Crypto++ 8.9 Free C++ class library of cryptographic schemes

lea_simd.cpp
1 // lea_simd.cpp - written and placed in the public domain by Jeffrey Walton
2 //
3 // This source file uses intrinsics and built-ins to gain access to
4 // SSSE3, ARM NEON and ARMv8a, and Power8 Altivec instructions. A separate
5 // source file is needed because additional CXXFLAGS are required to enable
6 // the appropriate instructions sets in some build configurations.
7
8 #include "pch.h"
9 #include "config.h"
10
11 #include "lea.h"
12 #include "misc.h"
13
14 // Uncomment for benchmarking C++ against SSE or NEON.
15 // Do so in both simon.cpp and simon_simd.cpp.
16 // #undef CRYPTOPP_SSSE3_AVAILABLE
17 // #undef CRYPTOPP_ARM_NEON_AVAILABLE
18
19 #if (CRYPTOPP_SSSE3_AVAILABLE)
20 # include "adv_simd.h"
21 # include <pmmintrin.h>
22 # include <tmmintrin.h>
23 #endif
24
25 #if defined(__XOP__)
26 # if defined(CRYPTOPP_GCC_COMPATIBLE)
27 # include <x86intrin.h>
28 # endif
29 # include <ammintrin.h>
30 #endif // XOP
31
32 #if (CRYPTOPP_ARM_NEON_HEADER)
33 # include "adv_simd.h"
34 # include <arm_neon.h>
35 #endif
36
37 #if (CRYPTOPP_ARM_ACLE_HEADER)
38 # include <stdint.h>
39 # include <arm_acle.h>
40 #endif
41
42 #if defined(_M_ARM64)
43 # include "adv_simd.h"
44 #endif
45
46 // Do not port this to POWER architecture. Naively we hoped
47 // for a 2x to 3x speedup. The result was a 5x slow down.
48 // The table below shows MiB/s and cpb.
49 //
50 // C++:
51 // <TD>LEA-128(128)/CTR (128-bit key)<TD>C++<TD>207<TD>15.64
52 // <TD>LEA-128(192)/CTR (192-bit key)<TD>C++<TD>186<TD>17.48
53 // <TD>LEA-128(256)/CTR (256-bit key)<TD>C++<TD>124<TD>26.2
54 //
55 // Power8:
56 // <TD>LEA-128(128)/CTR (128-bit key)<TD>Power8<TD>37<TD>88.7
57 // <TD>LEA-128(192)/CTR (192-bit key)<TD>Power8<TD>40<TD>82.1
58 // <TD>LEA-128(256)/CTR (256-bit key)<TD>Power8<TD>28<TD>116.0
59
60 #undef CRYPTOPP_POWER8_AVAILABLE
61 #if defined(CRYPTOPP_POWER8_AVAILABLE)
62 # include "adv_simd.h"
63 # include "ppc_simd.h"
64 #endif
65
66 // Squash MS LNK4221 and libtool warnings
67 extern const char LEA_SIMD_FNAME[] = __FILE__;
68
69 ANONYMOUS_NAMESPACE_BEGIN
70
71 using CryptoPP::word32;
72
73 // *************************** ARM NEON ***************************//
74
75 #if (CRYPTOPP_ARM_NEON_AVAILABLE)
76
77 inline uint32x4_t Xor(const uint32x4_t& a, const uint32x4_t& b)
78 {
79 return veorq_u32(a, b);
80 }
81
82 inline uint32x4_t Add(const uint32x4_t& a, const uint32x4_t& b)
83 {
84 return vaddq_u32(a, b);
85 }
86
87 inline uint32x4_t Sub(const uint32x4_t& a, const uint32x4_t& b)
88 {
89 return vsubq_u32(a, b);
90 }
91
92 template <unsigned int R>
93 inline uint32x4_t RotateLeft(const uint32x4_t& val)
94 {
95 const uint32x4_t a(vshlq_n_u32(val, R));
96 const uint32x4_t b(vshrq_n_u32(val, 32 - R));
97 return vorrq_u32(a, b);
98 }
99
100 template <unsigned int R>
101 inline uint32x4_t RotateRight(const uint32x4_t& val)
102 {
103 const uint32x4_t a(vshlq_n_u32(val, 32 - R));
104 const uint32x4_t b(vshrq_n_u32(val, R));
105 return vorrq_u32(a, b);
106 }
107
108 #if defined(__aarch32__) || defined(__aarch64__)
109 template <>
110 inline uint32x4_t RotateLeft<8>(const uint32x4_t& val)
111 {
112 #if (CRYPTOPP_BIG_ENDIAN)
113 const uint8_t maskb[16] = { 14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3 };
114 const uint8x16_t mask = vld1q_u8(maskb);
115 #else
116 const uint8_t maskb[16] = { 3,0,1,2, 7,4,5,6, 11,8,9,10, 15,12,13,14 };
117 const uint8x16_t mask = vld1q_u8(maskb);
118 #endif
119
120 return vreinterpretq_u32_u8(
121 vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
122 }
123
124 template <>
125 inline uint32x4_t RotateRight<8>(const uint32x4_t& val)
126 {
