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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64...
[deliverable/linux.git] / arch / x86 / crypto / camellia-aesni-avx2-asm_64.S
CommitLineData
f3f935a7
JK		 1/*
2 * x86_64/AVX2/AES-NI assembler implementation of Camellia
3 *
4 * Copyright © 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 */
12
13#include <linux/linkage.h>
8691ccd7 14#include <asm/frame.h>
f3f935a7
JK		 15
16#define CAMELLIA_TABLE_BYTE_LEN 272
17
18/* struct camellia_ctx: */
19#define key_table 0
20#define key_length CAMELLIA_TABLE_BYTE_LEN
21
22/* register macros */
23#define CTX %rdi
24#define RIO %r8
25
26/**********************************************************************
27 helper macros
28 **********************************************************************/
29#define filter_8bit(x, lo_t, hi_t, mask4bit, tmp0) \
30 vpand x, mask4bit, tmp0; \
31 vpandn x, mask4bit, x; \
32 vpsrld $4, x, x; \
33 \
34 vpshufb tmp0, lo_t, tmp0; \
35 vpshufb x, hi_t, x; \
36 vpxor tmp0, x, x;
37
38#define ymm0_x xmm0
39#define ymm1_x xmm1
40#define ymm2_x xmm2
41#define ymm3_x xmm3
42#define ymm4_x xmm4
43#define ymm5_x xmm5
44#define ymm6_x xmm6
45#define ymm7_x xmm7
46#define ymm8_x xmm8
47#define ymm9_x xmm9
48#define ymm10_x xmm10
49#define ymm11_x xmm11
50#define ymm12_x xmm12
51#define ymm13_x xmm13
52#define ymm14_x xmm14
53#define ymm15_x xmm15
54
f3f935a7
JK		 55/**********************************************************************
56 32-way camellia
57 **********************************************************************/
58
59/*
60 * IN:
61 * x0..x7: byte-sliced AB state
62 * mem_cd: register pointer storing CD state
63 * key: index for key material
64 * OUT:
65 * x0..x7: new byte-sliced CD state
66 */
67#define roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2, t3, t4, t5, t6, \
68 t7, mem_cd, key) \
69 /* \
70 * S-function with AES subbytes \
71 */ \
72 vbroadcasti128 .Linv_shift_row, t4; \
acfffdb8
JK		 73 vpbroadcastd .L0f0f0f0f, t7; \
74 vbroadcasti128 .Lpre_tf_lo_s1, t5; \
75 vbroadcasti128 .Lpre_tf_hi_s1, t6; \
76 vbroadcasti128 .Lpre_tf_lo_s4, t2; \
77 vbroadcasti128 .Lpre_tf_hi_s4, t3; \
f3f935a7
JK		 78 \
79 /* AES inverse shift rows */ \
80 vpshufb t4, x0, x0; \
81 vpshufb t4, x7, x7; \
f3f935a7
JK		 82 vpshufb t4, x3, x3; \
83 vpshufb t4, x6, x6; \
acfffdb8
JK		 84 vpshufb t4, x2, x2; \
85 vpshufb t4, x5, x5; \
86 vpshufb t4, x1, x1; \
87 vpshufb t4, x4, x4; \
f3f935a7
JK		 88 \
89 /* prefilter sboxes 1, 2 and 3 */ \
f3f935a7 90 /* prefilter sbox 4 */ \
acfffdb8
JK		 91 filter_8bit(x0, t5, t6, t7, t4); \
92 filter_8bit(x7, t5, t6, t7, t4); \
93 vextracti128 $1, x0, t0##_x; \
94 vextracti128 $1, x7, t1##_x; \
95 filter_8bit(x3, t2, t3, t7, t4); \
96 filter_8bit(x6, t2, t3, t7, t4); \
97 vextracti128 $1, x3, t3##_x; \
98 vextracti128 $1, x6, t2##_x; \
99 filter_8bit(x2, t5, t6, t7, t4); \
100 filter_8bit(x5, t5, t6, t7, t4); \
101 filter_8bit(x1, t5, t6, t7, t4); \
102 filter_8bit(x4, t5, t6, t7, t4); \
103 \
f3f935a7 104 vpxor t4##_x, t4##_x, t4##_x; \
f3f935a7
JK		 105 \
106 /* AES subbytes + AES shift rows */ \
acfffdb8
JK		 107 vextracti128 $1, x2, t6##_x; \
108 vextracti128 $1, x5, t5##_x; \
109 vaesenclast t4##_x, x0##_x, x0##_x; \
110 vaesenclast t4##_x, t0##_x, t0##_x; \
111 vinserti128 $1, t0##_x, x0, x0; \
112 vaesenclast t4##_x, x7##_x, x7##_x; \
113 vaesenclast t4##_x, t1##_x, t1##_x; \
114 vinserti128 $1, t1##_x, x7, x7; \
115 vaesenclast t4##_x, x3##_x, x3##_x; \
116 vaesenclast t4##_x, t3##_x, t3##_x; \
117 vinserti128 $1, t3##_x, x3, x3; \
118 vaesenclast t4##_x, x6##_x, x6##_x; \
119 vaesenclast t4##_x, t2##_x, t2##_x; \
120 vinserti128 $1, t2##_x, x6, x6; \
121 vextracti128 $1, x1, t3##_x; \
122 vextracti128 $1, x4, t2##_x; \
f3f935a7
JK		 123 vbroadcasti128 .Lpost_tf_lo_s1, t0; \
124 vbroadcasti128 .Lpost_tf_hi_s1, t1; \
acfffdb8
JK		 125 vaesenclast t4##_x, x2##_x, x2##_x; \
126 vaesenclast t4##_x, t6##_x, t6##_x; \
127 vinserti128 $1, t6##_x, x2, x2; \
128 vaesenclast t4##_x, x5##_x, x5##_x; \
129 vaesenclast t4##_x, t5##_x, t5##_x; \
130 vinserti128 $1, t5##_x, x5, x5; \
131 vaesenclast t4##_x, x1##_x, x1##_x; \
132 vaesenclast t4##_x, t3##_x, t3##_x; \
133 vinserti128 $1, t3##_x, x1, x1; \
134 vaesenclast t4##_x, x4##_x, x4##_x; \
135 vaesenclast t4##_x, t2##_x, t2##_x; \
136 vinserti128 $1, t2##_x, x4, x4; \
f3f935a7
JK		 137 \
138 /* postfilter sboxes 1 and 4 */ \
139 vbroadcasti128 .Lpost_tf_lo_s3, t2; \
140 vbroadcasti128 .Lpost_tf_hi_s3, t3; \
141 filter_8bit(x0, t0, t1, t7, t6); \
142 filter_8bit(x7, t0, t1, t7, t6); \
143 filter_8bit(x3, t0, t1, t7, t6); \
144 filter_8bit(x6, t0, t1, t7, t6); \
145 \
146 /* postfilter sbox 3 */ \
147 vbroadcasti128 .Lpost_tf_lo_s2, t4; \
148 vbroadcasti128 .Lpost_tf_hi_s2, t5; \
149 filter_8bit(x2, t2, t3, t7, t6); \
150 filter_8bit(x5, t2, t3, t7, t6); \
151 \
152 vpbroadcastq key, t0; /* higher 64-bit duplicate ignored */ \
153 \
154 /* postfilter sbox 2 */ \
155 filter_8bit(x1, t4, t5, t7, t2); \
156 filter_8bit(x4, t4, t5, t7, t2); \
acfffdb8 157 vpxor t7, t7, t7; \
f3f935a7
JK		 158 \
159 vpsrldq $1, t0, t1; \
160 vpsrldq $2, t0, t2; \
acfffdb8 161 vpshufb t7, t1, t1; \
f3f935a7 162 vpsrldq $3, t0, t3; \
f3f935a7
JK		 163 \
164 /* P-function */ \
165 vpxor x5, x0, x0; \
166 vpxor x6, x1, x1; \
167 vpxor x7, x2, x2; \
