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      1 #ifndef HEADER_CURL_MD5_H
      2 #define HEADER_CURL_MD5_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel (at) haxx.se>, et al.
     11  *
     12  * This software is licensed as described in the file COPYING, which
     13  * you should have received as part of this distribution. The terms
     14  * are also available at https://curl.haxx.se/docs/copyright.html.
     15  *
     16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     17  * copies of the Software, and permit persons to whom the Software is
     18  * furnished to do so, under the terms of the COPYING file.
     19  *
     20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     21  * KIND, either express or implied.
     22  *
     23  ***************************************************************************/
     24 
     25 #ifndef CURL_DISABLE_CRYPTO_AUTH
     26 #include "curl_hmac.h"
     27 
     28 #define MD5_DIGEST_LEN  16
     29 
     30 typedef void (* Curl_MD5_init_func)(void *context);
     31 typedef void (* Curl_MD5_update_func)(void *context,
     32                                       const unsigned char *data,
     33                                       unsigned int len);
     34 typedef void (* Curl_MD5_final_func)(unsigned char *result, void *context);
     35 
     36 typedef struct {
     37   Curl_MD5_init_func     md5_init_func;   /* Initialize context procedure */
     38   Curl_MD5_update_func   md5_update_func; /* Update context with data */
     39   Curl_MD5_final_func    md5_final_func;  /* Get final result procedure */
     40   unsigned int           md5_ctxtsize;  /* Context structure size */
     41   unsigned int           md5_resultlen; /* Result length (bytes) */
     42 } MD5_params;
     43 
     44 typedef struct {
     45   const MD5_params      *md5_hash;      /* Hash function definition */
     46   void                  *md5_hashctx;   /* Hash function context */
     47 } MD5_context;
     48 
     49 extern const MD5_params Curl_DIGEST_MD5[1];
     50 extern const HMAC_params Curl_HMAC_MD5[1];
     51 
     52 void Curl_md5it(unsigned char *output,
     53                 const unsigned char *input);
     54 
     55 MD5_context * Curl_MD5_init(const MD5_params *md5params);
     56 int Curl_MD5_update(MD5_context *context,
     57                     const unsigned char *data,
     58                     unsigned int len);
     59 int Curl_MD5_final(MD5_context *context, unsigned char *result);
     60 
     61 #endif
     62 
     63 #endif /* HEADER_CURL_MD5_H */
     64