10513e13eSPoul-Henning Kamp /*-
20513e13eSPoul-Henning Kamp * Copyright (c) 2003 Poul-Henning Kamp
30513e13eSPoul-Henning Kamp * All rights reserved.
40513e13eSPoul-Henning Kamp *
50513e13eSPoul-Henning Kamp * Redistribution and use in source and binary forms, with or without
60513e13eSPoul-Henning Kamp * modification, are permitted provided that the following conditions
70513e13eSPoul-Henning Kamp * are met:
80513e13eSPoul-Henning Kamp * 1. Redistributions of source code must retain the above copyright
90513e13eSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer.
100513e13eSPoul-Henning Kamp * 2. Redistributions in binary form must reproduce the above copyright
110513e13eSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer in the
120513e13eSPoul-Henning Kamp * documentation and/or other materials provided with the distribution.
130513e13eSPoul-Henning Kamp *
140513e13eSPoul-Henning Kamp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
150513e13eSPoul-Henning Kamp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
160513e13eSPoul-Henning Kamp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
170513e13eSPoul-Henning Kamp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
180513e13eSPoul-Henning Kamp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
190513e13eSPoul-Henning Kamp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
200513e13eSPoul-Henning Kamp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
210513e13eSPoul-Henning Kamp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
220513e13eSPoul-Henning Kamp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
230513e13eSPoul-Henning Kamp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
240513e13eSPoul-Henning Kamp * SUCH DAMAGE.
250513e13eSPoul-Henning Kamp *
260513e13eSPoul-Henning Kamp * This test checks for inplace decryption working. This is the case
270513e13eSPoul-Henning Kamp * where the same buffer is passed as input and output to
280513e13eSPoul-Henning Kamp * rijndael_blockDecrypt().
290513e13eSPoul-Henning Kamp */
300513e13eSPoul-Henning Kamp
310513e13eSPoul-Henning Kamp #include <stdio.h>
320513e13eSPoul-Henning Kamp #include <sys/param.h>
330513e13eSPoul-Henning Kamp #include <sys/types.h>
340513e13eSPoul-Henning Kamp
35dd8c2454SMaxim Sobolev #include <crypto/rijndael/rijndael-api-fst.h>
360513e13eSPoul-Henning Kamp
370513e13eSPoul-Henning Kamp #define LL 32
380513e13eSPoul-Henning Kamp int
main(int argc,char ** argv)390513e13eSPoul-Henning Kamp main(int argc, char **argv)
400513e13eSPoul-Henning Kamp {
410513e13eSPoul-Henning Kamp keyInstance ki;
420513e13eSPoul-Henning Kamp cipherInstance ci;
430513e13eSPoul-Henning Kamp uint8_t key[16];
440513e13eSPoul-Henning Kamp uint8_t in[LL];
450513e13eSPoul-Henning Kamp uint8_t out[LL];
460513e13eSPoul-Henning Kamp int i, j;
470513e13eSPoul-Henning Kamp
480513e13eSPoul-Henning Kamp rijndael_cipherInit(&ci, MODE_CBC, NULL);
490513e13eSPoul-Henning Kamp for (i = 0; i < 16; i++)
500513e13eSPoul-Henning Kamp key[i] = i;
510513e13eSPoul-Henning Kamp rijndael_makeKey(&ki, DIR_DECRYPT, 128, key);
520513e13eSPoul-Henning Kamp for (i = 0; i < LL; i++)
530513e13eSPoul-Henning Kamp in[i] = i;
540513e13eSPoul-Henning Kamp rijndael_blockDecrypt(&ci, &ki, in, LL * 8, out);
550513e13eSPoul-Henning Kamp for (i = 0; i < LL; i++)
560513e13eSPoul-Henning Kamp printf("%02x", out[i]);
570513e13eSPoul-Henning Kamp putchar('\n');
580513e13eSPoul-Henning Kamp rijndael_blockDecrypt(&ci, &ki, in, LL * 8, in);
590513e13eSPoul-Henning Kamp j = 0;
600513e13eSPoul-Henning Kamp for (i = 0; i < LL; i++) {
610513e13eSPoul-Henning Kamp printf("%02x", in[i]);
620513e13eSPoul-Henning Kamp if (in[i] != out[i])
630513e13eSPoul-Henning Kamp j++;
640513e13eSPoul-Henning Kamp }
650513e13eSPoul-Henning Kamp putchar('\n');
660513e13eSPoul-Henning Kamp if (j != 0) {
670513e13eSPoul-Henning Kamp fprintf(stderr,
680513e13eSPoul-Henning Kamp "Error: inplace decryption fails in %d places\n", j);
690513e13eSPoul-Henning Kamp return (1);
700513e13eSPoul-Henning Kamp } else {
710513e13eSPoul-Henning Kamp return (0);
720513e13eSPoul-Henning Kamp }
730513e13eSPoul-Henning Kamp }
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