()); dic.setContact(sap.getContact()); dic.setDate(new PdfDate(sap.getSignDate())); // time-stamp will over-rule this sap.setCryptoDictionary(dic); HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>(); exc.put(PdfName.CONTENTS, new Integer(estimatedSize * 2 + 2)); sap.preClose(exc); String hashAlgorithm = signature.getDigestAlgorithm().getName(); PdfPKCS7 sgn = new PdfPKCS7(null, chain, hashAlgorithm, BouncyCastleProvider.PROVIDER_NAME, externalDigest, false); InputStream data = sap.getRangeStream(); byte hash[] = DigestAlgorithms.digest(data, externalDigest.getMessageDigest(hashAlgorithm)); // byte[] ocsp = null; // if (chain.length >= 2 && ocspClient != null) { // ocsp = ocspClient.getEncoded((X509Certificate) chain[0], (X509Certificate) chain[1], null); // } sgn.setExternalDigest(signature.getDigitalSignature(), null, "RSA"); // byte[] encodedSig = sgn.getEncodedPKCS7(hash, _getSignDate(doc.getSignDate()), tsaClient, ocsp, crlBytes, sigtype); byte[] encodedSig = sgn.getEncodedPKCS7(hash, cal, tsaClient, null, null, sigtype); if (estimatedSize + 2 < encodedSig.length) throw new IOException("Not enough space"); ASN1EncodableVector extraDataVectorEncoding = new ASN1EncodableVector(); // extraDataVectorEncoding.add(new DERObjectIdentifier("1.2.840.114283")); // encoding attribute extraDataVectorEncoding.add(new DERGeneralString("115.105.110.101.107.97.114.116.97")); // applico la firma al PDF byte[] extraDataVectorEncodingBytes = new DERSequence(new DERSequence(extraDataVectorEncoding)) .getEncoded(); byte[] paddedSig = new byte[estimatedSize]; System.arraycopy(encodedSig, 0, paddedSig, 0, encodedSig.length); System.arraycopy(extraDataVectorEncodingBytes, 0, paddedSig, encodedSig.length, extraDataVectorEncodingBytes.length); // encoding attribute PdfDictionary dic2 = new PdfDictionary(); dic2.put(PdfName.CONTENTS, new PdfString(paddedSig).setHexWriting(true)); sap.close(dic2); // this should be already done, but ... // closing streams try { is.close(); } catch (IOException e) { tracer.error("error on input stream", e); } try { os.flush(); } catch (IOException e) { tracer.error("error on output stream", e); } try { os.close(); } catch (IOException e) { tracer.error("error on output stream", e); } return signature.finalizeSignature(); // } catch (MarkFailedException e) { // throw e; } catch (Exception e) { tracer.error("Unable to sign PDF.", e); throw new SignatureException("Unable to sign PDF.", e); } }
From source file:org.sinekartads.core.pdf.PDFTools.java
License:Open Source License
public static DigestSignature<SignatureType.SignCategory, SignDisposition.PDF, SecurityLevel.VerifyResult, PDFSignatureInfo> calculateFingerPrint( ChainSignature<SignatureType.SignCategory, SignDisposition.PDF, SecurityLevel.VerifyResult, PDFSignatureInfo> chainSignature, // X509Certificate certificate, InputStream is) throws SignatureException { // calculateFingerPrint(doc, certificate, is, null, null, null, null, null); // }/*from w w w .ja v a 2 s . c o m*/ // // public static void calculateFingerPrint(DigitalSignatureDocument doc, // X509Certificate certificate, InputStream is, Collection<CrlClient> crlList, OcspClient ocspClient, String tsaUrl, String tsaUser, String tsaPassword) { try { // TSAClient tsaClient=null; // // if (tsaUrl!