168 vpxor x4, x3, x3; \
169 \
acfffdb8
JK		 170 vpshufb t7, t2, t2; \
171 vpsrldq $4, t0, t4; \
172 vpshufb t7, t3, t3; \
173 vpsrldq $5, t0, t5; \
174 vpshufb t7, t4, t4; \
175 \
f3f935a7
JK		 176 vpxor x2, x4, x4; \
177 vpxor x3, x5, x5; \
178 vpxor x0, x6, x6; \
179 vpxor x1, x7, x7; \
180 \
acfffdb8
JK		 181 vpsrldq $6, t0, t6; \
182 vpshufb t7, t5, t5; \
183 vpshufb t7, t6, t6; \
184 \
f3f935a7
JK		 185 vpxor x7, x0, x0; \
186 vpxor x4, x1, x1; \
187 vpxor x5, x2, x2; \
188 vpxor x6, x3, x3; \
189 \
190 vpxor x3, x4, x4; \
191 vpxor x0, x5, x5; \
192 vpxor x1, x6, x6; \
193 vpxor x2, x7, x7; /* note: high and low parts swapped */ \
194 \
195 /* Add key material and result to CD (x becomes new CD) */ \
196 \
f3f935a7
JK		 197 vpxor t6, x1, x1; \
198 vpxor 5 * 32(mem_cd), x1, x1; \
199 \
acfffdb8
JK		 200 vpsrldq $7, t0, t6; \
201 vpshufb t7, t0, t0; \
202 vpshufb t7, t6, t7; \
203 \
204 vpxor t7, x0, x0; \
205 vpxor 4 * 32(mem_cd), x0, x0; \
206 \
f3f935a7
JK		 207 vpxor t5, x2, x2; \
208 vpxor 6 * 32(mem_cd), x2, x2; \
209 \
210 vpxor t4, x3, x3; \
211 vpxor 7 * 32(mem_cd), x3, x3; \
212 \
213 vpxor t3, x4, x4; \
214 vpxor 0 * 32(mem_cd), x4, x4; \
215 \
216 vpxor t2, x5, x5; \
217 vpxor 1 * 32(mem_cd), x5, x5; \
218 \
219 vpxor t1, x6, x6; \
220 vpxor 2 * 32(mem_cd), x6, x6; \
221 \
222 vpxor t0, x7, x7; \
223 vpxor 3 * 32(mem_cd), x7, x7;
224
225/*
acfffdb8 226 * Size optimization... with inlined roundsm32 binary would be over 5 times
f3f935a7
JK		 227 * larger and would only marginally faster.
228 */
229.align 8
230roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd:
231 roundsm32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
232 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, %ymm15,
233 %rcx, (%r9));
234 ret;
235ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd)
236
237.align 8
238roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab:
239 roundsm32(%ymm4, %ymm5, %ymm6, %ymm7, %ymm0, %ymm1, %ymm2, %ymm3,
240 %ymm12, %ymm13, %ymm14, %ymm15, %ymm8, %ymm9, %ymm10, %ymm11,
241 %rax, (%r9));
242 ret;
243ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab)
244
245/*
246 * IN/OUT:
247 * x0..x7: byte-sliced AB state preloaded
248 * mem_ab: byte-sliced AB state in memory
249 * mem_cb: byte-sliced CD state in memory
250 */
251#define two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
252 y6, y7, mem_ab, mem_cd, i, dir, store_ab) \
253 leaq (key_table + (i) * 8)(CTX), %r9; \
254 call roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \
255 \
256 vmovdqu x0, 4 * 32(mem_cd); \
257 vmovdqu x1, 5 * 32(mem_cd); \
258 vmovdqu x2, 6 * 32(mem_cd); \
259 vmovdqu x3, 7 * 32(mem_cd); \
260 vmovdqu x4, 0 * 32(mem_cd); \
261 vmovdqu x5, 1 * 32(mem_cd); \
262 vmovdqu x6, 2 * 32(mem_cd); \
263 vmovdqu x7, 3 * 32(mem_cd); \
264 \
265 leaq (key_table + ((i) + (dir)) * 8)(CTX), %r9; \
266 call roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \
267 \
268 store_ab(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab);
269
270#define dummy_store(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) /* do nothing */
271
272#define store_ab_state(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) \
273 /* Store new AB state */ \
274 vmovdqu x4, 4 * 32(mem_ab); \
275 vmovdqu x5, 5 * 32(mem_ab); \
276 vmovdqu x6, 6 * 32(mem_ab); \
277 vmovdqu x7, 7 * 32(mem_ab); \
278 vmovdqu x0, 0 * 32(mem_ab); \
279 vmovdqu x1, 1 * 32(mem_ab); \
280 vmovdqu x2, 2 * 32(mem_ab); \
281 vmovdqu x3, 3 * 32(mem_ab);
282
283#define enc_rounds32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
284 y6, y7, mem_ab, mem_cd, i) \
285 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
286 y6, y7, mem_ab, mem_cd, (i) + 2, 1, store_ab_state); \
287 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
288 y6, y7, mem_ab, mem_cd, (i) + 4, 1, store_ab_state); \
289 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
290 y6, y7, mem_ab, mem_cd, (i) + 6, 1, dummy_store);
291
292#define dec_rounds32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
293 y6, y7, mem_ab, mem_cd, i) \
294 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
295 y6, y7, mem_ab, mem_cd, (i) + 7, -1, store_ab_state); \
296 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
297 y6, y7, mem_ab, mem_cd, (i) + 5, -1, store_ab_state); \
298 two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
299 y6, y7, mem_ab, mem_cd, (i) + 3, -1, dummy_store);
300
301/*
302 * IN:
303 * v0..3: byte-sliced 32-bit integers
304 * OUT:
305 * v0..3: (IN <<< 1)
306 */
307#define rol32_1_32(v0, v1, v2, v3, t0, t1, t2, zero) \
308 vpcmpgtb v0, zero, t0; \
309 vpaddb v0, v0, v0; \
310 vpabsb t0, t0; \
311 \
312 vpcmpgtb v1, zero, t1; \
313 vpaddb v1, v1, v1; \
314 vpabsb t1, t1; \
315 \
316 vpcmpgtb v2, zero, t2; \
317 vpaddb v2, v2, v2; \
318 vpabsb t2, t2; \
319 \
320 vpor t0, v1, v1; \
321 \
322 vpcmpgtb v3, zero, t0; \
323 vpaddb v3, v3, v3; \
324 vpabsb t0, t0; \
325 \
326 vpor t1, v2, v2; \
327 vpor t2, v3, v3; \
328 vpor t0, v0, v0;
329
330/*
331 * IN:
332 * r: byte-sliced AB state in memory
333 * l: byte-sliced CD state in memory
334 * OUT:
335 * x0..x7: new byte-sliced CD state
336 */
337#define fls32(l, l0, l1, l2, l3, l4, l5, l6, l7, r, t0, t1, t2, t3, tt0, \
338 tt1, tt2, tt3, kll, klr, krl, krr) \
339 /* \
340 * t0 = kll; \
341 * t0 &= ll; \
342 * lr ^= rol32(t0, 1); \
343 */ \
