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d9b1d2e7 JK |
1 | /* |
2 | * x86_64/AVX/AES-NI assembler implementation of Camellia | |
3 | * | |
b5c5b072 | 4 | * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> |
d9b1d2e7 JK |
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 | /* | |
14 | * Version licensed under 2-clause BSD License is available at: | |
15 | * http://koti.mbnet.fi/axh/crypto/camellia-BSD-1.2.0-aesni1.tar.xz | |
16 | */ | |
17 | ||
59990684 | 18 | #include <linux/linkage.h> |
8691ccd7 | 19 | #include <asm/frame.h> |
59990684 | 20 | |
d9b1d2e7 JK |
21 | #define CAMELLIA_TABLE_BYTE_LEN 272 |
22 | ||
23 | /* struct camellia_ctx: */ | |
24 | #define key_table 0 | |
25 | #define key_length CAMELLIA_TABLE_BYTE_LEN | |
26 | ||
27 | /* register macros */ | |
28 | #define CTX %rdi | |
29 | ||
30 | /********************************************************************** | |
31 | 16-way camellia | |
32 | **********************************************************************/ | |
33 | #define filter_8bit(x, lo_t, hi_t, mask4bit, tmp0) \ | |
34 | vpand x, mask4bit, tmp0; \ | |
35 | vpandn x, mask4bit, x; \ | |
36 | vpsrld $4, x, x; \ | |
37 | \ | |
38 | vpshufb tmp0, lo_t, tmp0; \ | |
39 | vpshufb x, hi_t, x; \ | |
40 | vpxor tmp0, x, x; | |
41 | ||
42 | /* | |
43 | * IN: | |
44 | * x0..x7: byte-sliced AB state | |
45 | * mem_cd: register pointer storing CD state | |
46 | * key: index for key material | |
47 | * OUT: | |
48 | * x0..x7: new byte-sliced CD state | |
49 | */ | |
50 | #define roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2, t3, t4, t5, t6, \ | |
51 | t7, mem_cd, key) \ | |
52 | /* \ | |
53 | * S-function with AES subbytes \ | |
54 | */ \ | |
55 | vmovdqa .Linv_shift_row, t4; \ | |
56 | vbroadcastss .L0f0f0f0f, t7; \ | |
57 | vmovdqa .Lpre_tf_lo_s1, t0; \ | |
58 | vmovdqa .Lpre_tf_hi_s1, t1; \ | |
59 | \ | |
60 | /* AES inverse shift rows */ \ | |
61 | vpshufb t4, x0, x0; \ | |
62 | vpshufb t4, x7, x7; \ | |
63 | vpshufb t4, x1, x1; \ | |
64 | vpshufb t4, x4, x4; \ | |
65 | vpshufb t4, x2, x2; \ | |
66 | vpshufb t4, x5, x5; \ | |
67 | vpshufb t4, x3, x3; \ | |
68 | vpshufb t4, x6, x6; \ | |
69 | \ | |
70 | /* prefilter sboxes 1, 2 and 3 */ \ | |
71 | vmovdqa .Lpre_tf_lo_s4, t2; \ | |
72 | vmovdqa .Lpre_tf_hi_s4, t3; \ | |
73 | filter_8bit(x0, t0, t1, t7, t6); \ | |
74 | filter_8bit(x7, t0, t1, t7, t6); \ | |
75 | filter_8bit(x1, t0, t1, t7, t6); \ | |
76 | filter_8bit(x4, t0, t1, t7, t6); \ | |
77 | filter_8bit(x2, t0, t1, t7, t6); \ | |
78 | filter_8bit(x5, t0, t1, t7, t6); \ | |
79 | \ | |
80 | /* prefilter sbox 4 */ \ | |
81 | vpxor t4, t4, t4; \ | |
82 | filter_8bit(x3, t2, t3, t7, t6); \ | |
83 | filter_8bit(x6, t2, t3, t7, t6); \ | |
84 | \ | |
85 | /* AES subbytes + AES shift rows */ \ | |
86 | vmovdqa .Lpost_tf_lo_s1, t0; \ | |
87 | vmovdqa .Lpost_tf_hi_s1, t1; \ | |
88 | vaesenclast t4, x0, x0; \ | |
89 | vaesenclast t4, x7, x7; \ | |
90 | vaesenclast t4, x1, x1; \ | |
91 | vaesenclast t4, x4, x4; \ | |
92 | vaesenclast t4, x2, x2; \ | |
93 | vaesenclast t4, x5, x5; \ | |
94 | vaesenclast t4, x3, x3; \ | |
95 | vaesenclast t4, x6, x6; \ | |
96 | \ | |
97 | /* postfilter sboxes 1 and 4 */ \ | |
98 | vmovdqa .Lpost_tf_lo_s3, t2; \ | |
99 | vmovdqa .Lpost_tf_hi_s3, t3; \ | |
100 | filter_8bit(x0, t0, t1, t7, t6); \ | |
101 | filter_8bit(x7, t0, t1, t7, t6); \ | |
102 | filter_8bit(x3, t0, t1, t7, t6); \ | |
103 | filter_8bit(x6, t0, t1, t7, t6); \ | |
104 | \ | |
105 | /* postfilter sbox 3 */ \ | |
106 | vmovdqa .Lpost_tf_lo_s2, t4; \ | |
107 | vmovdqa .Lpost_tf_hi_s2, t5; \ | |
108 | filter_8bit(x2, t2, t3, t7, t6); \ | |
109 | filter_8bit(x5, t2, t3, t7, t6); \ | |
110 | \ | |
111 | vpxor t6, t6, t6; \ | |
112 | vmovq key, t0; \ | |
113 | \ | |
114 | /* postfilter sbox 2 */ \ | |
115 | filter_8bit(x1, t4, t5, t7, t2); \ | |
116 | filter_8bit(x4, t4, t5, t7, t2); \ | |
117 | \ | |
118 | vpsrldq $5, t0, t5; \ | |
119 | vpsrldq $1, t0, t1; \ | |
120 | vpsrldq $2, t0, t2; \ | |
121 | vpsrldq $3, t0, t3; \ | |
122 | vpsrldq $4, t0, t4; \ | |
123 | vpshufb t6, t0, t0; \ | |
124 | vpshufb t6, t1, t1; \ | |
125 | vpshufb t6, t2, t2; \ | |
126 | vpshufb t6, t3, t3; \ | |
127 | vpshufb t6, t4, t4; \ | |
128 | vpsrldq $2, t5, t7; \ | |
129 | vpshufb t6, t7, t7; \ | |
130 | \ | |
131 | /* \ | |
132 | * P-function \ | |
133 | */ \ | |
134 | vpxor x5, x0, x0; \ | |
135 | vpxor x6, x1, x1; \ | |
136 | vpxor x7, x2, x2; \ | |
137 | vpxor x4, x3, x3; \ | |
138 | \ | |
139 | vpxor x2, x4, x4; \ | |
140 | vpxor x3, x5, x5; \ | |
141 | vpxor x0, x6, x6; \ | |
142 | vpxor x1, x7, x7; \ | |
143 | \ | |
144 | vpxor x7, x0, x0; \ | |
145 | vpxor x4, x1, x1; \ | |
146 | vpxor x5, x2, x2; \ | |
147 | vpxor x6, x3, x3; \ | |
148 | \ | |
149 | vpxor x3, x4, x4; \ | |
150 | vpxor x0, x5, x5; \ | |
151 | vpxor x1, x6, x6; \ | |
152 | vpxor x2, x7, x7; /* note: high and low parts swapped */ \ | |
153 | \ | |
154 | /* \ | |
155 | * Add key material and result to CD (x becomes new CD) \ | |
156 | */ \ | |
157 | \ | |
158 | vpxor t3, x4, x4; \ | |
159 | vpxor 0 * 16(mem_cd), x4, x4; \ | |
160 | \ | |
161 | vpxor t2, x5, x5; \ | |
162 | vpxor 1 * 16(mem_cd), x5, x5; \ | |
163 | \ | |
164 | vpsrldq $1, t5, t3; \ | |
165 | vpshufb t6, t5, t5; \ | |
166 | vpshufb t6, t3, t6; \ | |
167 | \ | |
168 | vpxor t1, x6, x6; \ | |
169 | vpxor 2 * 16(mem_cd), x6, x6; \ | |
170 | \ | |
171 | vpxor t0, x7, x7; \ | |
172 | vpxor 3 * 16(mem_cd), x7, x7; \ | |
173 | \ | |
174 | vpxor t7, x0, x0; \ | |
175 | vpxor 4 * 16(mem_cd), x0, x0; \ | |
176 | \ | |
177 | vpxor t6, x1, x1; \ | |
178 | vpxor 5 * 16(mem_cd), x1, x1; \ | |
179 | \ | |
