66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "hexdecoct.h"
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#include "random-util.h"
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#include "log.h"
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#include "tests.h"
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static void test_acquire_random_bytes(bool high_quality_required) {
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uint8_t buf[16] = {};
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unsigned i;
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log_info("/* %s */", __func__);
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for (i = 1; i < sizeof buf; i++) {
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assert_se(acquire_random_bytes(buf, i, high_quality_required) == 0);
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if (i + 1 < sizeof buf)
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assert_se(buf[i] == 0);
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hexdump(stdout, buf, i);
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}
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}
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static void test_pseudorandom_bytes(void) {
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uint8_t buf[16] = {};
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unsigned i;
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log_info("/* %s */", __func__);
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for (i = 1; i < sizeof buf; i++) {
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pseudorandom_bytes(buf, i);
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if (i + 1 < sizeof buf)
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assert_se(buf[i] == 0);
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hexdump(stdout, buf, i);
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}
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}
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static void test_rdrand64(void) {
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int r, i;
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for (i = 0; i < 10; i++) {
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uint64_t x = 0;
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r = rdrand64(&x);
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if (r < 0) {
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log_error_errno(r, "RDRAND failed: %m");
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return;
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}
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printf("%" PRIx64 "\n", x);
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}
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}
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int main(int argc, char **argv) {
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test_setup_logging(LOG_DEBUG);
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test_acquire_random_bytes(false);
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test_acquire_random_bytes(true);
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test_pseudorandom_bytes();
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test_rdrand64();
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return 0;
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}
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