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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
C arm/neon/sha3-permute.asm
ifelse(<
Copyright (C) 2013 Niels Möller
This file is part of GNU Nettle.
GNU Nettle is free software: you can redistribute it and/or
modify it under the terms of either:
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
or
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
or both in parallel, as here.
GNU Nettle is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see http://www.gnu.org/licenses/.
>)
.file "sha3-permute.asm"
.fpu neon
define(<CTX>, <r0>)
define(<COUNT>, <r1>)
define(<RC>, <r2>)
C First column
define(<A0>, <d0>)
define(<A5>, <d2>)
define(<A10>, <d3>)
define(<A15>, <d4>)
define(<A20>, <d5>)
define(<A1>, <d6>)
define(<A2>, <d7>)
define(<A3>, <d8>)
define(<A4>, <d9>)
define(<A6>, <d16>)
define(<A7>, <d17>)
define(<A8>, <d18>)
define(<A9>, <d19>)
define(<A11>, <d20>)
define(<A12>, <d21>)
define(<A13>, <d22>)
define(<A14>, <d23>)
define(<A16>, <d24>)
define(<A17>, <d25>)
define(<A18>, <d26>)
define(<A19>, <d27>)
define(<A21>, <d28>)
define(<A22>, <d29>)
define(<A23>, <d30>)
define(<A24>, <d31>)
define(<T0>, <d10>)
define(<T1>, <d11>)
define(<C0>, <d1>)
define(<C1>, <d12>)
define(<C2>, <d13>)
define(<C3>, <d14>)
define(<C4>, <d15>)
C ROL(DST, SRC, COUNT)
C Must have SRC != DST
define(<ROL>, <
vshr.u64 $1, $2, #eval(64-$3)
vsli.i64 $1, $2, #$3
>)
C sha3_permute(struct sha3_ctx *ctx)
.text
.align 3
.Lrc:
.quad 0x0000000000000001
.quad 0x0000000000008082
.quad 0x800000000000808A
.quad 0x8000000080008000
.quad 0x000000000000808B
.quad 0x0000000080000001
.quad 0x8000000080008081
.quad 0x8000000000008009
.quad 0x000000000000008A
.quad 0x0000000000000088
.quad 0x0000000080008009
.quad 0x000000008000000A
.quad 0x000000008000808B
.quad 0x800000000000008B
.quad 0x8000000000008089
.quad 0x8000000000008003
.quad 0x8000000000008002
.quad 0x8000000000000080
.quad 0x000000000000800A
.quad 0x800000008000000A
.quad 0x8000000080008081
.quad 0x8000000000008080
.quad 0x0000000080000001
.quad 0x8000000080008008
PROLOGUE(nettle_sha3_permute)
vpush {d8-d15}
vld1.64 {A0}, [CTX]!
vldm CTX!, {A1,A2,A3,A4}
vld1.64 {A5}, [CTX]!
vldm CTX!, {A6,A7,A8,A9}
vld1.64 {A10}, [CTX]!
vldm CTX!, {A11,A12,A13,A14}
vld1.64 {A15}, [CTX]!
vldm CTX!, {A16,A17,A18,A19}
vld1.64 {A20}, [CTX]!
vldm CTX, {A21,A22,A23,A24}
sub CTX, CTX, #168
mov COUNT, #24
adr RC, .Lrc
.align 3
.Loop:
veor QREG(T0), QREG(A5), QREG(A15)
veor C0, A0, T0
veor C0, C0, T1
veor QREG(C1), QREG(A1), QREG(A6)
veor QREG(C1), QREG(C1), QREG(A11)
veor QREG(C1), QREG(C1), QREG(A16)
veor QREG(C1), QREG(C1), QREG(A21)
veor QREG(C3), QREG(A3), QREG(A8)
veor QREG(C3), QREG(C3), QREG(A13)
veor QREG(C3), QREG(C3), QREG(A18)
veor QREG(C3), QREG(C3), QREG(A23)
C D0 = C4 ^ (C1 <<< 1)
C NOTE: Using ROL macro (and vsli) is slightly slower.
