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76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*-
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* Copyright (c) 2003 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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* This test checks for inplace decryption working. This is the case
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* where the same buffer is passed as input and output to
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* rijndael_blockDecrypt().
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*/
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#include <stdio.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <crypto/rijndael/rijndael-api-fst.h>
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#define LL 32
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int
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main(int argc, char **argv)
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{
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keyInstance ki;
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cipherInstance ci;
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uint8_t key[16];
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uint8_t in[LL];
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uint8_t out[LL];
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int i, j;
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rijndael_cipherInit(&ci, MODE_CBC, NULL);
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for (i = 0; i < 16; i++)
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key[i] = i;
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rijndael_makeKey(&ki, DIR_DECRYPT, 128, key);
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for (i = 0; i < LL; i++)
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in[i] = i;
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rijndael_blockDecrypt(&ci, &ki, in, LL * 8, out);
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for (i = 0; i < LL; i++)
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printf("%02x", out[i]);
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putchar('\n');
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rijndael_blockDecrypt(&ci, &ki, in, LL * 8, in);
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j = 0;
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for (i = 0; i < LL; i++) {
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printf("%02x", in[i]);
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if (in[i] != out[i])
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j++;
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}
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putchar('\n');
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if (j != 0) {
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fprintf(stderr,
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"Error: inplace decryption fails in %d places\n", j);
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return (1);
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} else {
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return (0);
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}
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}
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