128 #  error You do not have support for any sources of high quality entropy \
893 ENTROPY_DEBUG(const char *label, unsigned long entropy) {  in ENTROPY_DEBUG()  argument
896             (int)sizeof(entropy) * 2, entropy, (unsigned long)sizeof(entropy));  in ENTROPY_DEBUG()
898   return entropy;  in ENTROPY_DEBUG()
903   unsigned long entropy;  in generate_hash_secret_salt()  local
908   arc4random_buf(&entropy, sizeof(entropy));  in generate_hash_secret_salt()
909   return ENTROPY_DEBUG("arc4random_buf", entropy);  in generate_hash_secret_salt()
911   writeRandomBytes_arc4random((void *)&entropy, sizeof(entropy));  in generate_hash_secret_salt()
912   return ENTROPY_DEBUG("arc4random", entropy);  in generate_hash_secret_salt()
916   if (writeRandomBytes_rand_s((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
917     return ENTROPY_DEBUG("rand_s", entropy);  in generate_hash_secret_salt()
920   if (writeRandomBytes_getrandom_nonblock((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
921     return ENTROPY_DEBUG("getrandom", entropy);  in generate_hash_secret_salt()
925   if (writeRandomBytes_dev_urandom((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
926     return ENTROPY_DEBUG("/dev/urandom", entropy);  in generate_hash_secret_salt()
932   entropy = gather_time_entropy() ^ getpid();  in generate_hash_secret_salt()
936     return ENTROPY_DEBUG("fallback(4)", entropy * 2147483647);  in generate_hash_secret_salt()
939                          entropy * (unsigned long)2305843009213693951ULL);  in generate_hash_secret_salt()