pdf-as-lib maven project files moved to pdf-as-lib

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 0 insertions, 598 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/signator/binary/BinarySignator_1_0_0.java b/src/main/java/at/gv/egiz/pdfas/impl/signator/binary/BinarySignator_1_0_0.java
deleted file mode 100644
index 7f18f0a..0000000
--- a/src/main/java/at/gv/egiz/pdfas/impl/signator/binary/BinarySignator_1_0_0.java
+++ /dev/null
@@ -1,598 +0,0 @@
-/**

- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>

- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a

- * joint initiative of the Federal Chancellery Austria and Graz University of

- * Technology.

- *

- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by

- * the European Commission - subsequent versions of the EUPL (the "Licence");

- * You may not use this work except in compliance with the Licence.

- * You may obtain a copy of the Licence at:

- * http://www.osor.eu/eupl/

- *

- * Unless required by applicable law or agreed to in writing, software

- * distributed under the Licence is distributed on an "AS IS" basis,

- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

- * See the Licence for the specific language governing permissions and

- * limitations under the Licence.

- *

- * This product combines work with different licenses. See the "NOTICE" text

- * file for details on the various modules and licenses.

- * The "NOTICE" text file is part of the distribution. Any derivative works

- * that you distribute must include a readable copy of the "NOTICE" text file.

- *

- * $Id: BinarySignator_1_0_0.java,v 1.1 2006/08/25 17:07:35 wprinz Exp $

- */

-package at.gv.egiz.pdfas.impl.signator.binary;

-

-import java.io.IOException;

-import java.io.InputStream;

-import java.io.OutputStream;

-import java.io.UnsupportedEncodingException;

-import java.nio.ByteBuffer;

-import java.nio.CharBuffer;

-import java.nio.charset.Charset;

-import java.util.ArrayList;

-import java.util.HashMap;

-import java.util.Iterator;

-import java.util.List;

-import java.util.regex.Matcher;

-import java.util.regex.Pattern;

-

-import org.apache.commons.lang.ArrayUtils;

-import org.apache.commons.logging.Log;

-import org.apache.commons.logging.LogFactory;

-

-import at.gv.egiz.pdfas.api.timestamp.TimeStamper;

-import at.gv.egiz.pdfas.exceptions.ErrorCode;

-import at.gv.egiz.pdfas.exceptions.framework.SignatorException;

-import at.gv.egiz.pdfas.framework.input.DataSource;

-import at.gv.egiz.pdfas.framework.input.PdfDataSource;

-import at.gv.egiz.pdfas.framework.output.DataSink;

-import at.gv.egiz.pdfas.framework.signator.Signator;

-import at.gv.egiz.pdfas.framework.signator.SignatorInformation;

-import at.gv.egiz.pdfas.impl.input.CompoundPdfDataSourceImpl;

-import at.gv.egiz.pdfas.impl.signator.IncrementalUpdateHelper;

-import at.gv.egiz.pdfas.utils.OgnlUtil;

-import at.knowcenter.wag.egov.egiz.PdfAS;

-import at.knowcenter.wag.egov.egiz.PdfASID;

-import at.knowcenter.wag.egov.egiz.cfg.OverridePropertyHolder;

-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;

-import at.knowcenter.wag.egov.egiz.exceptions.NormalizeException;

-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;

-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;

-import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;

-import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;

-import at.knowcenter.wag.egov.egiz.pdf.BinarySignature;

-import at.knowcenter.wag.egov.egiz.pdf.IncrementalUpdateInformation;

-import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;

-import at.knowcenter.wag.egov.egiz.pdf.ReplaceInfo;

-import at.knowcenter.wag.egov.egiz.pdf.StringInfo;

-import at.knowcenter.wag.egov.egiz.pdf.TablePos;

-import at.knowcenter.wag.egov.egiz.sig.SignatureData;

-import at.knowcenter.wag.egov.egiz.sig.SignatureDataImpl;

-import at.knowcenter.wag.egov.egiz.sig.SignatureFieldDefinition;

-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;

-import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;

-import at.knowcenter.wag.egov.egiz.sig.signatureobject.SignatureObjectHelper;

-import at.knowcenter.wag.egov.egiz.tools.Normalizer;

-import at.knowcenter.wag.exactparser.ByteArrayUtils;

-

-import com.lowagie.text.pdf.PdfPTable;

-

-/**

- * Signs the document binary.

