sha1.h

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/*
     This file is part of libmicrohttpd
     Copyright (C) 2019-2021 Karlson2k (Evgeny Grin)
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library.
     If not, see <http://www.gnu.org/licenses/>.
*/

 
#ifndef MHD_SHA1_H
#define MHD_SHA1_H 1
 
#include "mhd_options.h"
#include <stdint.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>  /* for size_t */
#endif /* HAVE_STDDEF_H */

#define _SHA1_DIGEST_LENGTH 5

#define SHA1_WORD_SIZE_BITS 32

#define SHA1_BYTES_IN_WORD (SHA1_WORD_SIZE_BITS / 8)

#define SHA1_DIGEST_SIZE (_SHA1_DIGEST_LENGTH * SHA1_BYTES_IN_WORD)

#define SHA1_DIGEST_STRING_SIZE ((SHA1_DIGEST_SIZE) * 2 + 1)

#define SHA1_BLOCK_SIZE_BITS 512

#define SHA1_BLOCK_SIZE (SHA1_BLOCK_SIZE_BITS / 8)
 
 
struct sha1_ctx
{
  uint32_t H[_SHA1_DIGEST_LENGTH];    
  uint8_t buffer[SHA1_BLOCK_SIZE];    
  uint64_t count;                     
};

void
MHD_SHA1_init (void *ctx_);
 

void
MHD_SHA1_update (void *ctx_,
                 const uint8_t *data,
                 size_t length);
 

void
MHD_SHA1_finish (void *ctx_,
                 uint8_t digest[SHA1_DIGEST_SIZE]);
 
#endif /* MHD_SHA1_H */