344 vpbroadcastd kll, t0; /* only lowest 32-bit used */ \
345 vpxor tt0, tt0, tt0; \
acfffdb8 346 vpshufb tt0, t0, t3; \
f3f935a7 347 vpsrldq $1, t0, t0; \
acfffdb8 348 vpshufb tt0, t0, t2; \
f3f935a7 349 vpsrldq $1, t0, t0; \
acfffdb8 350 vpshufb tt0, t0, t1; \
f3f935a7 351 vpsrldq $1, t0, t0; \
acfffdb8 352 vpshufb tt0, t0, t0; \
f3f935a7
JK		 353 \
354 vpand l0, t0, t0; \
355 vpand l1, t1, t1; \
356 vpand l2, t2, t2; \
357 vpand l3, t3, t3; \
358 \
359 rol32_1_32(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \
360 \
361 vpxor l4, t0, l4; \
acfffdb8 362 vpbroadcastd krr, t0; /* only lowest 32-bit used */ \
f3f935a7
JK		 363 vmovdqu l4, 4 * 32(l); \
364 vpxor l5, t1, l5; \
365 vmovdqu l5, 5 * 32(l); \
366 vpxor l6, t2, l6; \
367 vmovdqu l6, 6 * 32(l); \
368 vpxor l7, t3, l7; \
369 vmovdqu l7, 7 * 32(l); \
370 \
371 /* \
372 * t2 = krr; \
373 * t2 |= rr; \
374 * rl ^= t2; \
375 */ \
376 \
acfffdb8 377 vpshufb tt0, t0, t3; \
f3f935a7 378 vpsrldq $1, t0, t0; \
acfffdb8 379 vpshufb tt0, t0, t2; \
f3f935a7 380 vpsrldq $1, t0, t0; \
acfffdb8 381 vpshufb tt0, t0, t1; \
f3f935a7 382 vpsrldq $1, t0, t0; \
acfffdb8 383 vpshufb tt0, t0, t0; \
f3f935a7
JK		 384 \
385 vpor 4 * 32(r), t0, t0; \
386 vpor 5 * 32(r), t1, t1; \
387 vpor 6 * 32(r), t2, t2; \
388 vpor 7 * 32(r), t3, t3; \
389 \
390 vpxor 0 * 32(r), t0, t0; \
391 vpxor 1 * 32(r), t1, t1; \
392 vpxor 2 * 32(r), t2, t2; \
393 vpxor 3 * 32(r), t3, t3; \
394 vmovdqu t0, 0 * 32(r); \
acfffdb8 395 vpbroadcastd krl, t0; /* only lowest 32-bit used */ \
f3f935a7
JK		 396 vmovdqu t1, 1 * 32(r); \
397 vmovdqu t2, 2 * 32(r); \
398 vmovdqu t3, 3 * 32(r); \
399 \
400 /* \
401 * t2 = krl; \
402 * t2 &= rl; \
403 * rr ^= rol32(t2, 1); \
404 */ \
acfffdb8 405 vpshufb tt0, t0, t3; \
f3f935a7 406 vpsrldq $1, t0, t0; \
acfffdb8 407 vpshufb tt0, t0, t2; \
f3f935a7 408 vpsrldq $1, t0, t0; \
acfffdb8 409 vpshufb tt0, t0, t1; \
f3f935a7 410 vpsrldq $1, t0, t0; \
acfffdb8 411 vpshufb tt0, t0, t0; \
f3f935a7
JK		 412 \
413 vpand 0 * 32(r), t0, t0; \
414 vpand 1 * 32(r), t1, t1; \
415 vpand 2 * 32(r), t2, t2; \
416 vpand 3 * 32(r), t3, t3; \
417 \
418 rol32_1_32(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \
419 \
420 vpxor 4 * 32(r), t0, t0; \
421 vpxor 5 * 32(r), t1, t1; \
422 vpxor 6 * 32(r), t2, t2; \
423 vpxor 7 * 32(r), t3, t3; \
424 vmovdqu t0, 4 * 32(r); \
acfffdb8 425 vpbroadcastd klr, t0; /* only lowest 32-bit used */ \
f3f935a7
JK		 426 vmovdqu t1, 5 * 32(r); \
427 vmovdqu t2, 6 * 32(r); \
428 vmovdqu t3, 7 * 32(r); \
429 \
430 /* \
431 * t0 = klr; \
432 * t0 |= lr; \
433 * ll ^= t0; \
434 */ \
435 \
acfffdb8 436 vpshufb tt0, t0, t3; \
f3f935a7 437 vpsrldq $1, t0, t0; \
acfffdb8 438 vpshufb tt0, t0, t2; \
f3f935a7 439 vpsrldq $1, t0, t0; \
acfffdb8 440 vpshufb tt0, t0, t1; \
f3f935a7 441 vpsrldq $1, t0, t0; \
acfffdb8 442 vpshufb tt0, t0, t0; \
f3f935a7
JK		 443 \
444 vpor l4, t0, t0; \
445 vpor l5, t1, t1; \
446 vpor l6, t2, t2; \
447 vpor l7, t3, t3; \
448 \
449 vpxor l0, t0, l0; \
450 vmovdqu l0, 0 * 32(l); \
451 vpxor l1, t1, l1; \
452 vmovdqu l1, 1 * 32(l); \
453 vpxor l2, t2, l2; \
454 vmovdqu l2, 2 * 32(l); \
455 vpxor l3, t3, l3; \
456 vmovdqu l3, 3 * 32(l);
457
458#define transpose_4x4(x0, x1, x2, x3, t1, t2) \
459 vpunpckhdq x1, x0, t2; \
460 vpunpckldq x1, x0, x0; \
461 \
462 vpunpckldq x3, x2, t1; \
463 vpunpckhdq x3, x2, x2; \
464 \
465 vpunpckhqdq t1, x0, x1; \
466 vpunpcklqdq t1, x0, x0; \
467 \
468 vpunpckhqdq x2, t2, x3; \
469 vpunpcklqdq x2, t2, x2;
470
471#define byteslice_16x16b_fast(a0, b0, c0, d0, a1, b1, c1, d1, a2, b2, c2, d2, \
472 a3, b3, c3, d3, st0, st1) \
473 vmovdqu d2, st0; \
474 vmovdqu d3, st1; \
475 transpose_4x4(a0, a1, a2, a3, d2, d3); \
476 transpose_4x4(b0, b1, b2, b3, d2, d3); \
477 vmovdqu st0, d2; \
478 vmovdqu st1, d3; \
479 \
480 vmovdqu a0, st0; \
481 vmovdqu a1, st1; \
482 transpose_4x4(c0, c1, c2, c3, a0, a1); \
483 transpose_4x4(d0, d1, d2, d3, a0, a1); \
484 \
485 vbroadcasti128 .Lshufb_16x16b, a0; \
486 vmovdqu st1, a1; \
487 vpshufb a0, a2, a2; \
488 vpshufb a0, a3, a3; \
489 vpshufb a0, b0, b0; \
490 vpshufb a0, b1, b1; \
491 vpshufb a0, b2, b2; \
492 vpshufb a0, b3, b3; \
493 vpshufb a0, a1, a1; \
494 vpshufb a0, c0, c0; \
495 vpshufb a0, c1, c1; \
496 vpshufb a0, c2, c2; \
497 vpshufb a0, c3, c3; \
498 vpshufb a0, d0, d0; \
499 vpshufb a0, d1, d1; \
500 vpshufb a0, d2, d2; \
501 vpshufb a0, d3, d3; \
502 vmovdqu d3, st1; \
503 vmovdqu st0, d3; \
504 vpshufb a0, d3, a0; \
505 vmovdqu d2, st0; \
506 \
507 transpose_4x4(a0, b0, c0, d0, d2, d3); \
508 transpose_4x4(a1, b1, c1, d1, d2, d3); \
509 vmovdqu st0, d2; \
510 vmovdqu st1, d3; \
511 \
512 vmovdqu b0, st0; \
513 vmovdqu b1, st1; \
514 transpose_4x4(a2, b2, c2, d2, b0, b1); \
515 transpose_4x4(a3, b3, c3, d3, b0, b1); \
516 vmovdqu st0, b0; \
517 vmovdqu st1, b1; \
518 /* does not adjust output bytes inside vectors */
519
520/* load blocks to registers and apply pre-whitening */
521#define inpack32_pre(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
522 y6, y7, rio, key) \
523 vpbroadcastq key, x0; \
524 vpshufb .Lpack_bswap, x0, x0; \
525 \
526 vpxor 0 * 32(rio), x0, y7; \
527 vpxor 1 * 32(rio), x0, y6; \
528 vpxor 2 * 32(rio), x0, y5; \
529 vpxor 3 * 32(rio), x0, y4; \
530 vpxor 4 * 32(rio), x0, y3; \
531 vpxor 5 * 32(rio), x0, y2; \
532 vpxor 6 * 32(rio), x0, y1; \
533 vpxor 7 * 32(rio), x0, y0; \