- * 

- * <p>

- * In prepareSign, an Incremental Update is created that contains the Signature

- * block and the egiz dictionary. For formatting the layout, variable values are

- * filled with placeholders. After the layout has been fixed, all variable

- * fields (all holes in the byte ranges) are replaced with 0. This document is

- * then base64 encoded and signed.

- * </p>

- * <p>

- * In finishSign, the variable fields (values, /Cert) are replaced with the

- * values according to the encoding.

- * </p>

- * 

- * @author wprinz

- */

-public class BinarySignator_1_0_0 implements Signator {

-	// 04.11.2010 changed by exthex - fillReplacesWithValue no longer removes

-	// multiple newlines from values

-

-	private static Log log = LogFactory.getLog(BinarySignator_1_0_0.class);

-

-	/**

-	 * Settings key for baik enables signatures

-	 */

-	public static final String SIG_BAIK_ENABLED = "SIG_BAIK_ENABLED";

-

-	/**

-	 * The Pdf-AS ID of this Signator.

-	 */

-	public static final PdfASID MY_ID = new PdfASID(SignatorFactory.VENDOR,

-			SignatorFactory.TYPE_BINARY, SignatorFactory.VERSION_1_0_0);

-

-	private Normalizer normalizer;

-

-	/**

-	 * @see at.knowcenter.wag.egov.egiz.framework.Signator#getMyId()

-	 */

-	public PdfASID getMyId() {

-		return MY_ID;

-	}

-

-	/**

-	 * Default constructor.

-	 */

-	public BinarySignator_1_0_0() {

-		try {

-			this.normalizer = new Normalizer();

-		} catch (NormalizeException e) {

-			String msg = "Normalizer can not be initialized";

-			throw new RuntimeException(msg, new SignatureException(400, msg, e));

-		}

-	}

-

-	/**

-	 * @see at.gv.egiz.pdfas.framework.signator.Signator#prepareSign(PdfDataSource,

-	 *      String, TablePos, TimeStamper)

-	 */

-	public SignatorInformation prepareSign(PdfDataSource pdfDataSource,

-			String profile, TablePos pos, TimeStamper timeStamper)

-			throws SignatorException {

-		try {

-			// dferbas: has to be true everytime

-			boolean has_SIG_ID = true;

-

-			String baikStr = SettingsReader.getInstance().getSetting(

-					"sig_obj." + profile + ".key." + SIG_BAIK_ENABLED,

-					"default." + SIG_BAIK_ENABLED, "false");

-			boolean baikEnabled = "true".equalsIgnoreCase(baikStr);

-

-			if (baikEnabled) {

-				log.debug("BAIK enabled signature");

-			}

-

-			SignatureObject signature_object = PdfAS

-					.createSignatureObjectFromType(profile);

-			signature_object.fillValues(

-					(char) BinarySignature.LAYOUT_PLACEHOLDER, has_SIG_ID,

-					baikEnabled);

-

-			signature_object.setKZ(getMyId());

-

-			PdfPTable pdf_table = PdfAS

-					.createPdfPTableFromSignatureObject(signature_object);

-

-			PositioningInstruction pi = PdfAS.determineTablePositioning(pos,

-					profile, pdfDataSource, pdf_table);

-

-			List all_field_definitions = signature_object

-					.getSignatureTypeDefinition().getFieldDefinitions();

-			List variable_field_definitions = new ArrayList();

-			for (int i = 0; i < all_field_definitions.size(); i++) {

-				SignatureFieldDefinition sfd = (SignatureFieldDefinition) all_field_definitions

-						.get(i);

-				if (sfd.placeholder_length > 0) {

-					if (sfd.field_name.equals(SignatureTypes.SIG_ID)

