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/*
 * arcfive.c - stubs for RC5 - NOT a working implementation!
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
/* $Id: arcfive.c,v 1.5 2004/04/27 23:04:36 gerv%gerv.net Exp $ */

#include "blapi.h"
#include "prerror.h"

/******************************************/
/*
** RC5 symmetric block cypher -- 64-bit block size
*/

/*
** Create a new RC5 context suitable for RC5 encryption/decryption.
**      "key" raw key data
**      "len" the number of bytes of key data
**      "iv" is the CBC initialization vector (if mode is NSS_RC5_CBC)
**      "mode" one of NSS_RC5 or NSS_RC5_CBC
**
** When mode is set to NSS_RC5_CBC the RC5 cipher is run in "cipher block
** chaining" mode.
*/
RC5Context *
RC5_CreateContext(const SECItem *key, unsigned int rounds,
                  unsigned int wordSize, const unsigned char *iv, int mode)
{
    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
    return NULL;
}

/*
** Destroy an RC5 encryption/decryption context.
**      "cx" the context
**      "freeit" if PR_TRUE then free the object as well as its sub-objects
*/
void 
RC5_DestroyContext(RC5Context *cx, PRBool freeit) 
{
    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
}

/*
** Perform RC5 encryption.
**      "cx" the context
**      "output" the output buffer to store the encrypted data.
**      "outputLen" how much data is stored in "output". Set by the routine
**         after some data is stored in output.
**      "maxOutputLen" the maximum amount of data that can ever be
**         stored in "output"
**      "input" the input data
**      "inputLen" the amount of input data
*/
SECStatus 
RC5_Encrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen, 
	    unsigned int maxOutputLen, 
	    const unsigned char *input, unsigned int inputLen)
{
    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
    return SECFailure;
}

/*
** Perform RC5 decryption.
**      "cx" the context
**      "output" the output buffer to store the decrypted data.
**      "outputLen" how much data is stored in "output". Set by the routine
**         after some data is stored in output.
**      "maxOutputLen" the maximum amount of data that can ever be
**         stored in "output"
**      "input" the input data
**      "inputLen" the amount of input data
*/
SECStatus 
RC5_Decrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen, 
	    unsigned int maxOutputLen,
            const unsigned char *input, unsigned int inputLen)
{
    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
    return SECFailure;
}