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/*-
* Copyright (c) 2018 Conrad Meyer <cem@FreeBSD.org>
* 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.
*
* 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.
*
* $FreeBSD$
*/
/*
* Derived from blake2b-test.c and blake2s-test.c:
*
* BLAKE2 reference source code package - optimized C implementations
*
* Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
*
* To the extent possible under law, the author(s) have dedicated all copyright
* and related and neighboring rights to this software to the public domain
* worldwide. This software is distributed without any warranty.
*
* You should have received a copy of the CC0 Public Domain Dedication along with
* this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include <sys/param.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <atf-c.h>
/* Be sure to include tree copy rather than system copy. */
#include "cryptodev.h"
#include "freebsd_test_suite/macros.h"
#include <blake2.h>
#include "blake2-kat.h"
static uint8_t key2b[BLAKE2B_KEYBYTES];
static uint8_t key2s[BLAKE2S_KEYBYTES];
static uint8_t katbuf[KAT_LENGTH];
static void
initialize_constant_buffers(void)
{
size_t i;
for (i = 0; i < sizeof(key2b); i++)
key2b[i] = (uint8_t)i;
for (i = 0; i < sizeof(key2s); i++)
key2s[i] = (uint8_t)i;
for (i = 0; i < sizeof(katbuf); i++)
katbuf[i] = (uint8_t)i;
}
static int
get_handle_fd(void)
{
int dc_fd, fd;
dc_fd = open("/dev/crypto", O_RDWR);
/*
* Why do we do this dance instead of just operating on /dev/crypto
* directly? I have no idea.
*/
ATF_REQUIRE(dc_fd >= 0);
ATF_REQUIRE(ioctl(dc_fd, CRIOGET, &fd) != -1);
close(dc_fd);
return (fd);
}
static int
create_session(int fd, int alg, int crid, const void *key, size_t klen)
{
struct session2_op sop;
memset(&sop, 0, sizeof(sop));
sop.mac = alg;
sop.mackey = key;
sop.mackeylen = klen;
sop.crid = crid;
ATF_REQUIRE_MSG(ioctl(fd, CIOCGSESSION2, &sop) >= 0,
"alg %d keylen %zu, errno=%d (%s)", alg, klen, errno,
strerror(errno));
return (sop.ses);
}
static void
do_cryptop(int fd, int ses, size_t inlen, void *out)
{
struct crypt_op cop;
memset(&cop, 0, sizeof(cop));
cop.ses = ses;
cop.len = inlen;
cop.src = katbuf;
cop.mac = out;
ATF_CHECK_MSG(ioctl(fd, CIOCCRYPT, &cop) >= 0, "ioctl(CIOCCRYPT)");
}
static void
test_blake2b_vectors(int crid, const char *modname)
{
uint8_t hash[BLAKE2B_OUTBYTES];
int fd, ses;
size_t i;
ATF_REQUIRE_KERNEL_MODULE(modname);
ATF_REQUIRE_KERNEL_MODULE("cryptodev");
initialize_constant_buffers();
fd = get_handle_fd();
ses = create_session(fd, CRYPTO_BLAKE2B, crid, key2b, sizeof(key2b));
for (i = 0; i < sizeof(katbuf); i++) {
do_cryptop(fd, ses, i, hash);
ATF_CHECK_EQ_MSG(
memcmp(hash, blake2b_keyed_kat[i], sizeof(hash)),
0,
"different at %zu", i);
}
}
static void
test_blake2s_vectors(int crid, const char *modname)
{
uint8_t hash[BLAKE2S_OUTBYTES];
int fd, ses;
size_t i;
ATF_REQUIRE_KERNEL_MODULE(modname);
ATF_REQUIRE_KERNEL_MODULE("cryptodev");
initialize_constant_buffers();
fd = get_handle_fd();
ses = create_session(fd, CRYPTO_BLAKE2S, crid, key2s, sizeof(key2s));
for (i = 0; i < sizeof(katbuf); i++) {
do_cryptop(fd, ses, i, hash);
ATF_CHECK_EQ_MSG(
memcmp(hash, blake2s_keyed_kat[i], sizeof(hash)),
0,
"different at %zu", i);
}
}
ATF_TC_WITHOUT_HEAD(blake2b_vectors);
ATF_TC_BODY(blake2b_vectors, tc)
{
test_blake2b_vectors(CRYPTO_FLAG_SOFTWARE, "nexus/cryptosoft");
}
ATF_TC_WITHOUT_HEAD(blake2s_vectors);
ATF_TC_BODY(blake2s_vectors, tc)
{
test_blake2s_vectors(CRYPTO_FLAG_SOFTWARE, "nexus/cryptosoft");
}
#if defined(__i386__) || defined(__amd64__)
ATF_TC_WITHOUT_HEAD(blake2b_vectors_x86);
ATF_TC_BODY(blake2b_vectors_x86, tc)
{
test_blake2b_vectors(CRYPTO_FLAG_HARDWARE, "nexus/blake2");
}
ATF_TC_WITHOUT_HEAD(blake2s_vectors_x86);
ATF_TC_BODY(blake2s_vectors_x86, tc)
{
test_blake2s_vectors(CRYPTO_FLAG_HARDWARE, "nexus/blake2");
}
#endif
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, blake2b_vectors);
ATF_TP_ADD_TC(tp, blake2s_vectors);
#if defined(__i386__) || defined(__amd64__)
ATF_TP_ADD_TC(tp, blake2b_vectors_x86);
ATF_TP_ADD_TC(tp, blake2s_vectors_x86);
#endif
return (atf_no_error());
}
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