534 vpxor 8 * 32(rio), x0, x7; \
535 vpxor 9 * 32(rio), x0, x6; \
536 vpxor 10 * 32(rio), x0, x5; \
537 vpxor 11 * 32(rio), x0, x4; \
538 vpxor 12 * 32(rio), x0, x3; \
539 vpxor 13 * 32(rio), x0, x2; \
540 vpxor 14 * 32(rio), x0, x1; \
541 vpxor 15 * 32(rio), x0, x0;
542
543/* byteslice pre-whitened blocks and store to temporary memory */
544#define inpack32_post(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
545 y6, y7, mem_ab, mem_cd) \
546 byteslice_16x16b_fast(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, \
547 y4, y5, y6, y7, (mem_ab), (mem_cd)); \
548 \
549 vmovdqu x0, 0 * 32(mem_ab); \
550 vmovdqu x1, 1 * 32(mem_ab); \
551 vmovdqu x2, 2 * 32(mem_ab); \
552 vmovdqu x3, 3 * 32(mem_ab); \
553 vmovdqu x4, 4 * 32(mem_ab); \
554 vmovdqu x5, 5 * 32(mem_ab); \
555 vmovdqu x6, 6 * 32(mem_ab); \
556 vmovdqu x7, 7 * 32(mem_ab); \
557 vmovdqu y0, 0 * 32(mem_cd); \
558 vmovdqu y1, 1 * 32(mem_cd); \
559 vmovdqu y2, 2 * 32(mem_cd); \
560 vmovdqu y3, 3 * 32(mem_cd); \
561 vmovdqu y4, 4 * 32(mem_cd); \
562 vmovdqu y5, 5 * 32(mem_cd); \
563 vmovdqu y6, 6 * 32(mem_cd); \
564 vmovdqu y7, 7 * 32(mem_cd);
565
566/* de-byteslice, apply post-whitening and store blocks */
567#define outunpack32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, \
568 y5, y6, y7, key, stack_tmp0, stack_tmp1) \
569 byteslice_16x16b_fast(y0, y4, x0, x4, y1, y5, x1, x5, y2, y6, x2, x6, \
570 y3, y7, x3, x7, stack_tmp0, stack_tmp1); \
571 \
572 vmovdqu x0, stack_tmp0; \
573 \
574 vpbroadcastq key, x0; \
575 vpshufb .Lpack_bswap, x0, x0; \
576 \
577 vpxor x0, y7, y7; \
578 vpxor x0, y6, y6; \
579 vpxor x0, y5, y5; \
580 vpxor x0, y4, y4; \
581 vpxor x0, y3, y3; \
582 vpxor x0, y2, y2; \
583 vpxor x0, y1, y1; \
584 vpxor x0, y0, y0; \
585 vpxor x0, x7, x7; \
586 vpxor x0, x6, x6; \
587 vpxor x0, x5, x5; \
588 vpxor x0, x4, x4; \
589 vpxor x0, x3, x3; \
590 vpxor x0, x2, x2; \
591 vpxor x0, x1, x1; \
592 vpxor stack_tmp0, x0, x0;
593
594#define write_output(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \
595 y6, y7, rio) \
596 vmovdqu x0, 0 * 32(rio); \
597 vmovdqu x1, 1 * 32(rio); \
598 vmovdqu x2, 2 * 32(rio); \
599 vmovdqu x3, 3 * 32(rio); \
600 vmovdqu x4, 4 * 32(rio); \
601 vmovdqu x5, 5 * 32(rio); \
602 vmovdqu x6, 6 * 32(rio); \
603 vmovdqu x7, 7 * 32(rio); \
604 vmovdqu y0, 8 * 32(rio); \
605 vmovdqu y1, 9 * 32(rio); \
606 vmovdqu y2, 10 * 32(rio); \
607 vmovdqu y3, 11 * 32(rio); \
608 vmovdqu y4, 12 * 32(rio); \
609 vmovdqu y5, 13 * 32(rio); \
610 vmovdqu y6, 14 * 32(rio); \
611 vmovdqu y7, 15 * 32(rio);
612
613.data
614.align 32
615
616#define SHUFB_BYTES(idx) \
617 0 + (idx), 4 + (idx), 8 + (idx), 12 + (idx)
618
619.Lshufb_16x16b:
620 .byte SHUFB_BYTES(0), SHUFB_BYTES(1), SHUFB_BYTES(2), SHUFB_BYTES(3)
621 .byte SHUFB_BYTES(0), SHUFB_BYTES(1), SHUFB_BYTES(2), SHUFB_BYTES(3)
622
623.Lpack_bswap:
624 .long 0x00010203, 0x04050607, 0x80808080, 0x80808080
625 .long 0x00010203, 0x04050607, 0x80808080, 0x80808080
626
627/* For CTR-mode IV byteswap */
628.Lbswap128_mask:
629 .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
630
631/* For XTS mode */
632.Lxts_gf128mul_and_shl1_mask_0:
633 .byte 0x87, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0
634.Lxts_gf128mul_and_shl1_mask_1:
635 .byte 0x0e, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0
636
637/*
638 * pre-SubByte transform
639 *
640 * pre-lookup for sbox1, sbox2, sbox3:
641 * swap_bitendianness(
642 * isom_map_camellia_to_aes(
643 * camellia_f(
644 * swap_bitendianess(in)
645 * )
646 * )
647 * )
648 *
649 * (note: '⊕ 0xc5' inside camellia_f())
650 */
651.Lpre_tf_lo_s1:
652 .byte 0x45, 0xe8, 0x40, 0xed, 0x2e, 0x83, 0x2b, 0x86
653 .byte 0x4b, 0xe6, 0x4e, 0xe3, 0x20, 0x8d, 0x25, 0x88
654.Lpre_tf_hi_s1:
655 .byte 0x00, 0x51, 0xf1, 0xa0, 0x8a, 0xdb, 0x7b, 0x2a
656 .byte 0x09, 0x58, 0xf8, 0xa9, 0x83, 0xd2, 0x72, 0x23
657
658/*
659 * pre-SubByte transform
660 *
661 * pre-lookup for sbox4:
662 * swap_bitendianness(
663 * isom_map_camellia_to_aes(
664 * camellia_f(
665 * swap_bitendianess(in <<< 1)
666 * )
667 * )
668 * )
669 *
670 * (note: '⊕ 0xc5' inside camellia_f())
671 */
672.Lpre_tf_lo_s4:
673 .byte 0x45, 0x40, 0x2e, 0x2b, 0x4b, 0x4e, 0x20, 0x25
674 .byte 0x14, 0x11, 0x7f, 0x7a, 0x1a, 0x1f, 0x71, 0x74
675.Lpre_tf_hi_s4:
676 .byte 0x00, 0xf1, 0x8a, 0x7b, 0x09, 0xf8, 0x83, 0x72
677 .byte 0xad, 0x5c, 0x27, 0xd6, 0xa4, 0x55, 0x2e, 0xdf
678
679/*
680 * post-SubByte transform
681 *
682 * post-lookup for sbox1, sbox4:
683 * swap_bitendianness(
684 * camellia_h(
685 * isom_map_aes_to_camellia(
686 * swap_bitendianness(
687 * aes_inverse_affine_transform(in)
688 * )
689 * )
690 * )
691 * )
692 *
693 * (note: '⊕ 0x6e' inside camellia_h())
694 */
695.Lpost_tf_lo_s1:
696 .byte 0x3c, 0xcc, 0xcf, 0x3f, 0x32, 0xc2, 0xc1, 0x31
697 .byte 0xdc, 0x2c, 0x2f, 0xdf, 0xd2, 0x22, 0x21, 0xd1
698.Lpost_tf_hi_s1:
699 .byte 0x00, 0xf9, 0x86, 0x7f, 0xd7, 0x2e, 0x51, 0xa8
700 .byte 0xa4, 0x5d, 0x22, 0xdb, 0x73, 0x8a, 0xf5, 0x0c
701
702/*
703 * post-SubByte transform
704 *
705 * post-lookup for sbox2:
706 * swap_bitendianness(
707 * camellia_h(
708 * isom_map_aes_to_camellia(
709 * swap_bitendianness(
710 * aes_inverse_affine_transform(in)
711 * )
712 * )
713 * )
714 * ) <<< 1
715 *
716 * (note: '⊕ 0x6e' inside camellia_h())
717 */
718.Lpost_tf_lo_s2:
719 .byte 0x78, 0x99, 0x9f, 0x7e, 0x64, 0x85, 0x83, 0x62
