pkgbuilds/friidump/src/friidump-0.4.0/friidump-0.4.0/libmultihash/md4.h

   1 /**
   2  * \file md4.h
   3  */
   4 #ifndef _MD4_H
   5 #define _MD4_H
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 /**
  12  * \brief          MD4 context structure
  13  */
  14 typedef struct
  15 {
  16     unsigned long total[2];     /*!< number of bytes processed  */
  17     unsigned long state[4];     /*!< intermediate digest state  */
  18     unsigned char buffer[64];   /*!< data block being processed */
  19     unsigned char ipad[64];     /*!< HMAC: inner padding        */
  20     unsigned char opad[64];     /*!< HMAC: outer padding        */
  21 }
  22 md4_context;
  23
  24 /**
  25  * \brief          MD4 context setup
  26  *
  27  * \param ctx      context to be initialized
  28  */
  29 void md4_starts( md4_context *ctx );
  30
  31 /**
  32  * \brief          MD4 process buffer
  33  *
  34  * \param ctx      MD4 context
  35  * \param input    buffer holding the  data
  36  * \param ilen     length of the input data
  37  */
  38 void md4_update( md4_context *ctx, unsigned char *input, int ilen );
  39
  40 /**
  41  * \brief          MD4 final digest
  42  *
  43  * \param ctx      MD4 context
  44  * \param output   MD4 checksum result
  45  */
  46 void md4_finish( md4_context *ctx, unsigned char *output );
  47
  48 /**
  49  * \brief          Output = MD4( input buffer )
  50  *
  51  * \param input    buffer holding the  data
  52  * \param ilen     length of the input data
  53  * \param output   MD4 checksum result
  54  */
  55 void md4( unsigned char *input, int ilen,
  56           unsigned char *output );
  57
  58 /**
  59  * \brief          Output = MD4( file contents )
  60  *
  61  * \param path     input file name
  62  * \param output   MD4 checksum result
  63  *
  64  * \return         0 if successful, 1 if fopen failed,
  65  *                 or 2 if fread failed
  66  */
  67 int md4_file( char *path, unsigned char *output );
  68
  69 /**
  70  * \brief          MD4 HMAC context setup
  71  *
  72  * \param ctx      HMAC context to be initialized
  73  * \param key      HMAC secret key
  74  * \param keylen   length of the HMAC key
  75  */
  76 void md4_hmac_starts( md4_context *ctx,
  77                       unsigned char *key, int keylen );
  78
  79 /**
  80  * \brief          MD4 HMAC process buffer
  81  *
  82  * \param ctx      HMAC context
  83  * \param input    buffer holding the  data
  84  * \param ilen     length of the input data
  85  */
  86 void md4_hmac_update( md4_context *ctx,
  87                       unsigned char *input, int ilen );
  88
  89 /**
  90  * \brief          MD4 HMAC final digest
  91  *
  92  * \param ctx      HMAC context
  93  * \param output   MD4 HMAC checksum result
  94  */
  95 void md4_hmac_finish( md4_context *ctx, unsigned char *output );
  96
  97 /**
  98  * \brief          Output = HMAC-MD4( hmac key, input buffer )
  99  *
 100  * \param key      HMAC secret key
 101  * \param keylen   length of the HMAC key
 102  * \param input    buffer holding the  data
 103  * \param ilen     length of the input data
 104  * \param output   HMAC-MD4 result
 105  */
 106 void md4_hmac( unsigned char *key, int keylen,
 107                unsigned char *input, int ilen,
 108                unsigned char *output );
 109
 110 /**
 111  * \brief          Checkup routine
 112  *
 113  * \return         0 if successful, or 1 if the test failed
 114  */
 115 int md4_self_test( int verbose );
 116
 117 #ifdef __cplusplus
 118 }
 119 #endif
 120
 121 #endif /* md4.h */