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976a8b2179
* qatar/master: (40 commits) H.264: template left MB handling H.264: faster fill_decode_caches H.264: faster write_back_* H.264: faster fill_filter_caches H.264: make filter_mb_fast support the case of unavailable top mb Do not include log.h in avutil.h Do not include pixfmt.h in avutil.h Do not include rational.h in avutil.h Do not include mathematics.h in avutil.h Do not include intfloat_readwrite.h in avutil.h Remove return statements following infinite loops without break RTSP: Doxygen comment cleanup doxygen: Escape '\' in Doxygen documentation. md5: cosmetics md5: use AV_WL32 to write result md5: add fate test md5: include correct headers md5: fix test program doxygen: Drop array size declarations from Doxygen parameter names. doxygen: Fix parameter names to match the function prototypes. ... Conflicts: libavcodec/x86/dsputil_mmx.c libavformat/flvenc.c libavformat/oggenc.c libavformat/wtv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
438 lines
18 KiB
C
438 lines
18 KiB
C
/*
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* DES encryption/decryption
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* Copyright (c) 2007 Reimar Doeffinger
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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 <inttypes.h>
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#include "avutil.h"
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#include "common.h"
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#include "intreadwrite.h"
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#include "des.h"
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typedef struct AVDES AVDES;
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#define T(a, b, c, d, e, f, g, h) 64-a,64-b,64-c,64-d,64-e,64-f,64-g,64-h
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static const uint8_t IP_shuffle[] = {
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T(58, 50, 42, 34, 26, 18, 10, 2),
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T(60, 52, 44, 36, 28, 20, 12, 4),
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T(62, 54, 46, 38, 30, 22, 14, 6),
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T(64, 56, 48, 40, 32, 24, 16, 8),
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T(57, 49, 41, 33, 25, 17, 9, 1),
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T(59, 51, 43, 35, 27, 19, 11, 3),
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T(61, 53, 45, 37, 29, 21, 13, 5),
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T(63, 55, 47, 39, 31, 23, 15, 7)
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};
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#undef T
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#if defined(CONFIG_SMALL) || defined(GENTABLES)
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#define T(a, b, c, d) 32-a,32-b,32-c,32-d
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static const uint8_t P_shuffle[] = {
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T(16, 7, 20, 21),
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T(29, 12, 28, 17),
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T( 1, 15, 23, 26),
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T( 5, 18, 31, 10),
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T( 2, 8, 24, 14),
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T(32, 27, 3, 9),
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T(19, 13, 30, 6),
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T(22, 11, 4, 25)
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};
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#undef T
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#endif
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#define T(a, b, c, d, e, f, g) 64-a,64-b,64-c,64-d,64-e,64-f,64-g
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static const uint8_t PC1_shuffle[] = {
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T(57, 49, 41, 33, 25, 17, 9),
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T( 1, 58, 50, 42, 34, 26, 18),
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T(10, 2, 59, 51, 43, 35, 27),
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T(19, 11, 3, 60, 52, 44, 36),
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T(63, 55, 47, 39, 31, 23, 15),
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T( 7, 62, 54, 46, 38, 30, 22),
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T(14, 6, 61, 53, 45, 37, 29),