127 #if (CRYPTOPP_BIG_ENDIAN)
128 const uint8_t maskb[16] = { 12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1 };
129 const uint8x16_t mask = vld1q_u8(maskb);
130 #else
131 const uint8_t maskb[16] = { 1,2,3,0, 5,6,7,4, 9,10,11,8, 13,14,14,12 };
132 const uint8x16_t mask = vld1q_u8(maskb);
133 #endif
134
135 return vreinterpretq_u32_u8(
136 vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
137 }
138 #endif
139
140 uint32x4_t UnpackLow32(uint32x4_t a, uint32x4_t b)
141 {
142 uint32x2_t a1 = vget_low_u32(a);
143 uint32x2_t b1 = vget_low_u32(b);
144 uint32x2x2_t result = vzip_u32(a1, b1);
145 return vcombine_u32(result.val[0], result.val[1]);
146 }
147
148 uint32x4_t UnpackHigh32(uint32x4_t a, uint32x4_t b)
149 {
150 uint32x2_t a1 = vget_high_u32(a);
151 uint32x2_t b1 = vget_high_u32(b);
152 uint32x2x2_t result = vzip_u32(a1, b1);
153 return vcombine_u32(result.val[0], result.val[1]);
154 }
155
156 uint32x4_t UnpackLow64(uint32x4_t a, uint32x4_t b)
157 {
158 uint64x1_t a1 = vget_low_u64((uint64x2_t)a);
159 uint64x1_t b1 = vget_low_u64((uint64x2_t)b);
160 return (uint32x4_t)vcombine_u64(a1, b1);
161 }
162
163 uint32x4_t UnpackHigh64(uint32x4_t a, uint32x4_t b)
164 {
165 uint64x1_t a1 = vget_high_u64((uint64x2_t)a);
166 uint64x1_t b1 = vget_high_u64((uint64x2_t)b);
167 return (uint32x4_t)vcombine_u64(a1, b1);
168 }
169
170 template <unsigned int IDX>
171 inline uint32x4_t LoadKey(const word32 rkey[])
172 {
173 return vdupq_n_u32(rkey[IDX]);
174 }
175
176 template <unsigned int IDX>
177 inline uint32x4_t UnpackNEON(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
178 {
179 // Should not be instantiated
180 CRYPTOPP_ASSERT(0);
181
182 CRYPTOPP_UNUSED(a); CRYPTOPP_UNUSED(b);
183 CRYPTOPP_UNUSED(c); CRYPTOPP_UNUSED(d);
184 return vmovq_n_u32(0);
185 }
186
187 template <>
188 inline uint32x4_t UnpackNEON<0>(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
189 {
190 const uint32x4_t r1 = UnpackLow32(a, b);
191 const uint32x4_t r2 = UnpackLow32(c, d);
192 return UnpackLow64(r1, r2);
193 }
194
195 template <>
196 inline uint32x4_t UnpackNEON<1>(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
197 {
198 const uint32x4_t r1 = UnpackLow32(a, b);
199 const uint32x4_t r2 = UnpackLow32(c, d);
200 return UnpackHigh64(r1, r2);
201 }
202
203 template <>
204 inline uint32x4_t UnpackNEON<2>(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
205 {
206 const uint32x4_t r1 = UnpackHigh32(a, b);
207 const uint32x4_t r2 = UnpackHigh32(c, d);
208 return UnpackLow64(r1, r2);
209 }
210
211 template <>
212 inline uint32x4_t UnpackNEON<3>(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
213 {
214 const uint32x4_t r1 = UnpackHigh32(a, b);
215 const uint32x4_t r2 = UnpackHigh32(c, d);
216 return UnpackHigh64(r1, r2);
217 }
218
219 template <unsigned int IDX>
220 inline uint32x4_t UnpackNEON(const uint32x4_t& v)
221 {
222 // Should not be instantiated
223 CRYPTOPP_ASSERT(0);
224
225 CRYPTOPP_UNUSED(v);
226 return vmovq_n_u32(0);
227 }
228
229 template <>
230 inline uint32x4_t UnpackNEON<0>(const uint32x4_t& v)
231 {
232 // Splat to all lanes
233 return vdupq_n_u32(vgetq_lane_u32(v, 0));
234 }
235
236 template <>
237 inline uint32x4_t UnpackNEON<1>(const uint32x4_t& v)
238 {
239 // Splat to all lanes
240 return vdupq_n_u32(vgetq_lane_u32(v, 1));
241 }
242
243 template <>
244 inline uint32x4_t UnpackNEON<2>(const uint32x4_t& v)
245 {
246 // Splat to all lanes
247 return vdupq_n_u32(vgetq_lane_u32(v, 2));
248 }
249
250 template <>
251 inline uint32x4_t UnpackNEON<3>(const uint32x4_t& v)
252 {
253 // Splat to all lanes
254 return vdupq_n_u32(vgetq_lane_u32(v, 3));
255 }
256
257 template <unsigned int IDX>
