-
Notifications
You must be signed in to change notification settings - Fork 26
/
mshabal_avx2.c
404 lines (365 loc) · 14.2 KB
/
mshabal_avx2.c
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
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
/*
* Parallel implementation of Shabal, using the SSE2 unit. This code
* compiles and runs on x86 architectures, in 32-bit or 64-bit mode,
* which possess a SSE2-compatible SIMD unit.
*
*
* (c) 2010 SAPHIR project. This software is provided 'as-is', without
* any epxress or implied warranty. In no event will the authors be held
* liable for any damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to no restriction.
*
* Technical remarks and questions can be addressed to:
* <thomas.pornin@cryptolog.com>
*/
#include <stddef.h>
#include <string.h>
#include <immintrin.h>
#include "mshabal.h"
//#ifdef __cplusplus
//extern "C" {
//#endif
#ifdef _MSC_VER
#pragma warning (disable: 4146)
#endif
typedef mshabal_u32 u32;
#define C32(x) ((u32)x ## UL)
#define T32(x) ((x) & C32(0xFFFFFFFF))
#define ROTL32(x, n) T32(((x) << (n)) | ((x) >> (32 - (n))))
static void
avx2_mshabal_compress(mshabal_context *sc,
const unsigned char *buf0, const unsigned char *buf1,
const unsigned char *buf2, const unsigned char *buf3,
size_t num)
{
union {
u32 words[64];
__m128i data[16];
} u;
size_t j;
__m128i A[12], B[16], C[16];
__m128i one;
for (j = 0; j < 12; j++)
A[j] = _mm_loadu_si128((__m128i *)sc->state + j);
for (j = 0; j < 16; j++) {
B[j] = _mm_loadu_si128((__m128i *)sc->state + j + 12);
C[j] = _mm_loadu_si128((__m128i *)sc->state + j + 28);
}
one = _mm_set1_epi32(C32(0xFFFFFFFF));
#define M(i) _mm_load_si128(u.data + (i))
while (num-- > 0) {
for (j = 0; j < 64; j += 4) {
u.words[j + 0] = *(u32 *)(buf0 + j);
u.words[j + 1] = *(u32 *)(buf1 + j);
u.words[j + 2] = *(u32 *)(buf2 + j);
u.words[j + 3] = *(u32 *)(buf3 + j);
}
for (j = 0; j < 16; j++)
B[j] = _mm_add_epi32(B[j], M(j));
A[0] = _mm_xor_si128(A[0], _mm_set1_epi32(sc->Wlow));
A[1] = _mm_xor_si128(A[1], _mm_set1_epi32(sc->Whigh));
for (j = 0; j < 16; j++)
B[j] = _mm_or_si128(_mm_slli_epi32(B[j], 17),
_mm_srli_epi32(B[j], 15));
#define PP(xa0, xa1, xb0, xb1, xb2, xb3, xc, xm) do { \
__m128i tt; \
tt = _mm_or_si128(_mm_slli_epi32(xa1, 15), \
_mm_srli_epi32(xa1, 17)); \
tt = _mm_add_epi32(_mm_slli_epi32(tt, 2), tt); \
tt = _mm_xor_si128(_mm_xor_si128(xa0, tt), xc); \
tt = _mm_add_epi32(_mm_slli_epi32(tt, 1), tt); \
tt = _mm_xor_si128( \
_mm_xor_si128(tt, xb1), \
_mm_xor_si128(_mm_andnot_si128(xb3, xb2), xm)); \
xa0 = tt; \