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T(21, 13, 5, 28, 20, 12, 4)
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};
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#undef T
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#define T(a, b, c, d, e, f) 56-a,56-b,56-c,56-d,56-e,56-f
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static const uint8_t PC2_shuffle[] = {
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T(14, 17, 11, 24, 1, 5),
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T( 3, 28, 15, 6, 21, 10),
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T(23, 19, 12, 4, 26, 8),
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T(16, 7, 27, 20, 13, 2),
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T(41, 52, 31, 37, 47, 55),
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T(30, 40, 51, 45, 33, 48),
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T(44, 49, 39, 56, 34, 53),
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T(46, 42, 50, 36, 29, 32)
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};
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#undef T
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#if CONFIG_SMALL
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static const uint8_t S_boxes[8][32] = {
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{
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0x0e, 0xf4, 0x7d, 0x41, 0xe2, 0x2f, 0xdb, 0x18, 0xa3, 0x6a, 0xc6, 0xbc, 0x95, 0x59, 0x30, 0x87,
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0xf4, 0xc1, 0x8e, 0x28, 0x4d, 0x96, 0x12, 0x7b, 0x5f, 0xbc, 0x39, 0xe7, 0xa3, 0x0a, 0x65, 0xd0,
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}, {
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0x3f, 0xd1, 0x48, 0x7e, 0xf6, 0x2b, 0x83, 0xe4, 0xc9, 0x07, 0x12, 0xad, 0x6c, 0x90, 0xb5, 0x5a,
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0xd0, 0x8e, 0xa7, 0x1b, 0x3a, 0xf4, 0x4d, 0x21, 0xb5, 0x68, 0x7c, 0xc6, 0x09, 0x53, 0xe2, 0x9f,
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}, {
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0xda, 0x70, 0x09, 0x9e, 0x36, 0x43, 0x6f, 0xa5, 0x21, 0x8d, 0x5c, 0xe7, 0xcb, 0xb4, 0xf2, 0x18,
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0x1d, 0xa6, 0xd4, 0x09, 0x68, 0x9f, 0x83, 0x70, 0x4b, 0xf1, 0xe2, 0x3c, 0xb5, 0x5a, 0x2e, 0xc7,
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}, {
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0xd7, 0x8d, 0xbe, 0x53, 0x60, 0xf6, 0x09, 0x3a, 0x41, 0x72, 0x28, 0xc5, 0x1b, 0xac, 0xe4, 0x9f,
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0x3a, 0xf6, 0x09, 0x60, 0xac, 0x1b, 0xd7, 0x8d, 0x9f, 0x41, 0x53, 0xbe, 0xc5, 0x72, 0x28, 0xe4,
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}, {
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0xe2, 0xbc, 0x24, 0xc1, 0x47, 0x7a, 0xdb, 0x16, 0x58, 0x05, 0xf3, 0xaf, 0x3d, 0x90, 0x8e, 0x69,
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0xb4, 0x82, 0xc1, 0x7b, 0x1a, 0xed, 0x27, 0xd8, 0x6f, 0xf9, 0x0c, 0x95, 0xa6, 0x43, 0x50, 0x3e,
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}, {
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0xac, 0xf1, 0x4a, 0x2f, 0x79, 0xc2, 0x96, 0x58, 0x60, 0x1d, 0xd3, 0xe4, 0x0e, 0xb7, 0x35, 0x8b,
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0x49, 0x3e, 0x2f, 0xc5, 0x92, 0x58, 0xfc, 0xa3, 0xb7, 0xe0, 0x14, 0x7a, 0x61, 0x0d, 0x8b, 0xd6,
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}, {
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0xd4, 0x0b, 0xb2, 0x7e, 0x4f, 0x90, 0x18, 0xad, 0xe3, 0x3c, 0x59, 0xc7, 0x25, 0xfa, 0x86, 0x61,
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0x61, 0xb4, 0xdb, 0x8d, 0x1c, 0x43, 0xa7, 0x7e, 0x9a, 0x5f, 0x06, 0xf8, 0xe0, 0x25, 0x39, 0xc2,
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}, {
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0x1d, 0xf2, 0xd8, 0x84, 0xa6, 0x3f, 0x7b, 0x41, 0xca, 0x59, 0x63, 0xbe, 0x05, 0xe0, 0x9c, 0x27,
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0x27, 0x1b, 0xe4, 0x71, 0x49, 0xac, 0x8e, 0xd2, 0xf0, 0xc6, 0x9a, 0x0d, 0x3f, 0x53, 0x65, 0xb8,
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}
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};
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#else
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/**
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* This table contains the results of applying both the S-box and P-shuffle.
