blob: 85ffa9b29bbf961bf1f1960a762dd52698329caf (
plain)
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#ifdef __native_client__
# include <irt.h>
# include "core.h"
# include "utils.h"
# include "randombytes.h"
# include "randombytes_nativeclient.h"
static void
randombytes_nativeclient_buf(void * const buf, const size_t size)
{
unsigned char *buf_ = (unsigned char *) buf;
struct nacl_irt_random rand_intf;
size_t readnb = (size_t) 0U;
size_t toread = size;
if (nacl_interface_query(NACL_IRT_RANDOM_v0_1, &rand_intf,
sizeof rand_intf) != sizeof rand_intf) {
sodium_misuse();
}
while (toread > (size_t) 0U) {
if (rand_intf.get_random_bytes(buf_, size, &readnb) != 0 ||
readnb > size) {
sodium_misuse();
}
toread -= readnb;
buf_ += readnb;
}
}
static uint32_t
randombytes_nativeclient_random(void)
{
uint32_t r;
randombytes_nativeclient_buf(&r, sizeof r);
return r;
}
static const char *
randombytes_nativeclient_implementation_name(void)
{
return "nativeclient";
}
struct randombytes_implementation randombytes_nativeclient_implementation = {
SODIUM_C99(.implementation_name =) randombytes_nativeclient_implementation_name,
SODIUM_C99(.random =) randombytes_nativeclient_random,
SODIUM_C99(.stir =) NULL,
SODIUM_C99(.uniform =) NULL,
SODIUM_C99(.buf =) randombytes_nativeclient_buf,
SODIUM_C99(.close =) NULL
};
#endif
|