180 | vpxor t5, x2, x2; \ | |
181 | vpxor 6 * 16(mem_cd), x2, x2; \ | |
182 | \ | |
183 | vpxor t4, x3, x3; \ | |
184 | vpxor 7 * 16(mem_cd), x3, x3; | |
185 | ||
186 | /* | |
187 | * Size optimization... with inlined roundsm16, binary would be over 5 times | |
188 | * larger and would only be 0.5% faster (on sandy-bridge). | |
189 | */ | |
190 | .align 8 | |
191 | roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: | |
192 | roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
193 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, | |
194 | %rcx, (%r9)); | |
195 | ret; | |
59990684 | 196 | ENDPROC(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) |
d9b1d2e7 JK |
197 | |
198 | .align 8 | |
199 | roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: | |
200 | roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3, | |
201 | %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11, | |
202 | %rax, (%r9)); | |
203 | ret; | |
59990684 | 204 | ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) |
d9b1d2e7 JK |
205 | |
206 | /* | |
207 | * IN/OUT: | |
208 | * x0..x7: byte-sliced AB state preloaded | |
209 | * mem_ab: byte-sliced AB state in memory | |
210 | * mem_cb: byte-sliced CD state in memory | |
211 | */ | |
212 | #define two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
213 | y6, y7, mem_ab, mem_cd, i, dir, store_ab) \ | |
214 | leaq (key_table + (i) * 8)(CTX), %r9; \ | |
215 | call roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ | |
216 | \ | |
217 | vmovdqu x4, 0 * 16(mem_cd); \ | |
218 | vmovdqu x5, 1 * 16(mem_cd); \ | |
219 | vmovdqu x6, 2 * 16(mem_cd); \ | |
220 | vmovdqu x7, 3 * 16(mem_cd); \ | |
221 | vmovdqu x0, 4 * 16(mem_cd); \ | |
222 | vmovdqu x1, 5 * 16(mem_cd); \ | |
223 | vmovdqu x2, 6 * 16(mem_cd); \ | |
224 | vmovdqu x3, 7 * 16(mem_cd); \ | |
225 | \ | |
226 | leaq (key_table + ((i) + (dir)) * 8)(CTX), %r9; \ | |
227 | call roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ | |
228 | \ | |
229 | store_ab(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab); | |
230 | ||
231 | #define dummy_store(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) /* do nothing */ | |
232 | ||
233 | #define store_ab_state(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) \ | |
234 | /* Store new AB state */ \ | |
235 | vmovdqu x0, 0 * 16(mem_ab); \ | |
236 | vmovdqu x1, 1 * 16(mem_ab); \ | |
237 | vmovdqu x2, 2 * 16(mem_ab); \ | |
238 | vmovdqu x3, 3 * 16(mem_ab); \ | |
239 | vmovdqu x4, 4 * 16(mem_ab); \ | |
240 | vmovdqu x5, 5 * 16(mem_ab); \ | |
241 | vmovdqu x6, 6 * 16(mem_ab); \ | |
242 | vmovdqu x7, 7 * 16(mem_ab); | |
243 | ||
244 | #define enc_rounds16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
245 | y6, y7, mem_ab, mem_cd, i) \ | |
246 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
247 | y6, y7, mem_ab, mem_cd, (i) + 2, 1, store_ab_state); \ | |
248 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
249 | y6, y7, mem_ab, mem_cd, (i) + 4, 1, store_ab_state); \ | |
250 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
251 | y6, y7, mem_ab, mem_cd, (i) + 6, 1, dummy_store); | |
252 | ||
253 | #define dec_rounds16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
254 | y6, y7, mem_ab, mem_cd, i) \ | |
255 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
256 | y6, y7, mem_ab, mem_cd, (i) + 7, -1, store_ab_state); \ | |
257 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
258 | y6, y7, mem_ab, mem_cd, (i) + 5, -1, store_ab_state); \ | |
259 | two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
260 | y6, y7, mem_ab, mem_cd, (i) + 3, -1, dummy_store); | |
261 | ||
262 | /* | |
263 | * IN: | |
264 | * v0..3: byte-sliced 32-bit integers | |
265 | * OUT: | |
266 | * v0..3: (IN <<< 1) | |
267 | */ | |
268 | #define rol32_1_16(v0, v1, v2, v3, t0, t1, t2, zero) \ | |
269 | vpcmpgtb v0, zero, t0; \ | |
270 | vpaddb v0, v0, v0; \ | |
271 | vpabsb t0, t0; \ | |
272 | \ | |
273 | vpcmpgtb v1, zero, t1; \ | |
274 | vpaddb v1, v1, v1; \ | |
275 | vpabsb t1, t1; \ | |
276 | \ | |
277 | vpcmpgtb v2, zero, t2; \ | |
278 | vpaddb v2, v2, v2; \ | |
279 | vpabsb t2, t2; \ | |
280 | \ | |
281 | vpor t0, v1, v1; \ | |
282 | \ | |
283 | vpcmpgtb v3, zero, t0; \ | |
284 | vpaddb v3, v3, v3; \ | |
285 | vpabsb t0, t0; \ | |
286 | \ | |
287 | vpor t1, v2, v2; \ | |
288 | vpor t2, v3, v3; \ | |
289 | vpor t0, v0, v0; | |
290 | ||
291 | /* | |
292 | * IN: | |
293 | * r: byte-sliced AB state in memory | |
294 | * l: byte-sliced CD state in memory | |
295 | * OUT: | |
296 | * x0..x7: new byte-sliced CD state | |
297 | */ | |
298 | #define fls16(l, l0, l1, l2, l3, l4, l5, l6, l7, r, t0, t1, t2, t3, tt0, \ | |
299 | tt1, tt2, tt3, kll, klr, krl, krr) \ | |
300 | /* \ | |
301 | * t0 = kll; \ | |
302 | * t0 &= ll; \ | |
303 | * lr ^= rol32(t0, 1); \ | |
304 | */ \ | |
305 | vpxor tt0, tt0, tt0; \ | |
306 | vmovd kll, t0; \ | |
307 | vpshufb tt0, t0, t3; \ | |
308 | vpsrldq $1, t0, t0; \ | |
309 | vpshufb tt0, t0, t2; \ | |
310 | vpsrldq $1, t0, t0; \ | |
311 | vpshufb tt0, t0, t1; \ | |
312 | vpsrldq $1, t0, t0; \ | |
313 | vpshufb tt0, t0, t0; \ | |
314 | \ | |
315 | vpand l0, t0, t0; \ | |
316 | vpand l1, t1, t1; \ | |
317 | vpand l2, t2, t2; \ | |
318 | vpand l3, t3, t3; \ | |
319 | \ | |
320 | rol32_1_16(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \ | |
321 | \ | |
322 | vpxor l4, t0, l4; \ | |
323 | vmovdqu l4, 4 * 16(l); \ | |
324 | vpxor l5, t1, l5; \ | |
325 | vmovdqu l5, 5 * 16(l); \ | |
326 | vpxor l6, t2, l6; \ | |
327 | vmovdqu l6, 6 * 16(l); \ | |
328 | vpxor l7, t3, l7; \ | |
329 | vmovdqu l7, 7 * 16(l); \ | |
330 | \ | |
331 | /* \ | |