-							&& has_SIG_ID == false) {

-						continue;

-					}

-

-					if (sfd.field_name.equals(SignatureTypes.SIG_ALG)

-							&& baikEnabled == false) {

-						continue;

-					}

-

-					variable_field_definitions.add(sfd);

-				}

-			}

-

-			List all_invisible_field_definitions = signature_object

-					.getSignatureTypeDefinition()

-					.getInvisibleFieldDefinitions();

-			List invisible_field_definitions = new ArrayList();

-			boolean isKZInvisible = false;

-			String invKZString = null;

-

-			for (int i = 0; i < all_invisible_field_definitions.size(); i++) {

-				SignatureFieldDefinition sfd = (SignatureFieldDefinition) all_invisible_field_definitions

-						.get(i);

-				if (sfd.field_name.equals(SignatureTypes.SIG_KZ)) {

-					isKZInvisible = true;

-					invKZString = signature_object.getKZ().toString();

-					continue;

-				}

-				if (sfd.field_name.equals(SignatureTypes.SIG_ID)

-						&& has_SIG_ID == false) {

-					continue;

-				}

-

-				if (sfd.field_name.equals(SignatureTypes.SIG_ALG)

-						&& baikEnabled == false) {

-					continue;

-				}

-				invisible_field_definitions.add(sfd);

-			}

-

-			// check if signature block is invisible, and if so and if also

-			// signature block is positioned

-			// on a new page, prevent pdf-as to do that, because why should make

-			// a new page just for an invisible block

-			// added by rpiazzi

-			if (signature_object.getSignatureTypeDefinition()

-					.getInvisibleFieldDefinitions().size() == SignatureTypes.REQUIRED_SIG_KEYS.length) {

-				if (pi.isMakeNewPage()) {

-					int pageNumber = pi.getPage();

-					pi = new PositioningInstruction(false, pageNumber - 1, 0, 0);

-				}

-			}

-			// end added

-

-			IncrementalUpdateInformation iui = IncrementalUpdateHelper

-					.writeIncrementalUpdate(pdfDataSource, pdf_table, profile,

-							pi, variable_field_definitions,

-							all_field_definitions, invisible_field_definitions,

-							invKZString, timeStamper, null, signature_object);

-

-			iui.invisible_field_definitions = invisible_field_definitions;

-

-			iui.invisibleKZString = invKZString;

-

-			String temp_string = iui.temp_ir_number

-					+ " " + iui.temp_ir_generation + " obj"; //$NON-NLS-1$//$NON-NLS-2$

-			byte[] temp_bytes = ArrayUtils.add(

-					temp_string.getBytes("US-ASCII"), 0, (byte) 0x0A);

-			int temp_start = ByteArrayUtils.lastIndexOf(iui.signed_pdf,

-					temp_bytes);

-			byte[] stream_bytes = new byte[] { '>', '>', 's', 't', 'r', 'e',

-					'a', 'm', 0x0A };

-			int stream_start = ByteArrayUtils.indexOf(iui.signed_pdf,

-					temp_start, stream_bytes);

-			iui.content_stream_start = stream_start + stream_bytes.length;

-

-			// update the stream indices

-			Iterator it = iui.replaces.iterator();

-			while (it.hasNext()) {

-				ReplaceInfo ri = (ReplaceInfo) it.next();

-

-				Iterator sit = ri.replaces.iterator();

-				while (sit.hasNext()) {

-					StringInfo si = (StringInfo) sit.next();

-					si.string_start += iui.content_stream_start;

-				}

-			}

-			// update KZ list indices:

-			if (!isKZInvisible) {

-				it = iui.kz_list.iterator();

-				while (it.hasNext()) {

-					StringInfo si = (StringInfo) it.next();

-					si.string_start += iui.content_stream_start;

-				}

-			}

-

-			BinarySignature.markByteRanges(iui);

-

-			// byte [] old_signed_pdf = iui.signed_pdf;

-			iui.signed_pdf = BinarySignature.prepareDataToSign(iui.signed_pdf,

-					iui.byte_ranges);

