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73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
#ifndef HEADER_CURL_HMAC_H
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#define HEADER_CURL_HMAC_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#ifndef CURL_DISABLE_CRYPTO_AUTH
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#define HMAC_MD5_LENGTH 16
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typedef void (* HMAC_hinit_func)(void *context);
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typedef void (* HMAC_hupdate_func)(void *context,
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const unsigned char *data,
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unsigned int len);
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typedef void (* HMAC_hfinal_func)(unsigned char *result, void *context);
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/* Per-hash function HMAC parameters. */
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struct HMAC_params {
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HMAC_hinit_func
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hmac_hinit; /* Initialize context procedure. */
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HMAC_hupdate_func hmac_hupdate; /* Update context with data. */
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HMAC_hfinal_func hmac_hfinal; /* Get final result procedure. */
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unsigned int hmac_ctxtsize; /* Context structure size. */
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unsigned int hmac_maxkeylen; /* Maximum key length (bytes). */
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unsigned int hmac_resultlen; /* Result length (bytes). */
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};
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/* HMAC computation context. */
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struct HMAC_context {
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const struct HMAC_params *hmac_hash; /* Hash function definition. */
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void *hmac_hashctxt1; /* Hash function context 1. */
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void *hmac_hashctxt2; /* Hash function context 2. */
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};
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/* Prototypes. */
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struct HMAC_context *Curl_HMAC_init(const struct HMAC_params *hashparams,
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const unsigned char *key,
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unsigned int keylen);
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int Curl_HMAC_update(struct HMAC_context *context,
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const unsigned char *data,
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unsigned int len);
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int Curl_HMAC_final(struct HMAC_context *context, unsigned char *result);
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CURLcode Curl_hmacit(const struct HMAC_params *hashparams,
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const unsigned char *key, const size_t keylen,
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const unsigned char *data, const size_t datalen,
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unsigned char *output);
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#endif
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#endif /* HEADER_CURL_HMAC_H */
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