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 HCF_RAND_H
17 #define HCF_RAND_H
18 
19 #include <stdint.h>
20 #include "result.h"
21 #include "object_base.h"
22 
23 #include "blob.h"
24 
25 typedef struct HcfRand HcfRand;
26 
27 struct HcfRand {
28     HcfObjectBase base;
29 
30     const char *(*getAlgoName)(HcfRand *self);
31 
32     HcfResult (*generateRandom)(HcfRand *self, int32_t numBytes, HcfBlob *random);
33 
34     HcfResult (*setSeed)(HcfRand *self, HcfBlob *seed);
35 };
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 HcfResult HcfRandCreate(HcfRand **random);
42 
43 #ifdef __cplusplus
44 }
45 #endif
46 
47 #endif