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
62
63
64
65
66
67
|
/*
* Copyright (c) 2013, Alexey Degtyarev <alexey@renatasystems.org>.
* All rights reserved.
*
* Portable and simple (thus sometimes slow) implementation of core functions.
*
* $Id$
*/
#ifdef __GOST3411_HAS_SSE2__
#error "portable implementation disabled in config.h"
#endif
#ifdef __GOST3411_HAS_MMX__
#error "portable implementation disabled in config.h"
#endif
#define X(x, y, z) { \
z->QWORD[0] = x->QWORD[0] ^ y->QWORD[0]; \
z->QWORD[1] = x->QWORD[1] ^ y->QWORD[1]; \
z->QWORD[2] = x->QWORD[2] ^ y->QWORD[2]; \
z->QWORD[3] = x->QWORD[3] ^ y->QWORD[3]; \
z->QWORD[4] = x->QWORD[4] ^ y->QWORD[4]; \
z->QWORD[5] = x->QWORD[5] ^ y->QWORD[5]; \
z->QWORD[6] = x->QWORD[6] ^ y->QWORD[6]; \
z->QWORD[7] = x->QWORD[7] ^ y->QWORD[7]; \
}
#ifndef __GOST3411_BIG_ENDIAN__
#define __XLPS_FOR for (_i = 0; _i <= 7; _i++)
#define _datai _i
#else
#define __XLPS_FOR for (_i = 7; _i >= 0; _i--)
#define _datai 7 - _i
#endif
#define XLPS(x, y, data) { \
register unsigned long long r0, r1, r2, r3, r4, r5, r6, r7; \
int _i; \
\
r0 = x->QWORD[0] ^ y->QWORD[0]; \
r1 = x->QWORD[1] ^ y->QWORD[1]; \
r2 = x->QWORD[2] ^ y->QWORD[2]; \
r3 = x->QWORD[3] ^ y->QWORD[3]; \
r4 = x->QWORD[4] ^ y->QWORD[4]; \
r5 = x->QWORD[5] ^ y->QWORD[5]; \
r6 = x->QWORD[6] ^ y->QWORD[6]; \
r7 = x->QWORD[7] ^ y->QWORD[7]; \
\
\
__XLPS_FOR \
{\
data->QWORD[_datai] = Ax[0][(r0 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[1][(r1 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[2][(r2 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[3][(r3 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[4][(r4 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[5][(r5 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[6][(r6 >> (_i << 3)) & 0xFF]; \
data->QWORD[_datai] ^= Ax[7][(r7 >> (_i << 3)) & 0xFF]; \
}\
}
#define ROUND(i, Ki, data) { \
XLPS(Ki, (&C[i]), Ki); \
XLPS(Ki, data, data); \
}
|
