blob: 3df12a0234221501d50f4297656cb44743f990c8 (
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
|
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
/* The hexconvert function is only used to test reference vectors against
* known answers. The contents of this file are therefore a component
* to assist with test harnesses only
*/
int libscrypt_hexconvert(uint8_t *buf, size_t s, char *outbuf, size_t obs)
{
size_t i;
int len = 0;
if (!buf || s < 1 || obs < (s * 2 + 1))
return 0;
memset(outbuf, 0, obs);
for(i=0; i<=(s-1); i++)
{
/* snprintf(outbuf, s,"%s...", outbuf....) has undefined results
* and can't be used. Using offests like this makes snprintf
* nontrivial. we therefore have use inescure sprintf() and
* lengths checked elsewhere (start of function) */
/*@ -bufferoverflowhigh @*/
len += sprintf(outbuf+len, "%02x", (unsigned int) buf[i]);
}
return 1;
}
|
