| // Copyright 2019 The Chromium Authors |
| // |
| // 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 |
| // |
| // https://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 <assert.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "../pki/crl.h" |
| #include "../pki/input.h" |
| #include <openssl/sha.h> |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| const bssl::der::Input input_der(data, size); |
| |
| uint8_t data_hash[SHA256_DIGEST_LENGTH]; |
| SHA256(data, size, data_hash); |
| const bssl::CrlVersion crl_version = |
| (data_hash[0] % 2) ? bssl::CrlVersion::V2 : bssl::CrlVersion::V1; |
| const size_t serial_len = data_hash[1] % (sizeof(data_hash) - 2); |
| assert(serial_len + 2 < sizeof(data_hash)); |
| const bssl::der::Input cert_serial( |
| reinterpret_cast<const uint8_t*>(data_hash + 2), serial_len); |
| |
| bssl::GetCRLStatusForCert(cert_serial, crl_version, |
| std::make_optional(input_der)); |
| |
| return 0; |
| } |