/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.crypto;
/**
* Implementors will provide padding schemes for the respective ciphers.
*/
public interface Padder {
/**
* Pads the input according to the padding scheme dictated by the
* concrete implementor.
* @param queue containing data that must be padded
* @param count number of data bytes
* @return the number of padding bytes added */
public int pad(byte[] queue, int count);
/**
* Removes padding bytes.
* @param outBuff the output buffer
* @param size size of data
* @return the number of padding bytes
* @exception BadPaddingException if not properly padded
*/
public int unPad(byte[] outBuff, int size) throws BadPaddingException;
}
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