test00.c

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    1 /*-
    2  * Copyright (c) 2003 Poul-Henning Kamp
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/6.4/sys/crypto/rijndael/test00.c 121259 2003-10-19 22:12:23Z phk $
   27  *
   28  * This test checks for inplace decryption working.  This is the case
   29  * where the same buffer is passed as input and output to
   30  * rijndael_blockDecrypt().
   31  */
   32 
   33 #include <stdio.h>
   34 #include <sys/param.h>
   35 #include <sys/types.h>
   36 
   37 #include <crypto/rijndael/rijndael.h>
   38 
   39 #define LL 32 
   40 int
   41 main(int argc, char **argv)
   42 {
   43         keyInstance ki;
   44         cipherInstance ci;
   45         uint8_t key[16];
   46         uint8_t in[LL];
   47         uint8_t out[LL];
   48         int i, j;
   49 
   50         rijndael_cipherInit(&ci, MODE_CBC, NULL);
   51         for (i = 0; i < 16; i++)
   52                 key[i] = i;
   53         rijndael_makeKey(&ki, DIR_DECRYPT, 128, key);
   54         for (i = 0; i < LL; i++)
   55                 in[i] = i;
   56         rijndael_blockDecrypt(&ci, &ki, in, LL * 8, out);
   57         for (i = 0; i < LL; i++)
   58                 printf("%02x", out[i]);
   59         putchar('\n');
   60         rijndael_blockDecrypt(&ci, &ki, in, LL * 8, in);
   61         j = 0;
   62         for (i = 0; i < LL; i++) {
   63                 printf("%02x", in[i]);
   64                 if (in[i] != out[i])
   65                         j++;
   66         }
   67         putchar('\n');
   68         if (j != 0) {
   69                 fprintf(stderr,
   70                     "Error: inplace decryption fails in %d places\n", j);
   71                 return (1);
   72         } else {
   73                 return (0);
   74         }
   75 }

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FreeBSD/Linux Kernel Cross Reference sys/crypto/rijndael/test00.c

FreeBSD/Linux Kernel Cross Reference
sys/crypto/rijndael/test00.c