258 inline uint32x4_t RepackNEON(const uint32x4_t& a, const uint32x4_t& b, const uint32x4_t& c, const uint32x4_t& d)
259 {
260 return UnpackNEON<IDX>(a, b, c, d);
261 }
262
263 template <unsigned int IDX>
264 inline uint32x4_t RepackNEON(const uint32x4_t& v)
265 {
266 return UnpackNEON<IDX>(v);
267 }
268
269 #endif // CRYPTOPP_ARM_NEON_AVAILABLE
270
271 // *************************** IA-32 ***************************//
272
273 #if (CRYPTOPP_SSSE3_AVAILABLE)
274
275 inline __m128i Xor(const __m128i& a, const __m128i& b)
276 {
277 return _mm_xor_si128(a, b);
278 }
279
280 inline __m128i Add(const __m128i& a, const __m128i& b)
281 {
282 return _mm_add_epi32(a, b);
283 }
284
285 inline __m128i Sub(const __m128i& a, const __m128i& b)
286 {
287 return _mm_sub_epi32(a, b);
288 }
289
290 template <unsigned int R>
291 inline __m128i RotateLeft(const __m128i& val)
292 {
293 #if defined(__XOP__)
294 return _mm_roti_epi32(val, R);
295 #else
296 return _mm_or_si128(
297 _mm_slli_epi32(val, R), _mm_srli_epi32(val, 32-R));
298 #endif
299 }
300
301 template <unsigned int R>
302 inline __m128i RotateRight(const __m128i& val)
303 {
304 #if defined(__XOP__)
305 return _mm_roti_epi32(val, 32-R);
306 #else
307 return _mm_or_si128(
308 _mm_slli_epi32(val, 32-R), _mm_srli_epi32(val, R));
309 #endif
310 }
311
312 // Faster than two Shifts and an Or.
313 template <>
314 inline __m128i RotateLeft<8>(const __m128i& val)
315 {
316 #if defined(__XOP__)
317 return _mm_roti_epi32(val, 8);
318 #else
319 const __m128i mask = _mm_set_epi8(14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3);
320 return _mm_shuffle_epi8(val, mask);
321 #endif
322 }
323
324 // Faster than two Shifts and an Or.
325 template <>
326 inline __m128i RotateRight<8>(const __m128i& val)
327 {
328 #if defined(__XOP__)
329 return _mm_roti_epi32(val, 32-8);
330 #else
331 const __m128i mask = _mm_set_epi8(12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1);
332 return _mm_shuffle_epi8(val, mask);
333 #endif
334 }
335
336 template <unsigned int IDX>
337 inline __m128i LoadKey(const word32 rkey[])
338 {
339 float rk; std::memcpy(&rk, rkey+IDX, sizeof(rk));
340 return _mm_castps_si128(_mm_load_ps1(&rk));
341 }
342
343 template <unsigned int IDX>
344 inline __m128i UnpackXMM(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
345 {
346 // Should not be instantiated
347 CRYPTOPP_UNUSED(a); CRYPTOPP_UNUSED(b);
348 CRYPTOPP_UNUSED(c); CRYPTOPP_UNUSED(d);
349 CRYPTOPP_ASSERT(0);
350 return _mm_setzero_si128();
351 }
352
353 template <>
354 inline __m128i UnpackXMM<0>(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
355 {
356 // LEA is little-endian oriented, so there is no need for a separate shuffle.
357 const __m128i r1 = _mm_unpacklo_epi32(a, b);
358 const __m128i r2 = _mm_unpacklo_epi32(c, d);
359 return _mm_unpacklo_epi64(r1, r2);
360 }
361
362 template <>
363 inline __m128i UnpackXMM<1>(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
364 {
365 // LEA is little-endian oriented, so there is no need for a separate shuffle.
366 const __m128i r1 = _mm_unpacklo_epi32(a, b);
367 const __m128i r2 = _mm_unpacklo_epi32(c, d);
368 return _mm_unpackhi_epi64(r1, r2);
369 }
370
371 template <>
372 inline __m128i UnpackXMM<2>(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
373 {
374 // LEA is little-endian oriented, so there is no need for a separate shuffle.
375 const __m128i r1 = _mm_unpackhi_epi32(a, b);
376 const __m128i r2 = _mm_unpackhi_epi32(c, d);
377 return _mm_unpacklo_epi64(r1, r2);
378 }
379
380 template <>
381 inline __m128i UnpackXMM<3>(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
382 {
383 // LEA is little-endian oriented, so there is no need for a separate shuffle.
