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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * x86_64/AVX2 assembler optimized version of Serpent
4 *
5 * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
6 *
7 * Based on AVX assembler implementation of Serpent by:
8 * Copyright © 2012 Johannes Goetzfried
9 * <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
10 */
11
12#include <linux/linkage.h>
13#include <asm/frame.h>
14#include "glue_helper-asm-avx2.S"
15
16.file "serpent-avx2-asm_64.S"
17
18.section .rodata.cst16.bswap128_mask, "aM", @progbits, 16
19.align 16
20.Lbswap128_mask:
21 .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
22
23.text
24
25#define CTX %rdi
26
27#define RNOT %ymm0
28#define tp %ymm1
29
30#define RA1 %ymm2
31#define RA2 %ymm3
32#define RB1 %ymm4
33#define RB2 %ymm5
34#define RC1 %ymm6
35#define RC2 %ymm7
36#define RD1 %ymm8
37#define RD2 %ymm9
38#define RE1 %ymm10
39#define RE2 %ymm11
40
41#define RK0 %ymm12
42#define RK1 %ymm13
43#define RK2 %ymm14
44#define RK3 %ymm15
45
46#define RK0x %xmm12
47#define RK1x %xmm13
48#define RK2x %xmm14
49#define RK3x %xmm15
50
51#define S0_1(x0, x1, x2, x3, x4) \
52 vpor x0, x3, tp; \
53 vpxor x3, x0, x0; \
54 vpxor x2, x3, x4; \
55 vpxor RNOT, x4, x4; \
56 vpxor x1, tp, x3; \
57 vpand x0, x1, x1; \
58 vpxor x4, x1, x1; \
59 vpxor x0, x2, x2;
60#define S0_2(x0, x1, x2, x3, x4) \
61 vpxor x3, x0, x0; \
62 vpor x0, x4, x4; \
63 vpxor x2, x0, x0; \
64 vpand x1, x2, x2; \
65 vpxor x2, x3, x3; \
66 vpxor RNOT, x1, x1; \
67 vpxor x4, x2, x2; \
68 vpxor x2, x1, x1;
69
70#define S1_1(x0, x1, x2, x3, x4) \
71 vpxor x0, x1, tp; \
72 vpxor x3, x0, x0; \
73 vpxor RNOT, x3, x3; \
74 vpand tp, x1, x4; \
75 vpor tp, x0, x0; \
76 vpxor x2, x3, x3; \
77 vpxor x3, x0, x0; \
78 vpxor x3, tp, x1;
79#define S1_2(x0, x1, x2, x3, x4) \
80 vpxor x4, x3, x3; \
81 vpor x4, x1, x1; \
82 vpxor x2, x4, x4; \
83 vpand x0, x2, x2; \
84 vpxor x1, x2, x2; \
85 vpor x0, x1, x1; \
86 vpxor RNOT, x0, x0; \
87 vpxor x2, x0, x0; \
88 vpxor x1, x4, x4;
89
90#define S2_1(x0, x1, x2, x3, x4) \
91 vpxor RNOT, x3, x3; \
92 vpxor x0, x1, x1; \
93 vpand x2, x0, tp; \
94 vpxor x3, tp, tp; \
95 vpor x0, x3, x3; \
96 vpxor x1, x2, x2; \
97 vpxor x1, x3, x3; \
98 vpand tp, x1, x1;
99#define S2_2(x0, x1, x2, x3, x4) \
100 vpxor x2, tp, tp; \
101 vpand x3, x2, x2; \
102 vpor x1, x3, x3; \
103 vpxor RNOT, tp, tp; \
104 vpxor tp, x3, x3; \
105 vpxor tp, x0, x4; \
106 vpxor x2, tp, x0; \
107 vpor x2, x1, x1;
108
109#define S3_1(x0, x1, x2, x3, x4) \
110 vpxor x3, x1, tp; \
111 vpor x0, x3, x3; \
112 vpand x0, x1, x4; \
113 vpxor x2, x0, x0; \
114 vpxor tp, x2, x2; \
115 vpand x3, tp, x1; \
116 vpxor x3, x2, x2; \
117 vpor x4, x0, x0; \
118 vpxor x3, x4, x4;
119#define S3_2(x0, x1, x2, x3, x4) \
120 vpxor x0, x1, x1; \
121 vpand x3, x0, x0; \
122 vpand x4, x3, x3; \
123 vpxor x2, x3, x3; \
124 vpor x1, x4, x4; \
125 vpand x1, x2, x2; \
126 vpxor x3, x4, x4; \
127 vpxor x3, x0, x0; \
128 vpxor x2, x3, x3;
129
130#define S4_1(x0, x1, x2, x3, x4) \
131 vpand x0, x3, tp; \
132 vpxor x3, x0, x0; \
133 vpxor x2, tp, tp; \
134 vpor x3, x2, x2; \
135 vpxor x1, x0, x0; \
136 vpxor tp, x3, x4; \
137 vpor x0, x2, x2; \
138 vpxor x1, x2, x2;
139#define S4_2(x0, x1, x2, x3, x4) \
140 vpand x0, x1, x1; \
141 vpxor x4, x1, x1; \
142 vpand x2, x4, x4; \
143 vpxor tp, x2, x2; \
144 vpxor x0, x4, x4; \
145 vpor x1, tp, x3; \
146 vpxor RNOT, x1, x1; \
147 vpxor x0, x3, x3;
148
149#define S5_1(x0, x1, x2, x3, x4) \
150 vpor x0, x1, tp; \
151 vpxor tp, x2, x2; \
152 vpxor RNOT, x3, x3; \
153 vpxor x0, x1, x4; \
154 vpxor x2, x0, x0; \
155 vpand x4, tp, x1; \
156 vpor x3, x4, x4; \
157 vpxor x0, x4, x4;
158#define S5_2(x0, x1, x2, x3, x4) \
159 vpand x3, x0, x0; \
160 vpxor x3, x1, x1; \
161 vpxor x2, x3, x3; \
162 vpxor x1, x0, x0; \
163 vpand x4, x2, x2; \
164 vpxor x2, x1, x1; \
165 vpand x0, x2, x2; \
166 vpxor x2, x3, x3;
167
168#define S6_1(x0, x1, x2, x3, x4) \
169 vpxor x0, x3, x3; \
170 vpxor x2, x1, tp; \
171 vpxor x0, x2, x2; \
172 vpand x3, x0, x0; \
173 vpor x3, tp, tp; \
174 vpxor RNOT, x1, x4; \
175 vpxor tp, x0, x0; \
176 vpxor x2, tp, x1;
177#define S6_2(x0, x1, x2, x3, x4) \
178 vpxor x4, x3, x3; \
179 vpxor x0, x4, x4; \
180 vpand x0, x2, x2; \
181 vpxor x1, x4, x4; \
182 vpxor x3, x2, x2; \
183 vpand x1, x3, x3; \
184 vpxor x0, x3, x3; \
185 vpxor x2, x1, x1;
186
187#define S7_1(x0, x1, x2, x3, x4) \
188 vpxor RNOT, x1, tp; \
189 vpxor RNOT, x0, x0; \
190 vpand x2, tp, x1; \
191 vpxor x3, x1, x1; \
192 vpor tp, x3, x3; \
193 vpxor x2, tp, x4; \
194 vpxor x3, x2, x2; \
195 vpxor x0, x3, x3; \
196 vpor x1, x0, x0;
197#define S7_2(x0, x1, x2, x3, x4) \
198 vpand x0, x2, x2; \
199 vpxor x4, x0, x0; \
200 vpxor x3, x4, x4; \
201 vpand x0, x3, x3; \
202 vpxor x1, x4, x4; \
203 vpxor x4, x2, x2; \
204 vpxor x1, x3, x3; \
205 vpor x0, x4, x4; \
206 vpxor x1, x4, x4;
207
208#define SI0_1(x0, x1, x2, x3, x4) \
209 vpxor x0, x1, x1; \
210 vpor x1, x3, tp; \
211 vpxor x1, x3, x4; \
212 vpxor RNOT, x0, x0; \
213 vpxor tp, x2, x2; \
214 vpxor x0, tp, x3; \
215 vpand x1, x0, x0; \
216 vpxor x2, x0, x0;
217#define SI0_2(x0, x1, x2, x3, x4) \
218 vpand x3, x2, x2; \
219 vpxor x4, x3, x3; \
220 vpxor x3, x2, x2; \
221 vpxor x3, x1, x1; \
222 vpand x0, x3, x3; \
223 vpxor x0, x1, x1; \
224 vpxor x2, x0, x0; \
225 vpxor x3, x4, x4;
226
227#define SI1_1(x0, x1, x2, x3, x4) \
228 vpxor x3, x1, x1; \
229 vpxor x2, x0, tp; \
230 vpxor RNOT, x2, x2; \
231 vpor x1, x0, x4; \
232 vpxor x3, x4, x4; \
233 vpand x1, x3, x3; \
234 vpxor x2, x1, x1; \
235 vpand x4, x2, x2;
236#define SI1_2(x0, x1, x2, x3, x4) \
237 vpxor x1, x4, x4; \
238 vpor x3, x1, x1; \
239 vpxor tp, x3, x3; \
240 vpxor tp, x2, x2; \
241 vpor x4, tp, x0; \
242 vpxor x4, x2, x2; \
243 vpxor x0, x1, x1; \
