81d313a6ff
Commit 933f9caee changed the returned result of siphash24_finalize() from
little-endian to native. Follow suit in test-siphash24 and drop the endianess
conversion there as well, so that this succeeds on big-endian machines again.
Fixes #1946.
86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2015 Tom Gundersen
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include "siphash24.h"
|
|
#include "util.h"
|
|
|
|
#define ITERATIONS 10000000ULL
|
|
|
|
static int do_test(const uint8_t *in, size_t len, const uint8_t *key) {
|
|
struct siphash state = {};
|
|
uint64_t out = 0;
|
|
unsigned i, j;
|
|
|
|
out = siphash24(in, len, key);
|
|
assert_se(out == 0xa129ca6149be45e5);
|
|
|
|
/* verify the internal state as given in the above paper */
|
|
siphash24_init(&state, key);
|
|
assert_se(state.v0 == 0x7469686173716475);
|
|
assert_se(state.v1 == 0x6b617f6d656e6665);
|
|
assert_se(state.v2 == 0x6b7f62616d677361);
|
|
assert_se(state.v3 == 0x7b6b696e727e6c7b);
|
|
siphash24_compress(in, len, &state);
|
|
assert_se(state.v0 == 0x4a017198de0a59e0);
|
|
assert_se(state.v1 == 0x0d52f6f62a4f59a4);
|
|
assert_se(state.v2 == 0x634cb3577b01fd3d);
|
|
assert_se(state.v3 == 0xa5224d6f55c7d9c8);
|
|
out = siphash24_finalize(&state);
|
|
assert_se(out == 0xa129ca6149be45e5);
|
|
assert_se(state.v0 == 0xf6bcd53893fecff1);
|
|
assert_se(state.v1 == 0x54b9964c7ea0d937);
|
|
assert_se(state.v2 == 0x1b38329c099bb55a);
|
|
assert_se(state.v3 == 0x1814bb89ad7be679);
|
|
|
|
/* verify that decomposing the input in three chunks gives the
|
|
same result */
|
|
for (i = 0; i < len; i++) {
|
|
for (j = i; j < len; j++) {
|
|
siphash24_init(&state, key);
|
|
siphash24_compress(in, i, &state);
|
|
siphash24_compress(&in[i], j - i, &state);
|
|
siphash24_compress(&in[j], len - j, &state);
|
|
out = siphash24_finalize(&state);
|
|
assert_se(out == 0xa129ca6149be45e5);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* see https://131002.net/siphash/siphash.pdf, Appendix A */
|
|
int main(int argc, char *argv[]) {
|
|
const uint8_t in[15] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e };
|
|
const uint8_t key[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f};
|
|
uint8_t in_buf[20];
|
|
|
|
/* Test with same input but different alignments. */
|
|
memcpy(in_buf, in, sizeof(in));
|
|
do_test(in_buf, sizeof(in), key);
|
|
memcpy(in_buf + 1, in, sizeof(in));
|
|
do_test(in_buf + 1, sizeof(in), key);
|
|
memcpy(in_buf + 2, in, sizeof(in));
|
|
do_test(in_buf + 2, sizeof(in), key);
|
|
memcpy(in_buf + 4, in, sizeof(in));
|
|
do_test(in_buf + 4, sizeof(in), key);
|
|
}
|