332 | * t2 = krr; \ | |
333 | * t2 |= rr; \ | |
334 | * rl ^= t2; \ | |
335 | */ \ | |
336 | \ | |
337 | vmovd krr, t0; \ | |
338 | vpshufb tt0, t0, t3; \ | |
339 | vpsrldq $1, t0, t0; \ | |
340 | vpshufb tt0, t0, t2; \ | |
341 | vpsrldq $1, t0, t0; \ | |
342 | vpshufb tt0, t0, t1; \ | |
343 | vpsrldq $1, t0, t0; \ | |
344 | vpshufb tt0, t0, t0; \ | |
345 | \ | |
346 | vpor 4 * 16(r), t0, t0; \ | |
347 | vpor 5 * 16(r), t1, t1; \ | |
348 | vpor 6 * 16(r), t2, t2; \ | |
349 | vpor 7 * 16(r), t3, t3; \ | |
350 | \ | |
351 | vpxor 0 * 16(r), t0, t0; \ | |
352 | vpxor 1 * 16(r), t1, t1; \ | |
353 | vpxor 2 * 16(r), t2, t2; \ | |
354 | vpxor 3 * 16(r), t3, t3; \ | |
355 | vmovdqu t0, 0 * 16(r); \ | |
356 | vmovdqu t1, 1 * 16(r); \ | |
357 | vmovdqu t2, 2 * 16(r); \ | |
358 | vmovdqu t3, 3 * 16(r); \ | |
359 | \ | |
360 | /* \ | |
361 | * t2 = krl; \ | |
362 | * t2 &= rl; \ | |
363 | * rr ^= rol32(t2, 1); \ | |
364 | */ \ | |
365 | vmovd krl, t0; \ | |
366 | vpshufb tt0, t0, t3; \ | |
367 | vpsrldq $1, t0, t0; \ | |
368 | vpshufb tt0, t0, t2; \ | |
369 | vpsrldq $1, t0, t0; \ | |
370 | vpshufb tt0, t0, t1; \ | |
371 | vpsrldq $1, t0, t0; \ | |
372 | vpshufb tt0, t0, t0; \ | |
373 | \ | |
374 | vpand 0 * 16(r), t0, t0; \ | |
375 | vpand 1 * 16(r), t1, t1; \ | |
376 | vpand 2 * 16(r), t2, t2; \ | |
377 | vpand 3 * 16(r), t3, t3; \ | |
378 | \ | |
379 | rol32_1_16(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \ | |
380 | \ | |
381 | vpxor 4 * 16(r), t0, t0; \ | |
382 | vpxor 5 * 16(r), t1, t1; \ | |
383 | vpxor 6 * 16(r), t2, t2; \ | |
384 | vpxor 7 * 16(r), t3, t3; \ | |
385 | vmovdqu t0, 4 * 16(r); \ | |
386 | vmovdqu t1, 5 * 16(r); \ | |
387 | vmovdqu t2, 6 * 16(r); \ | |
388 | vmovdqu t3, 7 * 16(r); \ | |
389 | \ | |
390 | /* \ | |
391 | * t0 = klr; \ | |
392 | * t0 |= lr; \ | |
393 | * ll ^= t0; \ | |
394 | */ \ | |
395 | \ | |
396 | vmovd klr, t0; \ | |
397 | vpshufb tt0, t0, t3; \ | |
398 | vpsrldq $1, t0, t0; \ | |
399 | vpshufb tt0, t0, t2; \ | |
400 | vpsrldq $1, t0, t0; \ | |
401 | vpshufb tt0, t0, t1; \ | |
402 | vpsrldq $1, t0, t0; \ | |
403 | vpshufb tt0, t0, t0; \ | |
404 | \ | |
405 | vpor l4, t0, t0; \ | |
406 | vpor l5, t1, t1; \ | |
407 | vpor l6, t2, t2; \ | |
408 | vpor l7, t3, t3; \ | |
409 | \ | |
410 | vpxor l0, t0, l0; \ | |
411 | vmovdqu l0, 0 * 16(l); \ | |
412 | vpxor l1, t1, l1; \ | |
413 | vmovdqu l1, 1 * 16(l); \ | |
414 | vpxor l2, t2, l2; \ | |
415 | vmovdqu l2, 2 * 16(l); \ | |
416 | vpxor l3, t3, l3; \ | |
417 | vmovdqu l3, 3 * 16(l); | |
418 | ||
419 | #define transpose_4x4(x0, x1, x2, x3, t1, t2) \ | |
420 | vpunpckhdq x1, x0, t2; \ | |
421 | vpunpckldq x1, x0, x0; \ | |
422 | \ | |
423 | vpunpckldq x3, x2, t1; \ | |
424 | vpunpckhdq x3, x2, x2; \ | |
425 | \ | |
426 | vpunpckhqdq t1, x0, x1; \ | |
427 | vpunpcklqdq t1, x0, x0; \ | |
428 | \ | |
429 | vpunpckhqdq x2, t2, x3; \ | |
430 | vpunpcklqdq x2, t2, x2; | |
431 | ||
432 | #define byteslice_16x16b(a0, b0, c0, d0, a1, b1, c1, d1, a2, b2, c2, d2, a3, \ | |
433 | b3, c3, d3, st0, st1) \ | |
434 | vmovdqu d2, st0; \ | |
435 | vmovdqu d3, st1; \ | |
436 | transpose_4x4(a0, a1, a2, a3, d2, d3); \ | |
437 | transpose_4x4(b0, b1, b2, b3, d2, d3); \ | |
438 | vmovdqu st0, d2; \ | |
439 | vmovdqu st1, d3; \ | |
440 | \ | |
441 | vmovdqu a0, st0; \ | |
442 | vmovdqu a1, st1; \ | |
443 | transpose_4x4(c0, c1, c2, c3, a0, a1); \ | |
444 | transpose_4x4(d0, d1, d2, d3, a0, a1); \ | |
445 | \ | |
446 | vmovdqu .Lshufb_16x16b, a0; \ | |
447 | vmovdqu st1, a1; \ | |
448 | vpshufb a0, a2, a2; \ | |
449 | vpshufb a0, a3, a3; \ | |
450 | vpshufb a0, b0, b0; \ | |
451 | vpshufb a0, b1, b1; \ | |
452 | vpshufb a0, b2, b2; \ | |
453 | vpshufb a0, b3, b3; \ | |
454 | vpshufb a0, a1, a1; \ | |
455 | vpshufb a0, c0, c0; \ | |
456 | vpshufb a0, c1, c1; \ | |
457 | vpshufb a0, c2, c2; \ | |
458 | vpshufb a0, c3, c3; \ | |
459 | vpshufb a0, d0, d0; \ | |
460 | vpshufb a0, d1, d1; \ | |
461 | vpshufb a0, d2, d2; \ | |
462 | vpshufb a0, d3, d3; \ | |
463 | vmovdqu d3, st1; \ | |
464 | vmovdqu st0, d3; \ | |
465 | vpshufb a0, d3, a0; \ | |
466 | vmovdqu d2, st0; \ | |
467 | \ | |
468 | transpose_4x4(a0, b0, c0, d0, d2, d3); \ | |
469 | transpose_4x4(a1, b1, c1, d1, d2, d3); \ | |
470 | vmovdqu st0, d2; \ | |
471 | vmovdqu st1, d3; \ | |
472 | \ | |
473 | vmovdqu b0, st0; \ | |
474 | vmovdqu b1, st1; \ | |
475 | transpose_4x4(a2, b2, c2, d2, b0, b1); \ | |
476 | transpose_4x4(a3, b3, c3, d3, b0, b1); \ | |
477 | vmovdqu st0, b0; \ | |
478 | vmovdqu st1, b1; \ | |
479 | /* does not adjust output bytes inside vectors */ | |
480 | ||
481 | /* load blocks to registers and apply pre-whitening */ | |
482 | #define inpack16_pre(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
483 | y6, y7, rio, key) \ | |
484 | vmovq key, x0; \ | |
485 | vpshufb .Lpack_bswap, x0, x0; \ | |
486 | \ | |
487 | vpxor 0 * 16(rio), x0, y7; \ | |
488 | vpxor 1 * 16(rio), x0, y6; \ | |
489 | vpxor 2 * 16(rio), x0, y5; \ | |
490 | vpxor 3 * 16(rio), x0, y4; \ | |
491 | vpxor 4 * 16(rio), x0, y3; \ | |
492 | vpxor 5 * 16(rio), x0, y2; \ | |
493 | vpxor 6 * 16(rio), x0, y1; \ | |
494 | vpxor 7 * 16(rio), x0, y0; \ | |
495 | vpxor 8 * 16(rio), x0, x7; \ | |
496 | vpxor 9 * 16(rio), x0, x6; \ | |
497 | vpxor 10 * 16(rio), x0, x5; \ | |
498 | vpxor 11 * 16(rio), x0, x4; \ | |
499 | vpxor 12 * 16(rio), x0, x3; \ | |
500 | vpxor 13 * 16(rio), x0, x2; \ | |
501 | vpxor 14 * 16(rio), x0, x1; \ | |
502 | vpxor 15 * 16(rio), x0, x0; | |
503 | ||
504 | /* byteslice pre-whitened blocks and store to temporary memory */ | |
505 | #define inpack16_post(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
