151 #  error You do not have support for any sources of high quality entropy \
944 ENTROPY_DEBUG(const char *label, unsigned long entropy) {  in ENTROPY_DEBUG()  argument
947             (int)sizeof(entropy) * 2, entropy, (unsigned long)sizeof(entropy));  in ENTROPY_DEBUG()
949   return entropy;  in ENTROPY_DEBUG()
954   unsigned long entropy;  in generate_hash_secret_salt()  local
959   arc4random_buf(&entropy, sizeof(entropy));  in generate_hash_secret_salt()
960   return ENTROPY_DEBUG("arc4random_buf", entropy);  in generate_hash_secret_salt()
962   writeRandomBytes_arc4random((void *)&entropy, sizeof(entropy));  in generate_hash_secret_salt()
963   return ENTROPY_DEBUG("arc4random", entropy);  in generate_hash_secret_salt()
967   if (writeRandomBytes_rand_s((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
968     return ENTROPY_DEBUG("rand_s", entropy);  in generate_hash_secret_salt()
971   if (writeRandomBytes_getrandom_nonblock((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
972     return ENTROPY_DEBUG("getrandom", entropy);  in generate_hash_secret_salt()
976   if (writeRandomBytes_dev_urandom((void *)&entropy, sizeof(entropy))) {  in generate_hash_secret_salt()
977     return ENTROPY_DEBUG("/dev/urandom", entropy);  in generate_hash_secret_salt()
983   entropy = gather_time_entropy() ^ getpid();  in generate_hash_secret_salt()
987     return ENTROPY_DEBUG("fallback(4)", entropy * 2147483647);  in generate_hash_secret_salt()
990                          entropy * (unsigned long)2305843009213693951ULL);  in generate_hash_secret_salt()