File: uxutils.c

package info (click to toggle)
putty 0.74-1%2Bdeb11u2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 13,020 kB
  • sloc: ansic: 114,140; python: 4,372; perl: 3,511; sh: 1,563; makefile: 167
file content (60 lines) | stat: -rw-r--r-- 1,035 bytes parent folder | download | duplicates (2)
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
#include "putty.h"
#include "ssh.h"

#if defined __linux__ && (defined __arm__ || defined __aarch64__) && \
    HAVE_SYS_AUXV_H && HAVE_ASM_HWCAP_H

#include <sys/auxv.h>
#include <asm/hwcap.h>

bool platform_aes_hw_available(void)
{
#if defined HWCAP_AES
    return getauxval(AT_HWCAP) & HWCAP_AES;
#elif defined HWCAP2_AES
    return getauxval(AT_HWCAP2) & HWCAP2_AES;
#else
    return false;
#endif
}

bool platform_sha256_hw_available(void)
{
#if defined HWCAP_SHA2
    return getauxval(AT_HWCAP) & HWCAP_SHA2;
#elif defined HWCAP2_SHA2
    return getauxval(AT_HWCAP2) & HWCAP2_SHA2;
#else
    return false;
#endif
}

bool platform_sha1_hw_available(void)
{
#if defined HWCAP_SHA1
    return getauxval(AT_HWCAP) & HWCAP_SHA1;
#elif defined HWCAP2_SHA1
    return getauxval(AT_HWCAP2) & HWCAP2_SHA1;
#else
    return false;
#endif
}

#else

bool platform_aes_hw_available(void)
{
    return false;
}

bool platform_sha256_hw_available(void)
{
    return false;
}

bool platform_sha1_hw_available(void)
{
    return false;
}

#endif