/src/libcaes/ossfuzz/crypt_xts_fuzzer.cc
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * OSS-Fuzz target for libcaes AES-ECB crypt function |
3 | | * |
4 | | * Copyright (C) 2011-2024, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <stddef.h> |
23 | | #include <stdint.h> |
24 | | |
25 | | /* Note that some of the OSS-Fuzz engines use C++ |
26 | | */ |
27 | | extern "C" { |
28 | | |
29 | | #include "ossfuzz_libcaes.h" |
30 | | |
31 | | int LLVMFuzzerTestOneInput( |
32 | | const uint8_t *data, |
33 | | size_t size ) |
34 | 626 | { |
35 | 626 | uint8_t encrypted_data[ 64 ]; |
36 | 626 | uint8_t key[ 16 ] = { |
37 | 626 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }; |
38 | 626 | uint8_t tweak_key[ 16 ] = { |
39 | 626 | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f }; |
40 | 626 | uint8_t tweak_value[ 16 ] = { |
41 | 626 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }; |
42 | | |
43 | 626 | libcaes_tweaked_context_t *tweaked_context = NULL; |
44 | | |
45 | 626 | if( libcaes_tweaked_context_initialize( |
46 | 626 | &tweaked_context, |
47 | 626 | NULL ) != 1 ) |
48 | 0 | { |
49 | 0 | return( 0 ); |
50 | 0 | } |
51 | 626 | if( libcaes_tweaked_context_set_keys( |
52 | 626 | tweaked_context, |
53 | 626 | LIBCAES_CRYPT_MODE_ENCRYPT, |
54 | 626 | key, |
55 | 626 | 128, |
56 | 626 | tweak_key, |
57 | 626 | 128, |
58 | 626 | NULL ) != 1 ) |
59 | 0 | { |
60 | 0 | goto on_error_libcaes; |
61 | 0 | } |
62 | 626 | libcaes_crypt_xts( |
63 | 626 | tweaked_context, |
64 | 626 | LIBCAES_CRYPT_MODE_ENCRYPT, |
65 | 626 | tweak_value, |
66 | 626 | 16, |
67 | 626 | data, |
68 | 626 | size, |
69 | 626 | encrypted_data, |
70 | 626 | 64, |
71 | 626 | NULL ); |
72 | | |
73 | 626 | on_error_libcaes: |
74 | 626 | libcaes_tweaked_context_free( |
75 | 626 | &tweaked_context, |
76 | 626 | NULL ); |
77 | | |
78 | 626 | return( 0 ); |
79 | 626 | } |
80 | | |
81 | | } /* extern "C" */ |
82 | | |