GNU libmicrohttpd  0.9.75
sha256.h
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1 /*
2  This file is part of libmicrohttpd
3  Copyright (C) 2019-2021 Karlson2k (Evgeny Grin)
4 
5  This library is free software; you can redistribute it and/or
6  modify it under the terms of the GNU Lesser General Public
7  License as published by the Free Software Foundation; either
8  version 2.1 of the License, or (at your option) any later version.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public
16  License along with this library.
17  If not, see <http://www.gnu.org/licenses/>.
18 */
19 
26 #ifndef MHD_SHA256_H
27 #define MHD_SHA256_H 1
28 
29 #include "mhd_options.h"
30 #include <stdint.h>
31 #ifdef HAVE_STDDEF_H
32 #include <stddef.h> /* for size_t */
33 #endif /* HAVE_STDDEF_H */
34 
35 
39 #define _SHA256_DIGEST_LENGTH 8
40 
44 #define SHA256_WORD_SIZE_BITS 32
45 
50 #define SHA256_BYTES_IN_WORD (SHA256_WORD_SIZE_BITS / 8)
51 
55 #define SHA256_DIGEST_SIZE (_SHA256_DIGEST_LENGTH * SHA256_BYTES_IN_WORD)
56 
60 #define SHA256_DIGEST_STRING_SIZE ((SHA256_DIGEST_SIZE) * 2 + 1)
61 
65 #define SHA256_BLOCK_SIZE_BITS 512
66 
70 #define SHA256_BLOCK_SIZE (SHA256_BLOCK_SIZE_BITS / 8)
71 
72 
73 struct sha256_ctx
74 {
77  uint64_t count;
78 };
79 
85 void
86 MHD_SHA256_init (void *ctx_);
87 
88 
96 void
97 MHD_SHA256_update (void *ctx_,
98  const uint8_t *data,
99  size_t length);
100 
101 
108 void
109 MHD_SHA256_finish (void *ctx_,
110  uint8_t digest[SHA256_DIGEST_SIZE]);
111 
112 #endif /* MHD_SHA256_H */
additional automatic macros for MHD_config.h
void * data
Definition: microhttpd.h:3428
void MHD_SHA256_finish(void *ctx_, uint8_t digest[SHA256_DIGEST_SIZE])
Definition: sha256.c:373
#define _SHA256_DIGEST_LENGTH
Definition: sha256.h:39
#define SHA256_DIGEST_SIZE
Definition: sha256.h:55
#define SHA256_BLOCK_SIZE
Definition: sha256.h:70
void MHD_SHA256_init(void *ctx_)
Definition: sha256.c:41
void MHD_SHA256_update(void *ctx_, const uint8_t *data, size_t length)
Definition: sha256.c:311
uint8_t buffer[SHA256_BLOCK_SIZE]
Definition: sha256.h:76
uint32_t H[_SHA256_DIGEST_LENGTH]
Definition: sha256.h:75
uint64_t count
Definition: sha256.h:77