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pdfbox (pdfbox.apache.org) with AES support, and reworked digital signature http://pdfbox.apache.org
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=================================================== Apache PDFBox <http://pdfbox.apache.org/> =================================================== The Apache PDFBox library is an open source Java tool for working with PDF documents. This project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. PDFBox also includes several command line utilities. PDFBox is published under the Apache License, Version 2.0. You need Java 5 (or higher) and Maven 2 <http://maven.apache.org/> to build PDFBox. The recommended build command is: mvn clean install The default build will compile the Java sources and package the binary classes into jar packages. See the Maven documentation for all the other available build options. There is also an Ant build that you can use to build the same binaries. The Ant build can also produce .NET DLLs if you have IKVM.NET <http://www.ikvm.net/> installed. See the build.xml file in the pdfbox subdirectory for details. PDFBox is a project of the Apache Software Foundation <http://www.apache.org/>. Known Limitations and Problems ============================== See the issue tracker at https://issues.apache.org/jira/browse/PDFBOX for the full list of known issues and requested features. Some of the more commont issues are: 1. You get text like "G38G43G36G51G5" instead of what you expect when you are extracting text. This is because the characters are a meaningless internal encoding that point to glyphs that are embedded in the PDF document. The only way to access the text is to use OCR. This may be a future enhancement. 2. You get an error message like "java.io.IOException: Can't handle font width" this MIGHT be due to the fact that you don't have the org/apache/pdfbox/resources directory in your classpath. The easiest solution is to simply include the apache-pdfbox-x.x.x.jar in your classpath. 3. You get text that has the correct characters, but in the wrong order. This mght be because you have not enabled sorting. The text in PDF files is stored in chunks and the chunks do not need to be stored in the order that they are displayed on a page. By default, PDFBox does not sort the text. Also, if you have text in a language that reads right to left (such as Arabic or Hebrew), make sure you have the ICU4J jar file in your classpath. This library is needed to properly hande right to left text. License (see also LICENSE.txt) ============================== Collective work: Copyright 2011 The Apache Software Foundation. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. Unmodifiable files ================== Apache PDFBox contains the Adobe glyph list file that may be redistributed only in *unmodified* form. See the LICENSE file for the exact licensing conditions. Export control ============== This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See <http://www.wassenaar.org/> for more information. The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this Apache Software Foundation distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code. The following provides more details on the included cryptographic software: Apache PDFBox uses the Java Cryptography Architecture (JCA) and the Bouncy Castle libraries for handling encryption in PDF documents.