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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
BLAKE2 reference source code package - optimized C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
*/
#pragma once
#ifndef __BLAKE2B_ROUND_H__
#define __BLAKE2B_ROUND_H__
#define LOADU(p) _mm_loadu_si128( (const __m128i *)(p) )
#define STOREU(p,r) _mm_storeu_si128((__m128i *)(p), r)
#define TOF(reg) _mm_castsi128_ps((reg))
#define TOI(reg) _mm_castps_si128((reg))
#define LIKELY(x) __builtin_expect((x),1)
/* Microarchitecture-specific macros */
#ifndef HAVE_XOP
#ifdef HAVE_SSSE3
#define _mm_roti_epi64(x, c) \
(-(c) == 32) ? _mm_shuffle_epi32((x), _MM_SHUFFLE(2,3,0,1)) \
: (-(c) == 24) ? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) ? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) ? _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_slli_epi64((x), 64-(-(c))))
#else
#define _mm_roti_epi64(r, c) _mm_xor_si128(_mm_srli_epi64( (r), -(c) ),_mm_slli_epi64( (r), 64-(-(c)) ))
#endif
#else
/* ... */
#endif
#define G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
\
row4l = _mm_xor_si128(row4l, row1l); \
row4h = _mm_xor_si128(row4h, row1h); \
\
row4l = _mm_roti_epi64(row4l, -32); \
row4h = _mm_roti_epi64(row4h, -32); \
\
row3l = _mm_add_epi64(row3l, row4l); \
row3h = _mm_add_epi64(row3h, row4h); \
\
row2l = _mm_xor_si128(row2l, row3l); \
row2h = _mm_xor_si128(row2h, row3h); \
\
row2l = _mm_roti_epi64(row2l, -24); \
row2h = _mm_roti_epi64(row2h, -24); \
#define G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
\
row4l = _mm_xor_si128(row4l, row1l); \
row4h = _mm_xor_si128(row4h, row1h); \
\
row4l = _mm_roti_epi64(row4l, -16); \
row4h = _mm_roti_epi64(row4h, -16); \
\
row3l = _mm_add_epi64(row3l, row4l); \
row3h = _mm_add_epi64(row3h, row4h); \
\
row2l = _mm_xor_si128(row2l, row3l); \
row2h = _mm_xor_si128(row2h, row3h); \
\
row2l = _mm_roti_epi64(row2l, -63); \
row2h = _mm_roti_epi64(row2h, -63); \
#if defined(HAVE_SSSE3)
#define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = _mm_alignr_epi8(row2h, row2l, 8); \
t1 = _mm_alignr_epi8(row2l, row2h, 8); \
row2l = t0; \
row2h = t1; \
\
t0 = row3l; \
row3l = row3h; \
row3h = t0; \
\
t0 = _mm_alignr_epi8(row4h, row4l, 8); \
t1 = _mm_alignr_epi8(row4l, row4h, 8); \
row4l = t1; \
row4h = t0;
#define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = _mm_alignr_epi8(row2l, row2h, 8); \
t1 = _mm_alignr_epi8(row2h, row2l, 8); \
row2l = t0; \
row2h = t1; \
\
t0 = row3l; \
row3l = row3h; \
row3h = t0; \
\
t0 = _mm_alignr_epi8(row4l, row4h, 8); \
t1 = _mm_alignr_epi8(row4h, row4l, 8); \
row4l = t1; \
row4h = t0;
#else
#define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = row4l;\
t1 = row2l;\
row4l = row3l;\
row3l = row3h;\
row3h = row4l;\
row4l = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t0, t0)); \
row4h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row4h, row4h)); \
row2l = _mm_unpackhi_epi64(row2l, _mm_unpacklo_epi64(row2h, row2h)); \
row2h = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(t1, t1))
#define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = row3l;\
row3l = row3h;\
row3h = t0;\
t0 = row2l;\
t1 = row4l;\
row2l = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(row2l, row2l)); \
row2h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row2h, row2h)); \
row4l = _mm_unpackhi_epi64(row4l, _mm_unpacklo_epi64(row4h, row4h)); \
row4h = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t1, t1))
#endif
#if defined(HAVE_SSE41)
#include "blake2b-load-sse41.h"
#else
#include "blake2b-load-sse2.h"
#endif
#define ROUND(r) \
LOAD_MSG_ ##r ##_1(b0, b1); \
G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
LOAD_MSG_ ##r ##_2(b0, b1); \
G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
LOAD_MSG_ ##r ##_3(b0, b1); \
G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
LOAD_MSG_ ##r ##_4(b0, b1); \
G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h);
#endif
|
