sha3_256.h
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1 /**
2  * @file sha3_256.h
3  * @brief SHA3-256 hash function (SHA-3 with 256-bit output)
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2019 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneCrypto Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 1.9.6
29  **/
30 
31 #ifndef _SHA3_256_H
32 #define _SHA3_256_H
33 
34 //Dependencies
35 #include "core/crypto.h"
36 #include "xof/keccak.h"
37 
38 //SHA3-256 block size
39 #define SHA3_256_BLOCK_SIZE 136
40 //SHA3-256 digest size
41 #define SHA3_256_DIGEST_SIZE 32
42 //Minimum length of the padding string
43 #define SHA3_256_MIN_PAD_SIZE 1
44 //SHA3-256 algorithm object identifier
45 #define SHA3_256_OID sha3_256Oid
46 //Common interface for hash algorithms
47 #define SHA3_256_HASH_ALGO (&sha3_256HashAlgo)
48 
49 //C++ guard
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53 
54 
55 /**
56  * @brief SHA3-256 algorithm context
57  **/
58 
60 
61 
62 //SHA3-256 related constants
63 extern const uint8_t sha3_256Oid[9];
64 extern const HashAlgo sha3_256HashAlgo;
65 
66 //SHA3-256 related functions
67 error_t sha3_256Compute(const void *data, size_t length, uint8_t *digest);
68 void sha3_256Init(Sha3_256Context *context);
69 void sha3_256Update(Sha3_256Context *context, const void *data, size_t length);
70 void sha3_256Final(Sha3_256Context *context, uint8_t *digest);
71 
72 //C++ guard
73 #ifdef __cplusplus
74 }
75 #endif
76 
77 #endif
uint8_t length
Definition: dtls_misc.h:149
Keccak context.
Definition: keccak.h:107
const uint8_t sha3_256Oid[9]
Definition: sha3_256.c:47
void sha3_256Init(Sha3_256Context *context)
Initialize SHA3-256 message digest context.
Definition: sha3_256.c:105
const HashAlgo sha3_256HashAlgo
Definition: sha3_256.c:50
error_t
Error codes.
Definition: error.h:42
KeccakContext Sha3_256Context
SHA3-256 algorithm context.
Definition: sha3_256.h:59
General definitions for cryptographic algorithms.
error_t sha3_256Compute(const void *data, size_t length, uint8_t *digest)
Digest a message using SHA3-256.
Definition: sha3_256.c:76
void sha3_256Update(Sha3_256Context *context, const void *data, size_t length)
Update the SHA3-256 context with a portion of the message being hashed.
Definition: sha3_256.c:119
Keccak sponge function.
void sha3_256Final(Sha3_256Context *context, uint8_t *digest)
Finish the SHA3-256 message digest.
Definition: sha3_256.c:132
Common interface for hash algorithms.
Definition: crypto.h:1128
uint8_t data[]
Definition: dtls_misc.h:176