76 lines
3.2 KiB
C
76 lines
3.2 KiB
C
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/*
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* An implementation of the CAMELLIA algorithm as mentioned in RFC3713
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* Copyright (c) 2014 Supraja Meedinti
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/camellia.h"
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#include "libavutil/log.h"
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int main(int argc, char *argv[])
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{
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const uint8_t Key[3][32] = {
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{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10},
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{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77},
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{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}
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};
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const uint8_t rct[3][16] = {
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{0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73, 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43},
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{0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9,0x96, 0xf8, 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9},
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{0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c, 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09}
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};
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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};
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const int kbits[3] = {128, 192, 256};
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int i, j, err = 0;
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uint8_t temp[32], iv[16];
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struct AVCAMELLIA *cs;
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cs = av_camellia_alloc();
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if (!cs)
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return 1;
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for (j = 0; j < 3; j++) {
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av_camellia_init(cs, Key[j], kbits[j]);
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av_camellia_crypt(cs, temp, rpt, 1, NULL, 0);
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for (i = 0; i < 16; i++) {
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if (rct[j][i] != temp[i]) {
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av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rct[j][i], temp[i]);
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err = 1;
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}
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}
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av_camellia_crypt(cs, temp, rct[j], 1, NULL, 1);
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for (i = 0; i < 16; i++) {
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if (rpt[i] != temp[i]) {
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av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rpt[i], temp[i]);
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err = 1;
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}
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}
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}
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av_camellia_init(cs, Key[0], 128);
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memcpy(iv, "HALLO123HALLO123", 16);
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av_camellia_crypt(cs, temp, rpt, 2, iv, 0);
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memcpy(iv, "HALLO123HALLO123", 16);
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av_camellia_crypt(cs, temp, temp, 2, iv, 1);
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for (i = 0; i < 32; i++) {
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if (rpt[i] != temp[i]) {
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av_log(NULL, AV_LOG_ERROR, "%d %02x %02x\n", i, rpt[i], temp[i]);
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err = 1;
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}
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}
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av_free(cs);
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return err;
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}
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