-

-			BinarySignatorInformation bsi = compressIUI(iui);

-			return bsi;

-

-		} catch (UnsupportedEncodingException e) {

-			throw new SignatorException(201, e);

-		} catch (PDFDocumentException e) {

-			throw new SignatorException(e.getErrorCode(), e);

-		} catch (PresentableException e) {

-			throw new SignatorException(201, e);

-		}

-	}

-

-	/**

-	 * @see at.gv.egiz.pdfas.framework.signator.Signator#finishSign(at.gv.egiz.pdfas.framework.signator.SignatorInformation,

-	 *      at.gv.egiz.pdfas.framework.output.DataSink)

-	 */

-	public void finishSign(SignatorInformation signatorInformation,

-			DataSink dataSink) throws SignatorException {

-		try {

-			IncrementalUpdateInformation iui = uncompressIUI((BinarySignatorInformation) signatorInformation);

-

-			// PERF: need to keep the whole pdf in mem for processing

-

-			// PdfAS.prefixID(iui.signed_signature_object, PdfAS.BINARY_ID);

-			fillReplacesWithValues(iui);

-

-			// This is needed so that certificates are stored

-			try {

-				iui.signed_signature_object.kz = getMyId().toString();

-				SignatureObjectHelper

-						.convertSignSignatureObjectToSignatureObject(

-								iui.signed_signature_object, iui.signProfile);

-			} catch (PresentableException e) {

-				throw new SignatorException(e);

-			}

-

-			BinarySignature.replaceCertificate(iui);

-			BinarySignature.replaceTimestamp(iui);

-			BinarySignature.replacePlaceholders(iui);

-			// dferbas: alternative sign attrib creation

-			// PdfReader reader = new PdfReader(iui.signed_pdf);

-			//

-			// OutputStream os =

-			// dataSink.createOutputStream(PdfAS.PDF_MIME_TYPE);

-			//

-			// try {

-			// PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0',

-			// null, true);

-			//

-			// BinarySignature.createAdobeSigAttrib(stamper,

-			// signatorInformation, signatorInformation.getActualTablePos());

-			//

-			// } catch (DocumentException e) {

-			// log.error("pdf error", e);

-			// throw new SignatorException(ErrorCode.CANNOT_WRITE_PDF, e);

-			// }

-

-			OutputStream os = dataSink.createOutputStream(PdfAS.PDF_MIME_TYPE);

-			os.write(iui.signed_pdf);

-			os.close();

-		} catch (PDFDocumentException e) {

-			throw new SignatorException(e.getErrorCode(), e);

-		} catch (IOException e) {

-			throw new SignatorException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);

-		}

-	}

-

-	/**

-	 * Reads the signature values from the signed signature object and fills the

-	 * corresponding value in the Replaces array.

-	 * 

-	 * @param iui

-	 *            The IncrementalUpdateInformation.

-	 */

-	protected void fillReplacesWithValues(final IncrementalUpdateInformation iui) {

-		try {

-			Iterator it = iui.replaces.iterator();

-			HashMap ognlCtx = new HashMap();

-			ognlCtx.put("iui", iui);

-			ognlCtx.put("sso", iui.signed_signature_object);

-			ognlCtx.put("issuer", iui.signed_signature_object.getIssuerDNMap());

-			ognlCtx.put("subject",

-					iui.signed_signature_object.getSubjectDNMap());

-			OgnlUtil ognl = new OgnlUtil(ognlCtx);

-

-			OverridePropertyHolder.setOgnlUtil(ognl);

-			while (it.hasNext()) {

-				ReplaceInfo ri = (ReplaceInfo) it.next();

-				String overrideVal = OverridePropertyHolder

-						.getProperty(ri.sfd.field_name);

-				if (overrideVal != null) {

-					ri.sfd.value = overrideVal;

-					ri.value = overrideVal;

-				} else if (ognl.containsExpression(ri.sfd.value)) { // dferbas

-					// evaluate expression

-					String res = ognl.compileMessage(ri.sfd.value);

-					ri.value = this.normalizer.normalize(res, true);

