[10875] | 1 | // Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
|
---|
| 2 | // Java port Copyright 1996 Frank O'Dwyer (fod@brd.ie)
|
---|
| 3 | // Copyright 1996 Rainbow Diamond Limited
|
---|
| 4 | // All rights reserved.
|
---|
| 5 | //
|
---|
| 6 | // The ie.brd.crypto.algorithms.DES package is substantially derived from
|
---|
| 7 | // part of an SSL implementation written in 'C' by Eric Young (eay@mincom.oz.au).
|
---|
| 8 | // See below for the terms and conditions that apply to that code. This section
|
---|
| 9 | // describes the additional terms and conditions for this Java port only:
|
---|
| 10 | //
|
---|
| 11 | // NOTICE TO USER:
|
---|
| 12 | // THIS IS A CONTRACT BETWEEN YOU AND RAINBOW DIAMOND LIMITED ("RAINBOW DIAMOND"),
|
---|
| 13 | // AN IRISH LIMITED COMPANY. BY INSTALLING THIS SOFTWARE, YOU ACCEPT ALL THE
|
---|
| 14 | // TERMS AND CONDITIONS OF THIS AGREEMENT. ADDITIONALLY, NOTHING OTHER THAN
|
---|
| 15 | // ACCEPTING THE TERMS OF THIS AGREEMENT ENTITLES YOU TO COPY OR REDISTRIBUTE
|
---|
| 16 | // THIS SOFTWARE.
|
---|
| 17 | //
|
---|
| 18 | // This set of classes is FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
|
---|
| 19 | // as long as the following conditions are adhered to:
|
---|
| 20 | //
|
---|
| 21 | // Copyright remains with the authors and as such any Copyright notices in
|
---|
| 22 | // the code are not to be removed. If this code is used in a product,
|
---|
| 23 | // Eric Young and Rainbow Diamond Limited should be given attribution as the
|
---|
| 24 | // authors of the parts used. This can be in the form of a textual message at
|
---|
| 25 | // program startup or in documentation (online or textual) provided with the
|
---|
| 26 | // package.
|
---|
| 27 | //
|
---|
| 28 | // Redistribution and use in source and binary forms, with or without
|
---|
| 29 | // modification, are permitted provided that the following conditions
|
---|
| 30 | // are met:
|
---|
| 31 | // 1. Redistributions of source code must retain the copyright
|
---|
| 32 | // notice, this list of conditions and the following disclaimer.
|
---|
| 33 | // 2. Redistributions in binary form must reproduce the above copyright
|
---|
| 34 | // notice, this list of conditions and the following disclaimer in the
|
---|
| 35 | // documentation and/or other materials provided with the distribution.
|
---|
| 36 | // 3. All advertising materials mentioning features or use of this software
|
---|
| 37 | // must display the following acknowledgement:
|
---|
| 38 | // This product includes software developed by Eric Young (eay@mincom.oz.au)
|
---|
| 39 | // Java port by Frank O'Dwyer (fod@brd.ie) for Rainbow Diamond Limited.
|
---|
| 40 | // 4. You agree that the software will not be shipped, transferred or exported
|
---|
| 41 | // into any country or used in any manner prohibited by applicable export
|
---|
| 42 | // laws, restrictions or regulations. You agree to indemnify and save
|
---|
| 43 | // harmless Rainbow Diamond Limited, its employees, and suppliers against
|
---|
| 44 | // any loss, injury, damage or expense whatsover either to it, or any third
|
---|
| 45 | // party as a result of your own acts, defaults, or neglect in exporting
|
---|
| 46 | // or transferring the software.
|
---|
| 47 | // 5. RAINBOW DIAMOND LIMITED IS PROVIDING YOU WITH THIS SOFTWARE FREE OF CHARGE
|
---|
| 48 | // FOR DEMONSTRATION PURPOSES ON AN "AS IS" BASIS. RAINBOW DIAMOND AND ITS
|
---|
| 49 | // SUPPLIERS DO NOT AND CANNOT WARRANT THE PERFORMANCE OR RESULTS YOU MAY
|
---|
| 50 | // OBTAIN BY USING THE SOFTWARE OR DOCUMENTATION. SAVE FOR ANY WARRANTY WHICH
|
---|
| 51 | // CANNOT BE EXCLUDED BY COMPULSORY LAW IN IRELAND, RAINBOW DIAMOND AND ITS
|
---|
| 52 | // SUPPLIERS MAKE NO WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, AS TO
|
---|
| 53 | // NONINFRINGEMENT OF THIRD PARTY RIGHTS, MERCHANTIBILITY, SATISFACTORY QUALITY
|
---|
| 54 | // OR FITNESS FOR ANY PARTICULAR PURPOSE. IN NO EVENT WILL RAINBOW DIAMOND
|
---|
| 55 | // OR ITS SUPPLIERS BE LIABLE TO YOU FOR ANY DAMAGES WHATSOEVER (INCLUDING,
|
---|
| 56 | // WITHOUT LIMITATION CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES, INCLUDING
|
---|
| 57 | // ANY LOST PROFITS OR LOST SAVINGS) ARISING OUT OF THE USE OR INABILITY TO
|
---|
| 58 | // USE THE SOFTWARE EVEN IF A RAINBOW DIAMOND REPRESENTATIVE HAS BEEN ADVISED
|
---|
| 59 | // OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR ANY CLAIM BY A THIRD PARTY. WHERE
|
---|
| 60 | // LEGALLY LIABILITY CANNOT BE EXCLUDED, BUT IT MAY BE LIMITED, RAINBOW
|
---|
| 61 | // DIAMOND'S LIABILITY AND THAT OF ITS SUPPLIERS SHALL BE LIMITED TO THE SUM
|
---|
[11480] | 62 | // OF TWENTY FIVE POUNDS (�25) IN TOTAL.
|
---|
[10875] | 63 | //
|
---|
| 64 | // The contractual rights which you enjoy by virtue of Section 12, 13, 14, and
|
---|
| 65 | // 15 of the Sale of Goods Act, 1893 (as amended) are in no way prejudiced
|
---|
| 66 | // by anything contained in this Agreement save (if you are not dealing as
|
---|
| 67 | // a consumer or in the case of an international sale of goods) to the extent
|
---|
| 68 | // permitted by law.
|
---|
| 69 | //
|
---|
| 70 | // Section 39 of the Sale of Goods and Supply of Services Act, 1980 is hereby
|
---|
| 71 | // excluded with respect to the supply of this software. The contractual rights
|
---|
| 72 | // which you enjoy by virtue of the provisions of Section 39 of the Sale of Goods
|
---|
| 73 | // and Supply of Services Act, 1980 are in no way prejudiced by anything contained
|
---|
| 74 | // in these terms and conditions save to the extent permitted by law.
|
---|
| 75 | //
|
---|
| 76 | // Rainbow Diamond Limited is acting on behalf its suppliers for the purpose of
|
---|
| 77 | // disclaiming, excluding and/or restricting obligations, warranties and
|
---|
| 78 | // liability as provided in this clause 5, but in no other respects and for
|
---|
| 79 | // no other purpose.
|
---|
| 80 | // 6. This agreeement is governed by Irish law and you submit to the jurisdiction
|
---|
| 81 | // of the Irish courts in relation to any matter or dispute arising hereunder.
|
---|
| 82 | //
|
---|
| 83 | // The licence and distribution terms for any publically available version or
|
---|
| 84 | // derivative of this code cannot be changed. i.e. this code cannot simply be
|
---|
| 85 | // copied and put under another distribution licence
|
---|
| 86 | // [including the GNU Public Licence.]
|
---|
| 87 |
|
---|
| 88 | /* original eay copyright notice follows:*/
|
---|
| 89 |
|
---|
| 90 | /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
|
---|
| 91 | * All rights reserved.