vshl.i64 T0, C1, #1
vshr.u64 T1, C1, #63
veor T0, T0, C4
veor T0, T0, T1
vmov T1, T0
veor A0, A0, T0
veor QREG(A5), QREG(A5), QREG(T0)
veor QREG(A15), QREG(A15), QREG(T0)
C D1 = C0 ^ (C2 <<< 1)
C D2 = C1 ^ (C3 <<< 1)
ROL(T0, C2, 1)
ROL(T1, C3, 1)
veor T0, T0, C0
veor T1, T1, C1
veor QREG(A1), QREG(A1), QREG(T0)
veor QREG(A6), QREG(A6), QREG(T0)
veor QREG(A11), QREG(A11), QREG(T0)
veor QREG(A16), QREG(A16), QREG(T0)
veor QREG(A21), QREG(A21), QREG(T0)
C D3 = C2 ^ (C4 <<< 1)
C D4 = C3 ^ (C0 <<< 1)
ROL(T0, C4, 1)
ROL(T1, C0, 1)
veor T0, T0, C2
veor T1, T1, C3
veor QREG(A3), QREG(A3), QREG(T0)
veor QREG(A8), QREG(A8), QREG(T0)
veor QREG(A13), QREG(A13), QREG(T0)
veor QREG(A18), QREG(A18), QREG(T0)
veor QREG(A23), QREG(A23), QREG(T0)
ROL( T0, A1, 1)
ROL( A1, A6, 44)
ROL( A6, A9, 20)
ROL( A9, A22, 61)
ROL(A22, A14, 39)
ROL(A14, A20, 18)
ROL(A20, A2, 62)
ROL( A2, A12, 43)
ROL(A12, A13, 25)
ROL(A13, A19, 8)
ROL(A19, A23, 56)
ROL(A23, A15, 41)
ROL(A15, A4, 27)
ROL( A4, A24, 14)
ROL(A24, A21, 2)
ROL(A21, A8, 55)
ROL( A8, A16, 45)
ROL(A16, A5, 36)
ROL( A5, A3, 28)
ROL( A3, A18, 21)
ROL(A18, A17, 15)
ROL(A17, A11, 10)
ROL(A11, A7, 6)
ROL( A7, A10, 3)
C New A10 value left in T0
vbic C0, A2, A1
vbic C1, A3, A2
vbic C2, A4, A3
vbic C3, A0, A4
vbic C4, A1, A0
veor A0, A0, C0
vld1.64 {C0}, [RC :64]!
veor QREG(A1), QREG(A1), QREG(C1)
veor QREG(A3), QREG(A3), QREG(C3)
veor A0, A0, C0
vbic C0, A7, A6
vbic C1, A8, A7
vbic C2, A9, A8
vbic C3, A5, A9
vbic C4, A6, A5
veor A5, A5, C0
veor QREG(A6), QREG(A6), QREG(C1)
veor QREG(A8), QREG(A8), QREG(C3)
vbic C0, A12, A11
vbic C1, A13, A12
vbic C2, A14, A13
vbic C3, T0, A14
vbic C4, A11, T0
veor A10, T0, C0
veor QREG(A11), QREG(A11), QREG(C1)
veor QREG(A13), QREG(A13), QREG(C3)
vbic C0, A17, A16
vbic C1, A18, A17
vbic C2, A19, A18
vbic C3, A15, A19
vbic C4, A16, A15
veor A15, A15, C0
veor QREG(A16), QREG(A16), QREG(C1)
veor QREG(A18), QREG(A18), QREG(C3)
vbic C0, A22, A21
vbic C1, A23, A22
vbic C2, A24, A23
vbic C3, A20, A24
vbic C4, A21, A20
subs COUNT, COUNT, #1
veor A20, A20, C0
veor QREG(A21), QREG(A21), QREG(C1)
veor QREG(A23), QREG(A23), QREG(C3)
bne .Loop
vst1.64 {A0}, [CTX]!
vstm CTX!, {A1,A2,A3,A4}
vst1.64 {A5}, [CTX]!
vstm CTX!, {A6,A7,A8,A9}
vst1.64 {A10}, [CTX]!
vstm CTX!, {A11,A12,A13,A14}
vst1.64 {A15}, [CTX]!
vstm CTX!, {A16,A17,A18,A19}
vst1.64 {A20}, [CTX]!
vstm CTX, {A21,A22,A23,A24}
vpop {d8-d15}
bx lr
EPILOGUE(nettle_sha3_permute)
|
