FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavutil/tests/aes.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
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1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 // LCOV_EXCL_START
20
21 #include "libavutil/timer.h"
22
23 #include <string.h>
24
25 #include "libavutil/aes.h"
26 #include "libavutil/lfg.h"
27 #include "libavutil/log.h"
28 #include "libavutil/mem.h"
29
30 int main(int argc, char **argv)
31 {
32 int i, j;
33 struct AVAES *b;
34 static const uint8_t rkey[2][16] = {
35 { 0 },
36 { 0x10, 0xa5, 0x88, 0x69, 0xd7, 0x4b, 0xe5, 0xa3,
37 0x74, 0xcf, 0x86, 0x7c, 0xfb, 0x47, 0x38, 0x59 }
38 };
39 static const uint8_t rpt[2][16] = {
40 { 0x6a, 0x84, 0x86, 0x7c, 0xd7, 0x7e, 0x12, 0xad,
41 0x07, 0xea, 0x1b, 0xe8, 0x95, 0xc5, 0x3f, 0xa3 },
42 { 0 }
43 };
44 static const uint8_t rct[2][16] = {
45 { 0x73, 0x22, 0x81, 0xc0, 0xa0, 0xaa, 0xb8, 0xf7,
46 0xa5, 0x4a, 0x0c, 0x67, 0xa0, 0xc4, 0x5e, 0xcf },
47 { 0x6d, 0x25, 0x1e, 0x69, 0x44, 0xb0, 0x51, 0xe0,
48 0x4e, 0xaa, 0x6f, 0xb4, 0xdb, 0xf7, 0x84, 0x65 }
49 };
50 uint8_t pt[32];
51 uint8_t temp[32];
52 uint8_t iv[2][16];
53 int err = 0;
54
55 b = av_aes_alloc();
56 if (!b)
57 return 1;
58
59 av_log_set_level(AV_LOG_DEBUG);
60
61 for (i = 0; i < 2; i++) {
62 av_aes_init(b, rkey[i], 128, 1);
63 av_aes_crypt(b, temp, rct[i], 1, NULL, 1);
64 for (j = 0; j < 16; j++) {
65 if (rpt[i][j] != temp[j]) {
66 av_log(NULL, AV_LOG_ERROR, "%d %02X %02X\n",
67 j, rpt[i][j], temp[j]);
68 err = 1;
69 }
70 }
71 }
72 av_free(b);
73
74 if (argc > 1 && !strcmp(argv[1], "-t")) {
75 struct AVAES *ae, *ad;
76 AVLFG prng;
77
78 ae = av_aes_alloc();
79 ad = av_aes_alloc();
80
81 if (!ae || !ad) {
82 av_free(ae);
83 av_free(ad);
84 return 1;
85 }
86
87 av_aes_init(ae, (const uint8_t*)"PI=3.141592654..", 128, 0);
88 av_aes_init(ad, (const uint8_t*)"PI=3.141592654..", 128, 1);
89 av_lfg_init(&prng, 1);
90
91 for (i = 0; i < 10000; i++) {
92 for (j = 0; j < 32; j++)
93 pt[j] = av_lfg_get(&prng);
94 for (j = 0; j < 16; j++)
95 iv[0][j] = iv[1][j] = av_lfg_get(&prng);
96 {
97 START_TIMER;
98 av_aes_crypt(ae, temp, pt, 2, iv[0], 0);
99 if (!(i & (i - 1)))
100 av_log(NULL, AV_LOG_ERROR, "%02X %02X %02X %02X\n",
101 temp[0], temp[5], temp[10], temp[15]);
102 av_aes_crypt(ad, temp, temp, 2, iv[1], 1);
103 av_aes_crypt(ae, temp, pt, 2, NULL, 0);
104 if (!(i & (i - 1)))
105 av_log(NULL, AV_LOG_ERROR, "%02X %02X %02X %02X\n",
106 temp[0], temp[5], temp[10], temp[15]);
107 av_aes_crypt(ad, temp, temp, 2, NULL, 1);
108 STOP_TIMER("aes");
109 }
110 for (j = 0; j < 16; j++) {
111 if (pt[j] != temp[j]) {
112 av_log(NULL, AV_LOG_ERROR, "%d %d %02X %02X\n",
113 i, j, pt[j], temp[j]);
114 }
115 }
116 }
117 av_free(ae);
118 av_free(ad);
119 }
120 return err;
121 }
122 // LCOV_EXCL_STOP
123