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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 - 2020, Daniel Stenberg, <daniel@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, const unsigned char *input,
   53:                 const size_t len);
   54: 
   55: MD5_context * Curl_MD5_init(const MD5_params *md5params);
   56: CURLcode Curl_MD5_update(MD5_context *context,
   57:                          const unsigned char *data,
   58:                          unsigned int len);
   59: CURLcode Curl_MD5_final(MD5_context *context, unsigned char *result);
   60: 
   61: #endif
   62: 
   63: #endif /* HEADER_CURL_MD5_H */