| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * An implementation of the CAST128 algorithm as mentioned in RFC2144 | ||
| 3 | * Copyright (c) 2014 Supraja Meedinti | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include <stddef.h> | ||
| 23 | #include <string.h> | ||
| 24 | |||
| 25 | #include "libavutil/cast5.h" | ||
| 26 | #include "libavutil/log.h" | ||
| 27 | #include "libavutil/mem.h" | ||
| 28 | |||
| 29 | 1 | int main(int argc, char** argv) | |
| 30 | { | ||
| 31 | |||
| 32 | static const uint8_t Key[3][16] = { | ||
| 33 | {0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9a}, | ||
| 34 | {0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 0x23, 0x45}, | ||
| 35 | {0x01, 0x23, 0x45, 0x67, 0x12} | ||
| 36 | }; | ||
| 37 | static const uint8_t rpt[8] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}; | ||
| 38 | static const uint8_t rct[3][8] = { | ||
| 39 | {0x23, 0x8b, 0x4f, 0xe5, 0x84, 0x7e, 0x44, 0xb2}, | ||
| 40 | {0xeb, 0x6a, 0x71, 0x1a, 0x2c, 0x02, 0x27, 0x1b}, | ||
| 41 | {0x7a, 0xc8, 0x16, 0xd1, 0x6e, 0x9b, 0x30, 0x2e} | ||
| 42 | }; | ||
| 43 | static const uint8_t rct2[2][16] = { | ||
| 44 | {0xee, 0xa9, 0xd0, 0xa2, 0x49, 0xfd, 0x3b, 0xa6, 0xb3, 0x43, 0x6f, 0xb8, 0x9d, 0x6d, 0xca, 0x92}, | ||
| 45 | {0xb2, 0xc9, 0x5e, 0xb0, 0x0c, 0x31, 0xad, 0x71, 0x80, 0xac, 0x05, 0xb8, 0xe8, 0x3d, 0x69, 0x6e} | ||
| 46 | }; | ||
| 47 | static const uint8_t iv[8] = {0xee, 0xa9, 0xd0, 0xa2, 0x49, 0xfd, 0x3b, 0xa6}; | ||
| 48 | static uint8_t rpt2[2][16]; | ||
| 49 | 1 | int i, j, err = 0; | |
| 50 | static const int key_bits[3] = {128, 80, 40}; | ||
| 51 | uint8_t temp[8]; | ||
| 52 | struct AVCAST5 *cs; | ||
| 53 | 1 | cs = av_cast5_alloc(); | |
| 54 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (!cs) |
| 55 | ✗ | return 1; | |
| 56 |
2/2✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
|
4 | for (j = 0; j < 3; j++){ |
| 57 | |||
| 58 | 3 | av_cast5_init(cs, Key[j], key_bits[j]); | |
| 59 | 3 | av_cast5_crypt(cs, temp, rpt, 1, 0); | |
| 60 |
2/2✓ Branch 0 taken 24 times.
✓ Branch 1 taken 3 times.
|
27 | for (i = 0;i < 8; i++){ |
| 61 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 24 times.
|
24 | if (rct[j][i] != temp[i]){ |
| 62 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rct[j][i], temp[i]); | |
| 63 | ✗ | err = 1; | |
| 64 | } | ||
| 65 | } | ||
| 66 | |||
| 67 | 3 | av_cast5_crypt(cs, temp, rct[j], 1, 1); | |
| 68 |
2/2✓ Branch 0 taken 24 times.
✓ Branch 1 taken 3 times.
|
27 | for (i =0; i < 8; i++) { |
| 69 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 24 times.
|
24 | if (rpt[i] != temp[i]) { |
| 70 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rpt[i], temp[i]); | |
| 71 | ✗ | err = 1; | |
| 72 | } | ||
| 73 | } | ||
| 74 | } | ||
| 75 | 1 | memcpy(rpt2[0], Key[0], 16); | |
| 76 | 1 | memcpy(rpt2[1], Key[0], 16); | |
| 77 |
2/2✓ Branch 0 taken 1000000 times.
✓ Branch 1 taken 1 times.
|
1000001 | for (i = 0; i < 1000000; i++){ |
| 78 | 1000000 | av_cast5_init(cs, rpt2[1], 128); | |
| 79 | 1000000 | av_cast5_crypt(cs, rpt2[0], rpt2[0], 2, 0); | |
| 80 | 1000000 | av_cast5_init(cs, rpt2[0], 128); | |
| 81 | 1000000 | av_cast5_crypt(cs, rpt2[1], rpt2[1], 2, 0); | |
| 82 | } | ||
| 83 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 1 times.
|
3 | for (j = 0; j < 2; j++) { |
| 84 |
2/2✓ Branch 0 taken 32 times.
✓ Branch 1 taken 2 times.
|
34 | for (i = 0; i < 16; i++) { |
| 85 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 32 times.
|
32 | if (rct2[j][i] != rpt2[j][i]) { |
| 86 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rct2[j][i], rpt2[j][i]); | |
| 87 | ✗ | err = 1; | |
| 88 | } | ||
| 89 | } | ||
| 90 | } | ||
| 91 |
2/2✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
|
4 | for (j = 0; j < 3; j++) { |
| 92 | |||
| 93 | 3 | av_cast5_init(cs, Key[j], key_bits[j]); | |
| 94 | 3 | memcpy(temp, iv, 8); | |
| 95 | 3 | av_cast5_crypt2(cs, rpt2[0], rct2[0], 2, temp, 0); | |
| 96 | 3 | memcpy(temp, iv, 8); | |
| 97 | 3 | av_cast5_crypt2(cs, rpt2[0], rpt2[0], 2, temp, 1); | |
| 98 |
2/2✓ Branch 0 taken 48 times.
✓ Branch 1 taken 3 times.
|
51 | for (i = 0; i < 16; i++) { |
| 99 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 48 times.
|
48 | if (rct2[0][i] != rpt2[0][i]) { |
| 100 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rct2[0][i], rpt2[0][i]); | |
| 101 | ✗ | err = 1; | |
| 102 | } | ||
| 103 | } | ||
| 104 | } | ||
| 105 | 1 | av_free(cs); | |
| 106 | 1 | return err; | |
| 107 | } | ||
| 108 |