506 | y6, y7, mem_ab, mem_cd) \ | |
507 | byteslice_16x16b(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, \ | |
508 | y5, y6, y7, (mem_ab), (mem_cd)); \ | |
509 | \ | |
510 | vmovdqu x0, 0 * 16(mem_ab); \ | |
511 | vmovdqu x1, 1 * 16(mem_ab); \ | |
512 | vmovdqu x2, 2 * 16(mem_ab); \ | |
513 | vmovdqu x3, 3 * 16(mem_ab); \ | |
514 | vmovdqu x4, 4 * 16(mem_ab); \ | |
515 | vmovdqu x5, 5 * 16(mem_ab); \ | |
516 | vmovdqu x6, 6 * 16(mem_ab); \ | |
517 | vmovdqu x7, 7 * 16(mem_ab); \ | |
518 | vmovdqu y0, 0 * 16(mem_cd); \ | |
519 | vmovdqu y1, 1 * 16(mem_cd); \ | |
520 | vmovdqu y2, 2 * 16(mem_cd); \ | |
521 | vmovdqu y3, 3 * 16(mem_cd); \ | |
522 | vmovdqu y4, 4 * 16(mem_cd); \ | |
523 | vmovdqu y5, 5 * 16(mem_cd); \ | |
524 | vmovdqu y6, 6 * 16(mem_cd); \ | |
525 | vmovdqu y7, 7 * 16(mem_cd); | |
526 | ||
527 | /* de-byteslice, apply post-whitening and store blocks */ | |
528 | #define outunpack16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, \ | |
529 | y5, y6, y7, key, stack_tmp0, stack_tmp1) \ | |
530 | byteslice_16x16b(y0, y4, x0, x4, y1, y5, x1, x5, y2, y6, x2, x6, y3, \ | |
531 | y7, x3, x7, stack_tmp0, stack_tmp1); \ | |
532 | \ | |
533 | vmovdqu x0, stack_tmp0; \ | |
534 | \ | |
535 | vmovq key, x0; \ | |
536 | vpshufb .Lpack_bswap, x0, x0; \ | |
537 | \ | |
538 | vpxor x0, y7, y7; \ | |
539 | vpxor x0, y6, y6; \ | |
540 | vpxor x0, y5, y5; \ | |
541 | vpxor x0, y4, y4; \ | |
542 | vpxor x0, y3, y3; \ | |
543 | vpxor x0, y2, y2; \ | |
544 | vpxor x0, y1, y1; \ | |
545 | vpxor x0, y0, y0; \ | |
546 | vpxor x0, x7, x7; \ | |
547 | vpxor x0, x6, x6; \ | |
548 | vpxor x0, x5, x5; \ | |
549 | vpxor x0, x4, x4; \ | |
550 | vpxor x0, x3, x3; \ | |
551 | vpxor x0, x2, x2; \ | |
552 | vpxor x0, x1, x1; \ | |
553 | vpxor stack_tmp0, x0, x0; | |
554 | ||
555 | #define write_output(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ | |
556 | y6, y7, rio) \ | |
557 | vmovdqu x0, 0 * 16(rio); \ | |
558 | vmovdqu x1, 1 * 16(rio); \ | |
559 | vmovdqu x2, 2 * 16(rio); \ | |
560 | vmovdqu x3, 3 * 16(rio); \ | |
561 | vmovdqu x4, 4 * 16(rio); \ | |
562 | vmovdqu x5, 5 * 16(rio); \ | |
563 | vmovdqu x6, 6 * 16(rio); \ | |
564 | vmovdqu x7, 7 * 16(rio); \ | |
565 | vmovdqu y0, 8 * 16(rio); \ | |
566 | vmovdqu y1, 9 * 16(rio); \ | |
567 | vmovdqu y2, 10 * 16(rio); \ | |
568 | vmovdqu y3, 11 * 16(rio); \ | |
569 | vmovdqu y4, 12 * 16(rio); \ | |
570 | vmovdqu y5, 13 * 16(rio); \ | |
571 | vmovdqu y6, 14 * 16(rio); \ | |
572 | vmovdqu y7, 15 * 16(rio); | |
573 | ||
574 | .data | |
575 | .align 16 | |
576 | ||
577 | #define SHUFB_BYTES(idx) \ | |
578 | 0 + (idx), 4 + (idx), 8 + (idx), 12 + (idx) | |
579 | ||
580 | .Lshufb_16x16b: | |
581 | .byte SHUFB_BYTES(0), SHUFB_BYTES(1), SHUFB_BYTES(2), SHUFB_BYTES(3); | |
582 | ||
583 | .Lpack_bswap: | |
584 | .long 0x00010203 | |
585 | .long 0x04050607 | |
586 | .long 0x80808080 | |
587 | .long 0x80808080 | |
588 | ||
589 | /* For CTR-mode IV byteswap */ | |
590 | .Lbswap128_mask: | |
591 | .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 | |
592 | ||
b5c5b072 JK |
593 | /* For XTS mode IV generation */ |
594 | .Lxts_gf128mul_and_shl1_mask: | |
595 | .byte 0x87, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 | |
596 | ||
d9b1d2e7 JK |
597 | /* |
598 | * pre-SubByte transform | |
599 | * | |
600 | * pre-lookup for sbox1, sbox2, sbox3: | |
601 | * swap_bitendianness( | |
602 | * isom_map_camellia_to_aes( | |
603 | * camellia_f( | |
604 | * swap_bitendianess(in) | |
605 | * ) | |
606 | * ) | |
607 | * ) | |
608 | * | |
609 | * (note: '⊕ 0xc5' inside camellia_f()) | |
610 | */ | |
611 | .Lpre_tf_lo_s1: | |
612 | .byte 0x45, 0xe8, 0x40, 0xed, 0x2e, 0x83, 0x2b, 0x86 | |
613 | .byte 0x4b, 0xe6, 0x4e, 0xe3, 0x20, 0x8d, 0x25, 0x88 | |
614 | .Lpre_tf_hi_s1: | |
615 | .byte 0x00, 0x51, 0xf1, 0xa0, 0x8a, 0xdb, 0x7b, 0x2a | |
616 | .byte 0x09, 0x58, 0xf8, 0xa9, 0x83, 0xd2, 0x72, 0x23 | |
617 | ||
618 | /* | |
619 | * pre-SubByte transform | |
620 | * | |
621 | * pre-lookup for sbox4: | |
622 | * swap_bitendianness( | |
623 | * isom_map_camellia_to_aes( | |
624 | * camellia_f( | |
625 | * swap_bitendianess(in <<< 1) | |
626 | * ) | |
627 | * ) | |
628 | * ) | |
629 | * | |
630 | * (note: '⊕ 0xc5' inside camellia_f()) | |
631 | */ | |
632 | .Lpre_tf_lo_s4: | |
633 | .byte 0x45, 0x40, 0x2e, 0x2b, 0x4b, 0x4e, 0x20, 0x25 | |
634 | .byte 0x14, 0x11, 0x7f, 0x7a, 0x1a, 0x1f, 0x71, 0x74 | |
635 | .Lpre_tf_hi_s4: | |
636 | .byte 0x00, 0xf1, 0x8a, 0x7b, 0x09, 0xf8, 0x83, 0x72 | |
637 | .byte 0xad, 0x5c, 0x27, 0xd6, 0xa4, 0x55, 0x2e, 0xdf | |
638 | ||
639 | /* | |
640 | * post-SubByte transform | |
641 | * | |
642 | * post-lookup for sbox1, sbox4: | |
643 | * swap_bitendianness( | |
644 | * camellia_h( | |
645 | * isom_map_aes_to_camellia( | |
646 | * swap_bitendianness( | |
647 | * aes_inverse_affine_transform(in) | |
648 | * ) | |
649 | * ) | |
650 | * ) | |
651 | * ) | |
652 | * | |
653 | * (note: '⊕ 0x6e' inside camellia_h()) | |
654 | */ | |
655 | .Lpost_tf_lo_s1: | |
656 | .byte 0x3c, 0xcc, 0xcf, 0x3f, 0x32, 0xc2, 0xc1, 0x31 | |
657 | .byte 0xdc, 0x2c, 0x2f, 0xdf, 0xd2, 0x22, 0x21, 0xd1 | |
658 | .Lpost_tf_hi_s1: | |
659 | .byte 0x00, 0xf9, 0x86, 0x7f, 0xd7, 0x2e, 0x51, 0xa8 | |
660 | .byte 0xa4, 0x5d, 0x22, 0xdb, 0x73, 0x8a, 0xf5, 0x0c | |
661 | ||
662 | /* | |
663 | * post-SubByte transform | |
664 | * | |
665 | * post-lookup for sbox2: | |
666 | * swap_bitendianness( | |
667 | * camellia_h( | |
668 | * isom_map_aes_to_camellia( | |
669 | * swap_bitendianness( | |
670 | * aes_inverse_affine_transform(in) | |
671 | * ) | |
672 | * ) | |
673 | * ) | |
674 | * ) <<< 1 | |
675 | * | |
