/* vim: set expandtab ts=4 sw=4: */ /* * You may redistribute this program and/or modify it under the terms of * the GNU General Public License as published by the Free Software Foundation, * either version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "crypto/random/seed/RtlGenRandomSeed.h" #include "util/Bits.h" #include #include static BOOLEAN (APIENTRY *RtlGenRandom)(void*, ULONG) = 0; static int get(struct RandomSeed* rand, uint64_t buff[8]) { if (!RtlGenRandom) { return -1; } Bits_memset(buff, 0, 64); int ret = RtlGenRandom(buff, 64); if (!ret || Bits_isZero(buff, 64)) { return -1; } return 0; } static void init() { HMODULE hLib = LoadLibrary("advapi32.dll"); RtlGenRandom = (BOOLEAN (APIENTRY *)(void*,ULONG))GetProcAddress(hLib,"SystemFunction036"); } struct RandomSeed* RtlGenRandomSeed_new(struct Allocator* alloc) { init(); return Allocator_clone(alloc, (&(struct RandomSeed) { .get = get, .name = "RtlGenRandom() (Windows)" })); }