-
Notifications
You must be signed in to change notification settings - Fork 587
/
SystemRandomSeed.c
46 lines (42 loc) · 2 KB
/
SystemRandomSeed.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/* 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 <http://www.gnu.org/licenses/>.
*/
#include "crypto/random/seed/RandomSeed.h"
#include "util/log/Log.h"
#include "crypto/random/seed/RandomSeedProvider.h"
#include "crypto/random/seed/RtlGenRandomSeed.h"
#include "crypto/random/seed/BsdKernArndSysctlRandomSeed.h"
#include "crypto/random/seed/DevUrandomRandomSeed.h"
#include "crypto/random/seed/LinuxRandomUuidSysctlRandomSeed.h"
#include "crypto/random/seed/ProcSysKernelRandomUuidRandomSeed.h"
#include "crypto/random/seed/GetEntropyRandomSeed.h"
static RandomSeed_Provider PROVIDERS[] = { RandomSeedProvider_list() };
#define PROVIDERS_COUNT ((int)(sizeof(PROVIDERS) / sizeof(RandomSeed_Provider)))
struct RandomSeed* SystemRandomSeed_new(RandomSeed_Provider* additionalProviders,
int additionalProviderCount,
struct Log* logger,
struct Allocator* alloc)
{
int providerCount = PROVIDERS_COUNT + additionalProviderCount;
RandomSeed_Provider* allProviders =
Allocator_calloc(alloc, sizeof(RandomSeed_Provider), providerCount+1);
int i = 0;
for (int j = 0; j < additionalProviderCount; j++) {
allProviders[i++] = additionalProviders[j];
}
for (int j = 0; j < PROVIDERS_COUNT; j++) {
allProviders[i++] = PROVIDERS[j];
}
return RandomSeed_new(allProviders, providerCount, logger, alloc);
}