384 const __m128i r1 = _mm_unpackhi_epi32(a, b);
385 const __m128i r2 = _mm_unpackhi_epi32(c, d);
386 return _mm_unpackhi_epi64(r1, r2);
387 }
388
389 template <unsigned int IDX>
390 inline __m128i UnpackXMM(const __m128i& v)
391 {
392 // Should not be instantiated
393 CRYPTOPP_UNUSED(v); CRYPTOPP_ASSERT(0);
394 return _mm_setzero_si128();
395 }
396
397 template <>
398 inline __m128i UnpackXMM<0>(const __m128i& v)
399 {
400 // Splat to all lanes
401 return _mm_shuffle_epi8(v, _mm_set_epi8(3,2,1,0, 3,2,1,0, 3,2,1,0, 3,2,1,0));
402 }
403
404 template <>
405 inline __m128i UnpackXMM<1>(const __m128i& v)
406 {
407 // Splat to all lanes
408 return _mm_shuffle_epi8(v, _mm_set_epi8(7,6,5,4, 7,6,5,4, 7,6,5,4, 7,6,5,4));
409 }
410
411 template <>
412 inline __m128i UnpackXMM<2>(const __m128i& v)
413 {
414 // Splat to all lanes
415 return _mm_shuffle_epi8(v, _mm_set_epi8(11,10,9,8, 11,10,9,8, 11,10,9,8, 11,10,9,8));
416 }
417
418 template <>
419 inline __m128i UnpackXMM<3>(const __m128i& v)
420 {
421 // Splat to all lanes
422 return _mm_shuffle_epi8(v, _mm_set_epi8(15,14,13,12, 15,14,13,12, 15,14,13,12, 15,14,13,12));
423 }
424
425 template <unsigned int IDX>
426 inline __m128i RepackXMM(const __m128i& a, const __m128i& b, const __m128i& c, const __m128i& d)
427 {
428 return UnpackXMM<IDX>(a, b, c, d);
429 }
430
431 template <unsigned int IDX>
432 inline __m128i RepackXMM(const __m128i& v)
433 {
434 return UnpackXMM<IDX>(v);
435 }
436
437 #endif // CRYPTOPP_SSSE3_AVAILABLE
438
439 // *************************** Power8 ***************************//
440
441 #if (CRYPTOPP_POWER8_AVAILABLE)
442
443 using CryptoPP::uint8x16_p;
444 using CryptoPP::uint32x4_p;
445 using CryptoPP::uint64x2_p;
446
447 inline uint32x4_p Xor(const uint32x4_p& a, const uint32x4_p& b)
448 {
449 return VecXor(a, b);
450 }
451
452 inline uint32x4_p Add(const uint32x4_p& a, const uint32x4_p& b)
453 {
454 return VecAdd(a, b);
455 }
456
457 inline uint32x4_p Sub(const uint32x4_p& a, const uint32x4_p& b)
458 {
459 return VecSub(a, b);
460 }
461
462 template <unsigned int R>
463 inline uint32x4_p RotateLeft(const uint32x4_p& val)
464 {
465 const uint32x4_p m = {R, R, R, R};
466 return vec_rl(val, m);
467 }
468
469 template <unsigned int R>
470 inline uint32x4_p RotateRight(const uint32x4_p& val)
471 {
472 const uint32x4_p m = {32-R, 32-R, 32-R, 32-R};
473 return vec_rl(val, m);
474 }
475
476 template <unsigned int IDX>
477 inline uint32x4_p LoadKey(const word32 rkey[])
478 {
479 return vec_splats(rkey[IDX]);
480 }
481
482 template <unsigned int IDX>
483 inline uint32x4_p UnpackSIMD(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
484 {
485 // Should not be instantiated
486 CRYPTOPP_UNUSED(a); CRYPTOPP_UNUSED(b);
487 CRYPTOPP_UNUSED(c); CRYPTOPP_UNUSED(d);
488 CRYPTOPP_ASSERT(0);
489 return VecXor(a, a);
490 }
491
492 template <>
493 inline uint32x4_p UnpackSIMD<0>(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
494 {
495 const uint64x2_p r1 = (uint64x2_p)vec_mergel(a, b);
496 const uint64x2_p r2 = (uint64x2_p)vec_mergel(c, d);
497 return (uint32x4_p)vec_mergel(r1, r2);
498 }
499
500 template <>
501 inline uint32x4_p UnpackSIMD<1>(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
502 {
503 const uint64x2_p r1 = (uint64x2_p)vec_mergel(a, b);
504 const uint64x2_p r2 = (uint64x2_p)vec_mergel(c, d);
505 return (uint32x4_p)vec_mergeh(r1, r2);
506 }
507
508 template <>
509 inline uint32x4_p UnpackSIMD<2>(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
510 {
511 const uint64x2_p r1 = (uint64x2_p)vec_mergeh(a, b);
512 const uint64x2_p r2 = (uint64x2_p)vec_mergeh(c, d);
513 return (uint32x4_p)vec_mergel(r1, r2);
514 }
515
516 template <>
517 inline uint32x4_p UnpackSIMD<3>(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
518 {
519 const uint64x2_p r1 = (uint64x2_p)vec_mergeh(a, b);
520 const uint64x2_p r2 = (uint64x2_p)vec_mergeh(c, d);
521 return (uint32x4_p)vec_mergeh(r1, r2);
522 }
523
524 template <unsigned int IDX>
525 inline uint32x4_p UnpackSIMD(const uint32x4_p& v)
526 {
527 // Should not be instantiated
528 CRYPTOPP_ASSERT(0);
529 return VecXor(v, v);
530 }
531
532 template <>
533 inline uint32x4_p UnpackSIMD<0>(const uint32x4_p& v)
534 {
535 // Splat to all lanes
536 const uint8x16_p m = {3,2,1,0, 3,2,1,0, 3,2,1,0, 3,2,1,0};
537 return (uint32x4_p)VecPermute(v, v, m);
538 }
539
540 template <>
541 inline uint32x4_p UnpackSIMD<1>(const uint32x4_p& v)
542 {
543 // Splat to all lanes
544 const uint8x16_p m = {7,6,5,4, 7,6,5,4, 7,6,5,4, 7,6,5,4};
545 return (uint32x4_p)VecPermute(v, v, m);
546 }
547
548 template <>
549 inline uint32x4_p UnpackSIMD<2>(const uint32x4_p& v)
550 {
551 // Splat to all lanes
552 const uint8x16_p m = {11,10,9,8, 11,10,9,8, 11,10,9,8, 11,10,9,8};
553 return (uint32x4_p)VecPermute(v, v, m);
554 }
555
556 template <>
557 inline uint32x4_p UnpackSIMD<3>(const uint32x4_p& v)
558 {
559 // Splat to all lanes
560 const uint8x16_p m = {15,14,13,12, 15,14,13,12, 15,14,13,12, 15,14,13,12};
561 return (uint32x4_p)VecPermute(v, v, m);
562 }
563
564 template <unsigned int IDX>
565 inline uint32x4_p RepackSIMD(const uint32x4_p& a, const uint32x4_p& b, const uint32x4_p& c, const uint32x4_p& d)
566 {
567 return UnpackSIMD<IDX>(a, b, c, d);
568 }
