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PDFEncryption (PDFBox-0.7.3 API)
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org.pdfbox.encryption</FONT>
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Class PDFEncryption</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>org.pdfbox.encryption.PDFEncryption</B>
</PRE>
<HR>
<B>Deprecated.</B> <I>use the new security layer instead</I>
<P>
<DL>
<DT>public final class <B>PDFEncryption</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>
<P>
This class will deal with PDF encryption algorithms.
<P>
<P>
<DL>
<DT><B>Version:</B></DT>
<DD>$Revision: 1.15 $</DD>
<DT><B>Author:</B></DT>
<DD><a href="mailto:ben@benlitchfield.com">Ben Litchfield</a></DD>
<DT><B>See Also:</B><DD><A HREF="../../../org/pdfbox/pdmodel/encryption/StandardSecurityHandler.html" title="class in org.pdfbox.pdmodel.encryption"><CODE>StandardSecurityHandler</CODE></A></DL>
<HR>
<P>
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<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#ENCRYPT_PADDING">ENCRYPT_PADDING</A></B></CODE>
<BR>
<B>Deprecated.</B> The encryption padding defined in the PDF 1.4 Spec algorithm 3.2.</TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#PDFEncryption()">PDFEncryption</A></B>()</CODE>
<BR>
<B>Deprecated.</B> </TD>
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<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#computeEncryptedKey(byte[], byte[], int, byte[], int, int)">computeEncryptedKey</A></B>(byte[] password,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)</CODE>
<BR>
<B>Deprecated.</B> This will compute the encrypted key.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#computeOwnerPassword(byte[], byte[], int, int)">computeOwnerPassword</A></B>(byte[] ownerPassword,
byte[] userPassword,
int revision,
int length)</CODE>
<BR>
<B>Deprecated.</B> This algorithm is taked from PDF Reference 1.4 Algorithm 3.3 Page 79.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#computeUserPassword(byte[], byte[], int, byte[], int, int)">computeUserPassword</A></B>(byte[] password,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)</CODE>
<BR>
<B>Deprecated.</B> This will compute the user password hash.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#encryptData(long, long, byte[], java.io.InputStream, java.io.OutputStream)">encryptData</A></B>(long objectNumber,
long genNumber,
byte[] key,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html" title="class or interface in java.io">InputStream</A> data,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/OutputStream.html" title="class or interface in java.io">OutputStream</A> output)</CODE>
<BR>
<B>Deprecated.</B> This will encrypt a piece of data.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#getUserPassword(byte[], byte[], int, long)">getUserPassword</A></B>(byte[] ownerPassword,
byte[] o,
int revision,
long length)</CODE>
<BR>
<B>Deprecated.</B> This will get the user password from the owner password and the documents o value.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#isOwnerPassword(byte[], byte[], byte[], int, byte[], int, int)">isOwnerPassword</A></B>(byte[] ownerPassword,
byte[] u,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)</CODE>
<BR>
<B>Deprecated.</B> This will tell if this is the owner password or not.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/pdfbox/encryption/PDFEncryption.html#isUserPassword(byte[], byte[], byte[], int, byte[], int, int)">isUserPassword</A></B>(byte[] password,
byte[] u,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)</CODE>
<BR>
<B>Deprecated.</B> This will tell if this is a valid user password.
</TD>
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</TABLE>
<A NAME="ENCRYPT_PADDING"><!-- --></A><H3>
ENCRYPT_PADDING</H3>
<PRE>
public static final byte[] <B>ENCRYPT_PADDING</B></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>The encryption padding defined in the PDF 1.4 Spec algorithm 3.2.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="PDFEncryption()"><!-- --></A><H3>
PDFEncryption</H3>
<PRE>
public <B>PDFEncryption</B>()</PRE>
<DL>
<DD><B>Deprecated.</B> </DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="encryptData(long, long, byte[], java.io.InputStream, java.io.OutputStream)"><!-- --></A><H3>
encryptData</H3>
<PRE>
public final void <B>encryptData</B>(long objectNumber,
long genNumber,
byte[] key,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html" title="class or interface in java.io">InputStream</A> data,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/OutputStream.html" title="class or interface in java.io">OutputStream</A> output)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will encrypt a piece of data.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>objectNumber</CODE> - The id for the object.<DD><CODE>genNumber</CODE> - The generation id for the object.<DD><CODE>key</CODE> - The key used to encrypt the data.<DD><CODE>data</CODE> - The data to encrypt/decrypt.<DD><CODE>output</CODE> - The stream to write to.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error encrypting the data.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an io error.</DL>
</DD>
</DL>
<HR>
<A NAME="getUserPassword(byte[], byte[], int, long)"><!-- --></A><H3>
getUserPassword</H3>
<PRE>
public final byte[] <B>getUserPassword</B>(byte[] ownerPassword,
byte[] o,
int revision,
long length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will get the user password from the owner password and the documents o value.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ownerPassword</CODE> - The plaintext owner password.<DD><CODE>o</CODE> - The document's o entry.<DD><CODE>revision</CODE> - The document revision number.<DD><CODE>length</CODE> - The length of the encryption.