tt = xb0; \
tt = _mm_or_si128(_mm_slli_epi32(tt, 1), \
_mm_srli_epi32(tt, 31)); \
xb0 = _mm_xor_si128(tt, _mm_xor_si128(xa0, one)); \
} while (0)
PP(A[0x0], A[0xB], B[0x0], B[0xD], B[0x9], B[0x6], C[0x8], M(0x0));
PP(A[0x1], A[0x0], B[0x1], B[0xE], B[0xA], B[0x7], C[0x7], M(0x1));
PP(A[0x2], A[0x1], B[0x2], B[0xF], B[0xB], B[0x8], C[0x6], M(0x2));
PP(A[0x3], A[0x2], B[0x3], B[0x0], B[0xC], B[0x9], C[0x5], M(0x3));
PP(A[0x4], A[0x3], B[0x4], B[0x1], B[0xD], B[0xA], C[0x4], M(0x4));
PP(A[0x5], A[0x4], B[0x5], B[0x2], B[0xE], B[0xB], C[0x3], M(0x5));
PP(A[0x6], A[0x5], B[0x6], B[0x3], B[0xF], B[0xC], C[0x2], M(0x6));
PP(A[0x7], A[0x6], B[0x7], B[0x4], B[0x0], B[0xD], C[0x1], M(0x7));
PP(A[0x8], A[0x7], B[0x8], B[0x5], B[0x1], B[0xE], C[0x0], M(0x8));
PP(A[0x9], A[0x8], B[0x9], B[0x6], B[0x2], B[0xF], C[0xF], M(0x9));
PP(A[0xA], A[0x9], B[0xA], B[0x7], B[0x3], B[0x0], C[0xE], M(0xA));
PP(A[0xB], A[0xA], B[0xB], B[0x8], B[0x4], B[0x1], C[0xD], M(0xB));
PP(A[0x0], A[0xB], B[0xC], B[0x9], B[0x5], B[0x2], C[0xC], M(0xC));
PP(A[0x1], A[0x0], B[0xD], B[0xA], B[0x6], B[0x3], C[0xB], M(0xD));
PP(A[0x2], A[0x1], B[0xE], B[0xB], B[0x7], B[0x4], C[0xA], M(0xE));
PP(A[0x3], A[0x2], B[0xF], B[0xC], B[0x8], B[0x5], C[0x9], M(0xF));
PP(A[0x4], A[0x3], B[0x0], B[0xD], B[0x9], B[0x6], C[0x8], M(0x0));
PP(A[0x5], A[0x4], B[0x1], B[0xE], B[0xA], B[0x7], C[0x7], M(0x1));
PP(A[0x6], A[0x5], B[0x2], B[0xF], B[0xB], B[0x8], C[0x6], M(0x2));
PP(A[0x7], A[0x6], B[0x3], B[0x0], B[0xC], B[0x9], C[0x5], M(0x3));
PP(A[0x8], A[0x7], B[0x4], B[0x1], B[0xD], B[0xA], C[0x4], M(0x4));
PP(A[0x9], A[0x8], B[0x5], B[0x2], B[0xE], B[0xB], C[0x3], M(0x5));
PP(A[0xA], A[0x9], B[0x6], B[0x3], B[0xF], B[0xC], C[0x2], M(0x6));
PP(A[0xB], A[0xA], B[0x7], B[0x4], B[0x0], B[0xD], C[0x1], M(0x7));
PP(A[0x0], A[0xB], B[0x8], B[0x5], B[0x1], B[0xE], C[0x0], M(0x8));
PP(A[0x1], A[0x0], B[0x9], B[0x6], B[0x2], B[0xF], C[0xF], M(0x9));
PP(A[0x2], A[0x1], B[0xA], B[0x7], B[0x3], B[0x0], C[0xE], M(0xA));
PP(A[0x3], A[0x2], B[0xB], B[0x8], B[0x4], B[0x1], C[0xD], M(0xB));
PP(A[0x4], A[0x3], B[0xC], B[0x9], B[0x5], B[0x2], C[0xC], M(0xC));
PP(A[0x5], A[0x4], B[0xD], B[0xA], B[0x6], B[0x3], C[0xB], M(0xD));
PP(A[0x6], A[0x5], B[0xE], B[0xB], B[0x7], B[0x4], C[0xA], M(0xE));
PP(A[0x7], A[0x6], B[0xF], B[0xC], B[0x8], B[0x5], C[0x9], M(0xF));
PP(A[0x8], A[0x7], B[0x0], B[0xD], B[0x9], B[0x6], C[0x8], M(0x0));
PP(A[0x9], A[0x8], B[0x1], B[0xE], B[0xA], B[0x7], C[0x7], M(0x1));
PP(A[0xA], A[0x9], B[0x2], B[0xF], B[0xB], B[0x8], C[0x6], M(0x2));