244 vpxor x1, x4, x4;
245
246#define SI2_1(x0, x1, x2, x3, x4) \
247 vpxor x1, x2, x2; \
248 vpxor RNOT, x3, tp; \
249 vpor x2, tp, tp; \
250 vpxor x3, x2, x2; \
251 vpxor x0, x3, x4; \
252 vpxor x1, tp, x3; \
253 vpor x2, x1, x1; \
254 vpxor x0, x2, x2;
255#define SI2_2(x0, x1, x2, x3, x4) \
256 vpxor x4, x1, x1; \
257 vpor x3, x4, x4; \
258 vpxor x3, x2, x2; \
259 vpxor x2, x4, x4; \
260 vpand x1, x2, x2; \
261 vpxor x3, x2, x2; \
262 vpxor x4, x3, x3; \
263 vpxor x0, x4, x4;
264
265#define SI3_1(x0, x1, x2, x3, x4) \
266 vpxor x1, x2, x2; \
267 vpand x2, x1, tp; \
268 vpxor x0, tp, tp; \
269 vpor x1, x0, x0; \
270 vpxor x3, x1, x4; \
271 vpxor x3, x0, x0; \
272 vpor tp, x3, x3; \
273 vpxor x2, tp, x1;
274#define SI3_2(x0, x1, x2, x3, x4) \
275 vpxor x3, x1, x1; \
276 vpxor x2, x0, x0; \
277 vpxor x3, x2, x2; \
278 vpand x1, x3, x3; \
279 vpxor x0, x1, x1; \
280 vpand x2, x0, x0; \
281 vpxor x3, x4, x4; \
282 vpxor x0, x3, x3; \
283 vpxor x1, x0, x0;
284
285#define SI4_1(x0, x1, x2, x3, x4) \
286 vpxor x3, x2, x2; \
287 vpand x1, x0, tp; \
288 vpxor x2, tp, tp; \
289 vpor x3, x2, x2; \
290 vpxor RNOT, x0, x4; \
291 vpxor tp, x1, x1; \
292 vpxor x2, tp, x0; \
293 vpand x4, x2, x2;
294#define SI4_2(x0, x1, x2, x3, x4) \
295 vpxor x0, x2, x2; \
296 vpor x4, x0, x0; \
297 vpxor x3, x0, x0; \
298 vpand x2, x3, x3; \
299 vpxor x3, x4, x4; \
300 vpxor x1, x3, x3; \
301 vpand x0, x1, x1; \
302 vpxor x1, x4, x4; \
303 vpxor x3, x0, x0;
304
305#define SI5_1(x0, x1, x2, x3, x4) \
306 vpor x2, x1, tp; \
307 vpxor x1, x2, x2; \
308 vpxor x3, tp, tp; \
309 vpand x1, x3, x3; \
310 vpxor x3, x2, x2; \
311 vpor x0, x3, x3; \
312 vpxor RNOT, x0, x0; \
313 vpxor x2, x3, x3; \
314 vpor x0, x2, x2;
315#define SI5_2(x0, x1, x2, x3, x4) \
316 vpxor tp, x1, x4; \
317 vpxor x4, x2, x2; \
318 vpand x0, x4, x4; \
319 vpxor tp, x0, x0; \
320 vpxor x3, tp, x1; \
321 vpand x2, x0, x0; \
322 vpxor x3, x2, x2; \
323 vpxor x2, x0, x0; \
324 vpxor x4, x2, x2; \
325 vpxor x3, x4, x4;
326
327#define SI6_1(x0, x1, x2, x3, x4) \
328 vpxor x2, x0, x0; \
329 vpand x3, x0, tp; \
330 vpxor x3, x2, x2; \
331 vpxor x2, tp, tp; \
332 vpxor x1, x3, x3; \
333 vpor x0, x2, x2; \
334 vpxor x3, x2, x2; \
335 vpand tp, x3, x3;
336#define SI6_2(x0, x1, x2, x3, x4) \
337 vpxor RNOT, tp, tp; \
338 vpxor x1, x3, x3; \
339 vpand x2, x1, x1; \
340 vpxor tp, x0, x4; \
341 vpxor x4, x3, x3; \
342 vpxor x2, x4, x4; \
343 vpxor x1, tp, x0; \
344 vpxor x0, x2, x2;
345
346#define SI7_1(x0, x1, x2, x3, x4) \
347 vpand x0, x3, tp; \
348 vpxor x2, x0, x0; \
349 vpor x3, x2, x2; \
350 vpxor x1, x3, x4; \
351 vpxor RNOT, x0, x0; \
352 vpor tp, x1, x1; \
353 vpxor x0, x4, x4; \
354 vpand x2, x0, x0; \
355 vpxor x1, x0, x0;
356#define SI7_2(x0, x1, x2, x3, x4) \
357 vpand x2, x1, x1; \
358 vpxor x2, tp, x3; \
359 vpxor x3, x4, x4; \
360 vpand x3, x2, x2; \
361 vpor x0, x3, x3; \
362 vpxor x4, x1, x1; \
363 vpxor x4, x3, x3; \
364 vpand x0, x4, x4; \
365 vpxor x2, x4, x4;
366
367#define get_key(i,j,t) \
368 vpbroadcastd (4*(i)+(j))*4(CTX), t;
369
370#define K2(x0, x1, x2, x3, x4, i) \
371 get_key(i, 0, RK0); \
372 get_key(i, 1, RK1); \
373 get_key(i, 2, RK2); \
374 get_key(i, 3, RK3); \
375 vpxor RK0, x0 ## 1, x0 ## 1; \
376 vpxor RK1, x1 ## 1, x1 ## 1; \
377 vpxor RK2, x2 ## 1, x2 ## 1; \
378 vpxor RK3, x3 ## 1, x3 ## 1; \
379 vpxor RK0, x0 ## 2, x0 ## 2; \
380 vpxor RK1, x1 ## 2, x1 ## 2; \
381 vpxor RK2, x2 ## 2, x2 ## 2; \
382 vpxor RK3, x3 ## 2, x3 ## 2;
383
384#define LK2(x0, x1, x2, x3, x4, i) \
385 vpslld $13, x0 ## 1, x4 ## 1; \
386 vpsrld $(32 - 13), x0 ## 1, x0 ## 1; \
387 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
388 vpxor x0 ## 1, x1 ## 1, x1 ## 1; \
389 vpslld $3, x2 ## 1, x4 ## 1; \
390 vpsrld $(32 - 3), x2 ## 1, x2 ## 1; \
391 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
392 vpxor x2 ## 1, x1 ## 1, x1 ## 1; \
393 vpslld $13, x0 ## 2, x4 ## 2; \
394 vpsrld $(32 - 13), x0 ## 2, x0 ## 2; \
395 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
396 vpxor x0 ## 2, x1 ## 2, x1 ## 2; \
397 vpslld $3, x2 ## 2, x4 ## 2; \
398 vpsrld $(32 - 3), x2 ## 2, x2 ## 2; \
399 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
400 vpxor x2 ## 2, x1 ## 2, x1 ## 2; \
401 vpslld $1, x1 ## 1, x4 ## 1; \
402 vpsrld $(32 - 1), x1 ## 1, x1 ## 1; \
403 vpor x4 ## 1, x1 ## 1, x1 ## 1; \
404 vpslld $3, x0 ## 1, x4 ## 1; \
405 vpxor x2 ## 1, x3 ## 1, x3 ## 1; \
406 vpxor x4 ## 1, x3 ## 1, x3 ## 1; \
407 get_key(i, 1, RK1); \
408 vpslld $1, x1 ## 2, x4 ## 2; \
409 vpsrld $(32 - 1), x1 ## 2, x1 ## 2; \
410 vpor x4 ## 2, x1 ## 2, x1 ## 2; \
411 vpslld $3, x0 ## 2, x4 ## 2; \
412 vpxor x2 ## 2, x3 ## 2, x3 ## 2; \
413 vpxor x4 ## 2, x3 ## 2, x3 ## 2; \
414 get_key(i, 3, RK3); \
415 vpslld $7, x3 ## 1, x4 ## 1; \
416 vpsrld $(32 - 7), x3 ## 1, x3 ## 1; \
417 vpor x4 ## 1, x3 ## 1, x3 ## 1; \
418 vpslld $7, x1 ## 1, x4 ## 1; \
419 vpxor x1 ## 1, x0 ## 1, x0 ## 1; \
420 vpxor x3 ## 1, x0 ## 1, x0 ## 1; \
421 vpxor x3 ## 1, x2 ## 1, x2 ## 1; \
422 vpxor x4 ## 1, x2 ## 1, x2 ## 1; \
423 get_key(i, 0, RK0); \
424 vpslld $7, x3 ## 2, x4 ## 2; \
425 vpsrld $(32 - 7), x3 ## 2, x3 ## 2; \
426 vpor x4 ## 2, x3 ## 2, x3 ## 2; \
427 vpslld $7, x1 ## 2, x4 ## 2; \
428 vpxor x1 ## 2, x0 ## 2, x0 ## 2; \
429 vpxor x3 ## 2, x0 ## 2, x0 ## 2; \
430 vpxor x3 ## 2, x2 ## 2, x2 ## 2; \
431 vpxor x4 ## 2, x2 ## 2, x2 ## 2; \
432 get_key(i, 2, RK2); \
433 vpxor RK1, x1 ## 1, x1 ## 1; \
434 vpxor RK3, x3 ## 1, x3 ## 1; \
435 vpslld $5, x0 ## 1, x4 ## 1; \
436 vpsrld $(32 - 5), x0 ## 1, x0 ## 1; \
437 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
438 vpslld $22, x2 ## 1, x4 ## 1; \
439 vpsrld $(32 - 22), x2 ## 1, x2 ## 1; \
440 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
441 vpxor RK0, x0 ## 1, x0 ## 1; \
442 vpxor RK2, x2 ## 1, x2 ## 1; \
