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Side by Side Diff: Modules/_blake2/impl/blake2s-round.h

Issue 26798: add BLAKE2 to hashlib
Patch Set: Created 3 years, 1 month 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 __BLAKE2S_ROUND_H__
17 #define __BLAKE2S_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_epi32(r, c) ( \
32 (8==-(c)) ? _mm_shuffle_epi8(r,r8) \
33 : (16==-(c)) ? _mm_shuffle_epi8(r,r16) \
34 : _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_epi32( (r), 3 2-(-(c)) )) )
35 #else
36 #define _mm_roti_epi32(r, c) _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_ epi32( (r), 32-(-(c)) ))
37 #endif
38 #else
39 /* ... */
40 #endif
41
42
43 #define G1(row1,row2,row3,row4,buf) \
44 row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
45 row4 = _mm_xor_si128( row4, row1 ); \
46 row4 = _mm_roti_epi32(row4, -16); \
47 row3 = _mm_add_epi32( row3, row4 ); \
48 row2 = _mm_xor_si128( row2, row3 ); \
49 row2 = _mm_roti_epi32(row2, -12);
50
51 #define G2(row1,row2,row3,row4,buf) \
52 row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
53 row4 = _mm_xor_si128( row4, row1 ); \
54 row4 = _mm_roti_epi32(row4, -8); \
55 row3 = _mm_add_epi32( row3, row4 ); \
56 row2 = _mm_xor_si128( row2, row3 ); \
57 row2 = _mm_roti_epi32(row2, -7);
58
59 #define DIAGONALIZE(row1,row2,row3,row4) \
60 row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(2,1,0,3) ); \
61 row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
62 row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(0,3,2,1) );
63
64 #define UNDIAGONALIZE(row1,row2,row3,row4) \
65 row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(0,3,2,1) ); \
66 row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
67 row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(2,1,0,3) );
68
69 #if defined(HAVE_XOP)
70 #include "blake2s-load-xop.h"
71 #elif defined(HAVE_SSE41)
72 #include "blake2s-load-sse41.h"
73 #else
74 #include "blake2s-load-sse2.h"
75 #endif
76
77 #define ROUND(r) \
78 LOAD_MSG_ ##r ##_1(buf1); \
79 G1(row1,row2,row3,row4,buf1); \
80 LOAD_MSG_ ##r ##_2(buf2); \
81 G2(row1,row2,row3,row4,buf2); \
82 DIAGONALIZE(row1,row2,row3,row4); \
83 LOAD_MSG_ ##r ##_3(buf3); \
84 G1(row1,row2,row3,row4,buf3); \
85 LOAD_MSG_ ##r ##_4(buf4); \
86 G2(row1,row2,row3,row4,buf4); \
87 UNDIAGONALIZE(row1,row2,row3,row4); \
88
89 #endif
90
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