| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 | #include <stdint.h> | ||
| 20 | #include <stdio.h> | ||
| 21 | #include <stdlib.h> | ||
| 22 | #include <string.h> | ||
| 23 | |||
| 24 | #include "libavutil/intreadwrite.h" | ||
| 25 | #include "libavutil/mem.h" | ||
| 26 | #include "libavutil/xtea.h" | ||
| 27 | |||
| 28 | #define XTEA_NUM_TESTS 6 | ||
| 29 | |||
| 30 | static const uint8_t xtea_test_key[XTEA_NUM_TESTS][16] = { | ||
| 31 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | ||
| 32 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, | ||
| 33 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | ||
| 34 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, | ||
| 35 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | ||
| 36 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, | ||
| 37 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 38 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, | ||
| 39 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 40 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, | ||
| 41 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 42 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } | ||
| 43 | }; | ||
| 44 | |||
| 45 | static const uint8_t xtea_test_pt[XTEA_NUM_TESTS][8] = { | ||
| 46 | { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, | ||
| 47 | { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, | ||
| 48 | { 0x5a, 0x5b, 0x6e, 0x27, 0x89, 0x48, 0xd7, 0x7f }, | ||
| 49 | { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, | ||
| 50 | { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, | ||
| 51 | { 0x70, 0xe1, 0x22, 0x5d, 0x6e, 0x4e, 0x76, 0x55 } | ||
| 52 | }; | ||
| 53 | |||
| 54 | static const uint8_t xtea_test_ct[XTEA_NUM_TESTS][8] = { | ||
| 55 | { 0x49, 0x7d, 0xf3, 0xd0, 0x72, 0x61, 0x2c, 0xb5 }, | ||
| 56 | { 0xe7, 0x8f, 0x2d, 0x13, 0x74, 0x43, 0x41, 0xd8 }, | ||
| 57 | { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, | ||
| 58 | { 0xa0, 0x39, 0x05, 0x89, 0xf8, 0xb8, 0xef, 0xa5 }, | ||
| 59 | { 0xed, 0x23, 0x37, 0x5a, 0x82, 0x1a, 0x8c, 0x2d }, | ||
| 60 | { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 } | ||
| 61 | }; | ||
| 62 | |||
| 63 | 36 | static void test_xtea(AVXTEA *ctx, uint8_t *dst, const uint8_t *src, | |
| 64 | const uint8_t *ref, int len, uint8_t *iv, int dir, | ||
| 65 | const char *test, | ||
| 66 | void (*crypt)(AVXTEA *, uint8_t *, const uint8_t *, int, uint8_t *, int)) | ||
| 67 | { | ||
| 68 | 36 | crypt(ctx, dst, src, len, iv, dir); | |
| 69 |
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36 | if (memcmp(dst, ref, 8*len)) { |
| 70 | int i; | ||
| 71 | ✗ | printf("%s failed\ngot ", test); | |
| 72 | ✗ | for (i = 0; i < 8*len; i++) | |
| 73 | ✗ | printf("%02x ", dst[i]); | |
| 74 | ✗ | printf("\nexpected "); | |
| 75 | ✗ | for (i = 0; i < 8*len; i++) | |
| 76 | ✗ | printf("%02x ", ref[i]); | |
| 77 | ✗ | printf("\n"); | |
| 78 | ✗ | exit(1); | |
| 79 | } | ||
| 80 | 36 | } | |
| 81 | |||
| 82 | 1 | int main(void) | |
| 83 | { | ||
| 84 | uint8_t buf[16], iv[8]; | ||
| 85 | int i, j; | ||
| 86 | static const uint8_t src[32] = "HelloWorldHelloWorldHelloWorld"; | ||
| 87 | uint8_t ct[32]; | ||
| 88 | uint8_t pl[32]; | ||
| 89 | 1 | AVXTEA *ctx = av_xtea_alloc(); | |
| 90 |
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1 | if (!ctx) |
| 91 | ✗ | return 1; | |
| 92 | |||
| 93 |
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7 | for (i = 0; i < XTEA_NUM_TESTS; i++) { |
| 94 | 6 | av_xtea_init(ctx, xtea_test_key[i]); | |
| 95 | |||
| 96 | 6 | test_xtea(ctx, buf, xtea_test_pt[i], xtea_test_ct[i], 1, NULL, 0, "encryption", av_xtea_crypt); | |
| 97 | 6 | test_xtea(ctx, buf, xtea_test_ct[i], xtea_test_pt[i], 1, NULL, 1, "decryption", av_xtea_crypt); | |
| 98 | |||
| 99 |
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30 | for (j = 0; j < 4; j++) |
| 100 | 24 | AV_WL32(&buf[4*j], AV_RB32(&xtea_test_key[i][4*j])); | |
| 101 | 6 | av_xtea_le_init(ctx, buf); | |
| 102 |
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18 | for (j = 0; j < 2; j++) { |
| 103 | 12 | AV_WL32(&ct[4*j], AV_RB32(&xtea_test_ct[i][4*j])); | |
| 104 | 12 | AV_WL32(&pl[4*j], AV_RB32(&xtea_test_pt[i][4*j])); | |
| 105 | } | ||
| 106 | 6 | test_xtea(ctx, buf, pl, ct, 1, NULL, 0, "encryption", av_xtea_le_crypt); | |
| 107 | 6 | test_xtea(ctx, buf, ct, pl, 1, NULL, 1, "decryption", av_xtea_le_crypt); | |
| 108 | |||
| 109 | /* encrypt */ | ||
| 110 | 6 | memcpy(iv, "HALLO123", 8); | |
| 111 | 6 | av_xtea_crypt(ctx, ct, src, 4, iv, 0); | |
| 112 | |||
| 113 | /* decrypt into pl */ | ||
| 114 | 6 | memcpy(iv, "HALLO123", 8); | |
| 115 | 6 | test_xtea(ctx, pl, ct, src, 4, iv, 1, "CBC decryption", av_xtea_crypt); | |
| 116 | |||
| 117 | 6 | memcpy(iv, "HALLO123", 8); | |
| 118 | 6 | test_xtea(ctx, ct, ct, src, 4, iv, 1, "CBC inplace decryption", av_xtea_crypt); | |
| 119 | } | ||
| 120 | |||
| 121 | 1 | printf("Test encryption/decryption success.\n"); | |
| 122 | 1 | av_free(ctx); | |
| 123 | |||
| 124 | 1 | return 0; | |
| 125 | } | ||
| 126 |