443 vpxor RK1, x1 ## 2, x1 ## 2; \
444 vpxor RK3, x3 ## 2, x3 ## 2; \
445 vpslld $5, x0 ## 2, x4 ## 2; \
446 vpsrld $(32 - 5), x0 ## 2, x0 ## 2; \
447 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
448 vpslld $22, x2 ## 2, x4 ## 2; \
449 vpsrld $(32 - 22), x2 ## 2, x2 ## 2; \
450 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
451 vpxor RK0, x0 ## 2, x0 ## 2; \
452 vpxor RK2, x2 ## 2, x2 ## 2;
453
454#define KL2(x0, x1, x2, x3, x4, i) \
455 vpxor RK0, x0 ## 1, x0 ## 1; \
456 vpxor RK2, x2 ## 1, x2 ## 1; \
457 vpsrld $5, x0 ## 1, x4 ## 1; \
458 vpslld $(32 - 5), x0 ## 1, x0 ## 1; \
459 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
460 vpxor RK3, x3 ## 1, x3 ## 1; \
461 vpxor RK1, x1 ## 1, x1 ## 1; \
462 vpsrld $22, x2 ## 1, x4 ## 1; \
463 vpslld $(32 - 22), x2 ## 1, x2 ## 1; \
464 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
465 vpxor x3 ## 1, x2 ## 1, x2 ## 1; \
466 vpxor RK0, x0 ## 2, x0 ## 2; \
467 vpxor RK2, x2 ## 2, x2 ## 2; \
468 vpsrld $5, x0 ## 2, x4 ## 2; \
469 vpslld $(32 - 5), x0 ## 2, x0 ## 2; \
470 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
471 vpxor RK3, x3 ## 2, x3 ## 2; \
472 vpxor RK1, x1 ## 2, x1 ## 2; \
473 vpsrld $22, x2 ## 2, x4 ## 2; \
474 vpslld $(32 - 22), x2 ## 2, x2 ## 2; \
475 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
476 vpxor x3 ## 2, x2 ## 2, x2 ## 2; \
477 vpxor x3 ## 1, x0 ## 1, x0 ## 1; \
478 vpslld $7, x1 ## 1, x4 ## 1; \
479 vpxor x1 ## 1, x0 ## 1, x0 ## 1; \
480 vpxor x4 ## 1, x2 ## 1, x2 ## 1; \
481 vpsrld $1, x1 ## 1, x4 ## 1; \
482 vpslld $(32 - 1), x1 ## 1, x1 ## 1; \
483 vpor x4 ## 1, x1 ## 1, x1 ## 1; \
484 vpxor x3 ## 2, x0 ## 2, x0 ## 2; \
485 vpslld $7, x1 ## 2, x4 ## 2; \
486 vpxor x1 ## 2, x0 ## 2, x0 ## 2; \
487 vpxor x4 ## 2, x2 ## 2, x2 ## 2; \
488 vpsrld $1, x1 ## 2, x4 ## 2; \
489 vpslld $(32 - 1), x1 ## 2, x1 ## 2; \
490 vpor x4 ## 2, x1 ## 2, x1 ## 2; \
491 vpsrld $7, x3 ## 1, x4 ## 1; \
492 vpslld $(32 - 7), x3 ## 1, x3 ## 1; \
493 vpor x4 ## 1, x3 ## 1, x3 ## 1; \
494 vpxor x0 ## 1, x1 ## 1, x1 ## 1; \
495 vpslld $3, x0 ## 1, x4 ## 1; \
496 vpxor x4 ## 1, x3 ## 1, x3 ## 1; \
497 vpsrld $7, x3 ## 2, x4 ## 2; \
498 vpslld $(32 - 7), x3 ## 2, x3 ## 2; \
499 vpor x4 ## 2, x3 ## 2, x3 ## 2; \
500 vpxor x0 ## 2, x1 ## 2, x1 ## 2; \
501 vpslld $3, x0 ## 2, x4 ## 2; \
502 vpxor x4 ## 2, x3 ## 2, x3 ## 2; \
503 vpsrld $13, x0 ## 1, x4 ## 1; \
504 vpslld $(32 - 13), x0 ## 1, x0 ## 1; \
505 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
506 vpxor x2 ## 1, x1 ## 1, x1 ## 1; \
507 vpxor x2 ## 1, x3 ## 1, x3 ## 1; \
508 vpsrld $3, x2 ## 1, x4 ## 1; \
509 vpslld $(32 - 3), x2 ## 1, x2 ## 1; \
510 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
511 vpsrld $13, x0 ## 2, x4 ## 2; \
512 vpslld $(32 - 13), x0 ## 2, x0 ## 2; \
513 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
514 vpxor x2 ## 2, x1 ## 2, x1 ## 2; \
515 vpxor x2 ## 2, x3 ## 2, x3 ## 2; \
516 vpsrld $3, x2 ## 2, x4 ## 2; \
517 vpslld $(32 - 3), x2 ## 2, x2 ## 2; \
518 vpor x4 ## 2, x2 ## 2, x2 ## 2;
519
520#define S(SBOX, x0, x1, x2, x3, x4) \
521 SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
522 SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
523 SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
524 SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2);
525
526#define SP(SBOX, x0, x1, x2, x3, x4, i) \
527 get_key(i, 0, RK0); \
528 SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
529 get_key(i, 2, RK2); \
530 SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
531 get_key(i, 3, RK3); \
532 SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
533 get_key(i, 1, RK1); \
534 SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
535
536#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
537 vpunpckldq x1, x0, t0; \
538 vpunpckhdq x1, x0, t2; \
539 vpunpckldq x3, x2, t1; \
540 vpunpckhdq x3, x2, x3; \
541 \
542 vpunpcklqdq t1, t0, x0; \
543 vpunpckhqdq t1, t0, x1; \
544 vpunpcklqdq x3, t2, x2; \
545 vpunpckhqdq x3, t2, x3;
546
547#define read_blocks(x0, x1, x2, x3, t0, t1, t2) \
548 transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
549
550#define write_blocks(x0, x1, x2, x3, t0, t1, t2) \
551 transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
552
553SYM_FUNC_START_LOCAL(__serpent_enc_blk16)
554 /* input:
555 * %rdi: ctx, CTX
556 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: plaintext
557 * output:
558 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
559 */
560
561 vpcmpeqd RNOT, RNOT, RNOT;
562
563 read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
564 read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
565
566 K2(RA, RB, RC, RD, RE, 0);
567 S(S0, RA, RB, RC, RD, RE); LK2(RC, RB, RD, RA, RE, 1);
568 S(S1, RC, RB, RD, RA, RE); LK2(RE, RD, RA, RC, RB, 2);
569 S(S2, RE, RD, RA, RC, RB); LK2(RB, RD, RE, RC, RA, 3);
570 S(S3, RB, RD, RE, RC, RA); LK2(RC, RA, RD, RB, RE, 4);
571 S(S4, RC, RA, RD, RB, RE); LK2(RA, RD, RB, RE, RC, 5);
572 S(S5, RA, RD, RB, RE, RC); LK2(RC, RA, RD, RE, RB, 6);
573 S(S6, RC, RA, RD, RE, RB); LK2(RD, RB, RA, RE, RC, 7);
574 S(S7, RD, RB, RA, RE, RC); LK2(RC, RA, RE, RD, RB, 8);
575 S(S0, RC, RA, RE, RD, RB); LK2(RE, RA, RD, RC, RB, 9);
576 S(S1, RE, RA, RD, RC, RB); LK2(RB, RD, RC, RE, RA, 10);
577 S(S2, RB, RD, RC, RE, RA); LK2(RA, RD, RB, RE, RC, 11);
578 S(S3, RA, RD, RB, RE, RC); LK2(RE, RC, RD, RA, RB, 12);
579 S(S4, RE, RC, RD, RA, RB); LK2(RC, RD, RA, RB, RE, 13);
580 S(S5, RC, RD, RA, RB, RE); LK2(RE, RC, RD, RB, RA, 14);
581 S(S6, RE, RC, RD, RB, RA); LK2(RD, RA, RC, RB, RE, 15);
582 S(S7, RD, RA, RC, RB, RE); LK2(RE, RC, RB, RD, RA, 16);
583 S(S0, RE, RC, RB, RD, RA); LK2(RB, RC, RD, RE, RA, 17);
584 S(S1, RB, RC, RD, RE, RA); LK2(RA, RD, RE, RB, RC, 18);
585 S(S2, RA, RD, RE, RB, RC); LK2(RC, RD, RA, RB, RE, 19);
