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Simplify RNG seeding

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This commit is contained in:
Bruce Hill 2025-03-12 19:32:04 -04:00
parent a3c4e0a82d
commit bae83f17cf
1 changed files with 3 additions and 7 deletions
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10
stdlib/stdlib.c
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@ -52,13 +52,9 @@ public void tomo_init(void)
setlocale(LC_ALL, "");
getrandom(TOMO_HASH_KEY, sizeof(TOMO_HASH_KEY), 0);
int rng_fd = open("/dev/urandom", O_RDONLY);
if (rng_fd < 0)
fail("Couldn't read from /dev/urandom");
uint8_t *random_bytes = GC_MALLOC_ATOMIC(40);
if (read(rng_fd, (void*)random_bytes, 40) < 40)
fail("Couldn't read from /dev/urandom");
Array_t rng_seed = {.length=40, .data=random_bytes, .stride=1, .atomic=1};
uint8_t *random_bytes[40] = {};
getrandom(random_bytes, sizeof(random_bytes), 0);
Array_t rng_seed = {.length=sizeof(random_bytes), .data=random_bytes, .stride=1, .atomic=1};
RNG$set_seed(default_rng, rng_seed);
if (register_printf_specifier('k', printf_text, printf_text_size))