=null) { // tsaClient = new SinekartaTSAClient(tsaUrl, tsaUser, tsaPassword); // } // int estimatedSize = 0; CryptoStandard sigtype = CryptoStandard.CMS; // FIXME qui c'era CMS PDFSignatureInfo signature = (PDFSignatureInfo) chainSignature; // creo il reader del pdf PdfReader reader = new PdfReader(is); // creo lo stamper (se il pdf e' gia' firmato, controfirma, // altrimenti firma PdfStamper stamper = null; if (isPdfSigned(reader)) { if (tracer.isDebugEnabled()) tracer.debug("calculating finger print for document already signed"); stamper = PdfStamper.createSignature(reader, null, '\0', null, true); } else { if (tracer.isDebugEnabled()) tracer.debug("calculating finger print for document never signed before"); stamper = PdfStamper.createSignature(reader, null, '\0'); } // questo e' il certificato su cui lavorare Certificate[] chain = signature.getRawX509Certificates(); // Certificate[] chain = new Certificate[1]; // chain[0] = certificate; // creo la signature apparence PdfSignatureAppearance sap = stamper.getSignatureAppearance(); ExternalDigest externalDigest = new BouncyCastleDigest(); // inizio codice copiato da MakeSignature // Collection<byte[]> crlBytes = null; // int i = 0; // while (crlBytes == null && i < chain.length) // crlBytes = MakeSignature.processCrl(chain[i++], crlList); if (estimatedSize == 0) { estimatedSize = 8192; // if (crlBytes != null) { // for (byte[] element : crlBytes) { // estimatedSize += element.length + 10; // } // } // if (ocspClient != null) estimatedSize += 4192; // if (tsaClient != null) estimatedSize += 4192; } Calendar now = Calendar.getInstance(); PdfDate date = new PdfDate(now); sap.setSignDate(now); signature.setSigningTime(now.getTime()); signature.setUnicodeModDate(date.toUnicodeString()); sap.setCertificate(chain[0]); sap.setReason(signature.getReason()); sap.setLocation(signature.getLocation()); PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, PdfName.ADBE_PKCS7_DETACHED); dic.setReason(sap.getReason()); dic.setLocation(sap.getLocation()); dic.setContact(sap.getContact()); dic.setDate(date); // time-stamp will over-rule this sap.setCryptoDictionary(dic); HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>(); exc.put(PdfName.CONTENTS, new Integer(estimatedSize * 2 + 2)); sap.preClose(exc); String hashAlgorithm = signature.getDigestAlgorithm().getName(); PdfPKCS7 sgn = new PdfPKCS7(null, chain, hashAlgorithm, BouncyCastleProvider.PROVIDER_NAME, externalDigest, false); // String hashAlgorithm = Constants.SHA256; // PdfPKCS7 sgn = new PdfPKCS7(null, chain, hashAlgorithm, Constants.BC, externalDigest, false); InputStream data = sap.getRangeStream(); byte hash[] = DigestAlgorithms.digest(data, externalDigest.getMessageDigest(hashAlgorithm)); // byte[] ocsp = null; // if (chain.length >= 2 && ocspClient != null) { // ocsp = ocspClient.getEncoded((X509Certificate) chain[0], (X509Certificate) chain[1], null); // } // byte[] authenticatedAttributeBytes = sgn.getAuthenticatedAttributeBytes(hash, now, ocsp, crlBytes, sigtype); byte[] authenticatedAttributeBytes = sgn.getAuthenticatedAttributeBytes(hash, now, null, null, sigtype); // calcolo dell'impronta MessageDigest digester = MessageDigest.getInstance(signature.getDigestAlgorithm().getName()); byte[] fingerPrint = digester.digest(authenticatedAttributeBytes); // byte[] fingerPrint = Util.digest256(authenticatedAttributeBytes); signature.setAuthenticatedAttributeBytes(authenticatedAttributeBytes); signature.setFileId(sap.getStamper().getFileId()); // signature.setFileIDByteContent(TextUtil.byteToHex(sap.getStamper().getFileID().getBytes())); signature.setUnicodeModDate(sap.getStamper().getUnicodeModDate()); // signature.setModDateUnicodeString(sap.getStamper().getModDate().toUnicodeString()); signature.setSigningTime(now.getTime()); // SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSSZ"); // signature.setSignDate(sdf.format(now.getTime())); // this should be already done, but ... // closing streams try { is.close(); } catch (IOException e) { tracer.error("error on input stream", e); } return signature.toDigestSignature(DigestInfo.getInstance(signature.getDigestAlgorithm(), fingerPrint)); } catch (Exception e) { tracer.error("Unable to calculate finger print of PDF.", e); // throw new PDFException("Unable calculate finger print of PDF.", e); throw new SignatureException("Unable calculate finger print of PDF.", e); } }