PP(A[0xB], A[0xA], B[0x3], B[0x0], B[0xC], B[0x9], C[0x5], M(0x3));
PP(A[0x0], A[0xB], B[0x4], B[0x1], B[0xD], B[0xA], C[0x4], M(0x4));
PP(A[0x1], A[0x0], B[0x5], B[0x2], B[0xE], B[0xB], C[0x3], M(0x5));
PP(A[0x2], A[0x1], B[0x6], B[0x3], B[0xF], B[0xC], C[0x2], M(0x6));
PP(A[0x3], A[0x2], B[0x7], B[0x4], B[0x0], B[0xD], C[0x1], M(0x7));
PP(A[0x4], A[0x3], B[0x8], B[0x5], B[0x1], B[0xE], C[0x0], M(0x8));
PP(A[0x5], A[0x4], B[0x9], B[0x6], B[0x2], B[0xF], C[0xF], M(0x9));
PP(A[0x6], A[0x5], B[0xA], B[0x7], B[0x3], B[0x0], C[0xE], M(0xA));
PP(A[0x7], A[0x6], B[0xB], B[0x8], B[0x4], B[0x1], C[0xD], M(0xB));
PP(A[0x8], A[0x7], B[0xC], B[0x9], B[0x5], B[0x2], C[0xC], M(0xC));
PP(A[0x9], A[0x8], B[0xD], B[0xA], B[0x6], B[0x3], C[0xB], M(0xD));
PP(A[0xA], A[0x9], B[0xE], B[0xB], B[0x7], B[0x4], C[0xA], M(0xE));
PP(A[0xB], A[0xA], B[0xF], B[0xC], B[0x8], B[0x5], C[0x9], M(0xF));
A[0xB] = _mm_add_epi32(A[0xB], C[0x6]);
A[0xA] = _mm_add_epi32(A[0xA], C[0x5]);
A[0x9] = _mm_add_epi32(A[0x9], C[0x4]);
A[0x8] = _mm_add_epi32(A[0x8], C[0x3]);
A[0x7] = _mm_add_epi32(A[0x7], C[0x2]);
A[0x6] = _mm_add_epi32(A[0x6], C[0x1]);
A[0x5] = _mm_add_epi32(A[0x5], C[0x0]);
A[0x4] = _mm_add_epi32(A[0x4], C[0xF]);
A[0x3] = _mm_add_epi32(A[0x3], C[0xE]);
A[0x2] = _mm_add_epi32(A[0x2], C[0xD]);
A[0x1] = _mm_add_epi32(A[0x1], C[0xC]);
A[0x0] = _mm_add_epi32(A[0x0], C[0xB]);
A[0xB] = _mm_add_epi32(A[0xB], C[0xA]);
A[0xA] = _mm_add_epi32(A[0xA], C[0x9]);
A[0x9] = _mm_add_epi32(A[0x9], C[0x8]);
A[0x8] = _mm_add_epi32(A[0x8], C[0x7]);
A[0x7] = _mm_add_epi32(A[0x7], C[0x6]);
A[0x6] = _mm_add_epi32(A[0x6], C[0x5]);
A[0x5] = _mm_add_epi32(A[0x5], C[0x4]);
A[0x4] = _mm_add_epi32(A[0x4], C[0x3]);
A[0x3] = _mm_add_epi32(A[0x3], C[0x2]);
A[0x2] = _mm_add_epi32(A[0x2], C[0x1]);
A[0x1] = _mm_add_epi32(A[0x1], C[0x0]);
A[0x0] = _mm_add_epi32(A[0x0], C[0xF]);
A[0xB] = _mm_add_epi32(A[0xB], C[0xE]);
A[0xA] = _mm_add_epi32(A[0xA], C[0xD]);
A[0x9] = _mm_add_epi32(A[0x9], C[0xC]);
A[0x8] = _mm_add_epi32(A[0x8], C[0xB]);
A[0x7] = _mm_add_epi32(A[0x7], C[0xA]);
A[0x6] = _mm_add_epi32(A[0x6], C[0x9]);
A[0x5] = _mm_add_epi32(A[0x5], C[0x8]);
A[0x4] = _mm_add_epi32(A[0x4], C[0x7]);
A[0x3] = _mm_add_epi32(A[0x3], C[0x6]);
A[0x2] = _mm_add_epi32(A[0x2], C[0x5]);
A[0x1] = _mm_add_epi32(A[0x1], C[0x4]);
A[0x0] = _mm_add_epi32(A[0x0], C[0x3]);
#define SWAP_AND_SUB(xb, xc, xm) do { \
__m128i tmp; \
tmp = xb; \
xb = _mm_sub_epi32(xc, xm); \
xc = tmp; \
} while (0)
SWAP_AND_SUB(B[0x0], C[0x0], M(0x0));
SWAP_AND_SUB(B[0x1], C[0x1], M(0x1));
SWAP_AND_SUB(B[0x2], C[0x2], M(0x2));