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* It can be regenerated by compiling this file with -DCONFIG_SMALL -DTEST -DGENTABLES
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*/
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static const uint32_t S_boxes_P_shuffle[8][64] = {
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{
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0x00808200, 0x00000000, 0x00008000, 0x00808202, 0x00808002, 0x00008202, 0x00000002, 0x00008000,
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0x00000200, 0x00808200, 0x00808202, 0x00000200, 0x00800202, 0x00808002, 0x00800000, 0x00000002,
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0x00000202, 0x00800200, 0x00800200, 0x00008200, 0x00008200, 0x00808000, 0x00808000, 0x00800202,
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0x00008002, 0x00800002, 0x00800002, 0x00008002, 0x00000000, 0x00000202, 0x00008202, 0x00800000,
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0x00008000, 0x00808202, 0x00000002, 0x00808000, 0x00808200, 0x00800000, 0x00800000, 0x00000200,
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0x00808002, 0x00008000, 0x00008200, 0x00800002, 0x00000200, 0x00000002, 0x00800202, 0x00008202,
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0x00808202, 0x00008002, 0x00808000, 0x00800202, 0x00800002, 0x00000202, 0x00008202, 0x00808200,
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0x00000202, 0x00800200, 0x00800200, 0x00000000, 0x00008002, 0x00008200, 0x00000000, 0x00808002,
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},
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{
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0x40084010, 0x40004000, 0x00004000, 0x00084010, 0x00080000, 0x00000010, 0x40080010, 0x40004010,
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0x40000010, 0x40084010, 0x40084000, 0x40000000, 0x40004000, 0x00080000, 0x00000010, 0x40080010,
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0x00084000, 0x00080010, 0x40004010, 0x00000000, 0x40000000, 0x00004000, 0x00084010, 0x40080000,
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0x00080010, 0x40000010, 0x00000000, 0x00084000, 0x00004010, 0x40084000, 0x40080000, 0x00004010,
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0x00000000, 0x00084010, 0x40080010, 0x00080000, 0x40004010, 0x40080000, 0x40084000, 0x00004000,
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0x40080000, 0x40004000, 0x00000010, 0x40084010, 0x00084010, 0x00000010, 0x00004000, 0x40000000,
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0x00004010, 0x40084000, 0x00080000, 0x40000010, 0x00080010, 0x40004010, 0x40000010, 0x00080010,
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0x00084000, 0x00000000, 0x40004000, 0x00004010, 0x40000000, 0x40080010, 0x40084010, 0x00084000,
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},
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{
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0x00000104, 0x04010100, 0x00000000, 0x04010004, 0x04000100, 0x00000000, 0x00010104, 0x04000100,
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0x00010004, 0x04000004, 0x04000004, 0x00010000, 0x04010104, 0x00010004, 0x04010000, 0x00000104,
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0x04000000, 0x00000004, 0x04010100, 0x00000100, 0x00010100, 0x04010000, 0x04010004, 0x00010104,
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0x04000104, 0x00010100, 0x00010000, 0x04000104, 0x00000004, 0x04010104, 0x00000100, 0x04000000,
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0x04010100, 0x04000000, 0x00010004, 0x00000104, 0x00010000, 0x04010100, 0x04000100, 0x00000000,
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0x00000100, 0x00010004, 0x04010104, 0x04000100, 0x04000004, 0x00000100, 0x00000000, 0x04010004,
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0x04000104, 0x00010000, 0x04000000, 0x04010104, 0x00000004, 0x00010104, 0x00010100, 0x04000004,
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0x04010000, 0x04000104, 0x00000104, 0x04010000, 0x00010104, 0x00000004, 0x04010004, 0x00010100,
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},
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{
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0x80401000, 0x80001040, 0x80001040, 0x00000040, 0x00401040, 0x80400040, 0x80400000, 0x80001000,
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0x00000000, 0x00401000, 0x00401000, 0x80401040, 0x80000040, 0x00000000, 0x00400040, 0x80400000,
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0x80000000, 0x00001000, 0x00400000, 0x80401000, 0x00000040, 0x00400000, 0x80001000, 0x00001040,
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0x80400040, 0x80000000, 0x00001040, 0x00400040, 0x00001000, 0x00401040, 0x80401040, 0x80000040,
