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/*
* pppcrypt.c - PPP/DES linkage for MS-CHAP and EAP SRP-SHA1
*
* Extracted from chap_ms.c by James Carlson.
*
* Copyright (c) 1995 Eric Rosenquist. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "netif/ppp/ppp_opts.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
/* This header file is included in all PPP modules needing hashes and/or ciphers */
#ifndef PPPCRYPT_H
#define PPPCRYPT_H
/*
* If included PolarSSL copy is not used, user is expected to include
* external libraries in arch/cc.h (which is included by lwip/arch.h).
*/
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Map hashes and ciphers functions to PolarSSL
*/
#if !LWIP_USE_EXTERNAL_MBEDTLS
#include "netif/ppp/polarssl/md4.h"
#define lwip_md4_context md4_context
#define lwip_md4_init(context)
#define lwip_md4_starts md4_starts
#define lwip_md4_update md4_update
#define lwip_md4_finish md4_finish
#define lwip_md4_free(context)
#include "netif/ppp/polarssl/md5.h"
#define lwip_md5_context md5_context
#define lwip_md5_init(context)
#define lwip_md5_starts md5_starts
#define lwip_md5_update md5_update
#define lwip_md5_finish md5_finish
#define lwip_md5_free(context)
#include "netif/ppp/polarssl/sha1.h"
#define lwip_sha1_context sha1_context
#define lwip_sha1_init(context)
#define lwip_sha1_starts sha1_starts
#define lwip_sha1_update sha1_update
#define lwip_sha1_finish sha1_finish
#define lwip_sha1_free(context)
#include "netif/ppp/polarssl/des.h"
#define lwip_des_context des_context
#define lwip_des_init(context)
#define lwip_des_setkey_enc des_setkey_enc
#define lwip_des_crypt_ecb des_crypt_ecb
#define lwip_des_free(context)
#include "netif/ppp/polarssl/arc4.h"
#define lwip_arc4_context arc4_context
#define lwip_arc4_init(context)
#define lwip_arc4_setup arc4_setup
#define lwip_arc4_crypt arc4_crypt
#define lwip_arc4_free(context)
#endif /* !LWIP_USE_EXTERNAL_MBEDTLS */
/*
* Map hashes and ciphers functions to mbed TLS
*/
#if LWIP_USE_EXTERNAL_MBEDTLS
#define lwip_md4_context mbedtls_md4_context
#define lwip_md4_init mbedtls_md4_init
#define lwip_md4_starts mbedtls_md4_starts
#define lwip_md4_update mbedtls_md4_update
#define lwip_md4_finish mbedtls_md4_finish
#define lwip_md4_free mbedtls_md4_free
#define lwip_md5_context mbedtls_md5_context
#define lwip_md5_init mbedtls_md5_init
#define lwip_md5_starts mbedtls_md5_starts
#define lwip_md5_update mbedtls_md5_update
#define lwip_md5_finish mbedtls_md5_finish
#define lwip_md5_free mbedtls_md5_free
#define lwip_sha1_context mbedtls_sha1_context
#define lwip_sha1_init mbedtls_sha1_init
#define lwip_sha1_starts mbedtls_sha1_starts
#define lwip_sha1_update mbedtls_sha1_update
#define lwip_sha1_finish mbedtls_sha1_finish
#define lwip_sha1_free mbedtls_sha1_free
#define lwip_des_context mbedtls_des_context
#define lwip_des_init mbedtls_des_init
#define lwip_des_setkey_enc mbedtls_des_setkey_enc
#define lwip_des_crypt_ecb mbedtls_des_crypt_ecb
#define lwip_des_free mbedtls_des_free
#define lwip_arc4_context mbedtls_arc4_context
#define lwip_arc4_init mbedtls_arc4_init
#define lwip_arc4_setup mbedtls_arc4_setup
#define lwip_arc4_crypt(context, buffer, length) mbedtls_arc4_crypt(context, length, buffer, buffer)
#define lwip_arc4_free mbedtls_arc4_free
#endif /* LWIP_USE_EXTERNAL_MBEDTLS */
void pppcrypt_56_to_64_bit_key(u_char *key, u_char *des_key);
#ifdef __cplusplus
}
#endif
#endif /* PPPCRYPT_H */
#endif /* PPP_SUPPORT */
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