SWAP_AND_SUB(B[0x3], C[0x3], M(0x3));
SWAP_AND_SUB(B[0x4], C[0x4], M(0x4));
SWAP_AND_SUB(B[0x5], C[0x5], M(0x5));
SWAP_AND_SUB(B[0x6], C[0x6], M(0x6));
SWAP_AND_SUB(B[0x7], C[0x7], M(0x7));
SWAP_AND_SUB(B[0x8], C[0x8], M(0x8));
SWAP_AND_SUB(B[0x9], C[0x9], M(0x9));
SWAP_AND_SUB(B[0xA], C[0xA], M(0xA));
SWAP_AND_SUB(B[0xB], C[0xB], M(0xB));
SWAP_AND_SUB(B[0xC], C[0xC], M(0xC));
SWAP_AND_SUB(B[0xD], C[0xD], M(0xD));
SWAP_AND_SUB(B[0xE], C[0xE], M(0xE));
SWAP_AND_SUB(B[0xF], C[0xF], M(0xF));
buf0 += 64;
buf1 += 64;
buf2 += 64;
buf3 += 64;
if (++sc->Wlow == 0)
sc->Whigh++;
}
for (j = 0; j < 12; j++)
_mm_storeu_si128((__m128i *)sc->state + j, A[j]);
for (j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)sc->state + j + 12, B[j]);
_mm_storeu_si128((__m128i *)sc->state + j + 28, C[j]);
}
#undef M
}
/* see shabal_small.h */
void
avx2_mshabal_init(mshabal_context *sc, unsigned out_size)
{
unsigned u;
for (u = 0; u < 176; u++)
sc->state[u] = 0;
memset(sc->buf0, 0, sizeof sc->buf0);
memset(sc->buf1, 0, sizeof sc->buf1);
memset(sc->buf2, 0, sizeof sc->buf2);
memset(sc->buf3, 0, sizeof sc->buf3);
for (u = 0; u < 16; u++) {
sc->buf0[4 * u + 0] = (out_size + u);
sc->buf0[4 * u + 1] = (out_size + u) >> 8;
sc->buf1[4 * u + 0] = (out_size + u);
sc->buf1[4 * u + 1] = (out_size + u) >> 8;
sc->buf2[4 * u + 0] = (out_size + u);
sc->buf2[4 * u + 1] = (out_size + u) >> 8;
sc->buf3[4 * u + 0] = (out_size + u);
sc->buf3[4 * u + 1] = (out_size + u) >> 8;
}
sc->Whigh = sc->Wlow = C32(0xFFFFFFFF);
avx2_mshabal_compress(sc, sc->buf0, sc->buf1, sc->buf2, sc->buf3, 1);
for (u = 0; u < 16; u++) {
sc->buf0[4 * u + 0] = (out_size + u + 16);
sc->buf0[4 * u + 1] = (out_size + u + 16) >> 8;
sc->buf1[4 * u + 0] = (out_size + u + 16);
sc->buf1[4 * u + 1] = (out_size + u + 16) >> 8;
sc->buf2[4 * u + 0] = (out_size + u + 16);
sc->buf2[4 * u + 1] = (out_size + u + 16) >> 8;
sc->buf3[4 * u + 0] = (out_size + u + 16);
sc->buf3[4 * u + 1] = (out_size + u + 16) >> 8;
}
avx2_mshabal_compress(sc, sc->buf0, sc->buf1, sc->buf2, sc->buf3, 1);
sc->ptr = 0;
sc->out_size = out_size;
}
/* see shabal_small.h */
void
avx2_mshabal(mshabal_context *sc, const void *data0, const void *data1,
const void *data2, const void *data3, size_t len)
{
size_t ptr, num;
if (data0 == NULL) {
if (data1 == NULL) {
if (data2 == NULL) {
if (data3 == NULL) {
return;
}
else {
data0 = data3;
}
}
else {
data0 = data2;
}
}
else {
data0 = data1;
}
}
if (data1 == NULL)
data1 = data0;
if (data2 == NULL)
data2 = data0;
if (data3 == NULL)
data3 = data0;
ptr = sc->ptr;
if (ptr != 0) {
size_t clen;
