Eric Biggers | ab794fd | 2020-07-31 12:11:56 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: MIT |
Eric Biggers | e597966 | 2020-05-25 13:45:31 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Test libfsverity_sign_digest(). |
| 4 | * |
| 5 | * Copyright 2020 Google LLC |
Eric Biggers | ab794fd | 2020-07-31 12:11:56 -0700 | [diff] [blame] | 6 | * |
| 7 | * Use of this source code is governed by an MIT-style |
| 8 | * license that can be found in the LICENSE file or at |
| 9 | * https://opensource.org/licenses/MIT. |
Eric Biggers | e597966 | 2020-05-25 13:45:31 -0700 | [diff] [blame] | 10 | */ |
Eric Biggers | dcdb253 | 2020-06-14 23:18:44 -0700 | [diff] [blame] | 11 | |
Eric Biggers | e597966 | 2020-05-25 13:45:31 -0700 | [diff] [blame] | 12 | #include "utils.h" |
| 13 | |
| 14 | #include <fcntl.h> |
| 15 | |
| 16 | #define SHA256_DIGEST_SIZE 32 |
| 17 | |
| 18 | int main(void) |
| 19 | { |
| 20 | struct libfsverity_digest *d = xzalloc(sizeof(*d) + SHA256_DIGEST_SIZE); |
| 21 | const struct libfsverity_signature_params params = { |
| 22 | .keyfile = "testdata/key.pem", |
| 23 | .certfile = "testdata/cert.pem", |
| 24 | }; |
| 25 | u8 *sig; |
| 26 | size_t sig_size; |
| 27 | struct filedes file; |
| 28 | u8 *expected_sig; |
| 29 | u64 expected_sig_size; |
| 30 | int err; |
| 31 | |
Eric Biggers | dcdb253 | 2020-06-14 23:18:44 -0700 | [diff] [blame] | 32 | install_libfsverity_error_handler(); |
| 33 | |
Eric Biggers | e597966 | 2020-05-25 13:45:31 -0700 | [diff] [blame] | 34 | d->digest_algorithm = FS_VERITY_HASH_ALG_SHA256; |
| 35 | d->digest_size = SHA256_DIGEST_SIZE; |
| 36 | memcpy(d->digest, |
| 37 | "\x91\x79\x00\xb0\xd2\x99\x45\x4a\xa3\x04\xd5\xde\xbc\x6f\x39" |
| 38 | "\xe4\xaf\x7b\x5a\xbe\x33\xbd\xbc\x56\x8d\x5d\x8f\x1e\x5c\x4d" |
| 39 | "\x86\x52", SHA256_DIGEST_SIZE); |
| 40 | |
| 41 | err = libfsverity_sign_digest(d, ¶ms, &sig, &sig_size); |
| 42 | ASSERT(err == 0); |
| 43 | |
| 44 | ASSERT(open_file(&file, "testdata/file.sig", O_RDONLY, 0)); |
| 45 | ASSERT(get_file_size(&file, &expected_sig_size)); |
| 46 | ASSERT(sig_size == expected_sig_size); |
| 47 | expected_sig = xmalloc(sig_size); |
| 48 | ASSERT(full_read(&file, expected_sig, sig_size)); |
| 49 | ASSERT(!memcmp(sig, expected_sig, sig_size)); |
| 50 | |
| 51 | free(d); |
| 52 | free(sig); |
| 53 | free(expected_sig); |
| 54 | filedes_close(&file); |
| 55 | printf("test_sign_digest passed\n"); |
| 56 | return 0; |
| 57 | } |