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Issue 26798: add BLAKE2 to hashlib
Patch Set: Created 3 years, 2 months ago
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1 /*
2 BLAKE2 reference source code package - optimized C implementations
3
4 Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
5 terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
6 your option. The terms of these licenses can be found at:
7
8 - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
9 - OpenSSL license : https://www.openssl.org/source/license.html
10 - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
11
12 More information about the BLAKE2 hash function can be found at
13 https://blake2.net.
14 */
15 #pragma once
16 #ifndef __BLAKE2B_ROUND_H__
17 #define __BLAKE2B_ROUND_H__
18
19 #define LOADU(p) _mm_loadu_si128( (const __m128i *)(p) )
20 #define STOREU(p,r) _mm_storeu_si128((__m128i *)(p), r)
21
22 #define TOF(reg) _mm_castsi128_ps((reg))
23 #define TOI(reg) _mm_castps_si128((reg))
24
25 #define LIKELY(x) __builtin_expect((x),1)
26
27
28 /* Microarchitecture-specific macros */
29 #ifndef HAVE_XOP
30 #ifdef HAVE_SSSE3
31 #define _mm_roti_epi64(x, c) \
32 (-(c) == 32) ? _mm_shuffle_epi32((x), _MM_SHUFFLE(2,3,0,1)) \
33 : (-(c) == 24) ? _mm_shuffle_epi8((x), r24) \
34 : (-(c) == 16) ? _mm_shuffle_epi8((x), r16) \
35 : (-(c) == 63) ? _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_add_epi64((x), (x))) \
36 : _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_slli_epi64((x), 64-(-(c))))
37 #else
38 #define _mm_roti_epi64(r, c) _mm_xor_si128(_mm_srli_epi64( (r), -(c) ),_mm_slli_ epi64( (r), 64-(-(c)) ))
39 #endif
40 #else
41 /* ... */
42 #endif
43
44
45
46 #define G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
47 row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
48 row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
49 \
50 row4l = _mm_xor_si128(row4l, row1l); \
51 row4h = _mm_xor_si128(row4h, row1h); \
52 \
53 row4l = _mm_roti_epi64(row4l, -32); \
54 row4h = _mm_roti_epi64(row4h, -32); \
55 \
56 row3l = _mm_add_epi64(row3l, row4l); \
57 row3h = _mm_add_epi64(row3h, row4h); \
58 \
59 row2l = _mm_xor_si128(row2l, row3l); \
60 row2h = _mm_xor_si128(row2h, row3h); \
61 \
62 row2l = _mm_roti_epi64(row2l, -24); \
63 row2h = _mm_roti_epi64(row2h, -24); \
64
65 #define G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
66 row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
67 row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
68 \
69 row4l = _mm_xor_si128(row4l, row1l); \
70 row4h = _mm_xor_si128(row4h, row1h); \
71 \
72 row4l = _mm_roti_epi64(row4l, -16); \
73 row4h = _mm_roti_epi64(row4h, -16); \
74 \
75 row3l = _mm_add_epi64(row3l, row4l); \
76 row3h = _mm_add_epi64(row3h, row4h); \
77 \
78 row2l = _mm_xor_si128(row2l, row3l); \
79 row2h = _mm_xor_si128(row2h, row3h); \
80 \
81 row2l = _mm_roti_epi64(row2l, -63); \
82 row2h = _mm_roti_epi64(row2h, -63); \
83
84 #if defined(HAVE_SSSE3)
85 #define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
86 t0 = _mm_alignr_epi8(row2h, row2l, 8); \
87 t1 = _mm_alignr_epi8(row2l, row2h, 8); \
88 row2l = t0; \
89 row2h = t1; \
90 \
91 t0 = row3l; \
92 row3l = row3h; \
93 row3h = t0; \
94 \
95 t0 = _mm_alignr_epi8(row4h, row4l, 8); \
96 t1 = _mm_alignr_epi8(row4l, row4h, 8); \
97 row4l = t1; \
98 row4h = t0;
99
100 #define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
101 t0 = _mm_alignr_epi8(row2l, row2h, 8); \
102 t1 = _mm_alignr_epi8(row2h, row2l, 8); \
103 row2l = t0; \
104 row2h = t1; \
105 \
106 t0 = row3l; \
107 row3l = row3h; \
108 row3h = t0; \
109 \
110 t0 = _mm_alignr_epi8(row4l, row4h, 8); \
111 t1 = _mm_alignr_epi8(row4h, row4l, 8); \
112 row4l = t1; \
113 row4h = t0;
114 #else
115
116 #define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
117 t0 = row4l;\
118 t1 = row2l;\
119 row4l = row3l;\
120 row3l = row3h;\
121 row3h = row4l;\
122 row4l = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t0, t0)); \
123 row4h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row4h, row4h)); \
124 row2l = _mm_unpackhi_epi64(row2l, _mm_unpacklo_epi64(row2h, row2h)); \
125 row2h = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(t1, t1))
126
127 #define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
128 t0 = row3l;\
129 row3l = row3h;\
130 row3h = t0;\
131 t0 = row2l;\
132 t1 = row4l;\
133 row2l = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(row2l, row2l)); \
134 row2h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row2h, row2h)); \
135 row4l = _mm_unpackhi_epi64(row4l, _mm_unpacklo_epi64(row4h, row4h)); \
136 row4h = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t1, t1))
137
138 #endif
139
140 #if defined(HAVE_SSE41)
141 #include "blake2b-load-sse41.h"
142 #else
143 #include "blake2b-load-sse2.h"
144 #endif
145
146 #define ROUND(r) \
147 LOAD_MSG_ ##r ##_1(b0, b1); \
148 G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
149 LOAD_MSG_ ##r ##_2(b0, b1); \
150 G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
151 DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
152 LOAD_MSG_ ##r ##_3(b0, b1); \
153 G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
154 LOAD_MSG_ ##r ##_4(b0, b1); \
155 G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
156 UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h);
157
158 #endif
159
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