[457] | 1 | /*
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| 2 | * pppcrypt.c - PPP/DES linkage for MS-CHAP and EAP SRP-SHA1
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| 3 | *
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| 4 | * Extracted from chap_ms.c by James Carlson.
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| 5 | *
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| 6 | * Copyright (c) 1995 Eric Rosenquist. All rights reserved.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | *
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| 12 | * 1. Redistributions of source code must retain the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer.
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| 14 | *
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in
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| 17 | * the documentation and/or other materials provided with the
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| 18 | * distribution.
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| 19 | *
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| 20 | * 3. The name(s) of the authors of this software must not be used to
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| 21 | * endorse or promote products derived from this software without
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| 22 | * prior written permission.
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| 23 | *
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| 24 | * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
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| 25 | * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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| 26 | * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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| 27 | * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 28 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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| 29 | * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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| 30 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 31 | */
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| 32 |
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| 33 | #include "netif/ppp/ppp_opts.h"
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| 34 | #if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
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| 35 |
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| 36 | /* This header file is included in all PPP modules needing hashes and/or ciphers */
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| 37 |
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| 38 | #ifndef PPPCRYPT_H
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| 39 | #define PPPCRYPT_H
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| 40 |
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| 41 | /*
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| 42 | * If included PolarSSL copy is not used, user is expected to include
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| 43 | * external libraries in arch/cc.h (which is included by lwip/arch.h).
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| 44 | */
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| 45 | #include "lwip/arch.h"
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| 46 |
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| 47 | #ifdef __cplusplus
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| 48 | extern "C" {
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| 49 | #endif
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| 50 |
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| 51 | /*
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| 52 | * Map hashes and ciphers functions to PolarSSL
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| 53 | */
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| 54 | #if !LWIP_USE_EXTERNAL_MBEDTLS
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| 55 |
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| 56 | #include "netif/ppp/polarssl/md4.h"
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| 57 | #define lwip_md4_context md4_context
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| 58 | #define lwip_md4_init(context)
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| 59 | #define lwip_md4_starts md4_starts
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| 60 | #define lwip_md4_update md4_update
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| 61 | #define lwip_md4_finish md4_finish
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| 62 | #define lwip_md4_free(context)
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| 63 |
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| 64 | #include "netif/ppp/polarssl/md5.h"
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| 65 | #define lwip_md5_context md5_context
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| 66 | #define lwip_md5_init(context)
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| 67 | #define lwip_md5_starts md5_starts
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| 68 | #define lwip_md5_update md5_update
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| 69 | #define lwip_md5_finish md5_finish
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| 70 | #define lwip_md5_free(context)
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| 71 |
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| 72 | #include "netif/ppp/polarssl/sha1.h"
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| 73 | #define lwip_sha1_context sha1_context
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| 74 | #define lwip_sha1_init(context)
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| 75 | #define lwip_sha1_starts sha1_starts
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| 76 | #define lwip_sha1_update sha1_update
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| 77 | #define lwip_sha1_finish sha1_finish
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| 78 | #define lwip_sha1_free(context)
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| 79 |
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| 80 | #include "netif/ppp/polarssl/des.h"
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| 81 | #define lwip_des_context des_context
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| 82 | #define lwip_des_init(context)
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| 83 | #define lwip_des_setkey_enc des_setkey_enc
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| 84 | #define lwip_des_crypt_ecb des_crypt_ecb
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| 85 | #define lwip_des_free(context)
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| 86 |
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| 87 | #include "netif/ppp/polarssl/arc4.h"
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| 88 | #define lwip_arc4_context arc4_context
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| 89 | #define lwip_arc4_init(context)
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| 90 | #define lwip_arc4_setup arc4_setup
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| 91 | #define lwip_arc4_crypt arc4_crypt
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| 92 | #define lwip_arc4_free(context)
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| 93 |
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| 94 | #endif /* !LWIP_USE_EXTERNAL_MBEDTLS */
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| 95 |
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| 96 | /*
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| 97 | * Map hashes and ciphers functions to mbed TLS
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| 98 | */
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| 99 | #if LWIP_USE_EXTERNAL_MBEDTLS
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| 100 |
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| 101 | #define lwip_md4_context mbedtls_md4_context
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| 102 | #define lwip_md4_init mbedtls_md4_init
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| 103 | #define lwip_md4_starts mbedtls_md4_starts
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| 104 | #define lwip_md4_update mbedtls_md4_update
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| 105 | #define lwip_md4_finish mbedtls_md4_finish
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| 106 | #define lwip_md4_free mbedtls_md4_free
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| 107 |
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| 108 | #define lwip_md5_context mbedtls_md5_context
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| 109 | #define lwip_md5_init mbedtls_md5_init
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| 110 | #define lwip_md5_starts mbedtls_md5_starts
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| 111 | #define lwip_md5_update mbedtls_md5_update
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| 112 | #define lwip_md5_finish mbedtls_md5_finish
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| 113 | #define lwip_md5_free mbedtls_md5_free
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| 114 |
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| 115 | #define lwip_sha1_context mbedtls_sha1_context
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| 116 | #define lwip_sha1_init mbedtls_sha1_init
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| 117 | #define lwip_sha1_starts mbedtls_sha1_starts
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| 118 | #define lwip_sha1_update mbedtls_sha1_update
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| 119 | #define lwip_sha1_finish mbedtls_sha1_finish
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| 120 | #define lwip_sha1_free mbedtls_sha1_free
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| 121 |
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| 122 | #define lwip_des_context mbedtls_des_context
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| 123 | #define lwip_des_init mbedtls_des_init
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| 124 | #define lwip_des_setkey_enc mbedtls_des_setkey_enc
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| 125 | #define lwip_des_crypt_ecb mbedtls_des_crypt_ecb
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| 126 | #define lwip_des_free mbedtls_des_free
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| 127 |
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| 128 | #define lwip_arc4_context mbedtls_arc4_context
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| 129 | #define lwip_arc4_init mbedtls_arc4_init
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| 130 | #define lwip_arc4_setup mbedtls_arc4_setup
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| 131 | #define lwip_arc4_crypt(context, buffer, length) mbedtls_arc4_crypt(context, length, buffer, buffer)
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| 132 | #define lwip_arc4_free mbedtls_arc4_free
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| 133 |
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| 134 | #endif /* LWIP_USE_EXTERNAL_MBEDTLS */
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| 135 |
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| 136 | void pppcrypt_56_to_64_bit_key(u_char *key, u_char *des_key);
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| 137 |
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| 138 | #ifdef __cplusplus
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| 139 | }
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| 140 | #endif
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| 141 |
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| 142 | #endif /* PPPCRYPT_H */
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| 143 |
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| 144 | #endif /* PPP_SUPPORT */
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