Split global .gitignore file into per-directory files
[libav.git] / libavutil / tests / des.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "libavutil/des.c"
20
21 #include <stdint.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25
26 #include "libavutil/time.h"
27
28 static uint64_t rand64(void)
29 {
30 uint64_t r = rand();
31 r = (r << 32) | rand();
32 return r;
33 }
34
35 static const uint8_t test_key[] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
36 static const DECLARE_ALIGNED(8, uint8_t, plain)[] = { 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 };
37 static const DECLARE_ALIGNED(8, uint8_t, crypt)[] = { 0x4a, 0xb6, 0x5b, 0x3d, 0x4b, 0x06, 0x15, 0x18 };
38 static DECLARE_ALIGNED(8, uint8_t, tmp)[8];
39 static DECLARE_ALIGNED(8, uint8_t, large_buffer)[10002][8];
40 static const uint8_t cbc_key[] = {
41 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
42 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01,
43 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23
44 };
45
46 static int run_test(int cbc, int decrypt)
47 {
48 AVDES d;
49 int delay = cbc && !decrypt ? 2 : 1;
50 uint64_t res;
51 AV_WB64(large_buffer[0], 0x4e6f772069732074ULL);
52 AV_WB64(large_buffer[1], 0x1234567890abcdefULL);
53 AV_WB64(tmp, 0x1234567890abcdefULL);
54 av_des_init(&d, cbc_key, 192, decrypt);
55 av_des_crypt(&d, large_buffer[delay], large_buffer[0], 10000, cbc ? tmp : NULL, decrypt);
56 res = AV_RB64(large_buffer[9999 + delay]);
57 if (cbc) {
58 if (decrypt)
59 return res == 0xc5cecf63ecec514cULL;
60 else
61 return res == 0xcb191f85d1ed8439ULL;
62 } else {
63 if (decrypt)
64 return res == 0x8325397644091a0aULL;
65 else
66 return res == 0xdd17e8b8b437d232ULL;
67 }
68 }
69
70 int main(void)
71 {
72 AVDES d;
73 int i;
74 uint64_t key[3];
75 uint64_t data;
76 uint64_t ct;
77 uint64_t roundkeys[16];
78 srand(av_gettime());
79 key[0] = AV_RB64(test_key);
80 data = AV_RB64(plain);
81 gen_roundkeys(roundkeys, key[0]);
82 if (des_encdec(data, roundkeys, 0) != AV_RB64(crypt)) {
83 printf("Test 1 failed\n");
84 return 1;
85 }
86 av_des_init(&d, test_key, 64, 0);
87 av_des_crypt(&d, tmp, plain, 1, NULL, 0);
88 if (memcmp(tmp, crypt, sizeof(crypt))) {
89 printf("Public API decryption failed\n");
90 return 1;
91 }
92 if (!run_test(0, 0) || !run_test(0, 1) || !run_test(1, 0) || !run_test(1, 1)) {
93 printf("Partial Monte-Carlo test failed\n");
94 return 1;
95 }
96 for (i = 0; i < 1000; i++) {
97 key[0] = rand64();
98 key[1] = rand64();
99 key[2] = rand64();
100 data = rand64();
101 av_des_init(&d, key, 192, 0);
102 av_des_crypt(&d, &ct, &data, 1, NULL, 0);
103 av_des_init(&d, key, 192, 1);
104 av_des_crypt(&d, &ct, &ct, 1, NULL, 1);
105 if (ct != data) {
106 printf("Test 2 failed\n");
107 return 1;
108 }
109 }
110 #ifdef GENTABLES
111 printf("static const uint32_t S_boxes_P_shuffle[8][64] = {\n");
112 for (i = 0; i < 8; i++) {
113 int j;
114 printf(" {");
115 for (j = 0; j < 64; j++) {
116 uint32_t v = S_boxes[i][j >> 1];
117 v = j & 1 ? v >> 4 : v & 0xf;
118 v <<= 28 - 4 * i;
119 v = shuffle(v, P_shuffle, sizeof(P_shuffle));
120 printf((j & 7) == 0 ? "\n " : " ");
121 printf("0x%08X,", v);
122 }
123 printf("\n },\n");
124 }
125 printf("};\n");
126 #endif
127 return 0;
128 }