569
570 template <unsigned int IDX>
571 inline uint32x4_p RepackSIMD(const uint32x4_p& v)
572 {
573 return UnpackSIMD<IDX>(v);
574 }
575
576 #endif // CRYPTOPP_POWER8_AVAILABLE
577
578 // *************************** LEA Encryption ***************************//
579
580 #if (CRYPTOPP_ARM_NEON_AVAILABLE || CRYPTOPP_SSSE3_AVAILABLE)
581
582 template <class W>
583 inline void LEA_Encryption(W temp[4], const word32 *subkeys, unsigned int rounds)
584 {
585 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<4>(subkeys)), Xor(temp[3], LoadKey<5>(subkeys))));
586 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<2>(subkeys)), Xor(temp[2], LoadKey<3>(subkeys))));
587 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<0>(subkeys)), Xor(temp[1], LoadKey<1>(subkeys))));
588 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<10>(subkeys)), Xor(temp[0], LoadKey<11>(subkeys))));
589 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<8>(subkeys)), Xor(temp[3], LoadKey<9>(subkeys))));
590 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<6>(subkeys)), Xor(temp[2], LoadKey<7>(subkeys))));
591 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<16>(subkeys)), Xor(temp[1], LoadKey<17>(subkeys))));
592 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<14>(subkeys)), Xor(temp[0], LoadKey<15>(subkeys))));
593 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<12>(subkeys)), Xor(temp[3], LoadKey<13>(subkeys))));
594 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<22>(subkeys)), Xor(temp[2], LoadKey<23>(subkeys))));
595 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<20>(subkeys)), Xor(temp[1], LoadKey<21>(subkeys))));
596 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<18>(subkeys)), Xor(temp[0], LoadKey<19>(subkeys))));
597
598 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<28>(subkeys)), Xor(temp[3], LoadKey<29>(subkeys))));
599 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<26>(subkeys)), Xor(temp[2], LoadKey<27>(subkeys))));
600 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<24>(subkeys)), Xor(temp[1], LoadKey<25>(subkeys))));
601 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<34>(subkeys)), Xor(temp[0], LoadKey<35>(subkeys))));
602 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<32>(subkeys)), Xor(temp[3], LoadKey<33>(subkeys))));
603 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<30>(subkeys)), Xor(temp[2], LoadKey<31>(subkeys))));
604 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<40>(subkeys)), Xor(temp[1], LoadKey<41>(subkeys))));
605 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<38>(subkeys)), Xor(temp[0], LoadKey<39>(subkeys))));
606 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<36>(subkeys)), Xor(temp[3], LoadKey<37>(subkeys))));
607 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<46>(subkeys)), Xor(temp[2], LoadKey<47>(subkeys))));
608 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<44>(subkeys)), Xor(temp[1], LoadKey<45>(subkeys))));
609 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<42>(subkeys)), Xor(temp[0], LoadKey<43>(subkeys))));
610
611 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<52>(subkeys)), Xor(temp[3], LoadKey<53>(subkeys))));
612 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<50>(subkeys)), Xor(temp[2], LoadKey<51>(subkeys))));
613 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<48>(subkeys)), Xor(temp[1], LoadKey<49>(subkeys))));
614 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<58>(subkeys)), Xor(temp[0], LoadKey<59>(subkeys))));
615 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<56>(subkeys)), Xor(temp[3], LoadKey<57>(subkeys))));
616 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<54>(subkeys)), Xor(temp[2], LoadKey<55>(subkeys))));
617 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<64>(subkeys)), Xor(temp[1], LoadKey<65>(subkeys))));
618 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<62>(subkeys)), Xor(temp[0], LoadKey<63>(subkeys))));
619 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<60>(subkeys)), Xor(temp[3], LoadKey<61>(subkeys))));
620 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<70>(subkeys)), Xor(temp[2], LoadKey<71>(subkeys))));
621 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<68>(subkeys)), Xor(temp[1], LoadKey<69>(subkeys))));
622 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<66>(subkeys)), Xor(temp[0], LoadKey<67>(subkeys))));
623
624 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<76>(subkeys)), Xor(temp[3], LoadKey<77>(subkeys))));
625 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<74>(subkeys)), Xor(temp[2], LoadKey<75>(subkeys))));
626 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<72>(subkeys)), Xor(temp[1], LoadKey<73>(subkeys))));
627 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<82>(subkeys)), Xor(temp[0], LoadKey<83>(subkeys))));
628 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<80>(subkeys)), Xor(temp[3], LoadKey<81>(subkeys))));
629 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<78>(subkeys)), Xor(temp[2], LoadKey<79>(subkeys))));
630 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<88>(subkeys)), Xor(temp[1], LoadKey<89>(subkeys))));
