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/* $OpenBSD: sm3test.c,v 1.1 2018/11/11 07:12:33 tb Exp $ */
/*
* Copyright (c) 2018, 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/evp.h>
#define SM3_TESTS 3
const char *sm3_input[SM3_TESTS] = {
"",
"abc",
"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
};
const char *sm3_expected[SM3_TESTS] = {
"1ab21d8355cfa17f8e61194831e81a8f22bec8c728fefb747ed035eb5082aa2b",
"66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0",
"debe9ff92275b8a138604889c18e5a4d6fdb70e5387e5765293dcba39c0c5732"
};
char *hex_encode(const uint8_t *, size_t);
char *
hex_encode(const uint8_t *input, size_t len)
{
const char *hex = "0123456789abcdef";
char *out;
size_t i;
if ((out = malloc(len * 2 + 1)) == NULL)
err(1, NULL);
for (i = 0; i < len; i++) {
out[i * 2] = hex[input[i] >> 4];
out[i * 2 + 1] = hex[input[i] & 0x0f];
}
out[len * 2] = '\0';
return out;
}
int
main(int argc, char *argv[])
{
EVP_MD_CTX *ctx;
uint8_t digest[32];
char *hexdigest;
int numerrors = 0, i;
if ((ctx = EVP_MD_CTX_new()) == NULL)
err(1, NULL);
for (i = 0; i != SM3_TESTS; ++i) {
if (!EVP_DigestInit(ctx, EVP_sm3()))
errx(1, "EVP_DigestInit() failed");
if (!EVP_DigestUpdate(ctx, sm3_input[i], strlen(sm3_input[i])))
errx(1, "EVP_DigestInit() failed");
if (!EVP_DigestFinal(ctx, digest, NULL))
errx(1, "EVP_DigestFinal() failed");
hexdigest = hex_encode(digest, sizeof(digest));
if (strcmp(hexdigest, sm3_expected[i]) != 0) {
fprintf(stderr,
"TEST %d failed\nProduced %s\nExpected %s\n",
i, hexdigest, sm3_expected[i]);
numerrors++;
} else
fprintf(stderr, "SM3 test %d ok\n", i);
free(hexdigest);
}
EVP_MD_CTX_free(ctx);
return (numerrors > 0) ? 1 : 0;
}
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