676 | * (note: '⊕ 0x6e' inside camellia_h()) | |
677 | */ | |
678 | .Lpost_tf_lo_s2: | |
679 | .byte 0x78, 0x99, 0x9f, 0x7e, 0x64, 0x85, 0x83, 0x62 | |
680 | .byte 0xb9, 0x58, 0x5e, 0xbf, 0xa5, 0x44, 0x42, 0xa3 | |
681 | .Lpost_tf_hi_s2: | |
682 | .byte 0x00, 0xf3, 0x0d, 0xfe, 0xaf, 0x5c, 0xa2, 0x51 | |
683 | .byte 0x49, 0xba, 0x44, 0xb7, 0xe6, 0x15, 0xeb, 0x18 | |
684 | ||
685 | /* | |
686 | * post-SubByte transform | |
687 | * | |
688 | * post-lookup for sbox3: | |
689 | * swap_bitendianness( | |
690 | * camellia_h( | |
691 | * isom_map_aes_to_camellia( | |
692 | * swap_bitendianness( | |
693 | * aes_inverse_affine_transform(in) | |
694 | * ) | |
695 | * ) | |
696 | * ) | |
697 | * ) >>> 1 | |
698 | * | |
699 | * (note: '⊕ 0x6e' inside camellia_h()) | |
700 | */ | |
701 | .Lpost_tf_lo_s3: | |
702 | .byte 0x1e, 0x66, 0xe7, 0x9f, 0x19, 0x61, 0xe0, 0x98 | |
703 | .byte 0x6e, 0x16, 0x97, 0xef, 0x69, 0x11, 0x90, 0xe8 | |
704 | .Lpost_tf_hi_s3: | |
705 | .byte 0x00, 0xfc, 0x43, 0xbf, 0xeb, 0x17, 0xa8, 0x54 | |
706 | .byte 0x52, 0xae, 0x11, 0xed, 0xb9, 0x45, 0xfa, 0x06 | |
707 | ||
708 | /* For isolating SubBytes from AESENCLAST, inverse shift row */ | |
709 | .Linv_shift_row: | |
710 | .byte 0x00, 0x0d, 0x0a, 0x07, 0x04, 0x01, 0x0e, 0x0b | |
711 | .byte 0x08, 0x05, 0x02, 0x0f, 0x0c, 0x09, 0x06, 0x03 | |
712 | ||
713 | /* 4-bit mask */ | |
714 | .align 4 | |
715 | .L0f0f0f0f: | |
716 | .long 0x0f0f0f0f | |
717 | ||
718 | .text | |
719 | ||
720 | .align 8 | |
d9b1d2e7 JK |
721 | __camellia_enc_blk16: |
722 | /* input: | |
723 | * %rdi: ctx, CTX | |
724 | * %rax: temporary storage, 256 bytes | |
725 | * %xmm0..%xmm15: 16 plaintext blocks | |
726 | * output: | |
727 | * %xmm0..%xmm15: 16 encrypted blocks, order swapped: | |
728 | * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 | |
729 | */ | |
8691ccd7 | 730 | FRAME_BEGIN |
d9b1d2e7 JK |
731 | |
732 | leaq 8 * 16(%rax), %rcx; | |
733 | ||
734 | inpack16_post(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
735 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
736 | %xmm15, %rax, %rcx); | |
737 | ||
738 | enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
739 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
740 | %xmm15, %rax, %rcx, 0); | |
741 | ||
742 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
743 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
744 | %xmm15, | |
745 | ((key_table + (8) * 8) + 0)(CTX), | |
746 | ((key_table + (8) * 8) + 4)(CTX), | |
747 | ((key_table + (8) * 8) + 8)(CTX), | |
748 | ((key_table + (8) * 8) + 12)(CTX)); | |
749 | ||
750 | enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
751 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
752 | %xmm15, %rax, %rcx, 8); | |
753 | ||
754 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
755 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
756 | %xmm15, | |
757 | ((key_table + (16) * 8) + 0)(CTX), | |
758 | ((key_table + (16) * 8) + 4)(CTX), | |
759 | ((key_table + (16) * 8) + 8)(CTX), | |
760 | ((key_table + (16) * 8) + 12)(CTX)); | |
761 | ||
762 | enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
763 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
764 | %xmm15, %rax, %rcx, 16); | |
765 | ||
766 | movl $24, %r8d; | |
767 | cmpl $16, key_length(CTX); | |
768 | jne .Lenc_max32; | |
769 | ||
770 | .Lenc_done: | |
771 | /* load CD for output */ | |
772 | vmovdqu 0 * 16(%rcx), %xmm8; | |
773 | vmovdqu 1 * 16(%rcx), %xmm9; | |
774 | vmovdqu 2 * 16(%rcx), %xmm10; | |
775 | vmovdqu 3 * 16(%rcx), %xmm11; | |
776 | vmovdqu 4 * 16(%rcx), %xmm12; | |
777 | vmovdqu 5 * 16(%rcx), %xmm13; | |
778 | vmovdqu 6 * 16(%rcx), %xmm14; | |
779 | vmovdqu 7 * 16(%rcx), %xmm15; | |
780 | ||
781 | outunpack16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
782 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
783 | %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax)); | |
784 | ||
8691ccd7 | 785 | FRAME_END |
d9b1d2e7 JK |
786 | ret; |
787 | ||
788 | .align 8 | |
789 | .Lenc_max32: | |
790 | movl $32, %r8d; | |
791 | ||
792 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
793 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
794 | %xmm15, | |
795 | ((key_table + (24) * 8) + 0)(CTX), | |
796 | ((key_table + (24) * 8) + 4)(CTX), | |
797 | ((key_table + (24) * 8) + 8)(CTX), | |
798 | ((key_table + (24) * 8) + 12)(CTX)); | |
799 | ||
800 | enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
801 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
802 | %xmm15, %rax, %rcx, 24); | |
803 | ||
804 | jmp .Lenc_done; | |
59990684 | 805 | ENDPROC(__camellia_enc_blk16) |
d9b1d2e7 JK |
806 | |
807 | .align 8 | |
d9b1d2e7 JK |
808 | __camellia_dec_blk16: |
809 | /* input: | |
810 | * %rdi: ctx, CTX | |
811 | * %rax: temporary storage, 256 bytes | |
812 | * %r8d: 24 for 16 byte key, 32 for larger | |
813 | * %xmm0..%xmm15: 16 encrypted blocks | |
814 | * output: | |
815 | * %xmm0..%xmm15: 16 plaintext blocks, order swapped: | |
816 | * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 | |
817 | */ | |
8691ccd7 | 818 | FRAME_BEGIN |
d9b1d2e7 JK |
819 | |
820 | leaq 8 * 16(%rax), %rcx; | |
821 | ||
822 | inpack16_post(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
823 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
824 | %xmm15, %rax, %rcx); | |
825 | ||
826 | cmpl $32, %r8d; | |
827 | je .Ldec_max32; | |
828 | ||
829 | .Ldec_max24: | |
830 | dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
831 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
832 | %xmm15, %rax, %rcx, 16); | |
833 | ||
834 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