631 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<86>(subkeys)), Xor(temp[0], LoadKey<87>(subkeys))));
632 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<84>(subkeys)), Xor(temp[3], LoadKey<85>(subkeys))));
633 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<94>(subkeys)), Xor(temp[2], LoadKey<95>(subkeys))));
634 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<92>(subkeys)), Xor(temp[1], LoadKey<93>(subkeys))));
635 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<90>(subkeys)), Xor(temp[0], LoadKey<91>(subkeys))));
636
637 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<100>(subkeys)), Xor(temp[3], LoadKey<101>(subkeys))));
638 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<98>(subkeys)), Xor(temp[2], LoadKey<99>(subkeys))));
639 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<96>(subkeys)), Xor(temp[1], LoadKey<97>(subkeys))));
640 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<106>(subkeys)), Xor(temp[0], LoadKey<107>(subkeys))));
641 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<104>(subkeys)), Xor(temp[3], LoadKey<105>(subkeys))));
642 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<102>(subkeys)), Xor(temp[2], LoadKey<103>(subkeys))));
643 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<112>(subkeys)), Xor(temp[1], LoadKey<113>(subkeys))));
644 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<110>(subkeys)), Xor(temp[0], LoadKey<111>(subkeys))));
645 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<108>(subkeys)), Xor(temp[3], LoadKey<109>(subkeys))));
646 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<118>(subkeys)), Xor(temp[2], LoadKey<119>(subkeys))));
647 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<116>(subkeys)), Xor(temp[1], LoadKey<117>(subkeys))));
648 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<114>(subkeys)), Xor(temp[0], LoadKey<115>(subkeys))));
649
650 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<124>(subkeys)), Xor(temp[3], LoadKey<125>(subkeys))));
651 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<122>(subkeys)), Xor(temp[2], LoadKey<123>(subkeys))));
652 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<120>(subkeys)), Xor(temp[1], LoadKey<121>(subkeys))));
653 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<130>(subkeys)), Xor(temp[0], LoadKey<131>(subkeys))));
654 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<128>(subkeys)), Xor(temp[3], LoadKey<129>(subkeys))));
655 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<126>(subkeys)), Xor(temp[2], LoadKey<127>(subkeys))));
656 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<136>(subkeys)), Xor(temp[1], LoadKey<137>(subkeys))));
657 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<134>(subkeys)), Xor(temp[0], LoadKey<135>(subkeys))));
658 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<132>(subkeys)), Xor(temp[3], LoadKey<133>(subkeys))));
659 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<142>(subkeys)), Xor(temp[2], LoadKey<143>(subkeys))));
660 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<140>(subkeys)), Xor(temp[1], LoadKey<141>(subkeys))));
661 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<138>(subkeys)), Xor(temp[0], LoadKey<139>(subkeys))));
662
663 if(rounds > 24)
664 {
665 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<148>(subkeys)), Xor(temp[3], LoadKey<149>(subkeys))));
666 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<146>(subkeys)), Xor(temp[2], LoadKey<147>(subkeys))));
667 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<144>(subkeys)), Xor(temp[1], LoadKey<145>(subkeys))));
668 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<154>(subkeys)), Xor(temp[0], LoadKey<155>(subkeys))));
669 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<152>(subkeys)), Xor(temp[3], LoadKey<153>(subkeys))));
670 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<150>(subkeys)), Xor(temp[2], LoadKey<151>(subkeys))));
671 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<160>(subkeys)), Xor(temp[1], LoadKey<161>(subkeys))));
672 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<158>(subkeys)), Xor(temp[0], LoadKey<159>(subkeys))));
673 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<156>(subkeys)), Xor(temp[3], LoadKey<157>(subkeys))));
674 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<166>(subkeys)), Xor(temp[2], LoadKey<167>(subkeys))));
675 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<164>(subkeys)), Xor(temp[1], LoadKey<165>(subkeys))));
676 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<162>(subkeys)), Xor(temp[0], LoadKey<163>(subkeys))));
677 }
678
679 if(rounds > 28)
680 {
681 temp[3] = RotateRight<3>(Add(Xor(temp[2], LoadKey<172>(subkeys)), Xor(temp[3], LoadKey<173>(subkeys))));
682 temp[2] = RotateRight<5>(Add(Xor(temp[1], LoadKey<170>(subkeys)), Xor(temp[2], LoadKey<171>(subkeys))));
683 temp[1] = RotateLeft<9>(Add(Xor(temp[0], LoadKey<168>(subkeys)), Xor(temp[1], LoadKey<169>(subkeys))));
684 temp[0] = RotateRight<3>(Add(Xor(temp[3], LoadKey<178>(subkeys)), Xor(temp[0], LoadKey<179>(subkeys))));
685 temp[3] = RotateRight<5>(Add(Xor(temp[2], LoadKey<176>(subkeys)), Xor(temp[3], LoadKey<177>(subkeys))));
