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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.6.0_04) on Sat May 17 11:57:55 CEST 2008 --><TITLE>PdfEncryptionSettings</TITLE><META NAME="date" CONTENT="2008-05-17"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ if (location.href.indexOf('is-external=true') == -1) { parent.document.title="PdfEncryptionSettings"; }}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><HR><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href="http://www.1t3xt.com/docs/book.php" target="_blank"><img src="http://www.1t3xt.com/img/book/lowagie_3d.jpg" border="0" /></a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfDocumentActions.html" title="interface in com.lowagie.text.pdf.interfaces"><B>PREV CLASS</B></A> <A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfPageActions.html" title="interface in com.lowagie.text.pdf.interfaces"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html?com/lowagie/text/pdf/interfaces/PdfEncryptionSettings.html" target="_top"><B>FRAMES</B></A> <A HREF="PdfEncryptionSettings.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.lowagie.text.pdf.interfaces</FONT><BR>Interface PdfEncryptionSettings</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../com/lowagie/text/pdf/FdfWriter.Wrt.html" title="class in com.lowagie.text.pdf">FdfWriter.Wrt</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfCopy.html" title="class in com.lowagie.text.pdf">PdfCopy</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfCopyFields.html" title="class in com.lowagie.text.pdf">PdfCopyFields</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfCopyFieldsImp.html" title="class in com.lowagie.text.pdf">PdfCopyFieldsImp</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfSmartCopy.html" title="class in com.lowagie.text.pdf">PdfSmartCopy</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfStamper.html" title="class in com.lowagie.text.pdf">PdfStamper</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfStamperImp.html" title="class in com.lowagie.text.pdf">PdfStamperImp</A>, <A HREF="../../../../../com/lowagie/text/pdf/PdfWriter.html" title="class in com.lowagie.text.pdf">PdfWriter</A></DD></DL><HR><DL><DT><PRE>public interface <B>PdfEncryptionSettings</B></DL></PRE><P>Encryption settings are described in section 3.5 (more specifically section 3.5.2) of the PDF Reference 1.7. They are explained in section 3.3.3 of the book 'iText in Action'. The values of the different preferences were originally stored in class PdfWriter, but they have been moved to this separate interface for reasons of convenience.<P><P><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfEncryptionSettings.html#setEncryption(byte[], byte[], int, int)">setEncryption</A></B>(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType)</CODE><BR> Sets the encryption options for this document.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfEncryptionSettings.html#setEncryption(java.security.cert.Certificate[], int[], int)">setEncryption</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/cert/Certificate.html?is-external=true" title="class or interface in java.security.cert">Certificate</A>[] certs, int[] permissions, int encryptionType)</CODE><BR> Sets the certificate encryption options for this document.</TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="setEncryption(byte[], byte[], int, int)"><!-- --></A><H3>setEncryption</H3><PRE>void <B>setEncryption</B>(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType) throws <A HREF="../../../../../com/lowagie/text/DocumentException.html" title="class in com.lowagie.text">DocumentException</A></PRE><DL><DD>Sets the encryption options for this document. The userPassword and the ownerPassword can be null or have zero length. In this case the ownerPassword is replaced by a random string. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>userPassword</CODE> - the user password. Can be null or empty<DD><CODE>ownerPassword</CODE> - the owner password. Can be null or empty<DD><CODE>permissions</CODE> - the user permissions<DD><CODE>encryptionType</CODE> - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128. Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext<DT><B>Throws:</B><DD><CODE><A HREF="../../../../../com/lowagie/text/DocumentException.html" title="class in com.lowagie.text">DocumentException</A></CODE> - if the document is already open</DL></DD></DL><HR><A NAME="setEncryption(java.security.cert.Certificate[], int[], int)"><!-- --></A><H3>setEncryption</H3><PRE>void <B>setEncryption</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/cert/Certificate.html?is-external=true" title="class or interface in java.security.cert">Certificate</A>[] certs, int[] permissions, int encryptionType) throws <A HREF="../../../../../com/lowagie/text/DocumentException.html" title="class in com.lowagie.text">DocumentException</A></PRE><DL><DD>Sets the certificate encryption options for this document. An array of one or more public certificates must be provided together with an array of the same size for the permissions for each certificate. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them. Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext<P><DD><DL><DT><B>Parameters:</B><DD><CODE>certs</CODE> - the public certificates to be used for the encryption<DD><CODE>permissions</CODE> - the user permissions for each of the certificates<DD><CODE>encryptionType</CODE> - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.<DT><B>Throws:</B><DD><CODE><A HREF="../../../../../com/lowagie/text/DocumentException.html" title="class in com.lowagie.text">DocumentException</A></CODE> - if the document is already open</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>Hosted by <a href="http://www.hostbasket.com/">Hostbasket</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfDocumentActions.html" title="interface in com.lowagie.text.pdf.interfaces"><B>PREV CLASS</B></A> <A HREF="../../../../../com/lowagie/text/pdf/interfaces/PdfPageActions.html" title="interface in com.lowagie.text.pdf.interfaces"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html?com/lowagie/text/pdf/interfaces/PdfEncryptionSettings.html" target="_top"><B>FRAMES</B></A> <A HREF="PdfEncryptionSettings.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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