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Changes to update Tomato RAF.
[tomato.git]
/
release
/
src
/
router
/
dnscrypt
/
src
/
libnacl
/
crypto_verify
/
32
/
ref
/
verify.c
blob
a0e23afedeba4cdf4aed276cedf4deaf65a78298
1
#include
"crypto_verify.h"
2
3
int
crypto_verify
(
const unsigned char
*
x
,
const unsigned char
*
y
)
4
{
5
unsigned int
differentbits
=
0
;
6
#define F(i) differentbits |= x[i] ^ y[i];
7
F
(
0
)
8
F
(
1
)
9
F
(
2
)
10
F
(
3
)
11
F
(
4
)
12
F
(
5
)
13
F
(
6
)
14
F
(
7
)
15
F
(
8
)
16
F
(
9
)
17
F
(
10
)
18
F
(
11
)
19
F
(
12
)
20
F
(
13
)
21
F
(
14
)
22
F
(
15
)
23
F
(
16
)
24
F
(
17
)
25
F
(
18
)
26
F
(
19
)
27
F
(
20
)
28
F
(
21
)
29
F
(
22
)
30
F
(
23
)
31
F
(
24
)
32
F
(
25
)
33
F
(
26
)
34
F
(
27
)
35
F
(
28
)
36
F
(
29
)
37
F
(
30
)
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F
(
31
)
39
return
(
1
& ((
differentbits
-
1
) >>
8
)) -
1
;
40
}