зеркало из https://github.com/mozilla/pjs.git
160 строки
5.2 KiB
C
160 строки
5.2 KiB
C
/*
|
|
* mksp.c
|
|
*
|
|
* Generate SP tables for DES-150 library
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is the DES-150 library.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Nelson B. Bolyard, nelsonb@iname.com.
|
|
* Portions created by the Initial Developer are Copyright (C) 1990
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include <stdio.h>
|
|
|
|
/*
|
|
* sboxes - the tables for the s-box functions
|
|
* from FIPS 46, pages 15-16.
|
|
*/
|
|
unsigned char S[8][64] = {
|
|
/* Func S1 = */ {
|
|
14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
|
|
3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
|
|
4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
|
|
15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13
|
|
},
|
|
/* Func S2 = */ {
|
|
15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
|
|
9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
|
|
0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
|
|
5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9
|
|
},
|
|
/* Func S3 = */ {
|
|
10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
|
|
1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
|
|
13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
|
|
11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12
|
|
},
|
|
/* Func S4 = */ {
|
|
7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
|
|
1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
|
|
10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
|
|
15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14
|
|
},
|
|
/* Func S5 = */ {
|
|
2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
|
|
8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
|
|
4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
|
|
15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3
|
|
},
|
|
/* Func S6 = */ {
|
|
12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
|
|
0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
|
|
9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
|
|
7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13
|
|
},
|
|
/* Func S7 = */ {
|
|
4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
|
|
3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
|
|
1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
|
|
10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12
|
|
},
|
|
/* Func S8 = */ {
|
|
13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
|
|
10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
|
|
7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
|
|
0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Permutation function for results from s-boxes
|
|
* from FIPS 46 pages 12 and 16.
|
|
* P =
|
|
*/
|
|
unsigned char P[32] = {
|
|
16, 7, 20, 21, 29, 12, 28, 17,
|
|
1, 15, 23, 26, 5, 18, 31, 10,
|
|
2, 8, 24, 14, 32, 27, 3, 9,
|
|
19, 13, 30, 6, 22, 11, 4, 25
|
|
};
|
|
|
|
unsigned int Pinv[32];
|
|
unsigned int SP[8][64];
|
|
|
|
void
|
|
makePinv(void)
|
|
{
|
|
int i;
|
|
unsigned int Pi = 0x80000000;
|
|
for (i = 0; i < 32; ++i) {
|
|
int j = 32 - P[i];
|
|
Pinv[j] = Pi;
|
|
Pi >>= 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
makeSP(void)
|
|
{
|
|
int box;
|
|
for (box = 0; box < 8; ++box) {
|
|
int item;
|
|
printf("/* box S%d */ {\n", box + 1);
|
|
for (item = 0; item < 64; ++item ) {
|
|
unsigned int s = S[box][item];
|
|
unsigned int val = 0;
|
|
unsigned int bitnum = (7-box) * 4;
|
|
for (; s; s >>= 1, ++bitnum) {
|
|
if (s & 1) {
|
|
val |= Pinv[bitnum];
|
|
}
|
|
}
|
|
val = (val << 3) | (val >> 29);
|
|
SP[box][item] = val;
|
|
}
|
|
for (item = 0; item < 64; item += 4) {
|
|
printf("\t0x%08x, 0x%08x, 0x%08x, 0x%08x,\n",
|
|
SP[box][item], SP[box][item+1], SP[box][item+2], SP[box][item+3]);
|
|
}
|
|
printf(" },\n");
|
|
}
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
makePinv();
|
|
makeSP();
|
|
return 0;
|
|
}
|