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/* $OpenBSD: sm4test.c,v 1.1 2019/03/17 17:48:31 tb Exp $ */
/*
* Copyright (c) 2017, 2019 Ribose Inc
*
* Permission to use, copy, modify, and/or 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 <err.h>
#include <stdio.h>
#include <string.h>
#include <openssl/sm4.h>
static void
hexdump(FILE *fp, const char *title, const uint8_t *buf, size_t len)
{
size_t i;
fprintf(fp, "%s:\n", title);
for (i = 1; i <= len; i++)
fprintf(fp, " 0x%02x,%s", buf[i - 1], (i % 8) ? "" : "\n");
if (i % 8 != 1)
fprintf(fp, "\n");
}
int
main(int argc, char *argv[])
{
int i;
SM4_KEY key;
uint8_t block[SM4_BLOCK_SIZE];
static const uint8_t k[SM4_BLOCK_SIZE] = {
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
};
static const uint8_t input[SM4_BLOCK_SIZE] = {
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
};
/*
* This test vector comes from Example 1 of GB/T 32907-2016,
* and described in Internet Draft draft-ribose-cfrg-sm4-02.
*/
static const uint8_t expected[SM4_BLOCK_SIZE] = {
0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e,
0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46
};
/*
* This test vector comes from Example 2 from GB/T 32907-2016,
* and described in Internet Draft draft-ribose-cfrg-sm4-02.
* After 1,000,000 iterations.
*/
static const uint8_t expected_iter[SM4_BLOCK_SIZE] = {
0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f,
0x04, 0x02, 0xf8, 0x04, 0xc3, 0x3d, 0x3f, 0x66
};
if (!SM4_set_key(k, &key))
errx(1, "SM4_set_key() failed");
memcpy(block, input, SM4_BLOCK_SIZE);
SM4_encrypt(block, block, &key);
if (memcmp(block, expected, SM4_BLOCK_SIZE) != 0) {
fprintf(stderr, "FAIL: Encryption failed\n");
hexdump(stderr, "Got", block, SM4_BLOCK_SIZE);
hexdump(stderr, "Expected", expected, SM4_BLOCK_SIZE);
return 1;
}
for (i = 0; i < 999999; i++)
SM4_encrypt(block, block, &key);
if (memcmp(block, expected_iter, SM4_BLOCK_SIZE) != 0) {
fprintf(stderr, "FAIL: Multi-iteration encryption failed\n");
hexdump(stderr, "Got", block, SM4_BLOCK_SIZE);
hexdump(stderr, "Expected", expected_iter, SM4_BLOCK_SIZE);
return 1;
}
for (i = 0; i < 1000000; i++)
SM4_decrypt(block, block, &key);
if (memcmp(block, input, SM4_BLOCK_SIZE) != 0) {
fprintf(stderr, "FAIL: Decrypted data does not match input\n");
hexdump(stderr, "Got", block, SM4_BLOCK_SIZE);
hexdump(stderr, "Expected", input, SM4_BLOCK_SIZE);
return 1;
}
return 0;
}
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