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1 | office | 1 | /** |
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 | |||
36 | #include "netif/ppp/ppp_opts.h" |
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37 | #if LWIP_INCLUDED_POLARSSL_MD4 |
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38 | |||
39 | #ifndef LWIP_INCLUDED_POLARSSL_MD4_H |
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40 | #define LWIP_INCLUDED_POLARSSL_MD4_H |
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41 | |||
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 | |||
53 | #ifdef __cplusplus |
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54 | extern "C" { |
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55 | #endif |
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56 | |||
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 | |||
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 | |||
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 | |||
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 | |||
90 | |||
91 | #ifdef __cplusplus |
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92 | } |
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93 | #endif |
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94 | |||
95 | #endif /* LWIP_INCLUDED_POLARSSL_MD4_H */ |
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96 | |||
97 | #endif /* LWIP_INCLUDED_POLARSSL_MD4 */ |