835 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
836 | %xmm15, | |
837 | ((key_table + (16) * 8) + 8)(CTX), | |
838 | ((key_table + (16) * 8) + 12)(CTX), | |
839 | ((key_table + (16) * 8) + 0)(CTX), | |
840 | ((key_table + (16) * 8) + 4)(CTX)); | |
841 | ||
842 | dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
843 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
844 | %xmm15, %rax, %rcx, 8); | |
845 | ||
846 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
847 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
848 | %xmm15, | |
849 | ((key_table + (8) * 8) + 8)(CTX), | |
850 | ((key_table + (8) * 8) + 12)(CTX), | |
851 | ((key_table + (8) * 8) + 0)(CTX), | |
852 | ((key_table + (8) * 8) + 4)(CTX)); | |
853 | ||
854 | dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
855 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
856 | %xmm15, %rax, %rcx, 0); | |
857 | ||
858 | /* load CD for output */ | |
859 | vmovdqu 0 * 16(%rcx), %xmm8; | |
860 | vmovdqu 1 * 16(%rcx), %xmm9; | |
861 | vmovdqu 2 * 16(%rcx), %xmm10; | |
862 | vmovdqu 3 * 16(%rcx), %xmm11; | |
863 | vmovdqu 4 * 16(%rcx), %xmm12; | |
864 | vmovdqu 5 * 16(%rcx), %xmm13; | |
865 | vmovdqu 6 * 16(%rcx), %xmm14; | |
866 | vmovdqu 7 * 16(%rcx), %xmm15; | |
867 | ||
868 | outunpack16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
869 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
870 | %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax)); | |
871 | ||
8691ccd7 | 872 | FRAME_END |
d9b1d2e7 JK |
873 | ret; |
874 | ||
875 | .align 8 | |
876 | .Ldec_max32: | |
877 | dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
878 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
879 | %xmm15, %rax, %rcx, 24); | |
880 | ||
881 | fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
882 | %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
883 | %xmm15, | |
884 | ((key_table + (24) * 8) + 8)(CTX), | |
885 | ((key_table + (24) * 8) + 12)(CTX), | |
886 | ((key_table + (24) * 8) + 0)(CTX), | |
887 | ((key_table + (24) * 8) + 4)(CTX)); | |
888 | ||
889 | jmp .Ldec_max24; | |
59990684 | 890 | ENDPROC(__camellia_dec_blk16) |
d9b1d2e7 | 891 | |
59990684 | 892 | ENTRY(camellia_ecb_enc_16way) |
d9b1d2e7 JK |
893 | /* input: |
894 | * %rdi: ctx, CTX | |
895 | * %rsi: dst (16 blocks) | |
896 | * %rdx: src (16 blocks) | |
897 | */ | |
8691ccd7 | 898 | FRAME_BEGIN |
d9b1d2e7 JK |
899 | |
900 | inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
901 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
902 | %xmm15, %rdx, (key_table)(CTX)); | |
903 | ||
904 | /* now dst can be used as temporary buffer (even in src == dst case) */ | |
905 | movq %rsi, %rax; | |
906 | ||
907 | call __camellia_enc_blk16; | |
908 | ||
909 | write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, | |
910 | %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, | |
911 | %xmm8, %rsi); | |
912 | ||
8691ccd7 | 913 | FRAME_END |
d9b1d2e7 | 914 | ret; |
59990684 | 915 | ENDPROC(camellia_ecb_enc_16way) |
d9b1d2e7 | 916 | |
59990684 | 917 | ENTRY(camellia_ecb_dec_16way) |
d9b1d2e7 JK |
918 | /* input: |
919 | * %rdi: ctx, CTX | |
920 | * %rsi: dst (16 blocks) | |
921 | * %rdx: src (16 blocks) | |
922 | */ | |
8691ccd7 | 923 | FRAME_BEGIN |
d9b1d2e7 JK |
924 | |
925 | cmpl $16, key_length(CTX); | |
926 | movl $32, %r8d; | |
927 | movl $24, %eax; | |
928 | cmovel %eax, %r8d; /* max */ | |
929 | ||
930 | inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
931 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
932 | %xmm15, %rdx, (key_table)(CTX, %r8, 8)); | |
933 | ||
934 | /* now dst can be used as temporary buffer (even in src == dst case) */ | |
935 | movq %rsi, %rax; | |
936 | ||
937 | call __camellia_dec_blk16; | |
938 | ||
939 | write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, | |
940 | %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, | |
941 | %xmm8, %rsi); | |
942 | ||
8691ccd7 | 943 | FRAME_END |
d9b1d2e7 | 944 | ret; |
59990684 | 945 | ENDPROC(camellia_ecb_dec_16way) |
d9b1d2e7 | 946 | |
59990684 | 947 | ENTRY(camellia_cbc_dec_16way) |
d9b1d2e7 JK |
948 | /* input: |
949 | * %rdi: ctx, CTX | |
950 | * %rsi: dst (16 blocks) | |
951 | * %rdx: src (16 blocks) | |
952 | */ | |
8691ccd7 | 953 | FRAME_BEGIN |
d9b1d2e7 JK |
954 | |
955 | cmpl $16, key_length(CTX); | |
956 | movl $32, %r8d; | |
957 | movl $24, %eax; | |
958 | cmovel %eax, %r8d; /* max */ | |
959 | ||
960 | inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, | |
961 | %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, | |
962 | %xmm15, %rdx, (key_table)(CTX, %r8, 8)); | |
963 | ||
964 | /* | |
965 | * dst might still be in-use (in case dst == src), so use stack for | |
966 | * temporary storage. | |
967 | */ | |
968 | subq $(16 * 16), %rsp; | |
969 | movq %rsp, %rax; | |
970 | ||
971 | call __camellia_dec_blk16; | |
972 | ||
973 | addq $(16 * 16), %rsp; | |
974 | ||
975 | vpxor (0 * 16)(%rdx), %xmm6, %xmm6; | |
976 | vpxor (1 * 16)(%rdx), %xmm5, %xmm5; | |
977 | vpxor (2 * 16)(%rdx), %xmm4, %xmm4; | |
978 | vpxor (3 * 16)(%rdx), %xmm3, %xmm3; | |
979 | vpxor (4 * 16)(%rdx), %xmm2, %xmm2; | |
980 | vpxor (5 * 16)(%rdx), %xmm1, %xmm1; | |
981 | vpxor (6 * 16)(%rdx), %xmm0, %xmm0; | |
982 | vpxor (7 * 16)(%rdx), %xmm15, %xmm15; | |
983 | vpxor (8 * 16)(%rdx), %xmm14, %xmm14; | |
984 | vpxor (9 * 16)(%rdx), %xmm13, %xmm13; | |
985 | vpxor (10 * 16)(%rdx), %xmm12, %xmm12; | |
986 | vpxor (11 * 16)(%rdx), %xmm11, %xmm11; | |
987 | vpxor (12 * 16)(%rdx), %xmm10, %xmm10; | |
988 | vpxor (13 * 16)(%rdx), %xmm9, %xmm9; | |
989 | vpxor (14 * 16)(%rdx), %xmm8, %xmm8; | |
