cryb-to/t/t_aes.c
2015-10-03 14:43:33 +00:00

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/*-
* Copyright (c) 2015 Dag-Erling Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "cryb/impl.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <cryb/aes.h>
#include "t.h"
struct t_case {
const char *desc;
const uint8_t key[AES_BLOCK_LEN];
const uint8_t ptext[AES_BLOCK_LEN];
const uint8_t ctext[AES_BLOCK_LEN];
};
/***************************************************************************
* Test cases
*/
static struct t_case t_cases[] = {
/* FIPS-197 test vectors */
{
.desc = "FIPS-197 C-1",
.key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, },
.ptext = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, },
.ctext = { 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a, },
},
};
/***************************************************************************
* Test functions
*/
static int
t_aes_enc(char **desc CRYB_UNUSED, void *arg)
{
struct t_case *t = arg;
uint8_t out[AES_BLOCK_LEN];
aes_ctx ctx;
asprintf(desc, "%s (encrypt)", t->desc);
aes_init(&ctx, CIPHER_MODE_ENCRYPT, t->key, sizeof t->key);
aes_update(&ctx, t->ptext, AES_BLOCK_LEN, out);
aes_finish(&ctx);
return (t_compare_mem(t->ctext, out, AES_BLOCK_LEN));
}
static int
t_aes_dec(char **desc CRYB_UNUSED, void *arg)
{
struct t_case *t = arg;
uint8_t out[AES_BLOCK_LEN];
aes_ctx ctx;
asprintf(desc, "%s (decrypt)", t->desc);
aes_init(&ctx, CIPHER_MODE_DECRYPT, t->key, sizeof t->key);
aes_update(&ctx, t->ctext, AES_BLOCK_LEN, out);
aes_finish(&ctx);
return (t_compare_mem(t->ptext, out, AES_BLOCK_LEN));
}
/***************************************************************************
* Boilerplate
*/
int
t_prepare(int argc, char *argv[])
{
unsigned int i, n;
(void)argc;
(void)argv;
n = sizeof t_cases / sizeof t_cases[0];
for (i = 0; i < n; ++i) {
t_add_test(t_aes_enc, &t_cases[i], t_cases[i].desc);
t_add_test(t_aes_dec, &t_cases[i], t_cases[i].desc);
}
return (0);
}
void
t_cleanup(void)
{
}