<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>ProtectionPolicy.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">Apache PDFBox</a> > <a href="index.source.html" class="el_package">org.apache.pdfbox.pdmodel.encryption</a> > <span class="el_source">ProtectionPolicy.java</span></div><h1>ProtectionPolicy.java</h1><pre class="source lang-java linenums">/* * 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. */ package org.apache.pdfbox.pdmodel.encryption; /** * This class represents the protection policy to apply to a document. * * Objects implementing this abstract class can be passed to the protect method of PDDocument * to protect a document. * * @see org.apache.pdfbox.pdmodel.PDDocument#protect(ProtectionPolicy) * * @author Benoit Guillon (benoit.guillon@snv.jussieu.fr) */ <span class="fc" id="L30">public abstract class ProtectionPolicy</span> { private static final short DEFAULT_KEY_LENGTH = 40; <span class="fc" id="L35"> private short encryptionKeyLength = DEFAULT_KEY_LENGTH;</span> <span class="fc" id="L36"> private boolean preferAES = false;</span> /** * set the length in (bits) of the secret key that will be * used to encrypt document data. * The default value is 40 bits, which provides a low security level * but is compatible with old versions of Acrobat Reader. * * @param l the length in bits (must be 40, 128 or 256) */ public void setEncryptionKeyLength(int l) { <span class="pc bpc" id="L48" title="1 of 6 branches missed."> if(l!=40 && l!=128 && l!=256)</span> { <span class="nc" id="L50"> throw new IllegalArgumentException("Invalid key length '" + l + "' value must be 40, 128 or 256!");</span> } <span class="fc" id="L52"> encryptionKeyLength = (short) l;</span> <span class="fc" id="L53"> }</span> /** * Get the length of the secrete key that will be used to encrypt * document data. * * @return The length (in bits) of the encryption key. */ public int getEncryptionKeyLength() { <span class="fc" id="L63"> return encryptionKeyLength;</span> } /** * Tell whether AES encryption is preferred when several encryption methods are available for * the chosen key length. The default is false. This setting is only relevant if the key length * is 128 bits. * * @return true if AES encryption is preferred */ public boolean isPreferAES() { <span class="fc" id="L75"> return this.preferAES;</span> } /** * Set whether AES encryption is preferred when several encryption methods are available for the * chosen key length. The default is false. This setting is only relevant if the key length is * 128 bits. * * @param preferAES */ public void setPreferAES(boolean preferAES) { <span class="fc" id="L87"> this.preferAES = preferAES;</span> <span class="fc" id="L88"> }</span> } </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.8.202204050719</span></div></body></html>