|
---|
| 92 | *
|
---|
| 93 | * This file is part of an SSL implementation written
|
---|
| 94 | * by Eric Young (eay@mincom.oz.au).
|
---|
| 95 | * The implementation was written so as to conform with Netscapes SSL
|
---|
| 96 | * specification. This library and applications are
|
---|
| 97 | * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
|
---|
| 98 | * as long as the following conditions are aheared to.
|
---|
| 99 | *
|
---|
| 100 | * Copyright remains Eric Young's, and as such any Copyright notices in
|
---|
| 101 | * the code are not to be removed. If this code is used in a product,
|
---|
| 102 | * Eric Young should be given attribution as the author of the parts used.
|
---|
| 103 | * This can be in the form of a textual message at program startup or
|
---|
| 104 | * in documentation (online or textual) provided with the package.
|
---|
| 105 | *
|
---|
| 106 | * Redistribution and use in source and binary forms, with or without
|
---|
| 107 | * modification, are permitted provided that the following conditions
|
---|
| 108 | * are met:
|
---|
| 109 | * 1. Redistributions of source code must retain the copyright
|
---|
| 110 | * notice, this list of conditions and the following disclaimer.
|
---|
| 111 | * 2. Redistributions in binary form must reproduce the above copyright
|
---|
| 112 | * notice, this list of conditions and the following disclaimer in the
|
---|
| 113 | * documentation and/or other materials provided with the distribution.
|
---|
| 114 | * 3. All advertising materials mentioning features or use of this software
|
---|
| 115 | * must display the following acknowledgement:
|
---|
| 116 | * This product includes software developed by Eric Young (eay@mincom.oz.au)
|
---|
| 117 | *
|
---|
| 118 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
---|
| 119 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
---|
| 120 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
---|
| 121 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
---|
| 122 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
---|
| 123 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
---|
| 124 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
---|
| 125 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
---|
| 126 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
---|
| 127 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
---|
| 128 | * SUCH DAMAGE.
|
---|
| 129 | *
|
---|
| 130 | * The licence and distribution terms for any publically available version or
|
---|
| 131 | * derivative of this code cannot be changed. i.e. this code cannot simply be
|
---|
| 132 | * copied and put under another distribution licence
|
---|
| 133 | * [including the GNU Public Licence.]
|
---|
| 134 | */
|
---|
| 135 |
|
---|
[8012] | 136 | #include "../globals.h"
|
---|
| 137 | #include "../oscam-string.h"
|
---|
[8] | 138 | #include "des.h"
|
---|
| 139 |
|
---|
[11429] | 140 | static const uint8_t weak_keys[16][8] =
|
---|
| 141 | {
|
---|
| 142 | // weak keys
|
---|
| 143 | {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
|
---|
| 144 | {0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE},
|
---|
| 145 | {0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F},
|
---|
| 146 | {0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0},
|
---|
| 147 | // semi-weak keys
|
---|
| 148 | {0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE},
|
---|
| 149 | {0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01},
|
---|
| 150 | {0x1F,0xE0,0x1F,0xE0,0x0E,0xF1,0x0E,0xF1},
|
---|
| 151 | {0xE0,0x1F,0xE0,0x1F,0xF1,0x0E,0xF1,0x0E},
|
---|
| 152 | {0x01,0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1},
|
---|
| 153 | {0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1,0x01},
|
---|
| 154 | {0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E,0xFE},
|
---|
| 155 | {0xFE,0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E},
|
---|
| 156 | {0x01,0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E},
|
---|
| 157 | {0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E,0x01},
|
---|
| 158 | {0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE},
|
---|
| 159 | {0xFE,0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1}
|
---|
| 160 | };
|
---|
[8] | 161 |
|
---|
[11429] | 162 | static const uint8_t odd_parity[] =
|
---|
| 163 | {
|
---|
| 164 | 1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14,
|
---|
| 165 | 16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31,
|
---|
| 166 | 32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47,
|
---|
| 167 | 49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62,
|
---|
| 168 | 64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79,
|
---|
| 169 | 81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94,
|
---|
| 170 | 97, 97, 98, 98, 100,100,103,103,104,104,107,107,109,109,110,110,
|
---|
| 171 | 112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127,
|
---|
| 172 | 128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143,
|
---|
| 173 | 145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158,
|
---|
| 174 | 161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174,
|
---|
| 175 | 176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191,
|
---|
| 176 | 193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206,
|
---|
| 177 | 208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223,
