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 <fuzzer/FuzzedDataProvider.h>
17 #include "hash_fuzzer.h"
18
19 #include "utils/hash.h"
20
21 namespace OHOS {
HashFuzzTest(const uint8_t * data,size_t size)22 void HashFuzzTest(const uint8_t* data, size_t size)
23 {
24 panda::GetHash32(data, size);
25
26 std::string str(data, data + size);
27 uint8_t* string_data = reinterpret_cast<uint8_t*>(const_cast<char*>(str.c_str()));
28 panda::GetHash32String(string_data);
29
30 FuzzedDataProvider fdp(data, size);
31
32 size_t lhash = fdp.ConsumeIntegral<size_t>();
33 size_t rhash = fdp.ConsumeIntegral<size_t>();
34 panda::merge_hashes(lhash, rhash);
35
36 uint32_t lhash_uint32_t = fdp.ConsumeIntegral<uint32_t>();
37 uint32_t rhash_uint32_t = fdp.ConsumeIntegral<uint32_t>();
38 panda::merge_hashes(lhash_uint32_t, rhash_uint32_t);
39 }
40 }
41
42 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)43 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
44 {
45 /* Run your code on data */
46 OHOS::HashFuzzTest(data, size);
47 return 0;
48 }
49
50