686 temp[2] = RotateLeft<9>(Add(Xor(temp[1], LoadKey<174>(subkeys)), Xor(temp[2], LoadKey<175>(subkeys))));
687 temp[1] = RotateRight<3>(Add(Xor(temp[0], LoadKey<184>(subkeys)), Xor(temp[1], LoadKey<185>(subkeys))));
688 temp[0] = RotateRight<5>(Add(Xor(temp[3], LoadKey<182>(subkeys)), Xor(temp[0], LoadKey<183>(subkeys))));
689 temp[3] = RotateLeft<9>(Add(Xor(temp[2], LoadKey<180>(subkeys)), Xor(temp[3], LoadKey<181>(subkeys))));
690 temp[2] = RotateRight<3>(Add(Xor(temp[1], LoadKey<190>(subkeys)), Xor(temp[2], LoadKey<191>(subkeys))));
691 temp[1] = RotateRight<5>(Add(Xor(temp[0], LoadKey<188>(subkeys)), Xor(temp[1], LoadKey<189>(subkeys))));
692 temp[0] = RotateLeft<9>(Add(Xor(temp[3], LoadKey<186>(subkeys)), Xor(temp[0], LoadKey<187>(subkeys))));
693 }
694 }
695
696 // *************************** LEA Decryption ***************************//
697
698 template <class W>
699 inline void LEA_Decryption(W temp[4], const word32 *subkeys, unsigned int rounds)
700 {
701 if(rounds > 28)
702 {
703 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<186>(subkeys))), LoadKey<187>(subkeys));
704 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<188>(subkeys))), LoadKey<189>(subkeys));
705 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<190>(subkeys))), LoadKey<191>(subkeys));
706 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<180>(subkeys))), LoadKey<181>(subkeys));
707 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<182>(subkeys))), LoadKey<183>(subkeys));
708 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<184>(subkeys))), LoadKey<185>(subkeys));
709 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<174>(subkeys))), LoadKey<175>(subkeys));
710 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<176>(subkeys))), LoadKey<177>(subkeys));
711 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<178>(subkeys))), LoadKey<179>(subkeys));
712 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<168>(subkeys))), LoadKey<169>(subkeys));
713 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<170>(subkeys))), LoadKey<171>(subkeys));
714 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<172>(subkeys))), LoadKey<173>(subkeys));
715 }
716
717 if(rounds > 24)
718 {
719 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<162>(subkeys))), LoadKey<163>(subkeys));
720 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<164>(subkeys))), LoadKey<165>(subkeys));
721 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<166>(subkeys))), LoadKey<167>(subkeys));
722 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<156>(subkeys))), LoadKey<157>(subkeys));
723 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<158>(subkeys))), LoadKey<159>(subkeys));
724 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<160>(subkeys))), LoadKey<161>(subkeys));
725 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<150>(subkeys))), LoadKey<151>(subkeys));
726 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<152>(subkeys))), LoadKey<153>(subkeys));
727 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<154>(subkeys))), LoadKey<155>(subkeys));
728 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<144>(subkeys))), LoadKey<145>(subkeys));
729 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<146>(subkeys))), LoadKey<147>(subkeys));
730 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<148>(subkeys))), LoadKey<149>(subkeys));
731 }
732
733 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<138>(subkeys))), LoadKey<139>(subkeys));
734 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<140>(subkeys))), LoadKey<141>(subkeys));
735 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<142>(subkeys))), LoadKey<143>(subkeys));
736 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<132>(subkeys))), LoadKey<133>(subkeys));
737 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<134>(subkeys))), LoadKey<135>(subkeys));
738 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<136>(subkeys))), LoadKey<137>(subkeys));
739 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<126>(subkeys))), LoadKey<127>(subkeys));
740 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<128>(subkeys))), LoadKey<129>(subkeys));
741 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<130>(subkeys))), LoadKey<131>(subkeys));
742 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<120>(subkeys))), LoadKey<121>(subkeys));
743 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<122>(subkeys))), LoadKey<123>(subkeys));
744 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<124>(subkeys))), LoadKey<125>(subkeys));
745
746 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<114>(subkeys))), LoadKey<115>(subkeys));
747 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<116>(subkeys))), LoadKey<117>(subkeys));
748 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<118>(subkeys))), LoadKey<119>(subkeys));
749 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<108>(subkeys))), LoadKey<109>(subkeys));
750 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<110>(subkeys))), LoadKey<111>(subkeys));
751 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<112>(subkeys))), LoadKey<113>(subkeys));