586 S(S3, RC, RD, RA, RB, RE); LK2(RB, RE, RD, RC, RA, 20);
587 S(S4, RB, RE, RD, RC, RA); LK2(RE, RD, RC, RA, RB, 21);
588 S(S5, RE, RD, RC, RA, RB); LK2(RB, RE, RD, RA, RC, 22);
589 S(S6, RB, RE, RD, RA, RC); LK2(RD, RC, RE, RA, RB, 23);
590 S(S7, RD, RC, RE, RA, RB); LK2(RB, RE, RA, RD, RC, 24);
591 S(S0, RB, RE, RA, RD, RC); LK2(RA, RE, RD, RB, RC, 25);
592 S(S1, RA, RE, RD, RB, RC); LK2(RC, RD, RB, RA, RE, 26);
593 S(S2, RC, RD, RB, RA, RE); LK2(RE, RD, RC, RA, RB, 27);
594 S(S3, RE, RD, RC, RA, RB); LK2(RA, RB, RD, RE, RC, 28);
595 S(S4, RA, RB, RD, RE, RC); LK2(RB, RD, RE, RC, RA, 29);
596 S(S5, RB, RD, RE, RC, RA); LK2(RA, RB, RD, RC, RE, 30);
597 S(S6, RA, RB, RD, RC, RE); LK2(RD, RE, RB, RC, RA, 31);
598 S(S7, RD, RE, RB, RC, RA); K2(RA, RB, RC, RD, RE, 32);
599
600 write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
601 write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
602
603 RET;
604SYM_FUNC_END(__serpent_enc_blk16)
605
606SYM_FUNC_START_LOCAL(__serpent_dec_blk16)
607 /* input:
608 * %rdi: ctx, CTX
609 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
610 * output:
611 * RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2: plaintext
612 */
613
614 vpcmpeqd RNOT, RNOT, RNOT;
615
616 read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
617 read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
618
619 K2(RA, RB, RC, RD, RE, 32);
620 SP(SI7, RA, RB, RC, RD, RE, 31); KL2(RB, RD, RA, RE, RC, 31);
621 SP(SI6, RB, RD, RA, RE, RC, 30); KL2(RA, RC, RE, RB, RD, 30);
622 SP(SI5, RA, RC, RE, RB, RD, 29); KL2(RC, RD, RA, RE, RB, 29);
623 SP(SI4, RC, RD, RA, RE, RB, 28); KL2(RC, RA, RB, RE, RD, 28);
624 SP(SI3, RC, RA, RB, RE, RD, 27); KL2(RB, RC, RD, RE, RA, 27);
625 SP(SI2, RB, RC, RD, RE, RA, 26); KL2(RC, RA, RE, RD, RB, 26);
626 SP(SI1, RC, RA, RE, RD, RB, 25); KL2(RB, RA, RE, RD, RC, 25);
627 SP(SI0, RB, RA, RE, RD, RC, 24); KL2(RE, RC, RA, RB, RD, 24);
628 SP(SI7, RE, RC, RA, RB, RD, 23); KL2(RC, RB, RE, RD, RA, 23);
629 SP(SI6, RC, RB, RE, RD, RA, 22); KL2(RE, RA, RD, RC, RB, 22);
630 SP(SI5, RE, RA, RD, RC, RB, 21); KL2(RA, RB, RE, RD, RC, 21);
631 SP(SI4, RA, RB, RE, RD, RC, 20); KL2(RA, RE, RC, RD, RB, 20);
632 SP(SI3, RA, RE, RC, RD, RB, 19); KL2(RC, RA, RB, RD, RE, 19);
633 SP(SI2, RC, RA, RB, RD, RE, 18); KL2(RA, RE, RD, RB, RC, 18);
634 SP(SI1, RA, RE, RD, RB, RC, 17); KL2(RC, RE, RD, RB, RA, 17);
635 SP(SI0, RC, RE, RD, RB, RA, 16); KL2(RD, RA, RE, RC, RB, 16);
636 SP(SI7, RD, RA, RE, RC, RB, 15); KL2(RA, RC, RD, RB, RE, 15);
637 SP(SI6, RA, RC, RD, RB, RE, 14); KL2(RD, RE, RB, RA, RC, 14);
638 SP(SI5, RD, RE, RB, RA, RC, 13); KL2(RE, RC, RD, RB, RA, 13);
639 SP(SI4, RE, RC, RD, RB, RA, 12); KL2(RE, RD, RA, RB, RC, 12);
640 SP(SI3, RE, RD, RA, RB, RC, 11); KL2(RA, RE, RC, RB, RD, 11);
641 SP(SI2, RA, RE, RC, RB, RD, 10); KL2(RE, RD, RB, RC, RA, 10);
642 SP(SI1, RE, RD, RB, RC, RA, 9); KL2(RA, RD, RB, RC, RE, 9);
643 SP(SI0, RA, RD, RB, RC, RE, 8); KL2(RB, RE, RD, RA, RC, 8);
644 SP(SI7, RB, RE, RD, RA, RC, 7); KL2(RE, RA, RB, RC, RD, 7);
645 SP(SI6, RE, RA, RB, RC, RD, 6); KL2(RB, RD, RC, RE, RA, 6);
646 SP(SI5, RB, RD, RC, RE, RA, 5); KL2(RD, RA, RB, RC, RE, 5);
647 SP(SI4, RD, RA, RB, RC, RE, 4); KL2(RD, RB, RE, RC, RA, 4);
648 SP(SI3, RD, RB, RE, RC, RA, 3); KL2(RE, RD, RA, RC, RB, 3);
649 SP(SI2, RE, RD, RA, RC, RB, 2); KL2(RD, RB, RC, RA, RE, 2);
650 SP(SI1, RD, RB, RC, RA, RE, 1); KL2(RE, RB, RC, RA, RD, 1);
651 S(SI0, RE, RB, RC, RA, RD); K2(RC, RD, RB, RE, RA, 0);
652
653 write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
654 write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
655
656 RET;
657SYM_FUNC_END(__serpent_dec_blk16)
658
659SYM_FUNC_START(serpent_ecb_enc_16way)
660 /* input:
661 * %rdi: ctx, CTX
662 * %rsi: dst
663 * %rdx: src
664 */
665 FRAME_BEGIN
666
667 vzeroupper;
668
669 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
670
671 call __serpent_enc_blk16;
672
673 store_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
674
675 vzeroupper;
676
677 FRAME_END
678 RET;
679SYM_FUNC_END(serpent_ecb_enc_16way)
680
681SYM_FUNC_START(serpent_ecb_dec_16way)
682 /* input:
683 * %rdi: ctx, CTX
684 * %rsi: dst
685 * %rdx: src
686 */
687 FRAME_BEGIN
688
689 vzeroupper;
690
691 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
692
693 call __serpent_dec_blk16;
694
695 store_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
696
697 vzeroupper;
698
699 FRAME_END
700 RET;
701SYM_FUNC_END(serpent_ecb_dec_16way)
702
703SYM_FUNC_START(serpent_cbc_dec_16way)
704 /* input:
705 * %rdi: ctx, CTX
706 * %rsi: dst
707 * %rdx: src
708 */
709 FRAME_BEGIN
710
711 vzeroupper;
712
713 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
714
715 call __serpent_dec_blk16;
716
717 store_cbc_16way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2,
718 RK0);
719
720 vzeroupper;
721
722 FRAME_END
723 RET;
724SYM_FUNC_END(serpent_cbc_dec_16way)
1/*
2 * x86_64/AVX2 assembler optimized version of Serpent
3 *
4 * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
5 *
6 * Based on AVX assembler implementation of Serpent by:
7 * Copyright © 2012 Johannes Goetzfried
8 * <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 */
16
17#include <linux/linkage.h>
18#include <asm/frame.h>
19#include "glue_helper-asm-avx2.S"
20
21.file "serpent-avx2-asm_64.S"
22
23.data
24.align 16
25
26.Lbswap128_mask:
27 .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
28.Lxts_gf128mul_and_shl1_mask_0:
29 .byte 0x87, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0
30.Lxts_gf128mul_and_shl1_mask_1:
31 .byte 0x0e, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0
32
33.text
34
35#define CTX %rdi
36
37#define RNOT %ymm0
38#define tp %ymm1
39
40#define RA1 %ymm2
41#define RA2 %ymm3
42#define RB1 %ymm4