|
---|
| 178 | 224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239,
|
---|
| 179 | 241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254
|
---|
| 180 | };
|
---|
[8] | 181 |
|
---|
[10875] | 182 | static const uint8_t shifts2[16] = {0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0};
|
---|
[8] | 183 |
|
---|
[11429] | 184 | static const uint32_t des_skb[8][64] =
|
---|
| 185 | {
|
---|
| 186 | {
|
---|
[10875] | 187 | 0x00000000,0x00000010,0x20000000,0x20000010,
|
---|
| 188 | 0x00010000,0x00010010,0x20010000,0x20010010,
|
---|
| 189 | 0x00000800,0x00000810,0x20000800,0x20000810,
|
---|
| 190 | 0x00010800,0x00010810,0x20010800,0x20010810,
|
---|
| 191 | 0x00000020,0x00000030,0x20000020,0x20000030,
|
---|
| 192 | 0x00010020,0x00010030,0x20010020,0x20010030,
|
---|
| 193 | 0x00000820,0x00000830,0x20000820,0x20000830,
|
---|
| 194 | 0x00010820,0x00010830,0x20010820,0x20010830,
|
---|
| 195 | 0x00080000,0x00080010,0x20080000,0x20080010,
|
---|
| 196 | 0x00090000,0x00090010,0x20090000,0x20090010,
|
---|
| 197 | 0x00080800,0x00080810,0x20080800,0x20080810,
|
---|
| 198 | 0x00090800,0x00090810,0x20090800,0x20090810,
|
---|
| 199 | 0x00080020,0x00080030,0x20080020,0x20080030,
|
---|
| 200 | 0x00090020,0x00090030,0x20090020,0x20090030,
|
---|
| 201 | 0x00080820,0x00080830,0x20080820,0x20080830,
|
---|
| 202 | 0x00090820,0x00090830,0x20090820,0x20090830,
|
---|
[11429] | 203 | },{
|
---|
[8] | 204 |
|
---|
[10875] | 205 | 0x00000000,0x02000000,0x00002000,0x02002000,
|
---|
| 206 | 0x00200000,0x02200000,0x00202000,0x02202000,
|
---|
| 207 | 0x00000004,0x02000004,0x00002004,0x02002004,
|
---|
| 208 | 0x00200004,0x02200004,0x00202004,0x02202004,
|
---|
| 209 | 0x00000400,0x02000400,0x00002400,0x02002400,
|
---|
| 210 | 0x00200400,0x02200400,0x00202400,0x02202400,
|
---|
| 211 | 0x00000404,0x02000404,0x00002404,0x02002404,
|
---|
| 212 | 0x00200404,0x02200404,0x00202404,0x02202404,
|
---|
| 213 | 0x10000000,0x12000000,0x10002000,0x12002000,
|
---|
| 214 | 0x10200000,0x12200000,0x10202000,0x12202000,
|
---|
| 215 | 0x10000004,0x12000004,0x10002004,0x12002004,
|
---|
| 216 | 0x10200004,0x12200004,0x10202004,0x12202004,
|
---|
| 217 | 0x10000400,0x12000400,0x10002400,0x12002400,
|
---|
| 218 | 0x10200400,0x12200400,0x10202400,0x12202400,
|
---|
| 219 | 0x10000404,0x12000404,0x10002404,0x12002404,
|
---|
| 220 | 0x10200404,0x12200404,0x10202404,0x12202404,
|
---|
[11429] | 221 | },{
|
---|
[8] | 222 |
|
---|
[10875] | 223 | 0x00000000,0x00000001,0x00040000,0x00040001,
|
---|
| 224 | 0x01000000,0x01000001,0x01040000,0x01040001,
|
---|
| 225 | 0x00000002,0x00000003,0x00040002,0x00040003,
|
---|
| 226 | 0x01000002,0x01000003,0x01040002,0x01040003,
|
---|
| 227 | 0x00000200,0x00000201,0x00040200,0x00040201,
|
---|
| 228 | 0x01000200,0x01000201,0x01040200,0x01040201,
|
---|
| 229 | 0x00000202,0x00000203,0x00040202,0x00040203,
|
---|
| 230 | 0x01000202,0x01000203,0x01040202,0x01040203,
|
---|
| 231 | 0x08000000,0x08000001,0x08040000,0x08040001,
|
---|
| 232 | 0x09000000,0x09000001,0x09040000,0x09040001,
|
---|
| 233 | 0x08000002,0x08000003,0x08040002,0x08040003,
|
---|
| 234 | 0x09000002,0x09000003,0x09040002,0x09040003,
|
---|
| 235 | 0x08000200,0x08000201,0x08040200,0x08040201,
|
---|
| 236 | 0x09000200,0x09000201,0x09040200,0x09040201,
|
---|
| 237 | 0x08000202,0x08000203,0x08040202,0x08040203,
|
---|
| 238 | 0x09000202,0x09000203,0x09040202,0x09040203,
|
---|
[11429] | 239 | },{
|
---|
[8] | 240 |
|
---|
[10875] | 241 | 0x00000000,0x00100000,0x00000100,0x00100100,
|
---|
| 242 | 0x00000008,0x00100008,0x00000108,0x00100108,
|
---|
| 243 | 0x00001000,0x00101000,0x00001100,0x00101100,
|
---|
| 244 | 0x00001008,0x00101008,0x00001108,0x00101108,
|
---|
| 245 | 0x04000000,0x04100000,0x04000100,0x04100100,
|
---|
| 246 | 0x04000008,0x04100008,0x04000108,0x04100108,
|
---|
| 247 | 0x04001000,0x04101000,0x04001100,0x04101100,
|
---|
| 248 | 0x04001008,0x04101008,0x04001108,0x04101108,
|
---|
| 249 | 0x00020000,0x00120000,0x00020100,0x00120100,
|
---|
| 250 | 0x00020008,0x00120008,0x00020108,0x00120108,
|
---|
| 251 | 0x00021000,0x00121000,0x00021100,0x00121100,
|
---|
| 252 | 0x00021008,0x00121008,0x00021108,0x00121108,
|
---|
| 253 | 0x04020000,0x04120000,0x04020100,0x04120100,
|
---|
| 254 | 0x04020008,0x04120008,0x04020108,0x04120108,
|
---|
| 255 | 0x04021000,0x04121000,0x04021100,0x04121100,
|
---|
| 256 | 0x04021008,0x04121008,0x04021108,0x04121108,
|
---|
[11429] | 257 | },{
|
---|
[8732] | 258 |
|
---|
[10875] | 259 | 0x00000000,0x10000000,0x00010000,0x10010000,
|
---|
| 260 | 0x00000004,0x10000004,0x00010004,0x10010004,
|
---|
| 261 | 0x20000000,0x30000000,0x20010000,0x30010000,
|
---|
| 262 | 0x20000004,0x30000004,0x20010004,0x30010004,
|
---|
| 263 | 0x00100000,0x10100000,0x00110000,0x10110000,
|
---|
| 264 | 0x00100004,0x10100004,0x00110004,0x10110004,
|
---|
| 265 | 0x20100000,0x30100000,0x20110000,0x30110000,
|
---|
| 266 | 0x20100004,0x30100004,0x20110004,0x30110004,
|
---|
| 267 | 0x00001000,0x10001000,0x00011000,0x10011000,
|
---|
| 268 | 0x00001004,0x10001004,0x00011004,0x10011004,
|
---|
| 269 | 0x20001000,0x30001000,0x20011000,0x30011000,
|
---|
| 270 | 0x20001004,0x30001004,0x20011004,0x30011004,
|
---|
| 271 | 0x00101000,0x10101000,0x00111000,0x10111000,
|
---|
| 272 | 0x00101004,0x10101004,0x00111004,0x10111004,
|
---|
