6 * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
7 *
8 * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * * Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * * Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * * Neither the names of PolarSSL or XySSL nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
31 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * /@endcode
38 */
39
40#include "ppp_opts.h"
41#if PPP_INCLUDED_POLARSSL_ARC4
42
43#ifndef PPP_INCLUDED_POLARSSL_ARC4_H
44#define PPP_INCLUDED_POLARSSL_ARC4_H
45
46/**
47 * \brief ARC4 context structure
48 */
49typedefstruct
50 {
51int x; /*!< permutation index */
52int y; /*!< permutation index */
53unsignedchar m[256]; /*!< permutation table */
54 }
55 arc4_context;
56
57#ifdef __cplusplus
58extern"C" {
59#endif
60
61/**
62 * \brief ARC4 key schedule
63 *
64 * \param ctx ARC4 context to be initialized
65 * \param key the secret key
66 * \param keylen length of the key
67 */
68void arc4_setup( arc4_context *ctx, unsignedchar *key, int keylen );
69
70/**
71 * \brief ARC4 cipher function
72 *
73 * \param ctx ARC4 context
74 * \param buf buffer to be processed
75 * \param buflen amount of data in buf
76 */
77void arc4_crypt( arc4_context *ctx, unsignedchar *buf, int buflen );
78
79#ifdef __cplusplus
80 }
81#endif
82
83#endif /* PPP_INCLUDED_POLARSSL_ARC4_H */
84
85#endif /* PPP_INCLUDED_POLARSSL_ARC4 */
Important Information for this Arm website
This site uses cookies to store information on your computer.
By continuing to use our site, you consent to our cookies.
If you are not happy with the use of these cookies, please review our
Cookie Policy
to learn how they can be disabled.
By disabling cookies, some features of the site will not work.
