sha512_256.h
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1 /**
2  * @file sha512_256.h
3  * @brief SHA-512/256 (Secure Hash Algorithm)
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 _SHA512_256_H
32 #define _SHA512_256_H
33 
34 //Dependencies
35 #include "core/crypto.h"
36 #include "hash/sha512.h"
37 
38 //SHA-512/256 block size
39 #define SHA512_256_BLOCK_SIZE 128
40 //SHA-512/256 digest size
41 #define SHA512_256_DIGEST_SIZE 32
42 //Minimum length of the padding string
43 #define SHA512_256_MIN_PAD_SIZE 17
44 //SHA-512/256 algorithm object identifier
45 #define SHA512_256_OID sha512_256Oid
46 //Common interface for hash algorithms
47 #define SHA512_256_HASH_ALGO (&sha512_256HashAlgo)
48 
49 //C++ guard
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53 
54 
55 /**
56  * @brief SHA-512/256 algorithm context
57  **/
58 
60 
61 
62 //SHA-512/256 related constants
63 extern const uint8_t sha512_256Oid[9];
64 extern const HashAlgo sha512_256HashAlgo;
65 
66 //SHA-512/256 related functions
67 error_t sha512_256Compute(const void *data, size_t length, uint8_t *digest);
68 void sha512_256Init(Sha512_256Context *context);
69 void sha512_256Update(Sha512_256Context *context, const void *data, size_t length);
70 void sha512_256Final(Sha512_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
SHA-512 (Secure Hash Algorithm 512)
void sha512_256Init(Sha512_256Context *context)
Initialize SHA-512/256 message digest context.
Definition: sha512_256.c:103
void sha512_256Final(Sha512_256Context *context, uint8_t *digest)
Finish the SHA-512/256 message digest.
Definition: sha512_256.c:142
const uint8_t sha512_256Oid[9]
Definition: sha512_256.c:47
error_t
Error codes.
Definition: error.h:42
SHA-512 algorithm context.
Definition: sha512.h:58
General definitions for cryptographic algorithms.
void sha512_256Update(Sha512_256Context *context, const void *data, size_t length)
Update the SHA-512/256 context with a portion of the message being hashed.
Definition: sha512_256.c:129
error_t sha512_256Compute(const void *data, size_t length, uint8_t *digest)
Digest a message using SHA-512/256.
Definition: sha512_256.c:76
const HashAlgo sha512_256HashAlgo
Definition: sha512_256.c:50
Common interface for hash algorithms.
Definition: crypto.h:1128
Sha512Context Sha512_256Context
SHA-512/256 algorithm context.
Definition: sha512_256.h:59
uint8_t data[]
Definition: dtls_misc.h:176