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|---|---|---|---|
| 1 | /* | ||
| 2 | * An implementation of the CAMELLIA algorithm as mentioned in RFC3713 | ||
| 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/camellia.h" | ||
| 26 | #include "libavutil/log.h" | ||
| 27 | #include "libavutil/mem.h" | ||
| 28 | |||
| 29 | 1 | int main(int argc, char *argv[]) | |
| 30 | { | ||
| 31 | 1 | const uint8_t Key[3][32] = { | |
| 32 | {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, | ||
| 33 | {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77}, | ||
| 34 | {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff} | ||
| 35 | }; | ||
| 36 | 1 | const uint8_t rct[3][16] = { | |
| 37 | {0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73, 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43}, | ||
| 38 | {0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9,0x96, 0xf8, 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9}, | ||
| 39 | {0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c, 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09} | ||
| 40 | }; | ||
| 41 | 1 | const uint8_t rpt[32] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}; | |
| 42 | 1 | const int kbits[3] = {128, 192, 256}; | |
| 43 | 1 | int i, j, err = 0; | |
| 44 | uint8_t temp[32], iv[16]; | ||
| 45 | struct AVCAMELLIA *cs; | ||
| 46 | 1 | cs = av_camellia_alloc(); | |
| 47 |
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1 | if (!cs) |
| 48 | ✗ | return 1; | |
| 49 |
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4 | for (j = 0; j < 3; j++) { |
| 50 | 3 | av_camellia_init(cs, Key[j], kbits[j]); | |
| 51 | 3 | av_camellia_crypt(cs, temp, rpt, 1, NULL, 0); | |
| 52 |
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51 | for (i = 0; i < 16; i++) { |
| 53 |
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48 | if (rct[j][i] != temp[i]) { |
| 54 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rct[j][i], temp[i]); | |
| 55 | ✗ | err = 1; | |
| 56 | } | ||
| 57 | } | ||
| 58 | 3 | av_camellia_crypt(cs, temp, rct[j], 1, NULL, 1); | |
| 59 |
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51 | for (i = 0; i < 16; i++) { |
| 60 |
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48 | if (rpt[i] != temp[i]) { |
| 61 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rpt[i], temp[i]); | |
| 62 | ✗ | err = 1; | |
| 63 | } | ||
| 64 | } | ||
| 65 | } | ||
| 66 | 1 | av_camellia_init(cs, Key[0], 128); | |
| 67 | 1 | memcpy(iv, "HALLO123HALLO123", 16); | |
| 68 | 1 | av_camellia_crypt(cs, temp, rpt, 2, iv, 0); | |
| 69 | 1 | memcpy(iv, "HALLO123HALLO123", 16); | |
| 70 | 1 | av_camellia_crypt(cs, temp, temp, 2, iv, 1); | |
| 71 |
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33 | for (i = 0; i < 32; i++) { |
| 72 |
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32 | if (rpt[i] != temp[i]) { |
| 73 | ✗ | av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rpt[i], temp[i]); | |
| 74 | ✗ | err = 1; | |
| 75 | } | ||
| 76 | } | ||
| 77 | 1 | av_free(cs); | |
| 78 | 1 | return err; | |
| 79 | } | ||
| 80 |