720 .byte 0xb9, 0x58, 0x5e, 0xbf, 0xa5, 0x44, 0x42, 0xa3
721.Lpost_tf_hi_s2:
722 .byte 0x00, 0xf3, 0x0d, 0xfe, 0xaf, 0x5c, 0xa2, 0x51
723 .byte 0x49, 0xba, 0x44, 0xb7, 0xe6, 0x15, 0xeb, 0x18
724
725/*
726 * post-SubByte transform
727 *
728 * post-lookup for sbox3:
729 * swap_bitendianness(
730 * camellia_h(
731 * isom_map_aes_to_camellia(
732 * swap_bitendianness(
733 * aes_inverse_affine_transform(in)
734 * )
735 * )
736 * )
737 * ) >>> 1
738 *
739 * (note: '⊕ 0x6e' inside camellia_h())
740 */
741.Lpost_tf_lo_s3:
742 .byte 0x1e, 0x66, 0xe7, 0x9f, 0x19, 0x61, 0xe0, 0x98
743 .byte 0x6e, 0x16, 0x97, 0xef, 0x69, 0x11, 0x90, 0xe8
744.Lpost_tf_hi_s3:
745 .byte 0x00, 0xfc, 0x43, 0xbf, 0xeb, 0x17, 0xa8, 0x54
746 .byte 0x52, 0xae, 0x11, 0xed, 0xb9, 0x45, 0xfa, 0x06
747
748/* For isolating SubBytes from AESENCLAST, inverse shift row */
749.Linv_shift_row:
750 .byte 0x00, 0x0d, 0x0a, 0x07, 0x04, 0x01, 0x0e, 0x0b
751 .byte 0x08, 0x05, 0x02, 0x0f, 0x0c, 0x09, 0x06, 0x03
752
753.align 4
754/* 4-bit mask */
755.L0f0f0f0f:
756 .long 0x0f0f0f0f
757
758.text
759
760.align 8
761__camellia_enc_blk32:
762 /* input:
763 * %rdi: ctx, CTX
764 * %rax: temporary storage, 512 bytes
765 * %ymm0..%ymm15: 32 plaintext blocks
766 * output:
767 * %ymm0..%ymm15: 32 encrypted blocks, order swapped:
768 * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
769 */
8691ccd7 770 FRAME_BEGIN
f3f935a7
JK		 771
772 leaq 8 * 32(%rax), %rcx;
773
774 inpack32_post(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
775 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
776 %ymm15, %rax, %rcx);
777
778 enc_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
779 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
780 %ymm15, %rax, %rcx, 0);
781
782 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
783 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
784 %ymm15,
785 ((key_table + (8) * 8) + 0)(CTX),
786 ((key_table + (8) * 8) + 4)(CTX),
787 ((key_table + (8) * 8) + 8)(CTX),
788 ((key_table + (8) * 8) + 12)(CTX));
789
790 enc_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
791 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
792 %ymm15, %rax, %rcx, 8);
793
794 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
795 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
796 %ymm15,
797 ((key_table + (16) * 8) + 0)(CTX),
798 ((key_table + (16) * 8) + 4)(CTX),
799 ((key_table + (16) * 8) + 8)(CTX),
800 ((key_table + (16) * 8) + 12)(CTX));
801
802 enc_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
803 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
804 %ymm15, %rax, %rcx, 16);
805
806 movl $24, %r8d;
807 cmpl $16, key_length(CTX);
808 jne .Lenc_max32;
809
810.Lenc_done:
811 /* load CD for output */
812 vmovdqu 0 * 32(%rcx), %ymm8;
813 vmovdqu 1 * 32(%rcx), %ymm9;
814 vmovdqu 2 * 32(%rcx), %ymm10;
815 vmovdqu 3 * 32(%rcx), %ymm11;
816 vmovdqu 4 * 32(%rcx), %ymm12;
817 vmovdqu 5 * 32(%rcx), %ymm13;
818 vmovdqu 6 * 32(%rcx), %ymm14;
819 vmovdqu 7 * 32(%rcx), %ymm15;
820
821 outunpack32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
822 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
823 %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax));
824
8691ccd7 825 FRAME_END
f3f935a7
JK		 826 ret;
827
828.align 8
829.Lenc_max32:
830 movl $32, %r8d;
831
832 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
833 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
834 %ymm15,
835 ((key_table + (24) * 8) + 0)(CTX),
836 ((key_table + (24) * 8) + 4)(CTX),
837 ((key_table + (24) * 8) + 8)(CTX),
838 ((key_table + (24) * 8) + 12)(CTX));
839
840 enc_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
841 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
842 %ymm15, %rax, %rcx, 24);
843
844 jmp .Lenc_done;
845ENDPROC(__camellia_enc_blk32)
846
847.align 8
848__camellia_dec_blk32:
849 /* input:
850 * %rdi: ctx, CTX
851 * %rax: temporary storage, 512 bytes
852 * %r8d: 24 for 16 byte key, 32 for larger
853 * %ymm0..%ymm15: 16 encrypted blocks
854 * output:
855 * %ymm0..%ymm15: 16 plaintext blocks, order swapped:
856 * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
857 */
8691ccd7 858 FRAME_BEGIN
f3f935a7
JK		 859
860 leaq 8 * 32(%rax), %rcx;
861
862 inpack32_post(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
863 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
864 %ymm15, %rax, %rcx);
865
866 cmpl $32, %r8d;
867 je .Ldec_max32;
868
869.Ldec_max24:
870 dec_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
871 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
872 %ymm15, %rax, %rcx, 16);
873
874 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
875 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
876 %ymm15,
877 ((key_table + (16) * 8) + 8)(CTX),
878 ((key_table + (16) * 8) + 12)(CTX),
879 ((key_table + (16) * 8) + 0)(CTX),
880 ((key_table + (16) * 8) + 4)(CTX));
881
882 dec_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
883 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
884 %ymm15, %rax, %rcx, 8);
885
886 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
887 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
888 %ymm15,
889 ((key_table + (8) * 8) + 8)(CTX),
890 ((key_table + (8) * 8) + 12)(CTX),
891 ((key_table + (8) * 8) + 0)(CTX),
892 ((key_table + (8) * 8) + 4)(CTX));
893
