1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef DSLM_CRYPTO_H
17 #define DSLM_CRYPTO_H
18 
19 #include <stdint.h>
20 #include <stdlib.h>
21 
22 #define RANDOM_MAX_LEN 32
23 
24 #define TYPE_ECDSA_SHA_256 0
25 #define TYPE_ECDSA_SHA_384 1
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 typedef struct RandomValue {
32     uint32_t length;
33     uint8_t value[RANDOM_MAX_LEN];
34 } RandomValue;
35 
36 void GenerateRandom(RandomValue *rand, uint32_t length);
37 
38 #ifdef __cplusplus
39 }
40 #endif
41 
42 #endif /* DSLM_CRYPTO_H */