1 | /**
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2 | * \file md4.h
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3 | *
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4 | * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
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5 | *
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6 | * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
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7 | *
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8 | * All rights reserved.
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9 | *
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10 | * Redistribution and use in source and binary forms, with or without
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11 | * modification, are permitted provided that the following conditions
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12 | * are met:
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13 | *
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14 | * * Redistributions of source code must retain the above copyright
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15 | * notice, this list of conditions and the following disclaimer.
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16 | * * Redistributions in binary form must reproduce the above copyright
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17 | * notice, this list of conditions and the following disclaimer in the
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18 | * documentation and/or other materials provided with the distribution.
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19 | * * Neither the names of PolarSSL or XySSL nor the names of its contributors
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20 | * may be used to endorse or promote products derived from this software
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21 | * without specific prior written permission.
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22 | *
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23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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24 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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25 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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26 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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27 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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28 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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29 | * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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30 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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31 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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32 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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33 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 | */
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35 |
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36 | #include "netif/ppp/ppp_opts.h"
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37 | #if LWIP_INCLUDED_POLARSSL_MD4
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38 |
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39 | #ifndef LWIP_INCLUDED_POLARSSL_MD4_H
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40 | #define LWIP_INCLUDED_POLARSSL_MD4_H
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41 |
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42 | /**
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43 | * \brief MD4 context structure
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44 | */
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45 | typedef struct
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46 | {
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47 | unsigned long total[2]; /*!< number of bytes processed */
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48 | unsigned long state[4]; /*!< intermediate digest state */
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49 | unsigned char buffer[64]; /*!< data block being processed */
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50 | }
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51 | md4_context;
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52 |
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53 | #ifdef __cplusplus
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54 | extern "C" {
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55 | #endif
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56 |
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57 | /**
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58 | * \brief MD4 context setup
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59 | *
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60 | * \param ctx context to be initialized
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61 | */
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62 | void md4_starts( md4_context *ctx );
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63 |
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64 | /**
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65 | * \brief MD4 process buffer
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66 | *
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67 | * \param ctx MD4 context
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68 | * \param input buffer holding the data
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69 | * \param ilen length of the input data
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70 | */
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71 | void md4_update( md4_context *ctx, const unsigned char *input, int ilen );
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72 |
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73 | /**
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74 | * \brief MD4 final digest
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75 | *
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76 | * \param ctx MD4 context
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77 | * \param output MD4 checksum result
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78 | */
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79 | void md4_finish( md4_context *ctx, unsigned char output[16] );
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80 |
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81 | /**
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82 | * \brief Output = MD4( input buffer )
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83 | *
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84 | * \param input buffer holding the data
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85 | * \param ilen length of the input data
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86 | * \param output MD4 checksum result
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87 | */
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88 | void md4( unsigned char *input, int ilen, unsigned char output[16] );
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89 |
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90 |
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91 | #ifdef __cplusplus
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92 | }
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93 | #endif
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94 |
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95 | #endif /* LWIP_INCLUDED_POLARSSL_MD4_H */
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96 |
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97 | #endif /* LWIP_INCLUDED_POLARSSL_MD4 */
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