894 dec_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
895 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
896 %ymm15, %rax, %rcx, 0);
897
898 /* load CD for output */
899 vmovdqu 0 * 32(%rcx), %ymm8;
900 vmovdqu 1 * 32(%rcx), %ymm9;
901 vmovdqu 2 * 32(%rcx), %ymm10;
902 vmovdqu 3 * 32(%rcx), %ymm11;
903 vmovdqu 4 * 32(%rcx), %ymm12;
904 vmovdqu 5 * 32(%rcx), %ymm13;
905 vmovdqu 6 * 32(%rcx), %ymm14;
906 vmovdqu 7 * 32(%rcx), %ymm15;
907
908 outunpack32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
909 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
910 %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax));
911
8691ccd7 912 FRAME_END
f3f935a7
JK		 913 ret;
914
915.align 8
916.Ldec_max32:
917 dec_rounds32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
918 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
919 %ymm15, %rax, %rcx, 24);
920
921 fls32(%rax, %ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
922 %rcx, %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
923 %ymm15,
924 ((key_table + (24) * 8) + 8)(CTX),
925 ((key_table + (24) * 8) + 12)(CTX),
926 ((key_table + (24) * 8) + 0)(CTX),
927 ((key_table + (24) * 8) + 4)(CTX));
928
929 jmp .Ldec_max24;
930ENDPROC(__camellia_dec_blk32)
931
932ENTRY(camellia_ecb_enc_32way)
933 /* input:
934 * %rdi: ctx, CTX
935 * %rsi: dst (32 blocks)
936 * %rdx: src (32 blocks)
937 */
8691ccd7 938 FRAME_BEGIN
f3f935a7
JK		 939
940 vzeroupper;
941
942 inpack32_pre(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
943 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
944 %ymm15, %rdx, (key_table)(CTX));
945
946 /* now dst can be used as temporary buffer (even in src == dst case) */
947 movq %rsi, %rax;
948
949 call __camellia_enc_blk32;
950
951 write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0,
952 %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9,
953 %ymm8, %rsi);
954
955 vzeroupper;
956
8691ccd7 957 FRAME_END
f3f935a7
JK		 958 ret;
959ENDPROC(camellia_ecb_enc_32way)
960
961ENTRY(camellia_ecb_dec_32way)
962 /* input:
963 * %rdi: ctx, CTX
964 * %rsi: dst (32 blocks)
965 * %rdx: src (32 blocks)
966 */
8691ccd7 967 FRAME_BEGIN
f3f935a7
JK		 968
969 vzeroupper;
970
971 cmpl $16, key_length(CTX);
972 movl $32, %r8d;
973 movl $24, %eax;
974 cmovel %eax, %r8d; /* max */
975
976 inpack32_pre(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
977 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
978 %ymm15, %rdx, (key_table)(CTX, %r8, 8));
979
980 /* now dst can be used as temporary buffer (even in src == dst case) */
981 movq %rsi, %rax;
982
983 call __camellia_dec_blk32;
984
985 write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0,
986 %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9,
987 %ymm8, %rsi);
988
989 vzeroupper;
990
8691ccd7 991 FRAME_END
f3f935a7
JK		 992 ret;
993ENDPROC(camellia_ecb_dec_32way)
994
995ENTRY(camellia_cbc_dec_32way)
996 /* input:
997 * %rdi: ctx, CTX
998 * %rsi: dst (32 blocks)
999 * %rdx: src (32 blocks)
1000 */
8691ccd7 1001 FRAME_BEGIN
f3f935a7
JK		 1002
1003 vzeroupper;
1004
1005 cmpl $16, key_length(CTX);
1006 movl $32, %r8d;
1007 movl $24, %eax;
1008 cmovel %eax, %r8d; /* max */
1009
1010 inpack32_pre(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
1011 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
1012 %ymm15, %rdx, (key_table)(CTX, %r8, 8));
1013
1014 movq %rsp, %r10;
1015 cmpq %rsi, %rdx;
1016 je .Lcbc_dec_use_stack;
1017
1018 /* dst can be used as temporary storage, src is not overwritten. */
1019 movq %rsi, %rax;
1020 jmp .Lcbc_dec_continue;
1021
1022.Lcbc_dec_use_stack:
1023 /*
1024 * dst still in-use (because dst == src), so use stack for temporary
1025 * storage.
1026 */
1027 subq $(16 * 32), %rsp;
1028 movq %rsp, %rax;
1029
1030.Lcbc_dec_continue:
1031 call __camellia_dec_blk32;
1032
1033 vmovdqu %ymm7, (%rax);
1034 vpxor %ymm7, %ymm7, %ymm7;
1035 vinserti128 $1, (%rdx), %ymm7, %ymm7;
1036 vpxor (%rax), %ymm7, %ymm7;
1037 movq %r10, %rsp;
1038 vpxor (0 * 32 + 16)(%rdx), %ymm6, %ymm6;
1039 vpxor (1 * 32 + 16)(%rdx), %ymm5, %ymm5;
1040 vpxor (2 * 32 + 16)(%rdx), %ymm4, %ymm4;
1041 vpxor (3 * 32 + 16)(%rdx), %ymm3, %ymm3;
1042 vpxor (4 * 32 + 16)(%rdx), %ymm2, %ymm2;
1043 vpxor (5 * 32 + 16)(%rdx), %ymm1, %ymm1;
1044 vpxor (6 * 32 + 16)(%rdx), %ymm0, %ymm0;
1045 vpxor (7 * 32 + 16)(%rdx), %ymm15, %ymm15;
1046 vpxor (8 * 32 + 16)(%rdx), %ymm14, %ymm14;
1047 vpxor (9 * 32 + 16)(%rdx), %ymm13, %ymm13;
1048 vpxor (10 * 32 + 16)(%rdx), %ymm12, %ymm12;
1049 vpxor (11 * 32 + 16)(%rdx), %ymm11, %ymm11;
1050 vpxor (12 * 32 + 16)(%rdx), %ymm10, %ymm10;
1051 vpxor (13 * 32 + 16)(%rdx), %ymm9, %ymm9;
1052 vpxor (14 * 32 + 16)(%rdx), %ymm8, %ymm8;
1053 write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0,
1054 %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9,
1055 %ymm8, %rsi);
1056
1057 vzeroupper;
1058
8691ccd7 1059 FRAME_END
f3f935a7
JK		 1060 ret;
1061ENDPROC(camellia_cbc_dec_32way)
1062
1063#define inc_le128(x, minus_one, tmp) \
1064 vpcmpeqq minus_one, x, tmp; \
1065 vpsubq minus_one, x, x; \
1066 vpslldq $8, tmp, tmp; \
1067 vpsubq tmp, x, x;
1068
1069#define add2_le128(x, minus_one, minus_two, tmp1, tmp2) \
1070 vpcmpeqq minus_one, x, tmp1; \
1071 vpcmpeqq minus_two, x, tmp2; \
1072 vpsubq minus_two, x, x; \
1073 vpor tmp2, tmp1, tmp1; \
1074 vpslldq $8, tmp1, tmp1; \
1075 vpsubq tmp1, x, x;
1076
