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<p class="MsoPlainText"><span lang="EN-US">Hi Michael,<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Thanks a lot for your hint!<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">But I still got some problems. With your suggestion, I used these two jars which looks like the new version.
<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:15.75pt;mso-para-margin-left:1.5gd"><i><span lang="EN-US">-odfdom-java-0.8.10-incubation-SNAPSHOT-jar-with-dependencies.jar<o:p></o:p></span></i></p>
<p class="MsoPlainText" style="margin-left:15.75pt;mso-para-margin-left:1.5gd"><i><span lang="EN-US">-simple-odf-0.8.1-incubation-SNAPSHOT-jar-with-dependencies.jar<o:p></o:p></span></i></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">ENV: Libreoffice 4.1.4.2 & Libreoffice 3.x / java 1.7<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Open a .ods file manually, save it with password.
<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><i><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span></i><![endif]><span lang="EN-US">In code, execute </span><b><span lang="EN-US" style="font-family:"Courier New"">“</span><span lang="EN-US">SpreadsheetDocument.loadDocument(File file, String password)</span></b><b><span lang="EN-US" style="font-family:"Courier New"">”</span></b><span lang="EN-US">,
it always throw NullPointer Exception.<i><o:p></o:p></i></span></p>
<p class="MsoPlainText" style="margin-left:18.0pt"><span lang="EN-US">->After checking the source code, the code in ZipHelper.line87:
<b>System.getProperty(</b></span><b><span lang="EN-US" style="font-family:"Courier New"">“</span><span lang="EN-US">Java.version</span></b><b><span lang="EN-US" style="font-family:"Courier New"">”</span><span lang="EN-US">).equals(</span></b><b><span lang="EN-US" style="font-family:"Courier New"">…</span><span lang="EN-US">)
</span></b><span lang="EN-US">in try/catch will throw NullPointer.<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:18.0pt"><span lang="EN-US">->Obviously the parameter here should use
</span><span lang="EN-US" style="font-family:"Courier New"">“</span><span lang="EN-US">java.version</span><span lang="EN-US" style="font-family:"Courier New"">”</span><span lang="EN-US"> instead, but the code in line83: inputStream.getNextEntry() always throw
java.util.zip.ZipException: only DEFLATED entries can have EXT descriptor, which is the key reason.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Then I tried API to load a unencrypted .ods file and save it with password with code
<b>org.odftoolkit.simple.Document.save(File file, String pasword)</b>. In this case, I can load the encrypted file with code.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Based on this situation, I don</span><span lang="EN-US" style="font-family:"Courier New"">’</span><span lang="EN-US">t know if you tried with this API before. And do you have some more information?<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Thanks again! <o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Best Regards<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">William<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">-----Original Message-----<br>
From: Michael Stahl [mailto:mstahl@redhat.com] <br>
Sent: 2016</span><span style="font-family:宋体">年</span><span lang="EN-US">1</span><span style="font-family:宋体">月</span><span lang="EN-US">5</span><span style="font-family:宋体">日</span><span lang="EN-US"> 0:39<br>
To: Zhang, William; libreoffice@lists.freedesktop.org<br>
Subject: Re: How to decrypt ods file</span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">On 25.12.2015 06:08, Zhang, William wrote:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">> <o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">> Does anyone know how to decrypt an encrypted Libreoffice Calc file
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">> with Java or other languages? Or even some workarounds. Thanks a lot!<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">the Apache ODF Toolkit ODFDOM library supports ODF encryption, at least with the "old" Blowfish/SHA1 algorithms that were used in LO <= 3.5 (i'm not aware if anybody has added support for AES, which is used since LO
3.5).<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><a href="http://incubator.apache.org/odftoolkit/odfdom/index.html"><span style="color:windowtext;text-decoration:none">http://incubator.apache.org/odftoolkit/odfdom/index.html</span></a><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">see the "password" parameter on the constructor of class org.odftoolkit.odfdom.pkg.OdfPackage<o:p></o:p></span></p>
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