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0x00400040, 0x80400000, 0x00401000, 0x80401040, 0x80000040, 0x00000000, 0x00000000, 0x00401000,
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0x00001040, 0x00400040, 0x80400040, 0x80000000, 0x80401000, 0x80001040, 0x80001040, 0x00000040,
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0x80401040, 0x80000040, 0x80000000, 0x00001000, 0x80400000, 0x80001000, 0x00401040, 0x80400040,
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0x80001000, 0x00001040, 0x00400000, 0x80401000, 0x00000040, 0x00400000, 0x00001000, 0x00401040,
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},
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{
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0x00000080, 0x01040080, 0x01040000, 0x21000080, 0x00040000, 0x00000080, 0x20000000, 0x01040000,
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0x20040080, 0x00040000, 0x01000080, 0x20040080, 0x21000080, 0x21040000, 0x00040080, 0x20000000,
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0x01000000, 0x20040000, 0x20040000, 0x00000000, 0x20000080, 0x21040080, 0x21040080, 0x01000080,
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0x21040000, 0x20000080, 0x00000000, 0x21000000, 0x01040080, 0x01000000, 0x21000000, 0x00040080,
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0x00040000, 0x21000080, 0x00000080, 0x01000000, 0x20000000, 0x01040000, 0x21000080, 0x20040080,
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0x01000080, 0x20000000, 0x21040000, 0x01040080, 0x20040080, 0x00000080, 0x01000000, 0x21040000,
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0x21040080, 0x00040080, 0x21000000, 0x21040080, 0x01040000, 0x00000000, 0x20040000, 0x21000000,
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0x00040080, 0x01000080, 0x20000080, 0x00040000, 0x00000000, 0x20040000, 0x01040080, 0x20000080,
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},
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{
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0x10000008, 0x10200000, 0x00002000, 0x10202008, 0x10200000, 0x00000008, 0x10202008, 0x00200000,
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0x10002000, 0x00202008, 0x00200000, 0x10000008, 0x00200008, 0x10002000, 0x10000000, 0x00002008,
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0x00000000, 0x00200008, 0x10002008, 0x00002000, 0x00202000, 0x10002008, 0x00000008, 0x10200008,
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0x10200008, 0x00000000, 0x00202008, 0x10202000, 0x00002008, 0x00202000, 0x10202000, 0x10000000,
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0x10002000, 0x00000008, 0x10200008, 0x00202000, 0x10202008, 0x00200000, 0x00002008, 0x10000008,
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0x00200000, 0x10002000, 0x10000000, 0x00002008, 0x10000008, 0x10202008, 0x00202000, 0x10200000,
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0x00202008, 0x10202000, 0x00000000, 0x10200008, 0x00000008, 0x00002000, 0x10200000, 0x00202008,
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0x00002000, 0x00200008, 0x10002008, 0x00000000, 0x10202000, 0x10000000, 0x00200008, 0x10002008,
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},
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{
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0x00100000, 0x02100001, 0x02000401, 0x00000000, 0x00000400, 0x02000401, 0x00100401, 0x02100400,
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0x02100401, 0x00100000, 0x00000000, 0x02000001, 0x00000001, 0x02000000, 0x02100001, 0x00000401,
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0x02000400, 0x00100401, 0x00100001, 0x02000400, 0x02000001, 0x02100000, 0x02100400, 0x00100001,
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0x02100000, 0x00000400, 0x00000401, 0x02100401, 0x00100400, 0x00000001, 0x02000000, 0x00100400,
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0x02000000, 0x00100400, 0x00100000, 0x02000401, 0x02000401, 0x02100001, 0x02100001, 0x00000001,
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0x00100001, 0x02000000, 0x02000400, 0x00100000, 0x02100400, 0x00000401, 0x00100401, 0x02100400,
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0x00000401, 0x02000001, 0x02100401, 0x02100000, 0x00100400, 0x00000000, 0x00000001, 0x02100401,
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0x00000000, 0x00100401, 0x02100000, 0x00000400, 0x02000001, 0x02000400, 0x00000400, 0x00100001,
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},
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{
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0x08000820, 0x00000800, 0x00020000, 0x08020820, 0x08000000, 0x08000820, 0x00000020, 0x08000000,