<DT><B>Returns:</B><DD>The plaintext padded user password.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error getting the user password.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an error reading data.</DL>
</DD>
</DL>
<HR>
<A NAME="isOwnerPassword(byte[], byte[], byte[], int, byte[], int, int)"><!-- --></A><H3>
isOwnerPassword</H3>
<PRE>
public final boolean <B>isOwnerPassword</B>(byte[] ownerPassword,
byte[] u,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will tell if this is the owner password or not.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ownerPassword</CODE> - The plaintext owner password.<DD><CODE>u</CODE> - The U value from the PDF Document.<DD><CODE>o</CODE> - The owner password hash.<DD><CODE>permissions</CODE> - The document permissions.<DD><CODE>id</CODE> - The document id.<DD><CODE>revision</CODE> - The revision of the encryption.<DD><CODE>length</CODE> - The length of the encryption key.
<DT><B>Returns:</B><DD>true if the owner password matches the one from the document.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error while executing crypt functions.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an error while checking owner password.</DL>
</DD>
</DL>
<HR>
<A NAME="isUserPassword(byte[], byte[], byte[], int, byte[], int, int)"><!-- --></A><H3>
isUserPassword</H3>
<PRE>
public final boolean <B>isUserPassword</B>(byte[] password,
byte[] u,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will tell if this is a valid user password.
Algorithm 3.6 pg 80
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>password</CODE> - The password to test.<DD><CODE>u</CODE> - The U value from the PDF Document.<DD><CODE>o</CODE> - The owner password hash.<DD><CODE>permissions</CODE> - The document permissions.<DD><CODE>id</CODE> - The document id.<DD><CODE>revision</CODE> - The revision of the encryption.<DD><CODE>length</CODE> - The length of the encryption key.
<DT><B>Returns:</B><DD>true If this is the correct user password.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error computing the value.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an IO error while computing the owners password.</DL>
</DD>
</DL>
<HR>
<A NAME="computeUserPassword(byte[], byte[], int, byte[], int, int)"><!-- --></A><H3>
computeUserPassword</H3>
<PRE>
public final byte[] <B>computeUserPassword</B>(byte[] password,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will compute the user password hash.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>password</CODE> - The plain text password.<DD><CODE>o</CODE> - The owner password hash.<DD><CODE>permissions</CODE> - The document permissions.<DD><CODE>id</CODE> - The document id.<DD><CODE>revision</CODE> - The revision of the encryption.<DD><CODE>length</CODE> - The length of the encryption key.
<DT><B>Returns:</B><DD>The user password.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error computing the user password.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an IO error.</DL>
</DD>
</DL>
<HR>
<A NAME="computeEncryptedKey(byte[], byte[], int, byte[], int, int)"><!-- --></A><H3>
computeEncryptedKey</H3>
<PRE>
public final byte[] <B>computeEncryptedKey</B>(byte[] password,
byte[] o,
int permissions,
byte[] id,
int revision,
int length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This will compute the encrypted key.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>password</CODE> - The password used to compute the encrypted key.<DD><CODE>o</CODE> - The owner password hash.<DD><CODE>permissions</CODE> - The permissions for the document.<DD><CODE>id</CODE> - The document id.<DD><CODE>revision</CODE> - The security revision.<DD><CODE>length</CODE> - The length of the encryption key.
<DT><B>Returns:</B><DD>The encryption key.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error computing the key.</DL>
</DD>
</DL>
<HR>
<A NAME="computeOwnerPassword(byte[], byte[], int, int)"><!-- --></A><H3>
computeOwnerPassword</H3>
<PRE>
public final byte[] <B>computeOwnerPassword</B>(byte[] ownerPassword,
byte[] userPassword,
int revision,
int length)
throws <A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A>,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Deprecated.</B> <DD>This algorithm is taked from PDF Reference 1.4 Algorithm 3.3 Page 79.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ownerPassword</CODE> - The plain owner password.<DD><CODE>userPassword</CODE> - The plain user password.<DD><CODE>revision</CODE> - The version of the security.<DD><CODE>length</CODE> - The length of the document.
<DT><B>Returns:</B><DD>The computed owner password.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/pdfbox/exceptions/CryptographyException.html" title="class in org.pdfbox.exceptions">CryptographyException</A></CODE> - If there is an error computing O.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If there is an error computing O.</DL>
</DD>
</DL>
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