1077ENTRY(camellia_ctr_32way)
1078 /* input:
1079 * %rdi: ctx, CTX
1080 * %rsi: dst (32 blocks)
1081 * %rdx: src (32 blocks)
1082 * %rcx: iv (little endian, 128bit)
1083 */
8691ccd7 1084 FRAME_BEGIN
f3f935a7
JK		 1085
1086 vzeroupper;
1087
1088 movq %rsp, %r10;
1089 cmpq %rsi, %rdx;
1090 je .Lctr_use_stack;
1091
1092 /* dst can be used as temporary storage, src is not overwritten. */
1093 movq %rsi, %rax;
1094 jmp .Lctr_continue;
1095
1096.Lctr_use_stack:
1097 subq $(16 * 32), %rsp;
1098 movq %rsp, %rax;
1099
1100.Lctr_continue:
1101 vpcmpeqd %ymm15, %ymm15, %ymm15;
1102 vpsrldq $8, %ymm15, %ymm15; /* ab: -1:0 ; cd: -1:0 */
1103 vpaddq %ymm15, %ymm15, %ymm12; /* ab: -2:0 ; cd: -2:0 */
1104
1105 /* load IV and byteswap */
1106 vmovdqu (%rcx), %xmm0;
1107 vmovdqa %xmm0, %xmm1;
1108 inc_le128(%xmm0, %xmm15, %xmm14);
1109 vbroadcasti128 .Lbswap128_mask, %ymm14;
1110 vinserti128 $1, %xmm0, %ymm1, %ymm0;
1111 vpshufb %ymm14, %ymm0, %ymm13;
1112 vmovdqu %ymm13, 15 * 32(%rax);
1113
1114 /* construct IVs */
1115 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13); /* ab:le2 ; cd:le3 */
1116 vpshufb %ymm14, %ymm0, %ymm13;
1117 vmovdqu %ymm13, 14 * 32(%rax);
1118 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1119 vpshufb %ymm14, %ymm0, %ymm13;
1120 vmovdqu %ymm13, 13 * 32(%rax);
1121 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1122 vpshufb %ymm14, %ymm0, %ymm13;
1123 vmovdqu %ymm13, 12 * 32(%rax);
1124 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1125 vpshufb %ymm14, %ymm0, %ymm13;
1126 vmovdqu %ymm13, 11 * 32(%rax);
1127 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1128 vpshufb %ymm14, %ymm0, %ymm10;
1129 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1130 vpshufb %ymm14, %ymm0, %ymm9;
1131 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1132 vpshufb %ymm14, %ymm0, %ymm8;
1133 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1134 vpshufb %ymm14, %ymm0, %ymm7;
1135 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1136 vpshufb %ymm14, %ymm0, %ymm6;
1137 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1138 vpshufb %ymm14, %ymm0, %ymm5;
1139 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1140 vpshufb %ymm14, %ymm0, %ymm4;
1141 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1142 vpshufb %ymm14, %ymm0, %ymm3;
1143 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1144 vpshufb %ymm14, %ymm0, %ymm2;
1145 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1146 vpshufb %ymm14, %ymm0, %ymm1;
1147 add2_le128(%ymm0, %ymm15, %ymm12, %ymm11, %ymm13);
1148 vextracti128 $1, %ymm0, %xmm13;
1149 vpshufb %ymm14, %ymm0, %ymm0;
1150 inc_le128(%xmm13, %xmm15, %xmm14);
1151 vmovdqu %xmm13, (%rcx);
1152
1153 /* inpack32_pre: */
1154 vpbroadcastq (key_table)(CTX), %ymm15;
1155 vpshufb .Lpack_bswap, %ymm15, %ymm15;
1156 vpxor %ymm0, %ymm15, %ymm0;
1157 vpxor %ymm1, %ymm15, %ymm1;
1158 vpxor %ymm2, %ymm15, %ymm2;
1159 vpxor %ymm3, %ymm15, %ymm3;
1160 vpxor %ymm4, %ymm15, %ymm4;
1161 vpxor %ymm5, %ymm15, %ymm5;
1162 vpxor %ymm6, %ymm15, %ymm6;
1163 vpxor %ymm7, %ymm15, %ymm7;
1164 vpxor %ymm8, %ymm15, %ymm8;
1165 vpxor %ymm9, %ymm15, %ymm9;
1166 vpxor %ymm10, %ymm15, %ymm10;
1167 vpxor 11 * 32(%rax), %ymm15, %ymm11;
1168 vpxor 12 * 32(%rax), %ymm15, %ymm12;
1169 vpxor 13 * 32(%rax), %ymm15, %ymm13;
1170 vpxor 14 * 32(%rax), %ymm15, %ymm14;
1171 vpxor 15 * 32(%rax), %ymm15, %ymm15;
1172
1173 call __camellia_enc_blk32;
1174
1175 movq %r10, %rsp;
1176
1177 vpxor 0 * 32(%rdx), %ymm7, %ymm7;
1178 vpxor 1 * 32(%rdx), %ymm6, %ymm6;
1179 vpxor 2 * 32(%rdx), %ymm5, %ymm5;
1180 vpxor 3 * 32(%rdx), %ymm4, %ymm4;
1181 vpxor 4 * 32(%rdx), %ymm3, %ymm3;
1182 vpxor 5 * 32(%rdx), %ymm2, %ymm2;
1183 vpxor 6 * 32(%rdx), %ymm1, %ymm1;
1184 vpxor 7 * 32(%rdx), %ymm0, %ymm0;
1185 vpxor 8 * 32(%rdx), %ymm15, %ymm15;
1186 vpxor 9 * 32(%rdx), %ymm14, %ymm14;
1187 vpxor 10 * 32(%rdx), %ymm13, %ymm13;
1188 vpxor 11 * 32(%rdx), %ymm12, %ymm12;
1189 vpxor 12 * 32(%rdx), %ymm11, %ymm11;
1190 vpxor 13 * 32(%rdx), %ymm10, %ymm10;
1191 vpxor 14 * 32(%rdx), %ymm9, %ymm9;
1192 vpxor 15 * 32(%rdx), %ymm8, %ymm8;
1193 write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0,
1194 %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9,
1195 %ymm8, %rsi);
1196
1197 vzeroupper;
1198
8691ccd7 1199 FRAME_END
f3f935a7
JK		 1200 ret;
1201ENDPROC(camellia_ctr_32way)
1202
1203#define gf128mul_x_ble(iv, mask, tmp) \
1204 vpsrad $31, iv, tmp; \
1205 vpaddq iv, iv, iv; \
1206 vpshufd $0x13, tmp, tmp; \
1207 vpand mask, tmp, tmp; \
1208 vpxor tmp, iv, iv;
1209
1210#define gf128mul_x2_ble(iv, mask1, mask2, tmp0, tmp1) \
1211 vpsrad $31, iv, tmp0; \
1212 vpaddq iv, iv, tmp1; \
1213 vpsllq $2, iv, iv; \
1214 vpshufd $0x13, tmp0, tmp0; \
1215 vpsrad $31, tmp1, tmp1; \
1216 vpand mask2, tmp0, tmp0; \
1217 vpshufd $0x13, tmp1, tmp1; \
1218 vpxor tmp0, iv, iv; \
1219 vpand mask1, tmp1, tmp1; \
1220 vpxor tmp1, iv, iv;
1221
1222.align 8
1223camellia_xts_crypt_32way:
1224 /* input:
1225 * %rdi: ctx, CTX
1226 * %rsi: dst (32 blocks)
1227 * %rdx: src (32 blocks)
1228 * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
1229 * %r8: index for input whitening key
1230 * %r9: pointer to __camellia_enc_blk32 or __camellia_dec_blk32
1231 */
8691ccd7 1232 FRAME_BEGIN
f3f935a7
JK		 1233
1234 vzeroupper;
1235
1236 subq $(16 * 32), %rsp;
1237 movq %rsp, %rax;
1238
