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Annotation of embedaddon/curl/lib/curl_hmac.h, revision 1.1

1.1     ! misho       1: #ifndef HEADER_CURL_HMAC_H
        !             2: #define HEADER_CURL_HMAC_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: 
        !            27: #define HMAC_MD5_LENGTH 16
        !            28: 
        !            29: typedef void    (* HMAC_hinit_func)(void *context);
        !            30: typedef void    (* HMAC_hupdate_func)(void *context,
        !            31:                                       const unsigned char *data,
        !            32:                                       unsigned int len);
        !            33: typedef void    (* HMAC_hfinal_func)(unsigned char *result, void *context);
        !            34: 
        !            35: 
        !            36: /* Per-hash function HMAC parameters. */
        !            37: 
        !            38: typedef struct {
        !            39:   HMAC_hinit_func       hmac_hinit;     /* Initialize context procedure. */
        !            40:   HMAC_hupdate_func     hmac_hupdate;   /* Update context with data. */
        !            41:   HMAC_hfinal_func      hmac_hfinal;    /* Get final result procedure. */
        !            42:   unsigned int          hmac_ctxtsize;  /* Context structure size. */
        !            43:   unsigned int          hmac_maxkeylen; /* Maximum key length (bytes). */
        !            44:   unsigned int          hmac_resultlen; /* Result length (bytes). */
        !            45: } HMAC_params;
        !            46: 
        !            47: 
        !            48: /* HMAC computation context. */
        !            49: 
        !            50: typedef struct {
        !            51:   const HMAC_params *hmac_hash; /* Hash function definition. */
        !            52:   void *hmac_hashctxt1;         /* Hash function context 1. */
        !            53:   void *hmac_hashctxt2;         /* Hash function context 2. */
        !            54: } HMAC_context;
        !            55: 
        !            56: 
        !            57: /* Prototypes. */
        !            58: 
        !            59: HMAC_context * Curl_HMAC_init(const HMAC_params *hashparams,
        !            60:                               const unsigned char *key,
        !            61:                               unsigned int keylen);
        !            62: int Curl_HMAC_update(HMAC_context *context,
        !            63:                      const unsigned char *data,
        !            64:                      unsigned int len);
        !            65: int Curl_HMAC_final(HMAC_context *context, unsigned char *result);
        !            66: 
        !            67: CURLcode Curl_hmacit(const HMAC_params *hashparams,
        !            68:                      const unsigned char *key, const size_t keylen,
        !            69:                      const unsigned char *data, const size_t datalen,
        !            70:                      unsigned char *output);
        !            71: 
        !            72: #endif
        !            73: 
        !            74: #endif /* HEADER_CURL_HMAC_H */