-					// Workaround added by rpiazzi

-					// a-trust wrongly encodes since July 2011, therefore some

-					// special characters (e.g. Umlaute) have

-					// to replaced by their right character

-					/*if ((ri.value.contains("&#252;")

-							|| ri.value.contains("&#228;")

-							|| ri.value.contains("&#246;")

-							|| ri.value.contains("&#225;")

-							|| ri.value.contains("&#223;")

-							|| ri.value.contains("&#214;")

-							|| ri.value.contains("&#224;")

-							|| ri.value.contains("&#233;")

-							|| ri.value.contains("&#250;") || ri.value

-								.contains("&#231;"))

-							&& (ri.sfd.field_name

-									.equals(SignatureTypes.SIG_SUBJECT))) {

-						if (ri.value.contains("&#252;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#252;", "�");

-							ri.value = ri.value.replace("&#252;", "�");

-						}

-						if (ri.value.contains("&#228;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#228;", "�");

-							ri.value = ri.value.replace("&#228;", "�");

-						}

-						if (ri.value.contains("&#246;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#246;", "�");

-							ri.value = ri.value.replace("&#246;", "�");

-						}

-						if (ri.value.contains("&#225;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#225;", "�");

-							ri.value = ri.value.replace("&#225;", "�");

-						}

-						if (ri.value.contains("&#223;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#223;", "�");

-							ri.value = ri.value.replace("&#223;", "�");

-						}

-						if (ri.value.contains("&#214;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#214;", "�");

-							ri.value = ri.value.replace("&#214;", "�");

-						}

-						if (ri.value.contains("&#224;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#224;", "�");

-							ri.value = ri.value.replace("&#224;", "�");

-						}

-						if (ri.value.contains("&#233;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#233;", "�");

-							ri.value = ri.value.replace("&#233;", "�");

-						}

-						if (ri.value.contains("&#250;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#250;", "�");

-							ri.value = ri.value.replace("&#250;", "�");

-						}

-						if (ri.value.contains("&#231;")) {

-							ri.sfd.value = ri.sfd.value.replace("&#231;", "�");

-							ri.value = ri.value.replace("&#231;", "�");

-						}

-					}*/

-					FixHandyAnsiEncoding(ri);

-					// end added

-				} else if (overrideVal == null) {

-					// If SUBJECT is not overridden and and also isn't an

-					// expression

-					// check whether a set value for subject exists.

-					// In this case take the value from the config file.

-					// Added by rpiazzi to make a static signator possible

-					// without having

-					// to override it any time

-					if (ri.sfd.field_name.equals(SignatureTypes.SIG_SUBJECT)) {

-						if (ri.sfd.value.length() != 0) {

-							ri.value = ri.sfd.value;

-						} else {

-							ri.value = iui.signed_signature_object

-									.retrieveStringValue(ri.sfd.field_name);

-						}

-					} else {

-						ri.value = iui.signed_signature_object

-								.retrieveStringValue(ri.sfd.field_name);

-					}

-				}

-			}

-		} finally {

-			OverridePropertyHolder.removeOgnlUtil();

-		}

-	}

-

-	private void FixHandyAnsiEncoding(ReplaceInfo ri) {

-		Pattern p = Pattern.compile("&#([0-9]+);");

-		Matcher m = p.matcher(ri.value);

-

-		int value = -1;

-

-		while (m.find()) {

-			value = Integer.parseInt(m.group(1));

-

-			if (value > 0 && value < 256) {

-

-				log.debug("Replacing Encoding &#" + m.group(1) + ";");

-				

-				byte[] buffer = new byte[1];

-

-				buffer[0] = (byte) value;

-

-				ByteBuffer bb = ByteBuffer.wrap(buffer);

-

-				CharBuffer cb = Charset.forName("CP1252").decode(bb);

-

-				String str = cb.toString();

-

-				ri.value = ri.value.replace("&#" + m.group(1) + ";", str);

-			}

-		}

-	}

-

-	/**

-	 * Forms the SignatureData to be used for signing.