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0x00020020, 0x08020000, 0x08020820, 0x00020800, 0x08020800, 0x00020820, 0x00000800, 0x00000020,
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0x08020000, 0x08000020, 0x08000800, 0x00000820, 0x00020800, 0x00020020, 0x08020020, 0x08020800,
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0x00000820, 0x00000000, 0x00000000, 0x08020020, 0x08000020, 0x08000800, 0x00020820, 0x00020000,
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0x00020820, 0x00020000, 0x08020800, 0x00000800, 0x00000020, 0x08020020, 0x00000800, 0x00020820,
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0x08000800, 0x00000020, 0x08000020, 0x08020000, 0x08020020, 0x08000000, 0x00020000, 0x08000820,
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0x00000000, 0x08020820, 0x00020020, 0x08000020, 0x08020000, 0x08000800, 0x08000820, 0x00000000,
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0x08020820, 0x00020800, 0x00020800, 0x00000820, 0x00000820, 0x00020020, 0x08000000, 0x08020800,
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},
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};
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#endif
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static uint64_t shuffle(uint64_t in, const uint8_t *shuffle, int shuffle_len) {
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int i;
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uint64_t res = 0;
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for (i = 0; i < shuffle_len; i++)
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res += res + ((in >> *shuffle++) & 1);
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return res;
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}
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static uint64_t shuffle_inv(uint64_t in, const uint8_t *shuffle, int shuffle_len) {
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int i;
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uint64_t res = 0;
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shuffle += shuffle_len - 1;
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for (i = 0; i < shuffle_len; i++) {
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res |= (in & 1) << *shuffle--;
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in >>= 1;
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}
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return res;
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}
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static uint32_t f_func(uint32_t r, uint64_t k) {
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int i;
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uint32_t out = 0;
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// rotate to get first part of E-shuffle in the lowest 6 bits
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r = (r << 1) | (r >> 31);
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// apply S-boxes, those compress the data again from 8 * 6 to 8 * 4 bits
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for (i = 7; i >= 0; i--) {
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uint8_t tmp = (r ^ k) & 0x3f;
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#if CONFIG_SMALL
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uint8_t v = S_boxes[i][tmp >> 1];
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if (tmp & 1) v >>= 4;
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out = (out >> 4) | (v << 28);
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#else
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out |= S_boxes_P_shuffle[i][tmp];
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#endif
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// get next 6 bits of E-shuffle and round key k into the lowest bits
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r = (r >> 4) | (r << 28);
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k >>= 6;
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}
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#if CONFIG_SMALL
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out = shuffle(out, P_shuffle, sizeof(P_shuffle));
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#endif
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return out;
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}
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/**
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* @brief rotate the two halves of the expanded 56 bit key each 1 bit left
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*
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* Note: the specification calls this "shift", so I kept it although
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* it is confusing.