990 | write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, | |
991 | %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, | |
992 | %xmm8, %rsi); | |
993 | ||
8691ccd7 | 994 | FRAME_END |
d9b1d2e7 | 995 | ret; |
59990684 | 996 | ENDPROC(camellia_cbc_dec_16way) |
d9b1d2e7 JK |
997 | |
998 | #define inc_le128(x, minus_one, tmp) \ | |
999 | vpcmpeqq minus_one, x, tmp; \ | |
1000 | vpsubq minus_one, x, x; \ | |
1001 | vpslldq $8, tmp, tmp; \ | |
1002 | vpsubq tmp, x, x; | |
1003 | ||
59990684 | 1004 | ENTRY(camellia_ctr_16way) |
d9b1d2e7 JK |
1005 | /* input: |
1006 | * %rdi: ctx, CTX | |
1007 | * %rsi: dst (16 blocks) | |
1008 | * %rdx: src (16 blocks) | |
1009 | * %rcx: iv (little endian, 128bit) | |
1010 | */ | |
8691ccd7 | 1011 | FRAME_BEGIN |
d9b1d2e7 JK |
1012 | |
1013 | subq $(16 * 16), %rsp; | |
1014 | movq %rsp, %rax; | |
1015 | ||
1016 | vmovdqa .Lbswap128_mask, %xmm14; | |
1017 | ||
1018 | /* load IV and byteswap */ | |
1019 | vmovdqu (%rcx), %xmm0; | |
1020 | vpshufb %xmm14, %xmm0, %xmm15; | |
1021 | vmovdqu %xmm15, 15 * 16(%rax); | |
1022 | ||
1023 | vpcmpeqd %xmm15, %xmm15, %xmm15; | |
1024 | vpsrldq $8, %xmm15, %xmm15; /* low: -1, high: 0 */ | |
1025 | ||
1026 | /* construct IVs */ | |
1027 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1028 | vpshufb %xmm14, %xmm0, %xmm13; | |
1029 | vmovdqu %xmm13, 14 * 16(%rax); | |
1030 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1031 | vpshufb %xmm14, %xmm0, %xmm13; | |
1032 | vmovdqu %xmm13, 13 * 16(%rax); | |
1033 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1034 | vpshufb %xmm14, %xmm0, %xmm12; | |
1035 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1036 | vpshufb %xmm14, %xmm0, %xmm11; | |
1037 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1038 | vpshufb %xmm14, %xmm0, %xmm10; | |
1039 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1040 | vpshufb %xmm14, %xmm0, %xmm9; | |
1041 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1042 | vpshufb %xmm14, %xmm0, %xmm8; | |
1043 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1044 | vpshufb %xmm14, %xmm0, %xmm7; | |
1045 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1046 | vpshufb %xmm14, %xmm0, %xmm6; | |
1047 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1048 | vpshufb %xmm14, %xmm0, %xmm5; | |
1049 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1050 | vpshufb %xmm14, %xmm0, %xmm4; | |
1051 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1052 | vpshufb %xmm14, %xmm0, %xmm3; | |
1053 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1054 | vpshufb %xmm14, %xmm0, %xmm2; | |
1055 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1056 | vpshufb %xmm14, %xmm0, %xmm1; | |
1057 | inc_le128(%xmm0, %xmm15, %xmm13); | |
1058 | vmovdqa %xmm0, %xmm13; | |
1059 | vpshufb %xmm14, %xmm0, %xmm0; | |
1060 | inc_le128(%xmm13, %xmm15, %xmm14); | |
1061 | vmovdqu %xmm13, (%rcx); | |
1062 | ||
1063 | /* inpack16_pre: */ | |
1064 | vmovq (key_table)(CTX), %xmm15; | |
1065 | vpshufb .Lpack_bswap, %xmm15, %xmm15; | |
1066 | vpxor %xmm0, %xmm15, %xmm0; | |
1067 | vpxor %xmm1, %xmm15, %xmm1; | |
1068 | vpxor %xmm2, %xmm15, %xmm2; | |
1069 | vpxor %xmm3, %xmm15, %xmm3; | |
1070 | vpxor %xmm4, %xmm15, %xmm4; | |
1071 | vpxor %xmm5, %xmm15, %xmm5; | |
1072 | vpxor %xmm6, %xmm15, %xmm6; | |
1073 | vpxor %xmm7, %xmm15, %xmm7; | |
1074 | vpxor %xmm8, %xmm15, %xmm8; | |
1075 | vpxor %xmm9, %xmm15, %xmm9; | |
1076 | vpxor %xmm10, %xmm15, %xmm10; | |
1077 | vpxor %xmm11, %xmm15, %xmm11; | |
1078 | vpxor %xmm12, %xmm15, %xmm12; | |
1079 | vpxor 13 * 16(%rax), %xmm15, %xmm13; | |
1080 | vpxor 14 * 16(%rax), %xmm15, %xmm14; | |
1081 | vpxor 15 * 16(%rax), %xmm15, %xmm15; | |
1082 | ||
1083 | call __camellia_enc_blk16; | |
1084 | ||
1085 | addq $(16 * 16), %rsp; | |
1086 | ||
1087 | vpxor 0 * 16(%rdx), %xmm7, %xmm7; | |
1088 | vpxor 1 * 16(%rdx), %xmm6, %xmm6; | |
1089 | vpxor 2 * 16(%rdx), %xmm5, %xmm5; | |
1090 | vpxor 3 * 16(%rdx), %xmm4, %xmm4; | |
1091 | vpxor 4 * 16(%rdx), %xmm3, %xmm3; | |
1092 | vpxor 5 * 16(%rdx), %xmm2, %xmm2; | |
1093 | vpxor 6 * 16(%rdx), %xmm1, %xmm1; | |
1094 | vpxor 7 * 16(%rdx), %xmm0, %xmm0; | |
1095 | vpxor 8 * 16(%rdx), %xmm15, %xmm15; | |
1096 | vpxor 9 * 16(%rdx), %xmm14, %xmm14; | |
1097 | vpxor 10 * 16(%rdx), %xmm13, %xmm13; | |
1098 | vpxor 11 * 16(%rdx), %xmm12, %xmm12; | |
1099 | vpxor 12 * 16(%rdx), %xmm11, %xmm11; | |
1100 | vpxor 13 * 16(%rdx), %xmm10, %xmm10; | |
1101 | vpxor 14 * 16(%rdx), %xmm9, %xmm9; | |
1102 | vpxor 15 * 16(%rdx), %xmm8, %xmm8; | |
1103 | write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, | |
1104 | %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, | |
1105 | %xmm8, %rsi); | |
1106 | ||
8691ccd7 | 1107 | FRAME_END |
d9b1d2e7 | 1108 | ret; |
59990684 | 1109 | ENDPROC(camellia_ctr_16way) |
b5c5b072 JK |
1110 | |
1111 | #define gf128mul_x_ble(iv, mask, tmp) \ | |
1112 | vpsrad $31, iv, tmp; \ | |
1113 | vpaddq iv, iv, iv; \ | |
1114 | vpshufd $0x13, tmp, tmp; \ | |
1115 | vpand mask, tmp, tmp; \ | |
1116 | vpxor tmp, iv, iv; | |
1117 | ||
1118 | .align 8 | |
1119 | camellia_xts_crypt_16way: | |
1120 | /* input: | |
1121 | * %rdi: ctx, CTX | |
1122 | * %rsi: dst (16 blocks) | |
1123 | * %rdx: src (16 blocks) | |
1124 | * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸)) | |
1125 | * %r8: index for input whitening key | |
1126 | * %r9: pointer to __camellia_enc_blk16 or __camellia_dec_blk16 | |
1127 | */ | |
8691ccd7 | 1128 | FRAME_BEGIN |
b5c5b072 JK |
1129 | |
1130 | subq $(16 * 16), %rsp; | |
1131 | movq %rsp, %rax; | |
1132 | ||
1133 | vmovdqa .Lxts_gf128mul_and_shl1_mask, %xmm14; | |
1134 | ||