| 273 | 0x20101000,0x30101000,0x20111000,0x30111000,
|
---|
| 274 | 0x20101004,0x30101004,0x20111004,0x30111004,
|
---|
[11429] | 275 | },{
|
---|
[8] | 276 |
|
---|
[10875] | 277 | 0x00000000,0x08000000,0x00000008,0x08000008,
|
---|
| 278 | 0x00000400,0x08000400,0x00000408,0x08000408,
|
---|
| 279 | 0x00020000,0x08020000,0x00020008,0x08020008,
|
---|
| 280 | 0x00020400,0x08020400,0x00020408,0x08020408,
|
---|
| 281 | 0x00000001,0x08000001,0x00000009,0x08000009,
|
---|
| 282 | 0x00000401,0x08000401,0x00000409,0x08000409,
|
---|
| 283 | 0x00020001,0x08020001,0x00020009,0x08020009,
|
---|
| 284 | 0x00020401,0x08020401,0x00020409,0x08020409,
|
---|
| 285 | 0x02000000,0x0A000000,0x02000008,0x0A000008,
|
---|
| 286 | 0x02000400,0x0A000400,0x02000408,0x0A000408,
|
---|
| 287 | 0x02020000,0x0A020000,0x02020008,0x0A020008,
|
---|
| 288 | 0x02020400,0x0A020400,0x02020408,0x0A020408,
|
---|
| 289 | 0x02000001,0x0A000001,0x02000009,0x0A000009,
|
---|
| 290 | 0x02000401,0x0A000401,0x02000409,0x0A000409,
|
---|
| 291 | 0x02020001,0x0A020001,0x02020009,0x0A020009,
|
---|
| 292 | 0x02020401,0x0A020401,0x02020409,0x0A020409,
|
---|
[11429] | 293 | },{
|
---|
[8] | 294 |
|
---|
[10875] | 295 | 0x00000000,0x00000100,0x00080000,0x00080100,
|
---|
| 296 | 0x01000000,0x01000100,0x01080000,0x01080100,
|
---|
| 297 | 0x00000010,0x00000110,0x00080010,0x00080110,
|
---|
| 298 | 0x01000010,0x01000110,0x01080010,0x01080110,
|
---|
| 299 | 0x00200000,0x00200100,0x00280000,0x00280100,
|
---|
| 300 | 0x01200000,0x01200100,0x01280000,0x01280100,
|
---|
| 301 | 0x00200010,0x00200110,0x00280010,0x00280110,
|
---|
| 302 | 0x01200010,0x01200110,0x01280010,0x01280110,
|
---|
| 303 | 0x00000200,0x00000300,0x00080200,0x00080300,
|
---|
| 304 | 0x01000200,0x01000300,0x01080200,0x01080300,
|
---|
| 305 | 0x00000210,0x00000310,0x00080210,0x00080310,
|
---|
| 306 | 0x01000210,0x01000310,0x01080210,0x01080310,
|
---|
| 307 | 0x00200200,0x00200300,0x00280200,0x00280300,
|
---|
| 308 | 0x01200200,0x01200300,0x01280200,0x01280300,
|
---|
| 309 | 0x00200210,0x00200310,0x00280210,0x00280310,
|
---|
| 310 | 0x01200210,0x01200310,0x01280210,0x01280310,
|
---|
[11429] | 311 | },{
|
---|
[8] | 312 |
|
---|
[10875] | 313 | 0x00000000,0x04000000,0x00040000,0x04040000,
|
---|
| 314 | 0x00000002,0x04000002,0x00040002,0x04040002,
|
---|
| 315 | 0x00002000,0x04002000,0x00042000,0x04042000,
|
---|
| 316 | 0x00002002,0x04002002,0x00042002,0x04042002,
|
---|
| 317 | 0x00000020,0x04000020,0x00040020,0x04040020,
|
---|
| 318 | 0x00000022,0x04000022,0x00040022,0x04040022,
|
---|
| 319 | 0x00002020,0x04002020,0x00042020,0x04042020,
|
---|
| 320 | 0x00002022,0x04002022,0x00042022,0x04042022,
|
---|
| 321 | 0x00000800,0x04000800,0x00040800,0x04040800,
|
---|
| 322 | 0x00000802,0x04000802,0x00040802,0x04040802,
|
---|
| 323 | 0x00002800,0x04002800,0x00042800,0x04042800,
|
---|
| 324 | 0x00002802,0x04002802,0x00042802,0x04042802,
|
---|
| 325 | 0x00000820,0x04000820,0x00040820,0x04040820,
|
---|
| 326 | 0x00000822,0x04000822,0x00040822,0x04040822,
|
---|
| 327 | 0x00002820,0x04002820,0x00042820,0x04042820,
|
---|
| 328 | 0x00002822,0x04002822,0x00042822,0x04042822,
|
---|
[11429] | 329 | }
|
---|
| 330 | };
|
---|
[8] | 331 |
|
---|
[11429] | 332 | static const uint32_t des_SPtrans[8][64] =
|
---|
| 333 | {
|
---|
[10875] | 334 | {
|
---|
| 335 | 0x00820200, 0x00020000, 0x80800000, 0x80820200,
|
---|
| 336 | 0x00800000, 0x80020200, 0x80020000, 0x80800000,
|
---|
| 337 | 0x80020200, 0x00820200, 0x00820000, 0x80000200,
|
---|
| 338 | 0x80800200, 0x00800000, 0x00000000, 0x80020000,
|
---|
| 339 | 0x00020000, 0x80000000, 0x00800200, 0x00020200,
|
---|
| 340 | 0x80820200, 0x00820000, 0x80000200, 0x00800200,
|
---|
| 341 | 0x80000000, 0x00000200, 0x00020200, 0x80820000,
|
---|
| 342 | 0x00000200, 0x80800200, 0x80820000, 0x00000000,
|
---|
| 343 | 0x00000000, 0x80820200, 0x00800200, 0x80020000,
|
---|
| 344 | 0x00820200, 0x00020000, 0x80000200, 0x00800200,
|
---|
| 345 | 0x80820000, 0x00000200, 0x00020200, 0x80800000,
|
---|
| 346 | 0x80020200, 0x80000000, 0x80800000, 0x00820000,
|
---|
| 347 | 0x80820200, 0x00020200, 0x00820000, 0x80800200,
|
---|
| 348 | 0x00800000, 0x80000200, 0x80020000, 0x00000000,
|
---|
| 349 | 0x00020000, 0x00800000, 0x80800200, 0x00820200,
|
---|
| 350 | 0x80000000, 0x80820000, 0x00000200, 0x80020200,
|
---|
[11429] | 351 | },{
|
---|
[8] | 352 |
|
---|
[10875] | 353 | 0x10042004, 0x00000000, 0x00042000, 0x10040000,
|
---|
| 354 | 0x10000004, 0x00002004, 0x10002000, 0x00042000,
|
---|
| 355 | 0x00002000, 0x10040004, 0x00000004, 0x10002000,
|
---|
| 356 | 0x00040004, 0x10042000, 0x10040000, 0x00000004,
|
---|
| 357 | 0x00040000, 0x10002004, 0x10040004, 0x00002000,
|
---|
| 358 | 0x00042004, 0x10000000, 0x00000000, 0x00040004,
|
---|
| 359 | 0x10002004, 0x00042004, 0x10042000, 0x10000004,
|
---|
| 360 | 0x10000000, 0x00040000, 0x00002004, 0x10042004,
|
---|
| 361 | 0x00040004, 0x10042000, 0x10002000, 0x00042004,
|
---|
| 362 | 0x10042004, 0x00040004, 0x10000004, 0x00000000,
|
---|
| 363 | 0x10000000, 0x00002004, 0x00040000, 0x10040004,
|
---|
| 364 | 0x00002000, 0x10000000, 0x00042004, 0x10002004,
|
---|
| 365 | 0x10042000, 0x00002000, 0x00000000, 0x10000004,
|
---|
| 366 | 0x00000004, 0x10042004, 0x00042000, 0x10040000,
|
---|
| 367 | 0x10040004, 0x00040000, 0x00002004, 0x10002000,
|
---|
| 368 | 0x10002004, 0x00000004, 0x10040000, 0x00042000,