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*/
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static uint64_t key_shift_left(uint64_t CDn) {
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uint64_t carries = (CDn >> 27) & 0x10000001;
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CDn <<= 1;
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CDn &= ~0x10000001;
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CDn |= carries;
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return CDn;
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}
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static void gen_roundkeys(uint64_t K[16], uint64_t key) {
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int i;
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// discard parity bits from key and shuffle it into C and D parts
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uint64_t CDn = shuffle(key, PC1_shuffle, sizeof(PC1_shuffle));
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// generate round keys
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for (i = 0; i < 16; i++) {
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CDn = key_shift_left(CDn);
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if (i > 1 && i != 8 && i != 15)
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CDn = key_shift_left(CDn);
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K[i] = shuffle(CDn, PC2_shuffle, sizeof(PC2_shuffle));
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}
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}
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static uint64_t des_encdec(uint64_t in, uint64_t K[16], int decrypt) {
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int i;
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// used to apply round keys in reverse order for decryption
|
|
decrypt = decrypt ? 15 : 0;
|
|
// shuffle irrelevant to security but to ease hardware implementations
|
|
in = shuffle(in, IP_shuffle, sizeof(IP_shuffle));
|
|
for (i = 0; i < 16; i++) {
|
|
uint32_t f_res;
|
|
f_res = f_func(in, K[decrypt ^ i]);
|
|
in = (in << 32) | (in >> 32);
|
|
in ^= f_res;
|
|
}
|
|
in = (in << 32) | (in >> 32);
|
|
// reverse shuffle used to ease hardware implementations
|
|
in = shuffle_inv(in, IP_shuffle, sizeof(IP_shuffle));
|
|
return in;
|
|
}
|
|
|
|
int av_des_init(AVDES *d, const uint8_t *key, int key_bits, int decrypt) {
|
|
if (key_bits != 64 && key_bits != 192)
|
|
return -1;
|
|
d->triple_des = key_bits > 64;
|
|
gen_roundkeys(d->round_keys[0], AV_RB64(key));
|
|
if (d->triple_des) {
|
|
gen_roundkeys(d->round_keys[1], AV_RB64(key + 8));
|
|
gen_roundkeys(d->round_keys[2], AV_RB64(key + 16));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void av_des_crypt(AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) {
|
|
uint64_t iv_val = iv ? av_be2ne64(*(uint64_t *)iv) : 0;
|
|
while (count-- > 0) {
|
|
uint64_t dst_val;
|
|
uint64_t src_val = src ? av_be2ne64(*(const uint64_t *)src) : 0;
|
|
if (decrypt) {
|
|
uint64_t tmp = src_val;
|
|
if (d->triple_des) {
|
|
src_val = des_encdec(src_val, d->round_keys[2], 1);
|
|
src_val = des_encdec(src_val, d->round_keys[1], 0);
|
|
}
|
|
dst_val = des_encdec(src_val, d->round_keys[0], 1) ^ iv_val;
|
|
iv_val = iv ? tmp : 0;
|
|
} else {
|
|
dst_val = des_encdec(src_val ^ iv_val, d->round_keys[0], 0);
|
|
if (d->triple_des) {
|
|
dst_val = des_encdec(dst_val, d->round_keys[1], 1);
|
|
