Electroneum
hmac-keccak.h
Go to the documentation of this file.
1
// Copyright (c) 2014-2018, The Monero Project
2
//
3
// All rights reserved.
4
//
5
// Redistribution and use in source and binary forms, with or without modification, are
6
// permitted provided that the following conditions are met:
7
//
8
// 1. Redistributions of source code must retain the above copyright notice, this list of
9
// conditions and the following disclaimer.
10
//
11
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
12
// of conditions and the following disclaimer in the documentation and/or other
13
// materials provided with the distribution.
14
//
15
// 3. Neither the name of the copyright holder nor the names of its contributors may be
16
// used to endorse or promote products derived from this software without specific
17
// prior written permission.
18
//
19
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
20
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29
#ifndef HMAC_KECCAK_H
30
#define HMAC_KECCAK_H
31
32
#include "
keccak.h
"
33
34
// HMAC RFC 2104 with Keccak-256 base hash function
35
//
36
// B = KECCAK_BLOCKLEN = 136 B
37
// L = HASH_SIZE = 32 B
38
//
39
// Note this is not HMAC-SHA3 as SHA3 and Keccak differs in
40
// the padding constant.
41
42
#ifdef __cplusplus
43
extern
"C"
{
44
#endif
45
46
typedef
struct
{
47
KECCAK_CTX
inner
;
48
KECCAK_CTX
outer
;
49
}
hmac_keccak_state
;
50
51
void
hmac_keccak_init
(
hmac_keccak_state
*S,
const
uint8_t
*_key,
size_t
keylen);
52
void
hmac_keccak_update
(
hmac_keccak_state
*S,
const
uint8_t
*data,
size_t
datalen);
53
void
hmac_keccak_finish
(
hmac_keccak_state
*S,
uint8_t
*digest);
54
void
hmac_keccak_hash
(
uint8_t
*out,
const
uint8_t
*
key
,
size_t
keylen,
const
uint8_t
*in,
size_t
inlen);
55
56
#ifdef __cplusplus
57
}
58
#endif
59
#endif //HMAC_KECCAK_H
KECCAK_CTX
Definition:
keccak.h:19
keccak.h
key
const char * key
Definition:
hmac_keccak.cpp:39
uint8_t
unsigned char uint8_t
Definition:
stdint.h:124
hmac_keccak_update
void hmac_keccak_update(hmac_keccak_state *S, const uint8_t *data, size_t datalen)
hmac_keccak_state::outer
KECCAK_CTX outer
Definition:
hmac-keccak.h:48
hmac_keccak_state
Definition:
hmac-keccak.h:46
hmac_keccak_finish
void hmac_keccak_finish(hmac_keccak_state *S, uint8_t *digest)
hmac_keccak_state::inner
KECCAK_CTX inner
Definition:
hmac-keccak.h:47
hmac_keccak_init
void hmac_keccak_init(hmac_keccak_state *S, const uint8_t *_key, size_t keylen)
hmac_keccak_hash
void hmac_keccak_hash(uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *in, size_t inlen)
src
crypto
hmac-keccak.h
Generated on Sun Mar 10 2024 12:00:00 for Electroneum by
1.8.14