| // Copyright 2018 Google Inc. |
| // |
| // 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 <assert.h> |
| #include <stdlib.h> |
| #include <sodium.h> |
| |
| #include "fake_random.h" |
| |
| extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size) { |
| int initialized = sodium_init(); |
| assert(initialized >= 0); |
| |
| setup_fake_random(data, size); |
| |
| unsigned char key[crypto_auth_KEYBYTES]; |
| unsigned char mac[crypto_auth_BYTES]; |
| |
| // this uses a deterministic generator |
| crypto_auth_keygen(key); |
| |
| crypto_auth(mac, data, size, key); |
| int err = crypto_auth_verify(mac, data, size, key); |
| assert(err == 0); |
| |
| return 0; |
| } |