dst_val = des_encdec(dst_val, d->round_keys[2], 0);
|
|
}
|
|
iv_val = iv ? dst_val : 0;
|
|
}
|
|
*(uint64_t *)dst = av_be2ne64(dst_val);
|
|
src += 8;
|
|
dst += 8;
|
|
}
|
|
if (iv)
|
|
*(uint64_t *)iv = av_be2ne64(iv_val);
|
|
}
|
|
|
|
#ifdef TEST
|
|
#undef printf
|
|
#undef rand
|
|
#undef srand
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <sys/time.h>
|
|
static uint64_t rand64(void) {
|
|
uint64_t r = rand();
|
|
r = (r << 32) | rand();
|
|
return r;
|
|
}
|
|
|
|
static const uint8_t test_key[] = {0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0};
|
|
static const DECLARE_ALIGNED(8, uint8_t, plain)[] = {0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10};
|
|
static const DECLARE_ALIGNED(8, uint8_t, crypt)[] = {0x4a, 0xb6, 0x5b, 0x3d, 0x4b, 0x06, 0x15, 0x18};
|
|
static DECLARE_ALIGNED(8, uint8_t, tmp)[8];
|
|
static DECLARE_ALIGNED(8, uint8_t, large_buffer)[10002][8];
|
|
static const uint8_t cbc_key[] = {
|
|
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
|
|
0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01,
|
|
0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23
|
|
};
|
|
|
|
static int run_test(int cbc, int decrypt) {
|
|
AVDES d;
|
|
int delay = cbc && !decrypt ? 2 : 1;
|
|
uint64_t res;
|
|
AV_WB64(large_buffer[0], 0x4e6f772069732074ULL);
|
|
AV_WB64(large_buffer[1], 0x1234567890abcdefULL);
|
|
AV_WB64(tmp, 0x1234567890abcdefULL);
|
|
av_des_init(&d, cbc_key, 192, decrypt);
|
|
av_des_crypt(&d, large_buffer[delay], large_buffer[0], 10000, cbc ? tmp : NULL, decrypt);
|
|
res = AV_RB64(large_buffer[9999 + delay]);
|
|
if (cbc) {
|
|
if (decrypt)
|
|
return res == 0xc5cecf63ecec514cULL;
|
|
else
|
|
return res == 0xcb191f85d1ed8439ULL;
|
|
} else {
|
|
if (decrypt)
|
|
return res == 0x8325397644091a0aULL;
|
|
else
|
|
return res == 0xdd17e8b8b437d232ULL;
|
|
}
|
|
}
|
|
|
|
int main(void) {
|
|
AVDES d;
|
|
int i;
|
|
#ifdef GENTABLES
|
|
int j;
|
|
#endif
|
|
struct timeval tv;
|
|
uint64_t key[3];
|
|
uint64_t data;
|
|
uint64_t ct;
|
|
uint64_t roundkeys[16];
|
|
gettimeofday(&tv, NULL);
|
|
srand(tv.tv_sec * 1000 * 1000 + tv.tv_usec);
|
|
key[0] = AV_RB64(test_key);
|
|
data = AV_RB64(plain);
|
|
gen_roundkeys(roundkeys, key[0]);
|
|
if (des_encdec(data, roundkeys, 0) != AV_RB64(crypt)) {
|
|
printf("Test 1 failed\n");
|
|
return 1;
|
|
}
|
|
av_des_init(&d, test_key, 64, 0);
|
|
av_des_crypt(&d, tmp, plain, 1, NULL, 0);
|
|
if (memcmp(tmp, crypt, sizeof(crypt))) {
|
|
printf("Public API decryption failed\n");
|
|
return 1;
|
|
}
|
|
if (!run_test(0, 0) || !run_test(0, 1) || !run_test(1, 0) || !run_test(1, 1)) {
|
|
printf("Partial Monte-Carlo test failed\n");
|
|
return 1;
|
|
}
|
|
for (i = 0; i < 1000; i++) {
|
|
key[0] = rand64(); key[1] = rand64(); key[2] = rand64();
|
|
data = rand64();
|
|
av_des_init(&d, key, 192, 0);
|
|
av_des_crypt(&d, &ct, &data, 1, NULL, 0);
|
|
av_des_init(&d, key, 192, 1);
|
|
av_des_crypt(&d, &ct, &ct, 1, NULL, 1);
|
|
if (ct != data) {
|
|
printf("Test 2 failed\n");
|
|
return 1;
|
|
}
|
|
}
|
|
#ifdef GENTABLES
|
|
printf("static const uint32_t S_boxes_P_shuffle[8][64] = {\n");
|
|
for (i = 0; i < 8; i++) {
|
|
printf(" {");
|
|
for (j = 0; j < 64; j++) {
|
|
uint32_t v = S_boxes[i][j >> 1];
|
|
v = j & 1 ? v >> 4 : v & 0xf;
|
|
v <<= 28 - 4 * i;
|
|
v = shuffle(v, P_shuffle, sizeof(P_shuffle));
|
|
printf((j & 7) == 0 ? "\n " : " ");
|
|
printf("0x%08X,", v);
|
|
}
|
|
printf("\n },\n");
|
|
}
|
|
printf("};\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
#endif
|