void noise_get_heavy(void (*func) (void *, int))
{
HANDLE srch;
WIN32_FIND_DATA finddata;
DWORD pid;
char winpath[MAX_PATH + 3];
BYTE buf[32];
GetWindowsDirectory(winpath, sizeof(winpath));
strcat(winpath, "\\*");
srch = FindFirstFile(winpath, &finddata);
if (srch != INVALID_HANDLE_VALUE) {
do {
func(&finddata, sizeof(finddata));
} while (FindNextFile(srch, &finddata));
FindClose(srch);
}
pid = GetCurrentProcessId();
func(&pid, sizeof(pid));
if (win_read_random(buf, sizeof(buf))) {
func(buf, sizeof(buf));
smemclr(buf, sizeof(buf));
}
read_random_seed(func);
}
void noise_get_heavy(void (*func) (void *, int))
{
HANDLE srch;
WIN32_FIND_DATA finddata;
char winpath[MAX_PATH + 3];
HMODULE mod;
GetWindowsDirectory(winpath, sizeof(winpath));
strcat(winpath, "\\*");
srch = FindFirstFile(winpath, &finddata);
if (srch != INVALID_HANDLE_VALUE) {
do {
func(&finddata, sizeof(finddata));
} while (FindNextFile(srch, &finddata));
FindClose(srch);
}
read_random_seed(func);
gsps = NULL;
mod = GetModuleHandle("KERNEL32");
if (mod) {
gsps = (gsps_t) GetProcAddress(mod, "GetSystemPowerStatus");
}
}
void noise_get_heavy(void (*func) (void *, int))
{
noise_get_light(func);
noise_get_processes(func);
read_random_seed(func);
/* Update the seed immediately, in case another instance uses it. */
random_save_seed();
}
void noise_get_heavy(void (*func) (void *, int))
{
HANDLE srch;
WIN32_FIND_DATA finddata;
DWORD pid;
HCRYPTPROV crypt_provider;
char winpath[MAX_PATH + 3];
GetWindowsDirectory(winpath, sizeof(winpath));
strcat(winpath, "\\*");
srch = FindFirstFile(winpath, &finddata);
if (srch != INVALID_HANDLE_VALUE) {
do {
func(&finddata, sizeof(finddata));
} while (FindNextFile(srch, &finddata));
FindClose(srch);
}
pid = GetCurrentProcessId();
func(&pid, sizeof(pid));
if (!wincrypt_module) {
wincrypt_module = load_system32_dll("advapi32.dll");
GET_WINDOWS_FUNCTION(wincrypt_module, CryptAcquireContextA);
GET_WINDOWS_FUNCTION(wincrypt_module, CryptGenRandom);
GET_WINDOWS_FUNCTION(wincrypt_module, CryptReleaseContext);
}
if (wincrypt_module && p_CryptAcquireContextA &&
p_CryptGenRandom && p_CryptReleaseContext &&
p_CryptAcquireContextA(&crypt_provider, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT)) {
BYTE buf[32];
if (p_CryptGenRandom(crypt_provider, 32, buf)) {
func(buf, sizeof(buf));
}
p_CryptReleaseContext(crypt_provider, 0);
}
read_random_seed(func);
/* Update the seed immediately, in case another instance uses it. */
random_save_seed();
}
void noise_get_heavy(void (*func) (void *, int))
{
HANDLE srch;
WIN32_FIND_DATA finddata;
char winpath[MAX_PATH + 3];
GetWindowsDirectory(winpath, sizeof(winpath));
strcat(winpath, "\\*");
srch = FindFirstFile(winpath, &finddata);
if (srch != INVALID_HANDLE_VALUE) {
do {
func(&finddata, sizeof(finddata));
} while (FindNextFile(srch, &finddata));
FindClose(srch);
}
read_random_seed(func);
/* Update the seed immediately, in case another instance uses it. */
random_save_seed();
}
void noise_get_heavy(void (*func) (void *, int))
{
char buf[512];
FILE *fp;
int ret;
bool got_dev_urandom = false;
if (read_dev_urandom(buf, 32)) {
got_dev_urandom = true;
func(buf, 32);
}
fp = popen("ps -axu 2>/dev/null", "r");
if (fp) {
while ( (ret = fread(buf, 1, sizeof(buf), fp)) > 0)
func(buf, ret);
pclose(fp);
} else if (!got_dev_urandom) {
fprintf(stderr, "popen: %s\n"
"Unable to access fallback entropy source\n", strerror(errno));
exit(1);
}
fp = popen("ls -al /tmp 2>/dev/null", "r");
if (fp) {
while ( (ret = fread(buf, 1, sizeof(buf), fp)) > 0)
func(buf, ret);
pclose(fp);
} else if (!got_dev_urandom) {
fprintf(stderr, "popen: %s\n"
"Unable to access fallback entropy source\n", strerror(errno));
exit(1);
}
read_random_seed(func);
}
