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
280
281
|
#if ENABLE_SHA256_HWACCEL && defined(__GNUC__) && defined(__x86_64__)
/* The code is adapted from Linux kernel's source */
// We use shorter insns, even though they are for "wrong"
// data type (fp, not int).
// For Intel, there is no penalty for doing it at all
// (CPUs which do have such penalty do not support SHA1 insns).
// For AMD, the penalty is one extra cycle
// (allegedly: I failed to find measurable difference).
//#define mova128 movdqa
#define mova128 movaps
//#define movu128 movdqu
#define movu128 movups
//#define shuf128_32 pshufd
#define shuf128_32 shufps
.section .text.sha256_process_block64_shaNI, "ax", @progbits
.globl sha256_process_block64_shaNI
.hidden sha256_process_block64_shaNI
.type sha256_process_block64_shaNI, @function
#define DATA_PTR %rdi
#define SHA256CONSTANTS %rax
#define MSG %xmm0
#define STATE0 %xmm1
#define STATE1 %xmm2
#define MSGTMP0 %xmm3
#define MSGTMP1 %xmm4
#define MSGTMP2 %xmm5
#define MSGTMP3 %xmm6
#define XMMTMP4 %xmm7
#define ABEF_SAVE %xmm9
#define CDGH_SAVE %xmm10
.balign 8 # allow decoders to fetch at least 2 first insns
sha256_process_block64_shaNI:
movu128 80+0*16(%rdi), STATE0
movu128 80+1*16(%rdi), STATE1
shuf128_32 $0xB1, STATE0, STATE0 /* CDAB */
shuf128_32 $0x1B, STATE1, STATE1 /* EFGH */
mova128 STATE0, XMMTMP4
palignr $8, STATE1, STATE0 /* ABEF */
pblendw $0xF0, XMMTMP4, STATE1 /* CDGH */
/* XMMTMP4 holds flip mask from here... */
mova128 PSHUFFLE_BSWAP32_FLIP_MASK(%rip), XMMTMP4
leaq K256+8*16(%rip), SHA256CONSTANTS
/* Save hash values for addition after rounds */
mova128 STATE0, ABEF_SAVE
mova128 STATE1, CDGH_SAVE
/* Rounds 0-3 */
movu128 0*16(DATA_PTR), MSG
pshufb XMMTMP4, MSG
mova128 MSG, MSGTMP0
paddd 0*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
/* Rounds 4-7 */
movu128 1*16(DATA_PTR), MSG
pshufb XMMTMP4, MSG
mova128 MSG, MSGTMP1
paddd 1*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP1, MSGTMP0
/* Rounds 8-11 */
movu128 2*16(DATA_PTR), MSG
pshufb XMMTMP4, MSG
mova128 MSG, MSGTMP2
paddd 2*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP2, MSGTMP1
/* Rounds 12-15 */
movu128 3*16(DATA_PTR), MSG
pshufb XMMTMP4, MSG
/* ...to here */
mova128 MSG, MSGTMP3
paddd 3*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP3, XMMTMP4
palignr $4, MSGTMP2, XMMTMP4
paddd XMMTMP4, MSGTMP0
sha256msg2 MSGTMP3, MSGTMP0
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP3, MSGTMP2
/* Rounds 16-19 */
mova128 MSGTMP0, MSG
paddd 4*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP0, XMMTMP4
palignr $4, MSGTMP3, XMMTMP4
paddd XMMTMP4, MSGTMP1
sha256msg2 MSGTMP0, MSGTMP1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP0, MSGTMP3
/* Rounds 20-23 */
mova128 MSGTMP1, MSG
paddd 5*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP1, XMMTMP4
palignr $4, MSGTMP0, XMMTMP4
paddd XMMTMP4, MSGTMP2
sha256msg2 MSGTMP1, MSGTMP2
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP1, MSGTMP0
/* Rounds 24-27 */
mova128 MSGTMP2, MSG
paddd 6*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP2, XMMTMP4
palignr $4, MSGTMP1, XMMTMP4
paddd XMMTMP4, MSGTMP3
sha256msg2 MSGTMP2, MSGTMP3
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP2, MSGTMP1
/* Rounds 28-31 */
mova128 MSGTMP3, MSG
paddd 7*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP3, XMMTMP4
palignr $4, MSGTMP2, XMMTMP4
paddd XMMTMP4, MSGTMP0
sha256msg2 MSGTMP3, MSGTMP0
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP3, MSGTMP2
/* Rounds 32-35 */
