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#include "dslm_crypto.h"
17
18#include <stddef.h>
19#include <stdint.h>
20
21#include "openssl/rand.h"
22
23void GenerateRandom(RandomValue *rand, uint32_t length)
24{
25    if (rand == NULL) {
26        return;
27    }
28    rand->length = (length > RANDOM_MAX_LEN) ? RANDOM_MAX_LEN : length;
29#ifdef L2_STANDARD
30    RAND_bytes(&rand->value[0], rand->length);
31#else
32    rand->value[0] = 1;
33#endif
34}
35