|
---|
[11429] | 369 | },{
|
---|
[8] | 370 |
|
---|
[10875] | 371 | 0x41000000, 0x01010040, 0x00000040, 0x41000040,
|
---|
| 372 | 0x40010000, 0x01000000, 0x41000040, 0x00010040,
|
---|
| 373 | 0x01000040, 0x00010000, 0x01010000, 0x40000000,
|
---|
| 374 | 0x41010040, 0x40000040, 0x40000000, 0x41010000,
|
---|
| 375 | 0x00000000, 0x40010000, 0x01010040, 0x00000040,
|
---|
| 376 | 0x40000040, 0x41010040, 0x00010000, 0x41000000,
|
---|
| 377 | 0x41010000, 0x01000040, 0x40010040, 0x01010000,
|
---|
| 378 | 0x00010040, 0x00000000, 0x01000000, 0x40010040,
|
---|
| 379 | 0x01010040, 0x00000040, 0x40000000, 0x00010000,
|
---|
| 380 | 0x40000040, 0x40010000, 0x01010000, 0x41000040,
|
---|
| 381 | 0x00000000, 0x01010040, 0x00010040, 0x41010000,
|
---|
| 382 | 0x40010000, 0x01000000, 0x41010040, 0x40000000,
|
---|
| 383 | 0x40010040, 0x41000000, 0x01000000, 0x41010040,
|
---|
| 384 | 0x00010000, 0x01000040, 0x41000040, 0x00010040,
|
---|
| 385 | 0x01000040, 0x00000000, 0x41010000, 0x40000040,
|
---|
| 386 | 0x41000000, 0x40010040, 0x00000040, 0x01010000,
|
---|
[11429] | 387 | },{
|
---|
[8] | 388 |
|
---|
[10875] | 389 | 0x00100402, 0x04000400, 0x00000002, 0x04100402,
|
---|
| 390 | 0x00000000, 0x04100000, 0x04000402, 0x00100002,
|
---|
| 391 | 0x04100400, 0x04000002, 0x04000000, 0x00000402,
|
---|
| 392 | 0x04000002, 0x00100402, 0x00100000, 0x04000000,
|
---|
| 393 | 0x04100002, 0x00100400, 0x00000400, 0x00000002,
|
---|
| 394 | 0x00100400, 0x04000402, 0x04100000, 0x00000400,
|
---|
| 395 | 0x00000402, 0x00000000, 0x00100002, 0x04100400,
|
---|
| 396 | 0x04000400, 0x04100002, 0x04100402, 0x00100000,
|
---|
| 397 | 0x04100002, 0x00000402, 0x00100000, 0x04000002,
|
---|
| 398 | 0x00100400, 0x04000400, 0x00000002, 0x04100000,
|
---|
| 399 | 0x04000402, 0x00000000, 0x00000400, 0x00100002,
|
---|
| 400 | 0x00000000, 0x04100002, 0x04100400, 0x00000400,
|
---|
| 401 | 0x04000000, 0x04100402, 0x00100402, 0x00100000,
|
---|
| 402 | 0x04100402, 0x00000002, 0x04000400, 0x00100402,
|
---|
| 403 | 0x00100002, 0x00100400, 0x04100000, 0x04000402,
|
---|
| 404 | 0x00000402, 0x04000000, 0x04000002, 0x04100400,
|
---|
[11429] | 405 | },{
|
---|
[8] | 406 |
|
---|
[10875] | 407 | 0x02000000, 0x00004000, 0x00000100, 0x02004108,
|
---|
| 408 | 0x02004008, 0x02000100, 0x00004108, 0x02004000,
|
---|
| 409 | 0x00004000, 0x00000008, 0x02000008, 0x00004100,
|
---|
| 410 | 0x02000108, 0x02004008, 0x02004100, 0x00000000,
|
---|
| 411 | 0x00004100, 0x02000000, 0x00004008, 0x00000108,
|
---|
| 412 | 0x02000100, 0x00004108, 0x00000000, 0x02000008,
|
---|
| 413 | 0x00000008, 0x02000108, 0x02004108, 0x00004008,
|
---|
| 414 | 0x02004000, 0x00000100, 0x00000108, 0x02004100,
|
---|
| 415 | 0x02004100, 0x02000108, 0x00004008, 0x02004000,
|
---|
| 416 | 0x00004000, 0x00000008, 0x02000008, 0x02000100,
|
---|
| 417 | 0x02000000, 0x00004100, 0x02004108, 0x00000000,
|
---|
| 418 | 0x00004108, 0x02000000, 0x00000100, 0x00004008,
|
---|
| 419 | 0x02000108, 0x00000100, 0x00000000, 0x02004108,
|
---|
| 420 | 0x02004008, 0x02004100, 0x00000108, 0x00004000,
|
---|
| 421 | 0x00004100, 0x02004008, 0x02000100, 0x00000108,
|
---|
| 422 | 0x00000008, 0x00004108, 0x02004000, 0x02000008,
|
---|
[11429] | 423 | },{
|
---|
[8] | 424 |
|
---|
[10875] | 425 | 0x20000010, 0x00080010, 0x00000000, 0x20080800,
|
---|
| 426 | 0x00080010, 0x00000800, 0x20000810, 0x00080000,
|
---|
| 427 | 0x00000810, 0x20080810, 0x00080800, 0x20000000,
|
---|
| 428 | 0x20000800, 0x20000010, 0x20080000, 0x00080810,
|
---|
| 429 | 0x00080000, 0x20000810, 0x20080010, 0x00000000,
|
---|
| 430 | 0x00000800, 0x00000010, 0x20080800, 0x20080010,
|
---|
| 431 | 0x20080810, 0x20080000, 0x20000000, 0x00000810,
|
---|
| 432 | 0x00000010, 0x00080800, 0x00080810, 0x20000800,
|
---|
| 433 | 0x00000810, 0x20000000, 0x20000800, 0x00080810,
|
---|
| 434 | 0x20080800, 0x00080010, 0x00000000, 0x20000800,
|
---|
| 435 | 0x20000000, 0x00000800, 0x20080010, 0x00080000,
|
---|
| 436 | 0x00080010, 0x20080810, 0x00080800, 0x00000010,
|
---|
| 437 | 0x20080810, 0x00080800, 0x00080000, 0x20000810,
|
---|
| 438 | 0x20000010, 0x20080000, 0x00080810, 0x00000000,
|
---|
| 439 | 0x00000800, 0x20000010, 0x20000810, 0x20080800,
|
---|
| 440 | 0x20080000, 0x00000810, 0x00000010, 0x20080010,
|
---|
[11429] | 441 | },{
|
---|
[8] | 442 |
|
---|
[10875] | 443 | 0x00001000, 0x00000080, 0x00400080, 0x00400001,
|
---|
| 444 | 0x00401081, 0x00001001, 0x00001080, 0x00000000,
|
---|
| 445 | 0x00400000, 0x00400081, 0x00000081, 0x00401000,
|
---|
| 446 | 0x00000001, 0x00401080, 0x00401000, 0x00000081,
|
---|
| 447 | 0x00400081, 0x00001000, 0x00001001, 0x00401081,
|
---|
| 448 | 0x00000000, 0x00400080, 0x00400001, 0x00001080,
|
---|
| 449 | 0x00401001, 0x00001081, 0x00401080, 0x00000001,
|
---|
| 450 | 0x00001081, 0x00401001, 0x00000080, 0x00400000,
|
---|
| 451 | 0x00001081, 0x00401000, 0x00401001, 0x00000081,
|
---|
| 452 | 0x00001000, 0x00000080, 0x00400000, 0x00401001,
|
---|
| 453 | 0x00400081, 0x00001081, 0x00001080, 0x00000000,
|
---|
| 454 | 0x00000080, 0x00400001, 0x00000001, 0x00400080,
|
---|
| 455 | 0x00000000, 0x00400081, 0x00400080, 0x00001080,
|
---|
| 456 | 0x00000081, 0x00001000, 0x00401081, 0x00400000,
|
---|
| 457 | 0x00401080, 0x00000001, 0x00001001, 0x00401081,
|
---|
| 458 | 0x00400001, 0x00401080, 0x00401000, 0x00001001,
|
---|
[11429] | 459 | },{
|
---|
[8] | 460 |
|
---|