43#define RB2 %ymm5
44#define RC1 %ymm6
45#define RC2 %ymm7
46#define RD1 %ymm8
47#define RD2 %ymm9
48#define RE1 %ymm10
49#define RE2 %ymm11
50
51#define RK0 %ymm12
52#define RK1 %ymm13
53#define RK2 %ymm14
54#define RK3 %ymm15
55
56#define RK0x %xmm12
57#define RK1x %xmm13
58#define RK2x %xmm14
59#define RK3x %xmm15
60
61#define S0_1(x0, x1, x2, x3, x4) \
62 vpor x0, x3, tp; \
63 vpxor x3, x0, x0; \
64 vpxor x2, x3, x4; \
65 vpxor RNOT, x4, x4; \
66 vpxor x1, tp, x3; \
67 vpand x0, x1, x1; \
68 vpxor x4, x1, x1; \
69 vpxor x0, x2, x2;
70#define S0_2(x0, x1, x2, x3, x4) \
71 vpxor x3, x0, x0; \
72 vpor x0, x4, x4; \
73 vpxor x2, x0, x0; \
74 vpand x1, x2, x2; \
75 vpxor x2, x3, x3; \
76 vpxor RNOT, x1, x1; \
77 vpxor x4, x2, x2; \
78 vpxor x2, x1, x1;
79
80#define S1_1(x0, x1, x2, x3, x4) \
81 vpxor x0, x1, tp; \
82 vpxor x3, x0, x0; \
83 vpxor RNOT, x3, x3; \
84 vpand tp, x1, x4; \
85 vpor tp, x0, x0; \
86 vpxor x2, x3, x3; \
87 vpxor x3, x0, x0; \
88 vpxor x3, tp, x1;
89#define S1_2(x0, x1, x2, x3, x4) \
90 vpxor x4, x3, x3; \
91 vpor x4, x1, x1; \
92 vpxor x2, x4, x4; \
93 vpand x0, x2, x2; \
94 vpxor x1, x2, x2; \
95 vpor x0, x1, x1; \
96 vpxor RNOT, x0, x0; \
97 vpxor x2, x0, x0; \
98 vpxor x1, x4, x4;
99
100#define S2_1(x0, x1, x2, x3, x4) \
101 vpxor RNOT, x3, x3; \
102 vpxor x0, x1, x1; \
103 vpand x2, x0, tp; \
104 vpxor x3, tp, tp; \
105 vpor x0, x3, x3; \
106 vpxor x1, x2, x2; \
107 vpxor x1, x3, x3; \
108 vpand tp, x1, x1;
109#define S2_2(x0, x1, x2, x3, x4) \
110 vpxor x2, tp, tp; \
111 vpand x3, x2, x2; \
112 vpor x1, x3, x3; \
113 vpxor RNOT, tp, tp; \
114 vpxor tp, x3, x3; \
115 vpxor tp, x0, x4; \
116 vpxor x2, tp, x0; \
117 vpor x2, x1, x1;
118
119#define S3_1(x0, x1, x2, x3, x4) \
120 vpxor x3, x1, tp; \
121 vpor x0, x3, x3; \
122 vpand x0, x1, x4; \
123 vpxor x2, x0, x0; \
124 vpxor tp, x2, x2; \
125 vpand x3, tp, x1; \
126 vpxor x3, x2, x2; \
127 vpor x4, x0, x0; \
128 vpxor x3, x4, x4;
129#define S3_2(x0, x1, x2, x3, x4) \
130 vpxor x0, x1, x1; \
131 vpand x3, x0, x0; \
132 vpand x4, x3, x3; \
133 vpxor x2, x3, x3; \
134 vpor x1, x4, x4; \
135 vpand x1, x2, x2; \
136 vpxor x3, x4, x4; \
137 vpxor x3, x0, x0; \
138 vpxor x2, x3, x3;
139
140#define S4_1(x0, x1, x2, x3, x4) \
141 vpand x0, x3, tp; \
142 vpxor x3, x0, x0; \
143 vpxor x2, tp, tp; \
144 vpor x3, x2, x2; \
145 vpxor x1, x0, x0; \
146 vpxor tp, x3, x4; \
147 vpor x0, x2, x2; \
148 vpxor x1, x2, x2;
149#define S4_2(x0, x1, x2, x3, x4) \
150 vpand x0, x1, x1; \
151 vpxor x4, x1, x1; \
152 vpand x2, x4, x4; \
153 vpxor tp, x2, x2; \
154 vpxor x0, x4, x4; \
155 vpor x1, tp, x3; \
156 vpxor RNOT, x1, x1; \
157 vpxor x0, x3, x3;
158
159#define S5_1(x0, x1, x2, x3, x4) \
160 vpor x0, x1, tp; \
161 vpxor tp, x2, x2; \
162 vpxor RNOT, x3, x3; \
163 vpxor x0, x1, x4; \
164 vpxor x2, x0, x0; \
165 vpand x4, tp, x1; \
166 vpor x3, x4, x4; \
167 vpxor x0, x4, x4;
168#define S5_2(x0, x1, x2, x3, x4) \
169 vpand x3, x0, x0; \
170 vpxor x3, x1, x1; \
171 vpxor x2, x3, x3; \
172 vpxor x1, x0, x0; \
173 vpand x4, x2, x2; \
174 vpxor x2, x1, x1; \
175 vpand x0, x2, x2; \
176 vpxor x2, x3, x3;
177
178#define S6_1(x0, x1, x2, x3, x4) \
179 vpxor x0, x3, x3; \
180 vpxor x2, x1, tp; \
181 vpxor x0, x2, x2; \
182 vpand x3, x0, x0; \
183 vpor x3, tp, tp; \
184 vpxor RNOT, x1, x4; \
185 vpxor tp, x0, x0; \
186 vpxor x2, tp, x1;
187#define S6_2(x0, x1, x2, x3, x4) \
188 vpxor x4, x3, x3; \
189 vpxor x0, x4, x4; \
190 vpand x0, x2, x2; \
191 vpxor x1, x4, x4; \
192 vpxor x3, x2, x2; \
193 vpand x1, x3, x3; \
194 vpxor x0, x3, x3; \
195 vpxor x2, x1, x1;
196
197#define S7_1(x0, x1, x2, x3, x4) \
198 vpxor RNOT, x1, tp; \
199 vpxor RNOT, x0, x0; \
200 vpand x2, tp, x1; \
201 vpxor x3, x1, x1; \
202 vpor tp, x3, x3; \
203 vpxor x2, tp, x4; \
204 vpxor x3, x2, x2; \
205 vpxor x0, x3, x3; \
206 vpor x1, x0, x0;
207#define S7_2(x0, x1, x2, x3, x4) \
208 vpand x0, x2, x2; \
209 vpxor x4, x0, x0; \
210 vpxor x3, x4, x4; \
211 vpand x0, x3, x3; \
212 vpxor x1, x4, x4; \
213 vpxor x4, x2, x2; \
214 vpxor x1, x3, x3; \
215 vpor x0, x4, x4; \
216 vpxor x1, x4, x4;
217
218#define SI0_1(x0, x1, x2, x3, x4) \
219 vpxor x0, x1, x1; \
220 vpor x1, x3, tp; \
221 vpxor x1, x3, x4; \
222 vpxor RNOT, x0, x0; \
223 vpxor tp, x2, x2; \
224 vpxor x0, tp, x3; \
225 vpand x1, x0, x0; \
226 vpxor x2, x0, x0;
227#define SI0_2(x0, x1, x2, x3, x4) \
228 vpand x3, x2, x2; \
229 vpxor x4, x3, x3; \
230 vpxor x3, x2, x2; \
231 vpxor x3, x1, x1; \
232 vpand x0, x3, x3; \
233 vpxor x0, x1, x1; \
234 vpxor x2, x0, x0; \
235 vpxor x3, x4, x4;
236
237#define SI1_1(x0, x1, x2, x3, x4) \
238 vpxor x3, x1, x1; \
239 vpxor x2, x0, tp; \
240 vpxor RNOT, x2, x2; \
241 vpor x1, x0, x4; \
242 vpxor x3, x4, x4; \
243 vpand x1, x3, x3; \
244 vpxor x2, x1, x1; \
245 vpand x4, x2, x2;
246#define SI1_2(x0, x1, x2, x3, x4) \
247 vpxor x1, x4, x4; \
248 vpor x3, x1, x1; \
249 vpxor tp, x3, x3; \
250 vpxor tp, x2, x2; \
251 vpor x4, tp, x0; \
252 vpxor x4, x2, x2; \
253 vpxor x0, x1, x1; \
254 vpxor x1, x4, x4;
255
256#define SI2_1(x0, x1, x2, x3, x4) \
257 vpxor x1, x2, x2; \
258 vpxor RNOT, x3, tp; \
259 vpor x2, tp, tp; \
260 vpxor x3, x2, x2; \
261 vpxor x0, x3, x4; \
262 vpxor x1, tp, x3; \
263 vpor x2, x1, x1; \
264 vpxor x0, x2, x2;
265#define SI2_2(x0, x1, x2, x3, x4) \
266 vpxor x4, x1, x1; \
267 vpor x3, x4, x4; \
268 vpxor x3, x2, x2; \
269 vpxor x2, x4, x4; \
270 vpand x1, x2, x2; \
271 vpxor x3, x2, x2; \
272 vpxor x4, x3, x3; \
273 vpxor x0, x4, x4;
274
275#define SI3_1(x0, x1, x2, x3, x4) \
276 vpxor x1, x2, x2; \
277 vpand x2, x1, tp; \
278 vpxor x0, tp, tp; \
279 vpor x1, x0, x0; \
280 vpxor x3, x1, x4; \
281 vpxor x3, x0, x0; \
282 vpor tp, x3, x3; \
283 vpxor x2, tp, x1;
284#define SI3_2(x0, x1, x2, x3, x4) \
285 vpxor x3, x1, x1; \
