1 /*
2 * Copyright (c) 2024 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 "random_openssl.h"
17
18 namespace OHOS {
19 namespace Security {
20 namespace AccessToken {
GetRandomUint32()21 extern "C" unsigned int GetRandomUint32()
22 {
23 unsigned int rand;
24 RAND_bytes(reinterpret_cast<unsigned char *>(&rand), sizeof(rand));
25 return rand;
26 }
27 } // namespace AccessToken
28 } // namespace Security
29 } // namespace OHOS