Lightweight Cryptography Primitives
 All Data Structures Files Functions Variables Typedefs Macros Pages
romulus-hmac.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2021 Southern Storm Software, Pty Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included
12  * in all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef LWCRYPTO_ROMULUS_HMAC_H
24 #define LWCRYPTO_ROMULUS_HMAC_H
25 
26 #include "romulus-hash.h"
27 #include <stddef.h>
28 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 
54 #define ROMULUS_HMAC_SIZE ROMULUS_HASH_SIZE
55 
60 
71 void romulus_hmac
72  (unsigned char *out,
73  const unsigned char *key, size_t keylen,
74  const unsigned char *in, size_t inlen);
75 
89  (romulus_hmac_state_t *state, const unsigned char *key, size_t keylen);
90 
101  (romulus_hmac_state_t *state, const unsigned char *in, size_t inlen);
102 
115  (romulus_hmac_state_t *state, const unsigned char *key, size_t keylen,
116  unsigned char *out);
117 
118 #ifdef __cplusplus
119 }
120 #endif
121 
122 #endif
void romulus_hmac_init(romulus_hmac_state_t *state, const unsigned char *key, size_t keylen)
Initializes an incremental HMAC state using Romulus-H.
void romulus_hmac_update(romulus_hmac_state_t *state, const unsigned char *in, size_t inlen)
Updates an incremental Romulus-HMAC state with more input data.
Romulus-H hash algorithm.
romulus_hash_state_t romulus_hmac_state_t
State information for the Romulus-HMAC incremental mode.
Definition: romulus-hmac.h:59
State information for Romulus-H incremental modes.
Definition: romulus-hash.h:56
void romulus_hmac_finalize(romulus_hmac_state_t *state, const unsigned char *key, size_t keylen, unsigned char *out)
Finalizes an incremental Romulus-HMAC state.
void romulus_hmac(unsigned char *out, const unsigned char *key, size_t keylen, const unsigned char *in, size_t inlen)
Computes a HMAC value using Romulus-H.