diff options
| -rw-r--r-- | source/kit/secure_random.c | 7 | ||||
| -rw-r--r-- | source/tests/secure_random.test.c | 12 |
2 files changed, 6 insertions, 13 deletions
diff --git a/source/kit/secure_random.c b/source/kit/secure_random.c index 20b3bf8..d51b4ec 100644 --- a/source/kit/secure_random.c +++ b/source/kit/secure_random.c @@ -49,17 +49,18 @@ static void secure_random_fallback(ptrdiff_t size, void *data) { * seed the pseudo random number generator. */ + static int8_t first_run = 1; static uint64_t n = 0; static uint64_t time_sec = 0; static uint64_t time_nsec = 0; struct timespec t; - ptrdiff_t i; timespec_get(&t, TIME_UTC); kit_mt64_state_t state; - if (time_sec == 0 && time_nsec == 0) { + if (first_run) { + first_run = 0; uint64_t seed[] = { n, get_available_memory(), (uint64_t) t.tv_sec, (uint64_t) t.tv_nsec }; kit_mt64_init_array(&state, sizeof seed / sizeof *seed, seed); @@ -79,7 +80,7 @@ static void secure_random_fallback(ptrdiff_t size, void *data) { time_sec = (uint64_t) t.tv_sec; time_nsec = (uint64_t) t.tv_nsec; - for (i = 0; i < size; i++) + for (ptrdiff_t i = 0; i < size; i++) ((uint8_t *) data)[i] = (uint8_t) (kit_mt64_generate(&state) >> 56); diff --git a/source/tests/secure_random.test.c b/source/tests/secure_random.test.c index 3e8fd9e..0f25b47 100644 --- a/source/tests/secure_random.test.c +++ b/source/tests/secure_random.test.c @@ -4,8 +4,6 @@ #define KIT_TEST_FILE secure_random #include "../kit_test/test.h" -#include <stdio.h> - TEST("secure random") { int v[20]; memset(v, 0, sizeof v); @@ -15,16 +13,10 @@ TEST("secure random") { int repeats = 0; - printf(" %d \n", v[0]); - for (int i = 1; i < sizeof v / sizeof *v; i++) { - printf(" %d", v[i]); + for (int i = 1; i < sizeof v / sizeof *v; i++) for (int j = 0; j < i; j++) - if (v[i] == v[j]) { - printf(" - REPEAT"); + if (v[i] == v[j]) repeats++; - } - printf(" \n"); - } REQUIRE_EQ(repeats, 0); } |