mova128 MSGTMP0, MSG
paddd 8*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP0, XMMTMP4
palignr $4, MSGTMP3, XMMTMP4
paddd XMMTMP4, MSGTMP1
sha256msg2 MSGTMP0, MSGTMP1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP0, MSGTMP3
/* Rounds 36-39 */
mova128 MSGTMP1, MSG
paddd 9*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP1, XMMTMP4
palignr $4, MSGTMP0, XMMTMP4
paddd XMMTMP4, MSGTMP2
sha256msg2 MSGTMP1, MSGTMP2
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP1, MSGTMP0
/* Rounds 40-43 */
mova128 MSGTMP2, MSG
paddd 10*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP2, XMMTMP4
palignr $4, MSGTMP1, XMMTMP4
paddd XMMTMP4, MSGTMP3
sha256msg2 MSGTMP2, MSGTMP3
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP2, MSGTMP1
/* Rounds 44-47 */
mova128 MSGTMP3, MSG
paddd 11*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP3, XMMTMP4
palignr $4, MSGTMP2, XMMTMP4
paddd XMMTMP4, MSGTMP0
sha256msg2 MSGTMP3, MSGTMP0
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP3, MSGTMP2
/* Rounds 48-51 */
mova128 MSGTMP0, MSG
paddd 12*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP0, XMMTMP4
palignr $4, MSGTMP3, XMMTMP4
paddd XMMTMP4, MSGTMP1
sha256msg2 MSGTMP0, MSGTMP1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
sha256msg1 MSGTMP0, MSGTMP3
/* Rounds 52-55 */
mova128 MSGTMP1, MSG
paddd 13*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP1, XMMTMP4
palignr $4, MSGTMP0, XMMTMP4
paddd XMMTMP4, MSGTMP2
sha256msg2 MSGTMP1, MSGTMP2
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
/* Rounds 56-59 */
mova128 MSGTMP2, MSG
paddd 14*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
mova128 MSGTMP2, XMMTMP4
palignr $4, MSGTMP1, XMMTMP4
paddd XMMTMP4, MSGTMP3
sha256msg2 MSGTMP2, MSGTMP3
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
/* Rounds 60-63 */
mova128 MSGTMP3, MSG
paddd 15*16-8*16(SHA256CONSTANTS), MSG
sha256rnds2 STATE0, STATE1
shuf128_32 $0x0E, MSG, MSG
sha256rnds2 STATE1, STATE0
/* Add current hash values with previously saved */
paddd ABEF_SAVE, STATE0
paddd CDGH_SAVE, STATE1
/* Write hash values back in the correct order */
shuf128_32 $0x1B, STATE0, STATE0 /* FEBA */
shuf128_32 $0xB1, STATE1, STATE1 /* DCHG */
mova128 STATE0, XMMTMP4
pblendw $0xF0, STATE1, STATE0 /* DCBA */
palignr $8, XMMTMP4, STATE1 /* HGFE */
movu128 STATE0, 80+0*16(%rdi)
movu128 STATE1, 80+1*16(%rdi)
ret
.size sha256_process_block64_shaNI, .-sha256_process_block64_shaNI
.section .rodata.cst256.K256, "aM", @progbits, 256
.balign 16
K256:
.long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
.long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
.long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
.long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
.long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
.long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
.long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
.long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
.long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
.long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
.long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
.long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
.long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
.long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
.section .rodata.cst16.PSHUFFLE_BSWAP32_FLIP_MASK, "aM", @progbits, 16
.balign 16
PSHUFFLE_BSWAP32_FLIP_MASK:
.octa 0x0c0d0e0f08090a0b0405060700010203
#endif
|
