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 "hksgeneratekey_fuzzer.h"
17
18 #include <securec.h>
19
20 #include "hks_api.h"
21 #include "hks_mem.h"
22 #include "hks_param.h"
23 #include "hks_type.h"
24
25 #include "hks_fuzz_util.h"
26
27 constexpr int ALIAS_SIZE = 10;
28
29 namespace OHOS {
30 namespace Security {
31 namespace Hks {
32
DoSomethingInterestingWithMyAPI(uint8_t * data,size_t size)33 int DoSomethingInterestingWithMyAPI(uint8_t *data, size_t size)
34 {
35 if (data == nullptr || size < ALIAS_SIZE) {
36 return -1;
37 }
38
39 struct HksBlob keyAlias = { ALIAS_SIZE, ReadData<uint8_t *>(data, size, ALIAS_SIZE) };
40 WrapParamSet ps = ConstructHksParamSetFromFuzz(data, size);
41
42 [[maybe_unused]] int ret = HksGenerateKey(&keyAlias, ps.s, nullptr);
43
44 return 0;
45 }
46 }}}
47
48 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 std::vector<uint8_t> v(data, data + size);
52 return OHOS::Security::Hks::DoSomethingInterestingWithMyAPI(v.data(), v.size());
53 }
54
55