6d7c403324
The advantages are that we save a few lines, and that we can override logging using environment variables in more test executables.
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
|
|
#include "hexdecoct.h"
|
|
#include "random-util.h"
|
|
#include "log.h"
|
|
#include "tests.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);
|
|
}
|
|
}
|
|
|
|
static void test_rdrand64(void) {
|
|
int r, i;
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
uint64_t x = 0;
|
|
|
|
r = rdrand64(&x);
|
|
if (r < 0) {
|
|
log_error_errno(r, "RDRAND failed: %m");
|
|
return;
|
|
}
|
|
|
|
printf("%" PRIx64 "\n", x);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
test_setup_logging(LOG_DEBUG);
|
|
|
|
test_acquire_random_bytes(false);
|
|
test_acquire_random_bytes(true);
|
|
|
|
test_pseudorandom_bytes();
|
|
|
|
test_rdrand64();
|
|
|
|
return 0;
|
|
}
|