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 struct MD5_params { 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 }; 43 44 struct MD5_context { 45 const struct MD5_params *md5_hash; /* Hash function definition */ 46 void *md5_hashctx; /* Hash function context */ 47 }; 48 49 extern const struct MD5_params Curl_DIGEST_MD5[1]; 50 extern const struct 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 struct MD5_context *Curl_MD5_init(const struct MD5_params *md5params); 56 CURLcode Curl_MD5_update(struct MD5_context *context, 57 const unsigned char *data, 58 unsigned int len); 59 CURLcode Curl_MD5_final(struct MD5_context *context, unsigned char *result); 60 61 #endif 62 63 #endif /* HEADER_CURL_MD5_H */ 64