RANDOM_BLOCK = 1 << 1, /* Rather block than return crap randomness (only if the kernel supports that) */
RANDOM_MAY_FAIL = 1 << 2, /* If we can't get any randomness at all, return early with -ENODATA */
RANDOM_ALLOW_RDRAND = 1 << 3, /* Allow usage of the CPU RNG */
+ RANDOM_ALLOW_INSECURE = 1 << 4, /* Allow usage of GRND_INSECURE flag to kernel's getrandom() API */
} RandomFlags;
int genuine_random_bytes(void *p, size_t n, RandomFlags flags); /* returns "genuine" randomness, optionally filled up with pseudo random, if not enough is available */
#define RANDOM_POOL_SIZE_MAX (10U*1024U*1024U)
size_t random_pool_size(void);
+
+int random_write_entropy(int fd, const void *seed, size_t size, bool credit);