-	 * 

-	 * @param iui

-	 *            The IncrementalUpdateInformation.

-	 * @return Returns the SignatureData to be used for signing.

-	 */

-	protected SignatureData formSignatureData(IncrementalUpdateInformation iui) {

-		// String document_text =

-		// BinarySignature.retrieveSignableTextFromData(iui.signed_pdf,

-		// iui.signed_pdf.length); // signed_pdf.length);

-		//

-		// byte[] data;

-		// try

-		// {

-		// data = document_text.getBytes("UTF-8"); //$NON-NLS-1$

-		// }

-		// catch (UnsupportedEncodingException e)

-		// {

-		// throw new RuntimeException("Very strange: UTF-8 character encoding

-		// not

-		// supported.", e); //$NON-NLS-1$

-		// }

-		DataSource ds = new CompoundPdfDataSourceImpl(iui.original_document,

-				iui.sign_iui_block);

-		SignatureData signature_data = new SignatureDataImpl(ds,

-				PdfAS.PDF_MIME_TYPE);

-

-		return signature_data;

-	}

-

-	protected BinarySignatorInformation compressIUI(

-			IncrementalUpdateInformation iui) {

-		iui.sign_iui_block = new byte[iui.signed_pdf.length

-				- iui.original_document.getLength()];

-		System.arraycopy(iui.signed_pdf, iui.original_document.getLength(),

-				iui.sign_iui_block, 0, iui.sign_iui_block.length);

-

-		iui.signature_data = formSignatureData(iui);

-

-		// remove the signed pdf from memory

-		iui.signed_pdf = null;

-

-		BinarySignatorInformation bsi = new BinarySignatorInformation();

-		bsi.originalDocument = iui.original_document;

-		bsi.incrementalUpdateBlock = iui.sign_iui_block;

-		bsi.signatureData = iui.signature_data;

-		bsi.replaces = iui.replaces;

-		bsi.cert_start = iui.cert_start;

-		bsi.cert_length = iui.cert_length;

-		bsi.enc_start = iui.enc_start;

-		bsi.enc_length = iui.enc_length;

-		bsi.atp = iui.actualTablePos;

-		bsi.signProfile = iui.signProfile;

-		bsi.timestamp_length = iui.timestamp_length;

-		bsi.timestamp_start = iui.timestamp_start;

-

-		return bsi;

-	}

-

-	protected IncrementalUpdateInformation uncompressIUI(

-			BinarySignatorInformation bsi) {

-		IncrementalUpdateInformation iui = new IncrementalUpdateInformation();

-

-		iui.original_document = bsi.originalDocument;

-		iui.sign_iui_block = bsi.incrementalUpdateBlock;

-		iui.signature_data = bsi.signatureData;

-		iui.replaces = bsi.replaces;

-		iui.cert_start = bsi.cert_start;

-		iui.cert_length = bsi.cert_length;

-		iui.enc_start = bsi.enc_start;

-		iui.enc_length = bsi.enc_length;

-		iui.actualTablePos = bsi.atp;

-		iui.signProfile = bsi.signProfile;

-		iui.timestamp_length = bsi.timestamp_length;

-		iui.timestamp_start = bsi.timestamp_start;

-

-		iui.signed_signature_object = bsi.signSignatureObject;

-

-		restoreSignedPdf(iui);

-

-		return iui;

-	}

-

-	protected void restoreSignedPdf(IncrementalUpdateInformation iui) {

-		iui.signed_pdf = new byte[iui.original_document.getLength()

-				+ iui.sign_iui_block.length];

-

-		try {

-			InputStream is = iui.original_document.createInputStream();

-			is.read(iui.signed_pdf, 0, iui.original_document.getLength());

-			is.close();

-		} catch (IOException e) {

-			throw new RuntimeException(e);

-		}

-

-		System.arraycopy(iui.sign_iui_block, 0, iui.signed_pdf,

-				iui.original_document.getLength(), iui.sign_iui_block.length);

-	}

-

-	public String getEncoding() {

-		// not used for binary signature

-		return "utf-8";

-

-	}

-

-}