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authorSven Eden <yamakuzure@gmx.net>2017-07-25 08:32:29 +0200
committerSven Eden <yamakuzure@gmx.net>2017-07-25 11:43:43 +0200
commitec82d020534270d1979da2d0b27f84e1846b2851 (patch)
tree3bc1c9d65cdbfff9ed6d208e5ffe548baff56c3d /src/test/test-random-util.c
parentf6db7e82993749f55980c03c39c19b29c74e30b7 (diff)
Prep v234: Update root build files to upstream.
Diffstat (limited to 'src/test/test-random-util.c')
-rw-r--r--src/test/test-random-util.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/test/test-random-util.c b/src/test/test-random-util.c
new file mode 100644
index 000000000..50f4da270
--- /dev/null
+++ b/src/test/test-random-util.c
@@ -0,0 +1,65 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2017 Zbigniew Jędrzejewski-Szmek
+
+ 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 "hexdecoct.h"
+#include "random-util.h"
+#include "log.h"
+
+static void test_acquire_random_bytes(bool high_quality_required) {
+ uint8_t buf[16] = {};
+ unsigned i;
+
+ log_info("/* %s */", __func__);
+
+ for (i = 1; i < sizeof buf; i++) {
+ assert_se(acquire_random_bytes(buf, i, high_quality_required) == 0);
+ if (i + 1 < sizeof buf)
+ assert_se(buf[i] == 0);
+
+ hexdump(stdout, buf, i);
+ }
+}
+
+static void test_pseudorandom_bytes(void) {
+ uint8_t buf[16] = {};
+ unsigned i;
+
+ log_info("/* %s */", __func__);
+
+ for (i = 1; i < sizeof buf; i++) {
+ pseudorandom_bytes(buf, i);
+ if (i + 1 < sizeof buf)
+ assert_se(buf[i] == 0);
+
+ hexdump(stdout, buf, i);
+ }
+}
+
+int main(int argc, char **argv) {
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
+ test_acquire_random_bytes(false);
+ test_acquire_random_bytes(true);
+
+ test_pseudorandom_bytes();
+
+ return 0;
+}