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
160
161
162
163
|
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package argon2
var useSSE4 bool
func processBlockGeneric(out, in1, in2 *block, xor bool) {
var t block
for i := range t {
t[i] = in1[i] ^ in2[i]
}
for i := 0; i < blockLength; i += 16 {
blamkaGeneric(
&t[i+0], &t[i+1], &t[i+2], &t[i+3],
&t[i+4], &t[i+5], &t[i+6], &t[i+7],
&t[i+8], &t[i+9], &t[i+10], &t[i+11],
&t[i+12], &t[i+13], &t[i+14], &t[i+15],
)
}
for i := 0; i < blockLength/8; i += 2 {
blamkaGeneric(
&t[i], &t[i+1], &t[16+i], &t[16+i+1],
&t[32+i], &t[32+i+1], &t[48+i], &t[48+i+1],
&t[64+i], &t[64+i+1], &t[80+i], &t[80+i+1],
&t[96+i], &t[96+i+1], &t[112+i], &t[112+i+1],
)
}
if xor {
for i := range t {
out[i] ^= in1[i] ^ in2[i] ^ t[i]
}
} else {
for i := range t {
out[i] = in1[i] ^ in2[i] ^ t[i]
}
}
}
func blamkaGeneric(t00, t01, t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t12, t13, t14, t15 *uint64) {
v00, v01, v02, v03 := *t00, *t01, *t02, *t03
v04, v05, v06, v07 := *t04, *t05, *t06, *t07
v08, v09, v10, v11 := *t08, *t09, *t10, *t11
v12, v13, v14, v15 := *t12, *t13, *t14, *t15
v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04))
v12 ^= v00
v12 = v12>>32 | v12<<32
v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12))
v04 ^= v08
v04 = v04>>24 | v04<<40
v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04))
v12 ^= v00
v12 = v12>>16 | v12<<48
v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12))
v04 ^= v08
v04 = v04>>63 | v04<<1
v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05))
v13 ^= v01
v13 = v13>>32 | v13<<32
v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13))
v05 ^= v09
v05 = v05>>24 | v05<<40
v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05))
v13 ^= v01
v13 = v13>>16 | v13<<48
v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13))
v05 ^= v09
v05 = v05>>63 | v05<<1
v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06))
v14 ^= v02
v14 = v14>>32 | v14<<32
v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14))
v06 ^= v10
v06 = v06>>24 | v06<<40
v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06))
v14 ^= v02
v14 = v14>>16 | v14<<48
v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14))
v06 ^= v10
v06 = v06>>63 | v06<<1
v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07))
v15 ^= v03
v15 = v15>>32 | v15<<32
v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15))
v07 ^= v11
v07 = v07>>24 | v07<<40
v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07))
v15 ^= v03
v15 = v15>>16 | v15<<48
v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15))
v07 ^= v11
v07 = v07>>63 | v07<<1
v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05))
v15 ^= v00
v15 = v15>>32 | v15<<32
v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15))
v05 ^= v10
v05 = v05>>24 | v05<<40
v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05))
v15 ^= v00
v15 = v15>>16 | v15<<48
v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15))
v05 ^= v10
v05 = v05>>63 | v05<<1
v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06))
v12 ^= v01
v12 = v12>>32 | v12<<32
v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12))
v06 ^= v11
v06 = v06>>24 | v06<<40
v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06))
v12 ^= v01
v12 = v12>>16 | v12<<48
v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12))
v06 ^= v11
v06 = v06>>63 | v06<<1
v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07))
v13 ^= v02
v13 = v13>>32 | v13<<32
v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13))
v07 ^= v08
v07 = v07>>24 | v07<<40
v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07))
v13 ^= v02
v13 = v13>>16 | v13<<48
v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13))
v07 ^= v08
v07 = v07>>63 | v07<<1
v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04))
v14 ^= v03
v14 = v14>>32 | v14<<32
v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14))
v04 ^= v09
v04 = v04>>24 | v04<<40
v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04))
v14 ^= v03
v14 = v14>>16 | v14<<48
v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14))
v04 ^= v09
v04 = v04>>63 | v04<<1
*t00, *t01, *t02, *t03 = v00, v01, v02, v03
*t04, *t05, *t06, *t07 = v04, v05, v06, v07
*t08, *t09, *t10, *t11 = v08, v09, v10, v11
*t12, *t13, *t14, *t15 = v12, v13, v14, v15
}
|
