mirror of https://github.com/google/oss-fuzz.git
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "AES.c"
|
|
#include "common.h"
|
|
#include <fuzzer/FuzzedDataProvider.h>
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
|
|
if (!size)
|
|
return 0;
|
|
|
|
enum KeySize { AES128 = 16, AES192 = 24, AES256 = 32, kMaxValue = AES256 };
|
|
|
|
FuzzedDataProvider stream(data, size);
|
|
const KeySize keySize = stream.ConsumeEnum<KeySize>();
|
|
if (stream.remaining_bytes() < keySize)
|
|
return 0;
|
|
|
|
std::vector<uint8_t> keyBuf = stream.ConsumeBytes<uint8_t>(keySize);
|
|
const uint8_t *key = keyBuf.data();
|
|
|
|
BlockBase *state;
|
|
if (AES_start_operation(key, keySize, reinterpret_cast<AES_State **>(&state)))
|
|
return 0;
|
|
|
|
uint8_t outEnc[size];
|
|
uint8_t outDec[size];
|
|
|
|
AES_encrypt(reinterpret_cast<BlockBase *>(state), data, outEnc, size);
|
|
AES_decrypt(reinterpret_cast<BlockBase *>(state), data, outDec, size);
|
|
|
|
AES_stop_operation(reinterpret_cast<BlockBase *>(state));
|
|
|
|
return 0;
|
|
}
|