[10875] | 461 | 0x08200020, 0x08208000, 0x00008020, 0x00000000,
|
---|
| 462 | 0x08008000, 0x00200020, 0x08200000, 0x08208020,
|
---|
| 463 | 0x00000020, 0x08000000, 0x00208000, 0x00008020,
|
---|
| 464 | 0x00208020, 0x08008020, 0x08000020, 0x08200000,
|
---|
| 465 | 0x00008000, 0x00208020, 0x00200020, 0x08008000,
|
---|
| 466 | 0x08208020, 0x08000020, 0x00000000, 0x00208000,
|
---|
| 467 | 0x08000000, 0x00200000, 0x08008020, 0x08200020,
|
---|
| 468 | 0x00200000, 0x00008000, 0x08208000, 0x00000020,
|
---|
| 469 | 0x00200000, 0x00008000, 0x08000020, 0x08208020,
|
---|
| 470 | 0x00008020, 0x08000000, 0x00000000, 0x00208000,
|
---|
| 471 | 0x08200020, 0x08008020, 0x08008000, 0x00200020,
|
---|
| 472 | 0x08208000, 0x00000020, 0x00200020, 0x08008000,
|
---|
| 473 | 0x08208020, 0x00200000, 0x08200000, 0x08000020,
|
---|
| 474 | 0x00208000, 0x00008020, 0x08008020, 0x08200000,
|
---|
| 475 | 0x00000020, 0x08208000, 0x00208020, 0x00000000,
|
---|
| 476 | 0x08000000, 0x08200020, 0x00008000, 0x00208020,
|
---|
[11429] | 477 | }
|
---|
| 478 | };
|
---|
[8952] | 479 |
|
---|
[10875] | 480 | static const int32_t DES_KEY_SZ=8;
|
---|
| 481 |
|
---|
| 482 | void des_set_odd_parity(uint8_t* key)
|
---|
| 483 | {
|
---|
| 484 | int32_t i;
|
---|
[11429] | 485 |
|
---|
[10875] | 486 | for (i=0; i < DES_KEY_SZ; i++)
|
---|
| 487 | key[i]=odd_parity[key[i]&0xff];
|
---|
[8] | 488 | }
|
---|
| 489 |
|
---|
[10875] | 490 | int8_t check_parity(const uint8_t* key)
|
---|
[8] | 491 | {
|
---|
[10875] | 492 | int32_t i;
|
---|
[11429] | 493 |
|
---|
| 494 | for (i=0; i < DES_KEY_SZ; i++)
|
---|
| 495 | {
|
---|
| 496 | if (key[i] != odd_parity[key[i]&0xff])
|
---|
[10875] | 497 | return 0;
|
---|
[8960] | 498 | }
|
---|
[10875] | 499 | return 1;
|
---|
[8] | 500 | }
|
---|
| 501 |
|
---|
[10875] | 502 | int8_t des_is_weak_key(const uint8_t* key)
|
---|
[8] | 503 | {
|
---|
[10875] | 504 | int32_t i, j;
|
---|
[11429] | 505 |
|
---|
| 506 | for (i=0; i < 16; i++)
|
---|
| 507 | {
|
---|
| 508 | for(j=0; j < DES_KEY_SZ; j++)
|
---|
| 509 | {
|
---|
| 510 | if (weak_keys[i][j] != key[j])
|
---|
| 511 | {
|
---|
[10875] | 512 | // not weak
|
---|
| 513 | continue;
|
---|
[8960] | 514 | }
|
---|
| 515 | }
|
---|
[10875] | 516 | // weak
|
---|
| 517 | return 1;
|
---|
[8960] | 518 | }
|
---|
[10875] | 519 | return 0;
|
---|
[8] | 520 | }
|
---|
| 521 |
|
---|
[11429] | 522 | static uint32_t Get32bits(const uint8_t* key, int32_t kindex)
|
---|
| 523 | {
|
---|
[10884] | 524 | return(((key[kindex+3]&0xff)<<24) + ((key[kindex+2]&0xff)<<16) + ((key[kindex+1]&0xff)<<8) + (key[kindex]&0xff));
|
---|
[10875] | 525 | }
|
---|
| 526 |
|
---|
| 527 | int8_t des_set_key(const uint8_t* key, uint32_t* schedule)
|
---|
[8732] | 528 | {
|
---|
[10875] | 529 | uint32_t c,d,t,s;
|
---|
| 530 | int32_t inIndex;
|
---|
| 531 | int32_t kIndex;
|
---|
| 532 | int32_t i;
|
---|
| 533 | inIndex=0;
|
---|
| 534 | kIndex=0;
|
---|
| 535 | c =Get32bits(key, inIndex);
|
---|
| 536 | d =Get32bits(key, inIndex+4);
|
---|
| 537 | t=(((d>>4)^c)&0x0f0f0f0f);
|
---|
| 538 | c^=t;
|
---|
| 539 | d^=(t<<4);
|
---|
| 540 | t=(((c<<(16-(-2)))^c)&0xcccc0000);
|
---|
| 541 | c=c^t^(t>>(16-(-2)));
|
---|
| 542 | t=((d<<(16-(-2)))^d)&0xcccc0000;
|
---|
| 543 | d=d^t^(t>>(16-(-2)));
|
---|
| 544 | t=((d>>1)^c)&0x55555555;
|
---|
| 545 | c^=t;
|
---|
| 546 | d^=(t<<1);
|
---|
| 547 | t=((c>>8)^d)&0x00ff00ff;
|
---|
| 548 | d^=t;
|
---|
| 549 | c^=(t<<8);
|
---|
| 550 | t=((d>>1)^c)&0x55555555;
|
---|
| 551 | c^=t;
|
---|
| 552 | d^=(t<<1);
|
---|
| 553 | d= (((d&0x000000ff)<<16)| (d&0x0000ff00) |((d&0x00ff0000)>>16)|((c&0xf0000000)>>4));
|
---|
| 554 | c&=0x0fffffff;
|
---|
[11429] | 555 | for (i=0; i < 16; i++)
|
---|
| 556 | {
|
---|
| 557 | if (shifts2[i])
|
---|
| 558 | {
|
---|
[10875] | 559 | c=((c>>2)|(c<<26));
|
---|
| 560 | d=((d>>2)|(d<<26));
|
---|
[11429] | 561 | }
|
---|
| 562 | else
|
---|
| 563 | {
|
---|
[10875] | 564 | c=((c>>1)|(c<<27));
|
---|
| 565 | d=((d>>1)|(d<<27));
|
---|
[8960] | 566 | }
|
---|
[10875] | 567 | c&=0x0fffffff;
|
---|
| 568 | d&=0x0fffffff;
|
---|
| 569 | s= des_skb[0][ (c )&0x3f ]|
|
---|
| 570 | des_skb[1][((c>> 6)&0x03)|((c>> 7)&0x3c)]|
|
---|
| 571 | des_skb[2][((c>>13)&0x0f)|((c>>14)&0x30)]|
|
---|
| 572 | des_skb[3][((c>>20)&0x01)|((c>>21)&0x06) |
|
---|
[11429] | 573 | ((c>>22)&0x38)];
|
---|
[10875] | 574 | t= des_skb[4][ (d )&0x3f ]|
|
---|
| 575 | des_skb[5][((d>> 7)&0x03)|((d>> 8)&0x3c)]|
|
---|
| 576 | des_skb[6][ (d>>15)&0x3f ]|
|
---|
| 577 | des_skb[7][((d>>21)&0x0f)|((d>>22)&0x30)];
|
---|
| 578 | schedule[kIndex++]=((t<<16)|(s&0x0000ffff))&0xffffffff;
|
---|
| 579 | s=((s>>16)|(t&0xffff0000));
|
---|
| 580 | s=(s<<4)|(s>>28);
|
---|
| 581 | schedule[kIndex++]=s&0xffffffff;
|
---|
[8960] | 582 | }
|
---|
[10875] | 583 | return 1;
|
---|
| 584 | }
|
---|
[8] | 585 |
|
---|
[11429] | 586 | static uint32_t _lrotr(uint32_t i)
|
---|
| 587 | {
|
---|
[10875] | 588 | return((i>>4) | ((i&0xff)<<28));
|
---|
[8] | 589 | }
|
---|
| 590 |
|
---|
[10882] | 591 | static void des_encrypt_int(uint32_t* data, const uint32_t* ks, int8_t do_encrypt)
|
---|
[8732] | 592 | {
|
---|
[11616] | 593 | uint32_t l=0,r=0,t=0,u=0;
|
---|
[10875] | 594 | int32_t i;
|
---|
[8] | 595 |
|
---|
[10875] | 596 | u=data[0];
|
---|
| 597 | r=data[1];
|
---|
[8] | 598 |
|
---|
[8960] | 599 | {
|
---|
[10875] | 600 | uint32_t tt;
|
---|
| 601 |
|
---|