286 vpxor x2, x0, x0; \
287 vpxor x3, x2, x2; \
288 vpand x1, x3, x3; \
289 vpxor x0, x1, x1; \
290 vpand x2, x0, x0; \
291 vpxor x3, x4, x4; \
292 vpxor x0, x3, x3; \
293 vpxor x1, x0, x0;
294
295#define SI4_1(x0, x1, x2, x3, x4) \
296 vpxor x3, x2, x2; \
297 vpand x1, x0, tp; \
298 vpxor x2, tp, tp; \
299 vpor x3, x2, x2; \
300 vpxor RNOT, x0, x4; \
301 vpxor tp, x1, x1; \
302 vpxor x2, tp, x0; \
303 vpand x4, x2, x2;
304#define SI4_2(x0, x1, x2, x3, x4) \
305 vpxor x0, x2, x2; \
306 vpor x4, x0, x0; \
307 vpxor x3, x0, x0; \
308 vpand x2, x3, x3; \
309 vpxor x3, x4, x4; \
310 vpxor x1, x3, x3; \
311 vpand x0, x1, x1; \
312 vpxor x1, x4, x4; \
313 vpxor x3, x0, x0;
314
315#define SI5_1(x0, x1, x2, x3, x4) \
316 vpor x2, x1, tp; \
317 vpxor x1, x2, x2; \
318 vpxor x3, tp, tp; \
319 vpand x1, x3, x3; \
320 vpxor x3, x2, x2; \
321 vpor x0, x3, x3; \
322 vpxor RNOT, x0, x0; \
323 vpxor x2, x3, x3; \
324 vpor x0, x2, x2;
325#define SI5_2(x0, x1, x2, x3, x4) \
326 vpxor tp, x1, x4; \
327 vpxor x4, x2, x2; \
328 vpand x0, x4, x4; \
329 vpxor tp, x0, x0; \
330 vpxor x3, tp, x1; \
331 vpand x2, x0, x0; \
332 vpxor x3, x2, x2; \
333 vpxor x2, x0, x0; \
334 vpxor x4, x2, x2; \
335 vpxor x3, x4, x4;
336
337#define SI6_1(x0, x1, x2, x3, x4) \
338 vpxor x2, x0, x0; \
339 vpand x3, x0, tp; \
340 vpxor x3, x2, x2; \
341 vpxor x2, tp, tp; \
342 vpxor x1, x3, x3; \
343 vpor x0, x2, x2; \
344 vpxor x3, x2, x2; \
345 vpand tp, x3, x3;
346#define SI6_2(x0, x1, x2, x3, x4) \
347 vpxor RNOT, tp, tp; \
348 vpxor x1, x3, x3; \
349 vpand x2, x1, x1; \
350 vpxor tp, x0, x4; \
351 vpxor x4, x3, x3; \
352 vpxor x2, x4, x4; \
353 vpxor x1, tp, x0; \
354 vpxor x0, x2, x2;
355
356#define SI7_1(x0, x1, x2, x3, x4) \
357 vpand x0, x3, tp; \
358 vpxor x2, x0, x0; \
359 vpor x3, x2, x2; \
360 vpxor x1, x3, x4; \
361 vpxor RNOT, x0, x0; \
362 vpor tp, x1, x1; \
363 vpxor x0, x4, x4; \
364 vpand x2, x0, x0; \
365 vpxor x1, x0, x0;
366#define SI7_2(x0, x1, x2, x3, x4) \
367 vpand x2, x1, x1; \
368 vpxor x2, tp, x3; \
369 vpxor x3, x4, x4; \
370 vpand x3, x2, x2; \
371 vpor x0, x3, x3; \
372 vpxor x4, x1, x1; \
373 vpxor x4, x3, x3; \
374 vpand x0, x4, x4; \
375 vpxor x2, x4, x4;
376
377#define get_key(i,j,t) \
378 vpbroadcastd (4*(i)+(j))*4(CTX), t;
379
380#define K2(x0, x1, x2, x3, x4, i) \
381 get_key(i, 0, RK0); \
382 get_key(i, 1, RK1); \
383 get_key(i, 2, RK2); \
384 get_key(i, 3, RK3); \
385 vpxor RK0, x0 ## 1, x0 ## 1; \
386 vpxor RK1, x1 ## 1, x1 ## 1; \
387 vpxor RK2, x2 ## 1, x2 ## 1; \
388 vpxor RK3, x3 ## 1, x3 ## 1; \
389 vpxor RK0, x0 ## 2, x0 ## 2; \
390 vpxor RK1, x1 ## 2, x1 ## 2; \
391 vpxor RK2, x2 ## 2, x2 ## 2; \
392 vpxor RK3, x3 ## 2, x3 ## 2;
393
394#define LK2(x0, x1, x2, x3, x4, i) \
395 vpslld $13, x0 ## 1, x4 ## 1; \
396 vpsrld $(32 - 13), x0 ## 1, x0 ## 1; \
397 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
398 vpxor x0 ## 1, x1 ## 1, x1 ## 1; \
399 vpslld $3, x2 ## 1, x4 ## 1; \
400 vpsrld $(32 - 3), x2 ## 1, x2 ## 1; \
401 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
402 vpxor x2 ## 1, x1 ## 1, x1 ## 1; \
403 vpslld $13, x0 ## 2, x4 ## 2; \
404 vpsrld $(32 - 13), x0 ## 2, x0 ## 2; \
405 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
406 vpxor x0 ## 2, x1 ## 2, x1 ## 2; \
407 vpslld $3, x2 ## 2, x4 ## 2; \
408 vpsrld $(32 - 3), x2 ## 2, x2 ## 2; \
409 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
410 vpxor x2 ## 2, x1 ## 2, x1 ## 2; \
411 vpslld $1, x1 ## 1, x4 ## 1; \
412 vpsrld $(32 - 1), x1 ## 1, x1 ## 1; \
413 vpor x4 ## 1, x1 ## 1, x1 ## 1; \
414 vpslld $3, x0 ## 1, x4 ## 1; \
415 vpxor x2 ## 1, x3 ## 1, x3 ## 1; \
416 vpxor x4 ## 1, x3 ## 1, x3 ## 1; \
417 get_key(i, 1, RK1); \
418 vpslld $1, x1 ## 2, x4 ## 2; \
419 vpsrld $(32 - 1), x1 ## 2, x1 ## 2; \
420 vpor x4 ## 2, x1 ## 2, x1 ## 2; \
421 vpslld $3, x0 ## 2, x4 ## 2; \
422 vpxor x2 ## 2, x3 ## 2, x3 ## 2; \
423 vpxor x4 ## 2, x3 ## 2, x3 ## 2; \
424 get_key(i, 3, RK3); \
425 vpslld $7, x3 ## 1, x4 ## 1; \
426 vpsrld $(32 - 7), x3 ## 1, x3 ## 1; \
427 vpor x4 ## 1, x3 ## 1, x3 ## 1; \
428 vpslld $7, x1 ## 1, x4 ## 1; \
429 vpxor x1 ## 1, x0 ## 1, x0 ## 1; \
430 vpxor x3 ## 1, x0 ## 1, x0 ## 1; \
431 vpxor x3 ## 1, x2 ## 1, x2 ## 1; \
432 vpxor x4 ## 1, x2 ## 1, x2 ## 1; \
433 get_key(i, 0, RK0); \
434 vpslld $7, x3 ## 2, x4 ## 2; \
435 vpsrld $(32 - 7), x3 ## 2, x3 ## 2; \
436 vpor x4 ## 2, x3 ## 2, x3 ## 2; \
437 vpslld $7, x1 ## 2, x4 ## 2; \
438 vpxor x1 ## 2, x0 ## 2, x0 ## 2; \
439 vpxor x3 ## 2, x0 ## 2, x0 ## 2; \
440 vpxor x3 ## 2, x2 ## 2, x2 ## 2; \
441 vpxor x4 ## 2, x2 ## 2, x2 ## 2; \
442 get_key(i, 2, RK2); \
443 vpxor RK1, x1 ## 1, x1 ## 1; \
444 vpxor RK3, x3 ## 1, x3 ## 1; \
445 vpslld $5, x0 ## 1, x4 ## 1; \
446 vpsrld $(32 - 5), x0 ## 1, x0 ## 1; \
447 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
448 vpslld $22, x2 ## 1, x4 ## 1; \
449 vpsrld $(32 - 22), x2 ## 1, x2 ## 1; \
450 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
451 vpxor RK0, x0 ## 1, x0 ## 1; \
452 vpxor RK2, x2 ## 1, x2 ## 1; \
453 vpxor RK1, x1 ## 2, x1 ## 2; \
454 vpxor RK3, x3 ## 2, x3 ## 2; \
455 vpslld $5, x0 ## 2, x4 ## 2; \
456 vpsrld $(32 - 5), x0 ## 2, x0 ## 2; \
457 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
458 vpslld $22, x2 ## 2, x4 ## 2; \
459 vpsrld $(32 - 22), x2 ## 2, x2 ## 2; \
460 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
461 vpxor RK0, x0 ## 2, x0 ## 2; \
462 vpxor RK2, x2 ## 2, x2 ## 2;
463
464#define KL2(x0, x1, x2, x3, x4, i) \
465 vpxor RK0, x0 ## 1, x0 ## 1; \
466 vpxor RK2, x2 ## 1, x2 ## 1; \
467 vpsrld $5, x0 ## 1, x4 ## 1; \
468 vpslld $(32 - 5), x0 ## 1, x0 ## 1; \
469 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
470 vpxor RK3, x3 ## 1, x3 ## 1; \
471 vpxor RK1, x1 ## 1, x1 ## 1; \
472 vpsrld $22, x2 ## 1, x4 ## 1; \