clen = (sizeof sc->buf0 - ptr);
if (clen > len) {
memcpy(sc->buf0 + ptr, data0, len);
memcpy(sc->buf1 + ptr, data1, len);
memcpy(sc->buf2 + ptr, data2, len);
memcpy(sc->buf3 + ptr, data3, len);
sc->ptr = ptr + len;
return;
}
else {
memcpy(sc->buf0 + ptr, data0, clen);
memcpy(sc->buf1 + ptr, data1, clen);
memcpy(sc->buf2 + ptr, data2, clen);
memcpy(sc->buf3 + ptr, data3, clen);
avx2_mshabal_compress(sc,
sc->buf0, sc->buf1, sc->buf2, sc->buf3, 1);
data0 = (const unsigned char *)data0 + clen;
data1 = (const unsigned char *)data1 + clen;
data2 = (const unsigned char *)data2 + clen;
data3 = (const unsigned char *)data3 + clen;
len -= clen;
}
}
num = len >> 6;
if (num != 0) {
avx2_mshabal_compress(sc, (const unsigned char *)data0, (const unsigned char *)data1, (const unsigned char *)data2, (const unsigned char *)data3, num);
data0 = (const unsigned char *)data0 + (num << 6);
data1 = (const unsigned char *)data1 + (num << 6);
data2 = (const unsigned char *)data2 + (num << 6);
data3 = (const unsigned char *)data3 + (num << 6);
}
len &= (size_t)63;
memcpy(sc->buf0, data0, len);
memcpy(sc->buf1, data1, len);
memcpy(sc->buf2, data2, len);
memcpy(sc->buf3, data3, len);
sc->ptr = len;
}
/* see shabal_small.h */
void
avx2_mshabal_close(mshabal_context *sc,
unsigned ub0, unsigned ub1, unsigned ub2, unsigned ub3, unsigned n,
void *dst0, void *dst1, void *dst2, void *dst3)
{
size_t ptr, off;
unsigned z, out_size_w32;
z = 0x80 >> n;
ptr = sc->ptr;
sc->buf0[ptr] = (ub0 & -z) | z;
sc->buf1[ptr] = (ub1 & -z) | z;
sc->buf2[ptr] = (ub2 & -z) | z;
sc->buf3[ptr] = (ub3 & -z) | z;
ptr++;
memset(sc->buf0 + ptr, 0, (sizeof sc->buf0) - ptr);
memset(sc->buf1 + ptr, 0, (sizeof sc->buf1) - ptr);
memset(sc->buf2 + ptr, 0, (sizeof sc->buf2) - ptr);
memset(sc->buf3 + ptr, 0, (sizeof sc->buf3) - ptr);
for (z = 0; z < 4; z++) {
avx2_mshabal_compress(sc, sc->buf0, sc->buf1, sc->buf2, sc->buf3, 1);
if (sc->Wlow-- == 0)
sc->Whigh--;
}
out_size_w32 = sc->out_size >> 5;
off = 4 * (28 + (16 - out_size_w32));
if (dst0 != NULL) {
u32 *out;
out = (u32 *)dst0;
for (z = 0; z < out_size_w32; z++)
out[z] = sc->state[off + (z << 2) + 0];
}
if (dst1 != NULL) {
u32 *out;
out = (u32 *)dst1;
for (z = 0; z < out_size_w32; z++)
out[z] = sc->state[off + (z << 2) + 1];
}
if (dst2 != NULL) {
u32 *out;
out = (u32 *)dst2;
for (z = 0; z < out_size_w32; z++)
out[z] = sc->state[off + (z << 2) + 2];
}
if (dst3 != NULL) {
u32 *out;
out = (u32 *)dst3;
for (z = 0; z < out_size_w32; z++)
out[z] = sc->state[off + (z << 2) + 3];
}
}
//#ifdef __cplusplus
// extern "C" {
//#endif