mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-11-15 02:05:40 +00:00
273 lines
6.9 KiB
C
273 lines
6.9 KiB
C
/*-
|
||
* Copyright (c) 2012 The University of Oslo
|
||
* Copyright (c) 2012-2014 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.
|
||
*
|
||
* Author: Dag-Erling Smørgrav <des@des.no>
|
||
* Sponsor: the University of Oslo
|
||
*
|
||
* $Cryb$
|
||
*/
|
||
|
||
#include "cryb/impl.h"
|
||
|
||
#include <err.h>
|
||
#include <stdint.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <time.h>
|
||
|
||
#include "t.h"
|
||
|
||
#if WITH_OPENSSL
|
||
|
||
#include <openssl/md5.h>
|
||
|
||
#define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
|
||
|
||
static void
|
||
t_md5_complete(const void *msg, size_t msglen, uint8_t *digest)
|
||
{
|
||
MD5_CTX ctx;
|
||
|
||
MD5_Init(&ctx);
|
||
MD5_Update(&ctx, msg, msglen);
|
||
MD5_Final(digest, &ctx);
|
||
}
|
||
|
||
#elif WITH_RSAREF
|
||
|
||
#include <rsaref.h>
|
||
|
||
#define MD5_DIGEST_LEN 16
|
||
|
||
static void
|
||
t_md5_complete(const void *msg, size_t msglen, uint8_t *digest)
|
||
{
|
||
MD5_CTX ctx;
|
||
|
||
MD5Init(&ctx);
|
||
MD5Update(&ctx, (unsigned char *)(uintptr_t)msg, msglen);
|
||
MD5Final(digest, &ctx);
|
||
}
|
||
|
||
#else
|
||
|
||
#include <cryb/md5.h>
|
||
|
||
#define t_md5_complete(msg, msglen, digest) \
|
||
md5_complete(msg, msglen, digest)
|
||
|
||
#endif
|
||
|
||
/*
|
||
* Test vectors from RFC 1321
|
||
*/
|
||
static struct t_vector {
|
||
const char *msg;
|
||
const uint8_t digest[MD5_DIGEST_LEN];
|
||
} t_md5_vectors[] = {
|
||
{
|
||
"",
|
||
{
|
||
0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
|
||
0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
|
||
}
|
||
},
|
||
{
|
||
"a",
|
||
{
|
||
0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8,
|
||
0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61,
|
||
}
|
||
},
|
||
{
|
||
"abc",
|
||
{
|
||
0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
|
||
0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72,
|
||
}
|
||
},
|
||
{
|
||
"message digest",
|
||
{
|
||
0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d,
|
||
0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0,
|
||
}
|
||
},
|
||
{
|
||
"abcdefghijklmnopqrstuvwxyz",
|
||
{
|
||
0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00,
|
||
0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b,
|
||
}
|
||
},
|
||
{
|
||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||
"abcdefghijklmnopqrstuvwxyz"
|
||
"0123456789",
|
||
{
|
||
0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5,
|
||
0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f,
|
||
}
|
||
},
|
||
{
|
||
"1234567890123456789012345678901234567890"
|
||
"1234567890123456789012345678901234567890",
|
||
{
|
||
0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55,
|
||
0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a,
|
||
}
|
||
},
|
||
};
|
||
|
||
/*
|
||
* Unit test: compute the MD5 sum of the specified string and compare it
|
||
* to the expected result.
|
||
*/
|
||
static int
|
||
t_md5_vector(char **desc CRYB_UNUSED, void *arg)
|
||
{
|
||
struct t_vector *vector = (struct t_vector *)arg;
|
||
uint8_t digest[MD5_DIGEST_LEN];
|
||
|
||
t_md5_complete(vector->msg, strlen(vector->msg), digest);
|
||
if (memcmp(digest, vector->digest, MD5_DIGEST_LEN) != 0) {
|
||
t_verbose("expected ");
|
||
t_verbose_hex(vector->digest, MD5_DIGEST_LEN);
|
||
t_verbose("\n");
|
||
t_verbose("got ");
|
||
t_verbose_hex(digest, MD5_DIGEST_LEN);
|
||
t_verbose("\n");
|
||
return (0);
|
||
}
|
||
return (1);
|
||
}
|
||
|
||
#ifdef BENCHMARKS
|
||
/*
|
||
* Performance test: measure the time spent computing the MD5 sum of a
|
||
* message of the specified length.
