From a245d90a898c2e1a77258aeb4b8a189ec771e804 Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Sat, 3 Oct 2015 18:41:02 +0200 Subject: test: siphash24 - add regression test --- src/test/test-siphash24.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/test/test-siphash24.c (limited to 'src/test/test-siphash24.c') diff --git a/src/test/test-siphash24.c b/src/test/test-siphash24.c new file mode 100644 index 0000000000..ec9f64686f --- /dev/null +++ b/src/test/test-siphash24.c @@ -0,0 +1,47 @@ +/*-*- 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 . +***/ + +#include "util.h" +#include "siphash24.h" + +#define ITERATIONS 10000000ULL + +/* 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}; + uint64_t out = 0; + unsigned k; + usec_t ts; + + siphash24((uint8_t *)&out, in, sizeof(in), key); + + assert_se(out == 0xa129ca6149be45e5ULL); + + ts = now(CLOCK_MONOTONIC); + for (k = 0; k < ITERATIONS; k++) + siphash24((uint8_t *)&out, in, sizeof(in), key); + ts = now(CLOCK_MONOTONIC) - ts; + + log_info("%llu iterations per second", (ITERATIONS * USEC_PER_SEC) / ts); +} -- cgit v1.2.3-54-g00ecf