473 vpslld $(32 - 22), x2 ## 1, x2 ## 1; \
474 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
475 vpxor x3 ## 1, x2 ## 1, x2 ## 1; \
476 vpxor RK0, x0 ## 2, x0 ## 2; \
477 vpxor RK2, x2 ## 2, x2 ## 2; \
478 vpsrld $5, x0 ## 2, x4 ## 2; \
479 vpslld $(32 - 5), x0 ## 2, x0 ## 2; \
480 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
481 vpxor RK3, x3 ## 2, x3 ## 2; \
482 vpxor RK1, x1 ## 2, x1 ## 2; \
483 vpsrld $22, x2 ## 2, x4 ## 2; \
484 vpslld $(32 - 22), x2 ## 2, x2 ## 2; \
485 vpor x4 ## 2, x2 ## 2, x2 ## 2; \
486 vpxor x3 ## 2, x2 ## 2, x2 ## 2; \
487 vpxor x3 ## 1, x0 ## 1, x0 ## 1; \
488 vpslld $7, x1 ## 1, x4 ## 1; \
489 vpxor x1 ## 1, x0 ## 1, x0 ## 1; \
490 vpxor x4 ## 1, x2 ## 1, x2 ## 1; \
491 vpsrld $1, x1 ## 1, x4 ## 1; \
492 vpslld $(32 - 1), x1 ## 1, x1 ## 1; \
493 vpor x4 ## 1, x1 ## 1, x1 ## 1; \
494 vpxor x3 ## 2, x0 ## 2, x0 ## 2; \
495 vpslld $7, x1 ## 2, x4 ## 2; \
496 vpxor x1 ## 2, x0 ## 2, x0 ## 2; \
497 vpxor x4 ## 2, x2 ## 2, x2 ## 2; \
498 vpsrld $1, x1 ## 2, x4 ## 2; \
499 vpslld $(32 - 1), x1 ## 2, x1 ## 2; \
500 vpor x4 ## 2, x1 ## 2, x1 ## 2; \
501 vpsrld $7, x3 ## 1, x4 ## 1; \
502 vpslld $(32 - 7), x3 ## 1, x3 ## 1; \
503 vpor x4 ## 1, x3 ## 1, x3 ## 1; \
504 vpxor x0 ## 1, x1 ## 1, x1 ## 1; \
505 vpslld $3, x0 ## 1, x4 ## 1; \
506 vpxor x4 ## 1, x3 ## 1, x3 ## 1; \
507 vpsrld $7, x3 ## 2, x4 ## 2; \
508 vpslld $(32 - 7), x3 ## 2, x3 ## 2; \
509 vpor x4 ## 2, x3 ## 2, x3 ## 2; \
510 vpxor x0 ## 2, x1 ## 2, x1 ## 2; \
511 vpslld $3, x0 ## 2, x4 ## 2; \
512 vpxor x4 ## 2, x3 ## 2, x3 ## 2; \
513 vpsrld $13, x0 ## 1, x4 ## 1; \
514 vpslld $(32 - 13), x0 ## 1, x0 ## 1; \
515 vpor x4 ## 1, x0 ## 1, x0 ## 1; \
516 vpxor x2 ## 1, x1 ## 1, x1 ## 1; \
517 vpxor x2 ## 1, x3 ## 1, x3 ## 1; \
518 vpsrld $3, x2 ## 1, x4 ## 1; \
519 vpslld $(32 - 3), x2 ## 1, x2 ## 1; \
520 vpor x4 ## 1, x2 ## 1, x2 ## 1; \
521 vpsrld $13, x0 ## 2, x4 ## 2; \
522 vpslld $(32 - 13), x0 ## 2, x0 ## 2; \
523 vpor x4 ## 2, x0 ## 2, x0 ## 2; \
524 vpxor x2 ## 2, x1 ## 2, x1 ## 2; \
525 vpxor x2 ## 2, x3 ## 2, x3 ## 2; \
526 vpsrld $3, x2 ## 2, x4 ## 2; \
527 vpslld $(32 - 3), x2 ## 2, x2 ## 2; \
528 vpor x4 ## 2, x2 ## 2, x2 ## 2;
529
530#define S(SBOX, x0, x1, x2, x3, x4) \
531 SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
532 SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
533 SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
534 SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2);
535
536#define SP(SBOX, x0, x1, x2, x3, x4, i) \
537 get_key(i, 0, RK0); \
538 SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
539 get_key(i, 2, RK2); \
540 SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
541 get_key(i, 3, RK3); \
542 SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
543 get_key(i, 1, RK1); \
544 SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
545
546#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
547 vpunpckldq x1, x0, t0; \
548 vpunpckhdq x1, x0, t2; \
549 vpunpckldq x3, x2, t1; \
550 vpunpckhdq x3, x2, x3; \
551 \
552 vpunpcklqdq t1, t0, x0; \
553 vpunpckhqdq t1, t0, x1; \
554 vpunpcklqdq x3, t2, x2; \
555 vpunpckhqdq x3, t2, x3;
556
557#define read_blocks(x0, x1, x2, x3, t0, t1, t2) \
558 transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
559
560#define write_blocks(x0, x1, x2, x3, t0, t1, t2) \
561 transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
562
563.align 8
564__serpent_enc_blk16:
565 /* input:
566 * %rdi: ctx, CTX
567 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: plaintext
568 * output:
569 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
570 */
571
572 vpcmpeqd RNOT, RNOT, RNOT;
573
574 read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
575 read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
576
577 K2(RA, RB, RC, RD, RE, 0);
578 S(S0, RA, RB, RC, RD, RE); LK2(RC, RB, RD, RA, RE, 1);
579 S(S1, RC, RB, RD, RA, RE); LK2(RE, RD, RA, RC, RB, 2);
580 S(S2, RE, RD, RA, RC, RB); LK2(RB, RD, RE, RC, RA, 3);
581 S(S3, RB, RD, RE, RC, RA); LK2(RC, RA, RD, RB, RE, 4);
582 S(S4, RC, RA, RD, RB, RE); LK2(RA, RD, RB, RE, RC, 5);
583 S(S5, RA, RD, RB, RE, RC); LK2(RC, RA, RD, RE, RB, 6);
584 S(S6, RC, RA, RD, RE, RB); LK2(RD, RB, RA, RE, RC, 7);
585 S(S7, RD, RB, RA, RE, RC); LK2(RC, RA, RE, RD, RB, 8);
586 S(S0, RC, RA, RE, RD, RB); LK2(RE, RA, RD, RC, RB, 9);
587 S(S1, RE, RA, RD, RC, RB); LK2(RB, RD, RC, RE, RA, 10);
588 S(S2, RB, RD, RC, RE, RA); LK2(RA, RD, RB, RE, RC, 11);
589 S(S3, RA, RD, RB, RE, RC); LK2(RE, RC, RD, RA, RB, 12);
590 S(S4, RE, RC, RD, RA, RB); LK2(RC, RD, RA, RB, RE, 13);
591 S(S5, RC, RD, RA, RB, RE); LK2(RE, RC, RD, RB, RA, 14);
592 S(S6, RE, RC, RD, RB, RA); LK2(RD, RA, RC, RB, RE, 15);
593 S(S7, RD, RA, RC, RB, RE); LK2(RE, RC, RB, RD, RA, 16);
594 S(S0, RE, RC, RB, RD, RA); LK2(RB, RC, RD, RE, RA, 17);
595 S(S1, RB, RC, RD, RE, RA); LK2(RA, RD, RE, RB, RC, 18);
596 S(S2, RA, RD, RE, RB, RC); LK2(RC, RD, RA, RB, RE, 19);
597 S(S3, RC, RD, RA, RB, RE); LK2(RB, RE, RD, RC, RA, 20);
598 S(S4, RB, RE, RD, RC, RA); LK2(RE, RD, RC, RA, RB, 21);
599 S(S5, RE, RD, RC, RA, RB); LK2(RB, RE, RD, RA, RC, 22);
600 S(S6, RB, RE, RD, RA, RC); LK2(RD, RC, RE, RA, RB, 23);
601 S(S7, RD, RC, RE, RA, RB); LK2(RB, RE, RA, RD, RC, 24);
602 S(S0, RB, RE, RA, RD, RC); LK2(RA, RE, RD, RB, RC, 25);
603 S(S1, RA, RE, RD, RB, RC); LK2(RC, RD, RB, RA, RE, 26);
604 S(S2, RC, RD, RB, RA, RE); LK2(RE, RD, RC, RA, RB, 27);
605 S(S3, RE, RD, RC, RA, RB); LK2(RA, RB, RD, RE, RC, 28);
606 S(S4, RA, RB, RD, RE, RC); LK2(RB, RD, RE, RC, RA, 29);
607 S(S5, RB, RD, RE, RC, RA); LK2(RA, RB, RD, RC, RE, 30);
608 S(S6, RA, RB, RD, RC, RE); LK2(RD, RE, RB, RC, RA, 31);
609 S(S7, RD, RE, RB, RC, RA); K2(RA, RB, RC, RD, RE, 32);
610
611 write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