| 602 | tt=((r>>4)^u)&0x0f0f0f0f;
|
---|
| 603 | u^=tt;
|
---|
| 604 | r^=(tt<<4);
|
---|
| 605 | tt=(((u>>16)^r)&0x0000ffff);
|
---|
| 606 | r^=tt;
|
---|
| 607 | u^=(tt<<16);
|
---|
| 608 | tt=(((r>>2)^u)&0x33333333);
|
---|
| 609 | u^=tt;
|
---|
| 610 | r^=(tt<<2);
|
---|
| 611 | tt=(((u>>8)^r)&0x00ff00ff);
|
---|
| 612 | r^=tt;
|
---|
| 613 | u^=(tt<<8);
|
---|
| 614 | tt=(((r>>1)^u)&0x55555555);
|
---|
| 615 | u^=tt;
|
---|
| 616 | r^=(tt<<1);
|
---|
[8960] | 617 | }
|
---|
[8] | 618 |
|
---|
[10875] | 619 | l=(r<<1)|(r>>31);
|
---|
| 620 | r=(u<<1)|(u>>31);
|
---|
| 621 | l&=0xffffffff;
|
---|
| 622 | r&=0xffffffff;
|
---|
| 623 |
|
---|
[11429] | 624 | if (do_encrypt)
|
---|
| 625 | {
|
---|
| 626 | for (i=0; i < 32; i+=8)
|
---|
| 627 | {
|
---|
| 628 | {
|
---|
| 629 | u=(r^ks[i+0 ]);
|
---|
| 630 | t=r^ks[i+0+1];
|
---|
| 631 | t=(_lrotr(t));
|
---|
| 632 | l^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 633 | };
|
---|
| 634 | {
|
---|
| 635 | u=(l^ks[i+2 ]);
|
---|
| 636 | t=l^ks[i+2+1];
|
---|
| 637 | t=(_lrotr(t));
|
---|
| 638 | r^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 639 | };
|
---|
| 640 | {
|
---|
| 641 | u=(r^ks[i+4 ]);
|
---|
| 642 | t=r^ks[i+4+1];
|
---|
| 643 | t=(_lrotr(t));
|
---|
| 644 | l^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 645 | };
|
---|
| 646 | {
|
---|
| 647 | u=(l^ks[i+6 ]);
|
---|
| 648 | t=l^ks[i+6+1];
|
---|
| 649 | t=(_lrotr(t));
|
---|
| 650 | r^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 651 | };
|
---|
[8960] | 652 | }
|
---|
[11429] | 653 | }
|
---|
| 654 | else
|
---|
| 655 | {
|
---|
| 656 | for (i=30; i > 0; i-=8)
|
---|
| 657 | {
|
---|
| 658 | {
|
---|
| 659 | u=(r^ks[i-0 ]);
|
---|
| 660 | t=r^ks[i-0+1];
|
---|
| 661 | t=(_lrotr(t));
|
---|
| 662 | l^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 663 | };
|
---|
| 664 | {
|
---|
| 665 | u=(l^ks[i-2 ]);
|
---|
| 666 | t=l^ks[i-2+1];
|
---|
| 667 | t=(_lrotr(t));
|
---|
| 668 | r^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 669 | };
|
---|
| 670 | {
|
---|
| 671 | u=(r^ks[i-4 ]);
|
---|
| 672 | t=r^ks[i-4+1];
|
---|
| 673 | t=(_lrotr(t));
|
---|
| 674 | l^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 675 | };
|
---|
| 676 | {
|
---|
| 677 | u=(l^ks[i-6 ]);
|
---|
| 678 | t=l^ks[i-6+1];
|
---|
| 679 | t=(_lrotr(t));
|
---|
| 680 | r^= des_SPtrans[1][(t )&0x3f]| des_SPtrans[3][(t>> 8)&0x3f]| des_SPtrans[5][(t>>16)&0x3f]| des_SPtrans[7][(t>>24)&0x3f]| des_SPtrans[0][(u )&0x3f]| des_SPtrans[2][(u>> 8)&0x3f]| des_SPtrans[4][(u>>16)&0x3f]| des_SPtrans[6][(u>>24)&0x3f];
|
---|
| 681 | };
|
---|
[10875] | 682 | }
|
---|
[8960] | 683 | }
|
---|
[8] | 684 |
|
---|
[10875] | 685 | l=(l>>1)|(l<<31);
|
---|
| 686 | r=(r>>1)|(r<<31);
|
---|
| 687 | l&=0xffffffff;
|
---|
| 688 | r&=0xffffffff;
|
---|
[8] | 689 |
|
---|
[10875] | 690 | {
|
---|
| 691 | uint32_t tt;
|
---|
| 692 | tt=(((r>>1)^l)&0x55555555);
|
---|
| 693 | l^=tt;
|
---|
| 694 | r^=(tt<<1);
|
---|
| 695 | tt=(((l>>8)^r)&0x00ff00ff);
|
---|
| 696 | r^=tt;
|
---|
| 697 | l^=(tt<<8);
|
---|
| 698 | tt=(((r>>2)^l)&0x33333333);
|
---|
| 699 | l^=tt;
|
---|
| 700 | r^=(tt<<2);
|
---|
| 701 | tt=(((l>>16)^r)&0x0000ffff);
|
---|
| 702 | r^=tt;
|
---|
| 703 | l^=(tt<<16);
|
---|
| 704 | tt=(((r>>4)^l)&0x0f0f0f0f);
|
---|
| 705 | l^=tt;
|
---|
| 706 | r^=(tt<<4);
|
---|
| 707 | }
|
---|
[8] | 708 |
|
---|
[10875] | 709 | data[0]=l;
|
---|
| 710 | data[1]=r;
|
---|
[8] | 711 | }
|
---|
| 712 |
|
---|
[10882] | 713 | void des(uint8_t* data, const uint32_t* schedule, int8_t do_encrypt)
|
---|
[8] | 714 | {
|
---|
[10875] | 715 | uint32_t l, ll[2];
|
---|
| 716 | int32_t inIndex;
|
---|
| 717 | int32_t outIndex;
|
---|
[8] | 718 |
|
---|
[10875] | 719 | inIndex=0;
|
---|
| 720 | outIndex=0;
|
---|
[8] | 721 |
|
---|
[10875] | 722 | l = Get32bits(data, inIndex);
|
---|
| 723 | ll[0]=l;
|
---|
[8] | 724 |
|
---|
[10875] | 725 | l = Get32bits(data, inIndex+4);
|
---|
| 726 | ll[1]=l;
|
---|
| 727 |
|
---|
[10882] | 728 | des_encrypt_int(ll, schedule, do_encrypt);
|
---|
[10875] | 729 |
|
---|
| 730 | l=ll[0];
|
---|
| 731 |
|
---|
| 732 | data[outIndex++] = (l&0xff);
|
---|
| 733 | data[outIndex++] = ((l>>8)&0xff);
|
---|
| 734 | data[outIndex++] = ((l>>16)&0xff);
|
---|
| 735 | data[outIndex++] = ((l>>24)&0xff);
|
---|
| 736 | l=ll[1];
|
---|
| 737 | data[outIndex++] = (l&0xff);
|
---|
| 738 | data[outIndex++] = ((l>>8) &0xff);
|
---|
| 739 | data[outIndex++] = ((l>>16) &0xff);
|
---|
| 740 | data[outIndex++] = ((l>>24) &0xff);
|
---|
[8] | 741 | }
|
---|
| 742 |
|
---|
[9872] | 743 | static inline void xxor(uint8_t *data, int32_t len, const uint8_t *v1, const uint8_t *v2)
|
---|
| 744 | {
|
---|
[9930] | 745 | uint32_t i;
|
---|
| 746 | switch(len)
|
---|
| 747 | {
|
---|
| 748 | case 16:
|
---|
[11465] | 749 | for(i = 0; i < 16; ++i)
|
---|
[11429] | 750 | {
|
---|
[9930] | 751 | data[i] = v1[i] ^ v2[i];
|
---|
[11465] | 752 | }
|
---|
| 753 | break;
|
---|
[9930] | 754 | case 8:
|
---|
[11465] | 755 | for(i = 0; i < 8; ++i)
|
---|
[11429] | 756 | {
|
---|
[9930] | 757 | data[i] = v1[i] ^ v2[i];
|
---|
[11465] | 758 | }
|
---|
| 759 | break;
|
---|
[9930] | 760 | case 4:
|
---|
[11429] | 761 | for(i = 0; i < 4; ++i)
|
---|
| 762 | {
|
---|
[9930] | 763 | data[i] = v1[i] ^ v2[i];
|
---|
[11465] | 764 | }
|
---|
[9872] | 765 | break;
|
---|
[9930] | 766 | default:
|
---|
