pdfencryption.html

IText PDF开发工具说明文档,使用很方便。

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../com/lowagie/text/pdf/PdfDictionary.html" title="class in com.lowagie.text.pdf">PdfDictionary</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#getEncryptionDictionary()">getEncryptionDictionary</A></B>()</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../com/lowagie/text/pdf/OutputStreamEncryption.html" title="class in com.lowagie.text.pdf">OutputStreamEncryption</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#getEncryptionStream(java.io.OutputStream)">getEncryptionStream</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;os)</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../com/lowagie/text/pdf/PdfObject.html" title="class in com.lowagie.text.pdf">PdfObject</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#getFileID()">getFileID</A></B>()</CODE>

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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#isMetadataEncrypted()">isMetadataEncrypted</A></B>()</CODE>

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<CODE>private &nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#padPassword(byte[])">padPassword</A></B>(byte[]&nbsp;userPassword)</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setCryptoMode(int, int)">setCryptoMode</A></B>(int&nbsp;mode,
              int&nbsp;kl)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setHashKey(int, int)">setHashKey</A></B>(int&nbsp;number,
           int&nbsp;generation)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupAllKeys(byte[], byte[], int)">setupAllKeys</A></B>(byte[]&nbsp;userPassword,
             byte[]&nbsp;ownerPassword,
             int&nbsp;permissions)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupByEncryptionKey(byte[], int)">setupByEncryptionKey</A></B>(byte[]&nbsp;key,
                     int&nbsp;keylength)</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupByOwnerPad(byte[], byte[], byte[], byte[], int)">setupByOwnerPad</A></B>(byte[]&nbsp;documentID,
                byte[]&nbsp;ownerPad,
                byte[]&nbsp;userKey,
                byte[]&nbsp;ownerKey,
                int&nbsp;permissions)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupByOwnerPassword(byte[], byte[], byte[], byte[], int)">setupByOwnerPassword</A></B>(byte[]&nbsp;documentID,
                     byte[]&nbsp;ownerPassword,
                     byte[]&nbsp;userKey,
                     byte[]&nbsp;ownerKey,
                     int&nbsp;permissions)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupByUserPad(byte[], byte[], byte[], int)">setupByUserPad</A></B>(byte[]&nbsp;documentID,
               byte[]&nbsp;userPad,
               byte[]&nbsp;ownerKey,
               int&nbsp;permissions)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupByUserPassword(byte[], byte[], byte[], int)">setupByUserPassword</A></B>(byte[]&nbsp;documentID,
                    byte[]&nbsp;userPassword,
                    byte[]&nbsp;ownerKey,
                    int&nbsp;permissions)</CODE>

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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupGlobalEncryptionKey(byte[], byte[], byte[], int)">setupGlobalEncryptionKey</A></B>(byte[]&nbsp;documentID,
                         byte[]&nbsp;userPad,
                         byte[]&nbsp;ownerKey,
                         int&nbsp;permissions)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ownerKey, documentID must be setup</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfEncryption.html#setupUserKey()">setupUserKey</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mkey must be setup</TD>
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</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="STANDARD_ENCRYPTION_40"><!-- --></A><H3>
STANDARD_ENCRYPTION_40</H3>
<PRE>
public static final int <B>STANDARD_ENCRYPTION_40</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.lowagie.text.pdf.PdfEncryption.STANDARD_ENCRYPTION_40">Constant Field Values</A></DL>
</DL>
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<A NAME="STANDARD_ENCRYPTION_128"><!-- --></A><H3>
STANDARD_ENCRYPTION_128</H3>
<PRE>
public static final int <B>STANDARD_ENCRYPTION_128</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.lowagie.text.pdf.PdfEncryption.STANDARD_ENCRYPTION_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="AES_128"><!-- --></A><H3>
AES_128</H3>
<PRE>
public static final int <B>AES_128</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.lowagie.text.pdf.PdfEncryption.AES_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="pad"><!-- --></A><H3>
pad</H3>
<PRE>
private static final byte[] <B>pad</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="salt"><!-- --></A><H3>
salt</H3>
<PRE>
private static final byte[] <B>salt</B></PRE>
<DL>
<DL>
</DL>
</DL>
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<A NAME="metadataPad"><!-- --></A><H3>
metadataPad</H3>
<PRE>
private static final byte[] <B>metadataPad</B></PRE>
<DL>
<DL>
</DL>
</DL>
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<A NAME="key"><!-- --></A><H3>
key</H3>
<PRE>
byte[] <B>key</B></PRE>
<DL>
<DD>The encryption key for a particular object/generation
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="keySize"><!-- --></A><H3>
keySize</H3>
<PRE>
int <B>keySize</B></PRE>
<DL>
<DD>The encryption key length for a particular object/generation
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="mkey"><!-- --></A><H3>
mkey</H3>
<PRE>
byte[] <B>mkey</B></PRE>
<DL>
<DD>The global encryption key
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="extra"><!-- --></A><H3>
extra</H3>
<PRE>
byte[] <B>extra</B></PRE>
<DL>
<DD>Work area to prepare the object/generation bytes
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="md5"><!-- --></A><H3>
md5</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/MessageDigest.html?is-external=true" title="class or interface in java.security">MessageDigest</A> <B>md5</B></PRE>
<DL>
<DD>The message digest algorithm MD5
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="ownerKey"><!-- --></A><H3>
ownerKey</H3>
<PRE>
byte[] <B>ownerKey</B></PRE>
<DL>
<DD>The encryption key for the owner
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="userKey"><!-- --></A><H3>
userKey</H3>
<PRE>
byte[] <B>userKey</B></PRE>
<DL>
<DD>The encryption key for the user
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="publicKeyHandler"><!-- --></A><H3>
publicKeyHandler</H3>
<PRE>
protected <A HREF="../../../../com/lowagie/text/pdf/PdfPublicKeySecurityHandler.html" title="class in com.lowagie.text.pdf">PdfPublicKeySecurityHandler</A> <B>publicKeyHandler</B></PRE>
<DL>
<DD>The public key security handler for certificate encryption
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="permissions"><!-- --></A><H3>
permissions</H3>
<PRE>
int <B>permissions</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="documentID"><!-- --></A><H3>
documentID</H3>
<PRE>
byte[] <B>documentID</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="seq"><!-- --></A><H3>
seq</H3>
<PRE>
static long <B>seq</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="revision"><!-- --></A><H3>
revision</H3>
<PRE>
private int <B>revision</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="arcfour"><!-- --></A><H3>
arcfour</H3>
<PRE>
private <A HREF="../../../../com/lowagie/text/pdf/crypto/ARCFOUREncryption.html" title="class in com.lowagie.text.pdf.crypto">ARCFOUREncryption</A> <B>arcfour</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="keyLength"><!-- --></A><H3>
keyLength</H3>
<PRE>
private int <B>keyLength</B></PRE>
<DL>
<DD>The generic key length. It may be 40 or 128.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="encryptMetadata"><!-- --></A><H3>
encryptMetadata</H3>
<PRE>
private boolean <B>encryptMetadata</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="cryptoMode"><!-- --></A><H3>
cryptoMode</H3>
<PRE>
private int <B>cryptoMode</B></PRE>
<DL>
<DL>