141         int num = getrandom(buf, buflen, 0);  in li_getentropy()
145         int num = (int)syscall(SYS_getrandom, buf, buflen, 0);  in li_getentropy()
147         if (num == (int)buflen) return 0;  in li_getentropy()
148         if (num < 0)            return num; /* -1 */  in li_getentropy()
159 static int li_rand_device_bytes (unsigned char *buf, int num)  in li_rand_device_bytes()  argument
174     if (0 == li_getentropy(buf, (size_t)num)) return 1;  in li_rand_device_bytes()
184                 && entropy >= num*8)  in li_rand_device_bytes()
186                 rd = read(fd, buf, (size_t)num);  in li_rand_device_bytes()
188             if (rd == num) {  in li_rand_device_bytes()
437 void li_rand_pseudo_bytes (unsigned char *buf, int num)  in li_rand_pseudo_bytes()  argument
440     if (0 == gnutls_rnd(GNUTLS_RND_NONCE, buf, (size_t)num)) return;  in li_rand_pseudo_bytes()
444     if (SECSuccess == PK11_GenerateRandom(buf, num)) return;  in li_rand_pseudo_bytes()
448     if (0 == mbedtls_ctr_drbg_random(&ctr_drbg, buf, (size_t)num)) return;  in li_rand_pseudo_bytes()
453     if (0 == wc_RNG_GenerateBlock(&wolf_globalRNG, (byte *)buf, (word32)num))  in li_rand_pseudo_bytes()
456     for (int i = 0; i < num; ++i)  in li_rand_pseudo_bytes()
460 int li_rand_bytes (unsigned char *buf, int num)  in li_rand_bytes()  argument
463     if (0 == gnutls_rnd(GNUTLS_RND_RANDOM, buf, (size_t)num)) return 1;  in li_rand_bytes()
467     if (SECSuccess == PK11_GenerateRandom(buf, num)) return 1;  in li_rand_bytes()
479         nettle_yarrow256_random(&yarrow256_ctx, (size_t)num, (uint8_t *)buf);  in li_rand_bytes()
485     int rc = RAND_bytes(buf, num);  in li_rand_bytes()
491     if (0 == wc_RNG_GenerateBlock(&wolf_globalRNG, (byte *)buf, (word32)num)) {  in li_rand_bytes()
498     if (num <= MBEDTLS_ENTROPY_BLOCK_SIZE  in li_rand_bytes()
499         && 0 == mbedtls_entropy_func(&entropy, buf, (size_t)num)) {  in li_rand_bytes()
504     if (1 == li_rand_device_bytes(buf, num)) {  in li_rand_bytes()
509         li_rand_pseudo_bytes(buf, num);  in li_rand_bytes()