&nbsp;<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="init(boolean, org.bouncycastle.crypto.CipherParameters)"><!-- --></A><H3>init</H3><PRE>void <B>init</B>(boolean&nbsp;forEncryption,          <A HREF="../../../org/bouncycastle/crypto/CipherParameters.html" title="interface in org.bouncycastle.crypto">CipherParameters</A>&nbsp;params)          throws java.lang.IllegalArgumentException</PRE><DL><DD>Initialise the cipher.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>forEncryption</CODE> - if true the cipher is initialised for  encryption, if false for decryption.<DD><CODE>params</CODE> - the key and other data required by the cipher.<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - if the params argument is inappropriate.</DL></DD></DL><HR><A NAME="getAlgorithmName()"><!-- --></A><H3>getAlgorithmName</H3><PRE>java.lang.String <B>getAlgorithmName</B>()</PRE><DL><DD>Return the name of the algorithm the cipher implements.<P><DD><DL><DT><B>Returns:</B><DD>the name of the algorithm the cipher implements.</DL></DD></DL><HR><A NAME="getBlockSize()"><!-- --></A><H3>getBlockSize</H3><PRE>int <B>getBlockSize</B>()</PRE><DL><DD>Return the block size for this cipher (in bytes).<P><DD><DL><DT><B>Returns:</B><DD>the block size for this cipher in bytes.</DL></DD></DL><HR><A NAME="processBlock(byte[], int, byte[], int)"><!-- --></A><H3>processBlock</H3><PRE>int <B>processBlock</B>(byte[]&nbsp;in,                 int&nbsp;inOff,                 byte[]&nbsp;out,                 int&nbsp;outOff)                 throws <A HREF="../../../org/bouncycastle/crypto/DataLengthException.html" title="class in org.bouncycastle.crypto">DataLengthException</A>,                        java.lang.IllegalStateException</PRE><DL><DD>Process one block of input from the array in and write it to the out array.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>in</CODE> - the array containing the input data.<DD><CODE>inOff</CODE> - offset into the in array the data starts at.<DD><CODE>out</CODE> - the array the output data will be copied into.<DD><CODE>outOff</CODE> - the offset into the out array the output will start at.<DT><B>Returns:</B><DD>the number of bytes processed and produced.<DT><B>Throws:</B><DD><CODE><A HREF="../../../org/bouncycastle/crypto/DataLengthException.html" title="class in org.bouncycastle.crypto">DataLengthException</A></CODE> - if there isn't enough data in in, or space in out.<DD><CODE>java.lang.IllegalStateException</CODE> - if the cipher isn't initialised.</DL></DD></DL><HR><A NAME="reset()"><!-- --></A><H3>reset</H3><PRE>void <B>reset</B>()</PRE><DL><DD>Reset the cipher. After resetting the cipher is in the same state as it was after the last init (if there was one).<P><DD><DL></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>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Bouncy Castle Cryptography Library 1.34</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../../org/bouncycastle/crypto/BasicAgreement.html" title="interface in org.bouncycastle.crypto"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../../org/bouncycastle/crypto/BufferedAsymmetricBlockCipher.html" title="class in org.bouncycastle.crypto"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../index.html?org/bouncycastle/crypto/BlockCipher.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="BlockCipher.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>