[11429] | 767 | while(len--)
|
---|
| 768 | {
|
---|
| 769 | *data++ = *v1++ ^ *v2++;
|
---|
| 770 | }
|
---|
[9872] | 771 | break;
|
---|
| 772 | }
|
---|
| 773 | }
|
---|
| 774 |
|
---|
[10875] | 775 | void des_ecb_encrypt(uint8_t* data, const uint8_t* key, int32_t len)
|
---|
[9872] | 776 | {
|
---|
[10875] | 777 | uint32_t schedule[32];
|
---|
[11429] | 778 | int32_t i;
|
---|
| 779 |
|
---|
[10875] | 780 | des_set_key(key, schedule);
|
---|
[11429] | 781 |
|
---|
[10875] | 782 | len&=~7;
|
---|
[11429] | 783 |
|
---|
| 784 | for(i=0; i<len; i+=8)
|
---|
| 785 | {
|
---|
[10875] | 786 | des(&data[i], schedule, 1);
|
---|
| 787 | }
|
---|
| 788 | }
|
---|
| 789 |
|
---|
| 790 | void des_ecb_decrypt(uint8_t* data, const uint8_t* key, int32_t len)
|
---|
| 791 | {
|
---|
| 792 | uint32_t schedule[32];
|
---|
[11429] | 793 | int32_t i;
|
---|
| 794 |
|
---|
[10875] | 795 | des_set_key(key, schedule);
|
---|
[11429] | 796 |
|
---|
[10875] | 797 | len&=~7;
|
---|
| 798 |
|
---|
[11429] | 799 | for(i=0; i<len; i+=8)
|
---|
| 800 | {
|
---|
[10875] | 801 | des(&data[i], schedule, 0);
|
---|
| 802 | }
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | void des_cbc_encrypt(uint8_t* data, const uint8_t* iv, const uint8_t* key, int32_t len)
|
---|
| 806 | {
|
---|
[11429] | 807 | const uint8_t *civ = iv;
|
---|
[10875] | 808 | uint32_t schedule[32];
|
---|
[11429] | 809 | int32_t i;
|
---|
[9872] | 810 |
|
---|
[10875] | 811 | des_set_key(key, schedule);
|
---|
[11429] | 812 |
|
---|
[9872] | 813 | len&=~7;
|
---|
| 814 |
|
---|
[11429] | 815 | for(i=0; i<len; i+=8)
|
---|
| 816 | {
|
---|
[9872] | 817 | xxor(&data[i],8,&data[i],civ);
|
---|
| 818 | civ=&data[i];
|
---|
[10875] | 819 | des(&data[i], schedule, 1);
|
---|
[9872] | 820 | }
|
---|
| 821 | }
|
---|
| 822 |
|
---|
[10875] | 823 | void des_cbc_decrypt(uint8_t* data, const uint8_t* iv, const uint8_t* key, int32_t len)
|
---|
[9872] | 824 | {
|
---|
| 825 | uint8_t civ[2][8];
|
---|
[10875] | 826 | uint32_t schedule[32];
|
---|
[9872] | 827 | int32_t i, n=0;
|
---|
| 828 |
|
---|
[10875] | 829 | des_set_key(key, schedule);
|
---|
| 830 |
|
---|
[9872] | 831 | len&=~7;
|
---|
| 832 |
|
---|
| 833 | memcpy(civ[n],iv,8);
|
---|
[11429] | 834 | for(i=0; i<len; i+=8,data+=8,n^=1)
|
---|
| 835 | {
|
---|
[9872] | 836 | memcpy(civ[1-n],data,8);
|
---|
[11429] | 837 | des(data, schedule,0);
|
---|
[9872] | 838 | xxor(data,8,data,civ[n]);
|
---|
| 839 | }
|
---|
| 840 | }
|
---|
[10875] | 841 |
|
---|
| 842 | void des_ede2_cbc_encrypt(uint8_t* data, const uint8_t* iv, const uint8_t* key1, const uint8_t* key2, int32_t len)
|
---|
| 843 | {
|
---|
[11429] | 844 | const uint8_t *civ = iv;
|
---|
[10875] | 845 | uint32_t schedule1[32], schedule2[32];
|
---|
[11429] | 846 | int32_t i;
|
---|
[10875] | 847 |
|
---|
| 848 | des_set_key(key1, schedule1);
|
---|
| 849 | des_set_key(key2, schedule2);
|
---|
| 850 |
|
---|
| 851 | len&=~7;
|
---|
| 852 |
|
---|
[11429] | 853 | for(i=0; i<len; i+=8)
|
---|
| 854 | {
|
---|
[10875] | 855 | xxor(&data[i],8,&data[i],civ);
|
---|
| 856 | civ=&data[i];
|
---|
[11429] | 857 |
|
---|
[10875] | 858 | des(&data[i], schedule1, 1);
|
---|
| 859 | des(&data[i], schedule2, 0);
|
---|
| 860 | des(&data[i], schedule1, 1);
|
---|
| 861 | }
|
---|
| 862 | }
|
---|
| 863 |
|
---|
| 864 | void des_ede2_cbc_decrypt(uint8_t* data, const uint8_t* iv, const uint8_t* key1, const uint8_t* key2, int32_t len)
|
---|
| 865 | {
|
---|
| 866 | uint8_t civ[2][8];
|
---|
| 867 | uint32_t schedule1[32], schedule2[32];
|
---|
| 868 | int32_t i, n=0;
|
---|
| 869 |
|
---|
| 870 | des_set_key(key1, schedule1);
|
---|
| 871 | des_set_key(key2, schedule2);
|
---|
[11429] | 872 |
|
---|
[10875] | 873 | len&=~7;
|
---|
| 874 |
|
---|
| 875 | memcpy(civ[n],iv,8);
|
---|
[11429] | 876 | for(i=0; i<len; i+=8,data+=8,n^=1)
|
---|
| 877 | {
|
---|
[10875] | 878 | memcpy(civ[1-n],data,8);
|
---|
| 879 | des(data, schedule1, 0);
|
---|
| 880 | des(data, schedule2, 1);
|
---|
[11429] | 881 | des(data, schedule1, 0);
|
---|
[10875] | 882 | xxor(data,8,data,civ[n]);
|
---|
| 883 | }
|
---|
| 884 | }
|
---|
[11429] | 885 |
|
---|
[11465] | 886 | void des_ecb3_decrypt(uint8_t* data, const uint8_t* key)
|
---|
[11429] | 887 | {
|
---|
[11465] | 888 | uint8_t desA[8];
|
---|
| 889 | uint8_t desB[8];
|
---|
| 890 |
|
---|
| 891 | uint32_t schedule1[32];
|
---|
| 892 | uint32_t schedule2[32];
|
---|
| 893 |
|
---|
| 894 | memcpy(desA, key, 8);
|
---|
| 895 | des_set_key(desA, schedule1);
|
---|
| 896 | memcpy(desB, key+8, 8);
|
---|
| 897 | des_set_key(desB, schedule2);
|
---|
[11480] | 898 |
|
---|
[11465] | 899 | des(data, schedule1, 0);
|
---|
| 900 | des(data, schedule2, 1);
|
---|
| 901 | des(data, schedule1, 0);
|
---|
[11429] | 902 | }
|
---|
[11465] | 903 |
|
---|
| 904 | void des_ecb3_encrypt(uint8_t* data, const uint8_t* key)
|
---|
| 905 | {
|
---|
| 906 | uint8_t desA[8];
|
---|
| 907 | uint8_t desB[8];
|
---|
| 908 |
|
---|
| 909 | uint32_t schedule1[32];
|
---|
| 910 | uint32_t schedule2[32];
|
---|
| 911 |
|
---|
| 912 | memcpy(desA, key, 8);
|
---|
| 913 | des_set_key(desA, schedule1);
|
---|
| 914 | memcpy(desB, key+8, 8);
|
---|
| 915 | des_set_key(desB, schedule2);
|
---|
[11480] | 916 |
|
---|
[11465] | 917 | des(data, schedule1, 1);
|
---|
| 918 | des(data, schedule2, 0);
|
---|
| 919 | des(data, schedule1, 1);
|
---|
| 920 | }
|
---|