612 write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
613
614 ret;
615ENDPROC(__serpent_enc_blk16)
616
617.align 8
618__serpent_dec_blk16:
619 /* input:
620 * %rdi: ctx, CTX
621 * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
622 * output:
623 * RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2: plaintext
624 */
625
626 vpcmpeqd RNOT, RNOT, RNOT;
627
628 read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
629 read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
630
631 K2(RA, RB, RC, RD, RE, 32);
632 SP(SI7, RA, RB, RC, RD, RE, 31); KL2(RB, RD, RA, RE, RC, 31);
633 SP(SI6, RB, RD, RA, RE, RC, 30); KL2(RA, RC, RE, RB, RD, 30);
634 SP(SI5, RA, RC, RE, RB, RD, 29); KL2(RC, RD, RA, RE, RB, 29);
635 SP(SI4, RC, RD, RA, RE, RB, 28); KL2(RC, RA, RB, RE, RD, 28);
636 SP(SI3, RC, RA, RB, RE, RD, 27); KL2(RB, RC, RD, RE, RA, 27);
637 SP(SI2, RB, RC, RD, RE, RA, 26); KL2(RC, RA, RE, RD, RB, 26);
638 SP(SI1, RC, RA, RE, RD, RB, 25); KL2(RB, RA, RE, RD, RC, 25);
639 SP(SI0, RB, RA, RE, RD, RC, 24); KL2(RE, RC, RA, RB, RD, 24);
640 SP(SI7, RE, RC, RA, RB, RD, 23); KL2(RC, RB, RE, RD, RA, 23);
641 SP(SI6, RC, RB, RE, RD, RA, 22); KL2(RE, RA, RD, RC, RB, 22);
642 SP(SI5, RE, RA, RD, RC, RB, 21); KL2(RA, RB, RE, RD, RC, 21);
643 SP(SI4, RA, RB, RE, RD, RC, 20); KL2(RA, RE, RC, RD, RB, 20);
644 SP(SI3, RA, RE, RC, RD, RB, 19); KL2(RC, RA, RB, RD, RE, 19);
645 SP(SI2, RC, RA, RB, RD, RE, 18); KL2(RA, RE, RD, RB, RC, 18);
646 SP(SI1, RA, RE, RD, RB, RC, 17); KL2(RC, RE, RD, RB, RA, 17);
647 SP(SI0, RC, RE, RD, RB, RA, 16); KL2(RD, RA, RE, RC, RB, 16);
648 SP(SI7, RD, RA, RE, RC, RB, 15); KL2(RA, RC, RD, RB, RE, 15);
649 SP(SI6, RA, RC, RD, RB, RE, 14); KL2(RD, RE, RB, RA, RC, 14);
650 SP(SI5, RD, RE, RB, RA, RC, 13); KL2(RE, RC, RD, RB, RA, 13);
651 SP(SI4, RE, RC, RD, RB, RA, 12); KL2(RE, RD, RA, RB, RC, 12);
652 SP(SI3, RE, RD, RA, RB, RC, 11); KL2(RA, RE, RC, RB, RD, 11);
653 SP(SI2, RA, RE, RC, RB, RD, 10); KL2(RE, RD, RB, RC, RA, 10);
654 SP(SI1, RE, RD, RB, RC, RA, 9); KL2(RA, RD, RB, RC, RE, 9);
655 SP(SI0, RA, RD, RB, RC, RE, 8); KL2(RB, RE, RD, RA, RC, 8);
656 SP(SI7, RB, RE, RD, RA, RC, 7); KL2(RE, RA, RB, RC, RD, 7);
657 SP(SI6, RE, RA, RB, RC, RD, 6); KL2(RB, RD, RC, RE, RA, 6);
658 SP(SI5, RB, RD, RC, RE, RA, 5); KL2(RD, RA, RB, RC, RE, 5);
659 SP(SI4, RD, RA, RB, RC, RE, 4); KL2(RD, RB, RE, RC, RA, 4);
660 SP(SI3, RD, RB, RE, RC, RA, 3); KL2(RE, RD, RA, RC, RB, 3);
661 SP(SI2, RE, RD, RA, RC, RB, 2); KL2(RD, RB, RC, RA, RE, 2);
662 SP(SI1, RD, RB, RC, RA, RE, 1); KL2(RE, RB, RC, RA, RD, 1);
663 S(SI0, RE, RB, RC, RA, RD); K2(RC, RD, RB, RE, RA, 0);
664
665 write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
666 write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
667
668 ret;
669ENDPROC(__serpent_dec_blk16)
670
671ENTRY(serpent_ecb_enc_16way)
672 /* input:
673 * %rdi: ctx, CTX
674 * %rsi: dst
675 * %rdx: src
676 */
677 FRAME_BEGIN
678
679 vzeroupper;
680
681 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
682
683 call __serpent_enc_blk16;
684
685 store_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
686
687 vzeroupper;
688
689 FRAME_END
690 ret;
691ENDPROC(serpent_ecb_enc_16way)
692
693ENTRY(serpent_ecb_dec_16way)
694 /* input:
695 * %rdi: ctx, CTX
696 * %rsi: dst
697 * %rdx: src
698 */
699 FRAME_BEGIN
700
701 vzeroupper;
702
703 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
704
705 call __serpent_dec_blk16;
706
707 store_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
708
709 vzeroupper;
710
711 FRAME_END
712 ret;
713ENDPROC(serpent_ecb_dec_16way)
714
715ENTRY(serpent_cbc_dec_16way)
716 /* input:
717 * %rdi: ctx, CTX
718 * %rsi: dst
719 * %rdx: src
720 */
721 FRAME_BEGIN
722
723 vzeroupper;
724
725 load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
726
727 call __serpent_dec_blk16;
728
729 store_cbc_16way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2,
730 RK0);
731
732 vzeroupper;
733
734 FRAME_END
735 ret;
736ENDPROC(serpent_cbc_dec_16way)
737
738ENTRY(serpent_ctr_16way)
739 /* input:
740 * %rdi: ctx, CTX
741 * %rsi: dst (16 blocks)
742 * %rdx: src (16 blocks)
743 * %rcx: iv (little endian, 128bit)
744 */
745 FRAME_BEGIN
746
747 vzeroupper;
748
749 load_ctr_16way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
750 RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
751 tp);
752
753 call __serpent_enc_blk16;
754
755 store_ctr_16way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
756
757 vzeroupper;
758
759 FRAME_END
760 ret;
761ENDPROC(serpent_ctr_16way)
762
763ENTRY(serpent_xts_enc_16way)
764 /* input:
765 * %rdi: ctx, CTX
766 * %rsi: dst (16 blocks)
767 * %rdx: src (16 blocks)
768 * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
769 */
770 FRAME_BEGIN
771
772 vzeroupper;
773
774 load_xts_16way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
775 RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
776 .Lxts_gf128mul_and_shl1_mask_0,
777 .Lxts_gf128mul_and_shl1_mask_1);
778
779 call __serpent_enc_blk16;
780
781 store_xts_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
782
783 vzeroupper;
784
785 FRAME_END
786 ret;
787ENDPROC(serpent_xts_enc_16way)
788
789ENTRY(serpent_xts_dec_16way)
790 /* input:
791 * %rdi: ctx, CTX
792 * %rsi: dst (16 blocks)
793 * %rdx: src (16 blocks)
794 * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
795 */
796 FRAME_BEGIN
797
798 vzeroupper;
799
800 load_xts_16way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
801 RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
802 .Lxts_gf128mul_and_shl1_mask_0,
803 .Lxts_gf128mul_and_shl1_mask_1);
804
805 call __serpent_dec_blk16;
806
807 store_xts_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
808
809 vzeroupper;
810
811 FRAME_END
812 ret;
813ENDPROC(serpent_xts_dec_16way)