1135 | /* load IV */ | |
1136 | vmovdqu (%rcx), %xmm0; | |
1137 | vpxor 0 * 16(%rdx), %xmm0, %xmm15; | |
1138 | vmovdqu %xmm15, 15 * 16(%rax); | |
1139 | vmovdqu %xmm0, 0 * 16(%rsi); | |
1140 | ||
1141 | /* construct IVs */ | |
1142 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1143 | vpxor 1 * 16(%rdx), %xmm0, %xmm15; | |
1144 | vmovdqu %xmm15, 14 * 16(%rax); | |
1145 | vmovdqu %xmm0, 1 * 16(%rsi); | |
1146 | ||
1147 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1148 | vpxor 2 * 16(%rdx), %xmm0, %xmm13; | |
1149 | vmovdqu %xmm0, 2 * 16(%rsi); | |
1150 | ||
1151 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1152 | vpxor 3 * 16(%rdx), %xmm0, %xmm12; | |
1153 | vmovdqu %xmm0, 3 * 16(%rsi); | |
1154 | ||
1155 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1156 | vpxor 4 * 16(%rdx), %xmm0, %xmm11; | |
1157 | vmovdqu %xmm0, 4 * 16(%rsi); | |
1158 | ||
1159 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1160 | vpxor 5 * 16(%rdx), %xmm0, %xmm10; | |
1161 | vmovdqu %xmm0, 5 * 16(%rsi); | |
1162 | ||
1163 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1164 | vpxor 6 * 16(%rdx), %xmm0, %xmm9; | |
1165 | vmovdqu %xmm0, 6 * 16(%rsi); | |
1166 | ||
1167 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1168 | vpxor 7 * 16(%rdx), %xmm0, %xmm8; | |
1169 | vmovdqu %xmm0, 7 * 16(%rsi); | |
1170 | ||
1171 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1172 | vpxor 8 * 16(%rdx), %xmm0, %xmm7; | |
1173 | vmovdqu %xmm0, 8 * 16(%rsi); | |
1174 | ||
1175 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1176 | vpxor 9 * 16(%rdx), %xmm0, %xmm6; | |
1177 | vmovdqu %xmm0, 9 * 16(%rsi); | |
1178 | ||
1179 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1180 | vpxor 10 * 16(%rdx), %xmm0, %xmm5; | |
1181 | vmovdqu %xmm0, 10 * 16(%rsi); | |
1182 | ||
1183 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1184 | vpxor 11 * 16(%rdx), %xmm0, %xmm4; | |
1185 | vmovdqu %xmm0, 11 * 16(%rsi); | |
1186 | ||
1187 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1188 | vpxor 12 * 16(%rdx), %xmm0, %xmm3; | |
1189 | vmovdqu %xmm0, 12 * 16(%rsi); | |
1190 | ||
1191 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1192 | vpxor 13 * 16(%rdx), %xmm0, %xmm2; | |
1193 | vmovdqu %xmm0, 13 * 16(%rsi); | |
1194 | ||
1195 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1196 | vpxor 14 * 16(%rdx), %xmm0, %xmm1; | |
1197 | vmovdqu %xmm0, 14 * 16(%rsi); | |
1198 | ||
1199 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1200 | vpxor 15 * 16(%rdx), %xmm0, %xmm15; | |
1201 | vmovdqu %xmm15, 0 * 16(%rax); | |
1202 | vmovdqu %xmm0, 15 * 16(%rsi); | |
1203 | ||
1204 | gf128mul_x_ble(%xmm0, %xmm14, %xmm15); | |
1205 | vmovdqu %xmm0, (%rcx); | |
1206 | ||
1207 | /* inpack16_pre: */ | |
1208 | vmovq (key_table)(CTX, %r8, 8), %xmm15; | |
1209 | vpshufb .Lpack_bswap, %xmm15, %xmm15; | |
1210 | vpxor 0 * 16(%rax), %xmm15, %xmm0; | |
1211 | vpxor %xmm1, %xmm15, %xmm1; | |
1212 | vpxor %xmm2, %xmm15, %xmm2; | |
1213 | vpxor %xmm3, %xmm15, %xmm3; | |
1214 | vpxor %xmm4, %xmm15, %xmm4; | |
1215 | vpxor %xmm5, %xmm15, %xmm5; | |
1216 | vpxor %xmm6, %xmm15, %xmm6; | |
1217 | vpxor %xmm7, %xmm15, %xmm7; | |
1218 | vpxor %xmm8, %xmm15, %xmm8; | |
1219 | vpxor %xmm9, %xmm15, %xmm9; | |
1220 | vpxor %xmm10, %xmm15, %xmm10; | |
1221 | vpxor %xmm11, %xmm15, %xmm11; | |
1222 | vpxor %xmm12, %xmm15, %xmm12; | |
1223 | vpxor %xmm13, %xmm15, %xmm13; | |
1224 | vpxor 14 * 16(%rax), %xmm15, %xmm14; | |
1225 | vpxor 15 * 16(%rax), %xmm15, %xmm15; | |
1226 | ||
1227 | call *%r9; | |
1228 | ||
1229 | addq $(16 * 16), %rsp; | |
1230 | ||
1231 | vpxor 0 * 16(%rsi), %xmm7, %xmm7; | |
1232 | vpxor 1 * 16(%rsi), %xmm6, %xmm6; | |
1233 | vpxor 2 * 16(%rsi), %xmm5, %xmm5; | |
1234 | vpxor 3 * 16(%rsi), %xmm4, %xmm4; | |
1235 | vpxor 4 * 16(%rsi), %xmm3, %xmm3; | |
1236 | vpxor 5 * 16(%rsi), %xmm2, %xmm2; | |
1237 | vpxor 6 * 16(%rsi), %xmm1, %xmm1; | |
1238 | vpxor 7 * 16(%rsi), %xmm0, %xmm0; | |
1239 | vpxor 8 * 16(%rsi), %xmm15, %xmm15; | |
1240 | vpxor 9 * 16(%rsi), %xmm14, %xmm14; | |
1241 | vpxor 10 * 16(%rsi), %xmm13, %xmm13; | |
1242 | vpxor 11 * 16(%rsi), %xmm12, %xmm12; | |
1243 | vpxor 12 * 16(%rsi), %xmm11, %xmm11; | |
1244 | vpxor 13 * 16(%rsi), %xmm10, %xmm10; | |
1245 | vpxor 14 * 16(%rsi), %xmm9, %xmm9; | |
1246 | vpxor 15 * 16(%rsi), %xmm8, %xmm8; | |
1247 | write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, | |
1248 | %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, | |
1249 | %xmm8, %rsi); | |
1250 | ||
8691ccd7 | 1251 | FRAME_END |
b5c5b072 JK |
1252 | ret; |
1253 | ENDPROC(camellia_xts_crypt_16way) | |
1254 | ||
1255 | ENTRY(camellia_xts_enc_16way) | |
1256 | /* input: | |
1257 | * %rdi: ctx, CTX | |
1258 | * %rsi: dst (16 blocks) | |
1259 | * %rdx: src (16 blocks) | |
1260 | * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸)) | |
1261 | */ | |
1262 | xorl %r8d, %r8d; /* input whitening key, 0 for enc */ | |
1263 | ||
1264 | leaq __camellia_enc_blk16, %r9; | |
1265 | ||
1266 | jmp camellia_xts_crypt_16way; | |
1267 | ENDPROC(camellia_xts_enc_16way) | |
1268 | ||
1269 | ENTRY(camellia_xts_dec_16way) | |
1270 | /* input: | |
1271 | * %rdi: ctx, CTX | |
1272 | * %rsi: dst (16 blocks) | |
1273 | * %rdx: src (16 blocks) | |
1274 | * %rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸)) | |
1275 | */ | |
1276 | ||
1277 | cmpl $16, key_length(CTX); | |
1278 | movl $32, %r8d; | |
1279 | movl $24, %eax; | |
1280 | cmovel %eax, %r8d; /* input whitening key, last for dec */ | |
1281 | ||
1282 | leaq __camellia_dec_blk16, %r9; | |
1283 | ||
1284 | jmp camellia_xts_crypt_16way; | |
1285 | ENDPROC(camellia_xts_dec_16way) |