1239 vbroadcasti128 .Lxts_gf128mul_and_shl1_mask_0, %ymm12;
1240
1241 /* load IV and construct second IV */
1242 vmovdqu (%rcx), %xmm0;
1243 vmovdqa %xmm0, %xmm15;
1244 gf128mul_x_ble(%xmm0, %xmm12, %xmm13);
1245 vbroadcasti128 .Lxts_gf128mul_and_shl1_mask_1, %ymm13;
1246 vinserti128 $1, %xmm0, %ymm15, %ymm0;
1247 vpxor 0 * 32(%rdx), %ymm0, %ymm15;
1248 vmovdqu %ymm15, 15 * 32(%rax);
1249 vmovdqu %ymm0, 0 * 32(%rsi);
1250
1251 /* construct IVs */
1252 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1253 vpxor 1 * 32(%rdx), %ymm0, %ymm15;
1254 vmovdqu %ymm15, 14 * 32(%rax);
1255 vmovdqu %ymm0, 1 * 32(%rsi);
1256
1257 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1258 vpxor 2 * 32(%rdx), %ymm0, %ymm15;
1259 vmovdqu %ymm15, 13 * 32(%rax);
1260 vmovdqu %ymm0, 2 * 32(%rsi);
1261
1262 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1263 vpxor 3 * 32(%rdx), %ymm0, %ymm15;
1264 vmovdqu %ymm15, 12 * 32(%rax);
1265 vmovdqu %ymm0, 3 * 32(%rsi);
1266
1267 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1268 vpxor 4 * 32(%rdx), %ymm0, %ymm11;
1269 vmovdqu %ymm0, 4 * 32(%rsi);
1270
1271 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1272 vpxor 5 * 32(%rdx), %ymm0, %ymm10;
1273 vmovdqu %ymm0, 5 * 32(%rsi);
1274
1275 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1276 vpxor 6 * 32(%rdx), %ymm0, %ymm9;
1277 vmovdqu %ymm0, 6 * 32(%rsi);
1278
1279 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1280 vpxor 7 * 32(%rdx), %ymm0, %ymm8;
1281 vmovdqu %ymm0, 7 * 32(%rsi);
1282
1283 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1284 vpxor 8 * 32(%rdx), %ymm0, %ymm7;
1285 vmovdqu %ymm0, 8 * 32(%rsi);
1286
1287 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1288 vpxor 9 * 32(%rdx), %ymm0, %ymm6;
1289 vmovdqu %ymm0, 9 * 32(%rsi);
1290
1291 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1292 vpxor 10 * 32(%rdx), %ymm0, %ymm5;
1293 vmovdqu %ymm0, 10 * 32(%rsi);
1294
1295 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1296 vpxor 11 * 32(%rdx), %ymm0, %ymm4;
1297 vmovdqu %ymm0, 11 * 32(%rsi);
1298
1299 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1300 vpxor 12 * 32(%rdx), %ymm0, %ymm3;
1301 vmovdqu %ymm0, 12 * 32(%rsi);
1302
1303 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1304 vpxor 13 * 32(%rdx), %ymm0, %ymm2;
1305 vmovdqu %ymm0, 13 * 32(%rsi);
1306
1307 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1308 vpxor 14 * 32(%rdx), %ymm0, %ymm1;
1309 vmovdqu %ymm0, 14 * 32(%rsi);
1310
1311 gf128mul_x2_ble(%ymm0, %ymm12, %ymm13, %ymm14, %ymm15);
1312 vpxor 15 * 32(%rdx), %ymm0, %ymm15;
1313 vmovdqu %ymm15, 0 * 32(%rax);
1314 vmovdqu %ymm0, 15 * 32(%rsi);
1315
1316 vextracti128 $1, %ymm0, %xmm0;
1317 gf128mul_x_ble(%xmm0, %xmm12, %xmm15);
1318 vmovdqu %xmm0, (%rcx);
1319
1320 /* inpack32_pre: */
1321 vpbroadcastq (key_table)(CTX, %r8, 8), %ymm15;
1322 vpshufb .Lpack_bswap, %ymm15, %ymm15;
1323 vpxor 0 * 32(%rax), %ymm15, %ymm0;
1324 vpxor %ymm1, %ymm15, %ymm1;
1325 vpxor %ymm2, %ymm15, %ymm2;
1326 vpxor %ymm3, %ymm15, %ymm3;
1327 vpxor %ymm4, %ymm15, %ymm4;
1328 vpxor %ymm5, %ymm15, %ymm5;
1329 vpxor %ymm6, %ymm15, %ymm6;
1330 vpxor %ymm7, %ymm15, %ymm7;
1331 vpxor %ymm8, %ymm15, %ymm8;
1332 vpxor %ymm9, %ymm15, %ymm9;
1333 vpxor %ymm10, %ymm15, %ymm10;
1334 vpxor %ymm11, %ymm15, %ymm11;
1335 vpxor 12 * 32(%rax), %ymm15, %ymm12;
1336 vpxor 13 * 32(%rax), %ymm15, %ymm13;
1337 vpxor 14 * 32(%rax), %ymm15, %ymm14;
1338 vpxor 15 * 32(%rax), %ymm15, %ymm15;
1339
1340 call *%r9;
1341
1342 addq $(16 * 32), %rsp;
1343
1344 vpxor 0 * 32(%rsi), %ymm7, %ymm7;
1345 vpxor 1 * 32(%rsi), %ymm6, %ymm6;
1346 vpxor 2 * 32(%rsi), %ymm5, %ymm5;
1347 vpxor 3 * 32(%rsi), %ymm4, %ymm4;
1348 vpxor 4 * 32(%rsi), %ymm3, %ymm3;
1349 vpxor 5 * 32(%rsi), %ymm2, %ymm2;
1350 vpxor 6 * 32(%rsi), %ymm1, %ymm1;
1351 vpxor 7 * 32(%rsi), %ymm0, %ymm0;
1352 vpxor 8 * 32(%rsi), %ymm15, %ymm15;
1353 vpxor 9 * 32(%rsi), %ymm14, %ymm14;
1354 vpxor 10 * 32(%rsi), %ymm13, %ymm13;
1355 vpxor 11 * 32(%rsi), %ymm12, %ymm12;
1356 vpxor 12 * 32(%rsi), %ymm11, %ymm11;
1357 vpxor 13 * 32(%rsi), %ymm10, %ymm10;
1358 vpxor 14 * 32(%rsi), %ymm9, %ymm9;
1359 vpxor 15 * 32(%rsi), %ymm8, %ymm8;
1360 write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0,
1361 %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9,
1362 %ymm8, %rsi);
1363
1364 vzeroupper;
1365
8691ccd7 1366 FRAME_END
f3f935a7
JK		 1367 ret;
1368ENDPROC(camellia_xts_crypt_32way)
1369
1370ENTRY(camellia_xts_enc_32way)
1371 /* input:
1372 * %rdi: ctx, CTX
1373 * %rsi: dst (32 blocks)
1374 * %rdx: src (32 blocks)
1375 * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
1376 */
1377
1378 xorl %r8d, %r8d; /* input whitening key, 0 for enc */
1379
1380 leaq __camellia_enc_blk32, %r9;
1381
1382 jmp camellia_xts_crypt_32way;
1383ENDPROC(camellia_xts_enc_32way)
1384
1385ENTRY(camellia_xts_dec_32way)
1386 /* input:
1387 * %rdi: ctx, CTX
1388 * %rsi: dst (32 blocks)
1389 * %rdx: src (32 blocks)
1390 * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
1391 */
1392
1393 cmpl $16, key_length(CTX);
1394 movl $32, %r8d;
1395 movl $24, %eax;
1396 cmovel %eax, %r8d; /* input whitening key, last for dec */
1397
1398 leaq __camellia_dec_blk32, %r9;
1399
1400 jmp camellia_xts_crypt_32way;
1401ENDPROC(camellia_xts_dec_32way)
Linux kernel - Deliverables
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