|
||
*/
|
||
#define T_PERF_ITERATIONS 1000
|
||
static int
|
||
t_md5_perf(char **desc, void *arg)
|
||
{
|
||
struct timespec ts, te;
|
||
unsigned long ns;
|
||
uint8_t digest[MD5_DIGEST_LEN];
|
||
char *msg, *comment;
|
||
size_t msglen = *(size_t *)arg;
|
||
|
||
if ((msg = calloc(1, msglen)) == NULL)
|
||
err(1, "calloc()");
|
||
clock_gettime(CLOCK_MONOTONIC_PRECISE, &ts);
|
||
for (int i = 0; i < T_PERF_ITERATIONS; ++i)
|
||
t_md5_complete(msg, msglen, digest);
|
||
clock_gettime(CLOCK_MONOTONIC_PRECISE, &te);
|
||
free(msg);
|
||
ns = te.tv_sec * 1000000000LU + te.tv_nsec;
|
||
ns -= ts.tv_sec * 1000000000LU + ts.tv_nsec;
|
||
asprintf(&comment, "%zu bytes: %d iterations in %'lu ns",
|
||
msglen, T_PERF_ITERATIONS, ns);
|
||
if (comment == NULL)
|
||
err(1, "asprintf()");
|
||
*desc = comment;
|
||
return (1);
|
||
}
|
||
#endif
|
||
|
||
|
||
#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
|
||
/*
|
||
* Various corner cases and error conditions
|
||
*/
|
||
static int
|
||
t_md5_short_updates(char **desc CRYB_UNUSED, void *arg)
|
||
{
|
||
struct t_vector *vector = (struct t_vector *)arg;
|
||
uint8_t digest[MD5_DIGEST_LEN];
|
||
md5_ctx ctx;
|
||
int i, len;
|
||
|
||
md5_init(&ctx);
|
||
len = strlen(vector->msg);
|
||
for (i = 0; i + 5 < len; i += 5)
|
||
md5_update(&ctx, vector->msg + i, 5);
|
||
md5_update(&ctx, vector->msg + i, len - i);
|
||
md5_final(&ctx, digest);
|
||
return (memcmp(digest, vector->digest, MD5_DIGEST_LEN) == 0);
|
||
}
|
||
#endif
|
||
|
||
|
||
/***************************************************************************
|
||
* Boilerplate
|
||
*/
|
||
|
||
int
|
||
t_prepare(int argc, char *argv[])
|
||
{
|
||
int i, n;
|
||
|
||
(void)argc;
|
||
(void)argv;
|
||
n = sizeof t_md5_vectors / sizeof t_md5_vectors[0];
|
||
for (i = 0; i < n; ++i)
|
||
t_add_test(t_md5_vector, &t_md5_vectors[i],
|
||
"RFC 1321 test vector %d", i + 1);
|
||
#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
|
||
/*
|
||
* Run test vector 7 (which is 80 characters long) 5 characters at
|
||
* a time. This tests a) appending data to an underfull block and
|
||
* b) appending more data to an underfull block than it has room
|
||
* for (since 64 % 5 != 0). Test vector 7 already exercised the
|
||
* code path for computing a block directly from source (without
|
||
* copying it in), and all the test vectors except vector 1
|
||
* exercised the general case of copying a small amount of data in
|
||
* without crossing the block boundary.
|
||
*/
|
||
t_add_test(t_md5_short_updates, &t_md5_vectors[6],
|
||
"multiple short updates");
|
||
#endif
|
||
#ifdef BENCHMARKS
|
||
static size_t one = 1, thousand = 1000, million = 1000000;
|
||
t_add_test(t_md5_perf, &one,
|
||
"performance test (1 byte)");
|
||
t_add_test(t_md5_perf, &thousand,
|
||
"performance test (1,000 bytes)");
|
||
t_add_test(t_md5_perf, &million,
|
||
"performance test (1,000,000 bytes)");
|
||
#endif
|
||
return (0);
|
||
}
|
||
|
||
void
|
||
t_cleanup(void)
|
||
{
|
||
}
|