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/*-
* Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <string.h>
#include <stdio.h>
#include <crypto/rijndael.h>
#include <crypto/key_wrap.h>
void
ovbcopy(const void *src, void *dst, size_t len);
static void
print_hex(const char *str, unsigned char *buf, int len)
{
int i;
printf("%s", str);
for (i = 0; i < len; i++) {
if ((i % 8) == 0)
printf(" ");
printf("%02X", buf[i]);
}
printf("\n");
}
void
ovbcopy(const void *src, void *dst, size_t len)
{
/* userspace does not have ovbcopy: fake it */
memmove(dst, src, len);
}
static void
do_test(u_int kek_len, u_int data_len)
{
aes_key_wrap_ctx ctx;
u_int8_t kek[32], data[32];
u_int8_t output[64];
u_int i;
for (i = 0; i < kek_len; i++)
kek[i] = i;
printf("Input:\n");
print_hex("KEK:\n ", kek, kek_len);
for (i = 0; i < 16; i++)
data[i] = i * 16 + i;
for (; i < data_len; i++)
data[i] = i - 16;
print_hex("Key Data:\n ", data, data_len);
aes_key_wrap_set_key(&ctx, kek, kek_len);
aes_key_wrap(&ctx, data, data_len / 8, output);
print_hex("Ciphertext:\n ", output, data_len + 8);
aes_key_unwrap(&ctx, output, output, data_len / 8);
printf("Output:\n");
print_hex("Key Data:\n ", output, data_len);
printf("====\n");
}
int
main(void)
{
do_test(16, 16);
do_test(24, 16);
do_test(32, 16);
do_test(24, 24);
do_test(32, 24);
do_test(32, 32);
return 0;
}
void
explicit_bzero(void *b, size_t len)
{
bzero(b, len);
}
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