752 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<102>(subkeys))), LoadKey<103>(subkeys));
753 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<104>(subkeys))), LoadKey<105>(subkeys));
754 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<106>(subkeys))), LoadKey<107>(subkeys));
755 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<96>(subkeys))), LoadKey<97>(subkeys));
756 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<98>(subkeys))), LoadKey<99>(subkeys));
757 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<100>(subkeys))), LoadKey<101>(subkeys));
758
759 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<90>(subkeys))), LoadKey<91>(subkeys));
760 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<92>(subkeys))), LoadKey<93>(subkeys));
761 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<94>(subkeys))), LoadKey<95>(subkeys));
762 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<84>(subkeys))), LoadKey<85>(subkeys));
763 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<86>(subkeys))), LoadKey<87>(subkeys));
764 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<88>(subkeys))), LoadKey<89>(subkeys));
765 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<78>(subkeys))), LoadKey<79>(subkeys));
766 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<80>(subkeys))), LoadKey<81>(subkeys));
767 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<82>(subkeys))), LoadKey<83>(subkeys));
768 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<72>(subkeys))), LoadKey<73>(subkeys));
769 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<74>(subkeys))), LoadKey<75>(subkeys));
770 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<76>(subkeys))), LoadKey<77>(subkeys));
771
772 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<66>(subkeys))), LoadKey<67>(subkeys));
773 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<68>(subkeys))), LoadKey<69>(subkeys));
774 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<70>(subkeys))), LoadKey<71>(subkeys));
775 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<60>(subkeys))), LoadKey<61>(subkeys));
776 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<62>(subkeys))), LoadKey<63>(subkeys));
777 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<64>(subkeys))), LoadKey<65>(subkeys));
778 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<54>(subkeys))), LoadKey<55>(subkeys));
779 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<56>(subkeys))), LoadKey<57>(subkeys));
780 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<58>(subkeys))), LoadKey<59>(subkeys));
781 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<48>(subkeys))), LoadKey<49>(subkeys));
782 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<50>(subkeys))), LoadKey<51>(subkeys));
783 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<52>(subkeys))), LoadKey<53>(subkeys));
784
785 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<42>(subkeys))), LoadKey<43>(subkeys));
786 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<44>(subkeys))), LoadKey<45>(subkeys));
787 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<46>(subkeys))), LoadKey<47>(subkeys));
788 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<36>(subkeys))), LoadKey<37>(subkeys));
789 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<38>(subkeys))), LoadKey<39>(subkeys));
790 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<40>(subkeys))), LoadKey<41>(subkeys));
791 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<30>(subkeys))), LoadKey<31>(subkeys));
792 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<32>(subkeys))), LoadKey<33>(subkeys));
793 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<34>(subkeys))), LoadKey<35>(subkeys));
794 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<24>(subkeys))), LoadKey<25>(subkeys));
795 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<26>(subkeys))), LoadKey<27>(subkeys));
796 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<28>(subkeys))), LoadKey<29>(subkeys));
797
798 temp[0] = Xor(Sub(RotateRight<9>(temp[0]), Xor(temp[3], LoadKey<18>(subkeys))), LoadKey<19>(subkeys));
799 temp[1] = Xor(Sub(RotateLeft<5>(temp[1]), Xor(temp[0], LoadKey<20>(subkeys))), LoadKey<21>(subkeys));
800 temp[2] = Xor(Sub(RotateLeft<3>(temp[2]), Xor(temp[1], LoadKey<22>(subkeys))), LoadKey<23>(subkeys));
801 temp[3] = Xor(Sub(RotateRight<9>(temp[3]), Xor(temp[2], LoadKey<12>(subkeys))), LoadKey<13>(subkeys));
802 temp[0] = Xor(Sub(RotateLeft<5>(temp[0]), Xor(temp[3], LoadKey<14>(subkeys))), LoadKey<15>(subkeys));
803 temp[1] = Xor(Sub(RotateLeft<3>(temp[1]), Xor(temp[0], LoadKey<16>(subkeys))), LoadKey<17>(subkeys));
804 temp[2] = Xor(Sub(RotateRight<9>(temp[2]), Xor(temp[1], LoadKey<6>(subkeys))), LoadKey<7>(subkeys));
805 temp[3] = Xor(Sub(RotateLeft<5>(temp[3]), Xor(temp[2], LoadKey<8>(subkeys))), LoadKey<9>(subkeys));
806 temp[0] = Xor(Sub(RotateLeft<3>(temp[0]), Xor(temp[3], LoadKey<10>(subkeys))), LoadKey<11>(subkeys));
807 temp[1] = Xor(Sub(RotateRight<9>(temp[1]), Xor(temp[0], LoadKey<0>(subkeys))), LoadKey<1>(subkeys));
808 temp[2] = Xor(Sub(RotateLeft<5>(temp[2]), Xor(temp[1], LoadKey<2>(subkeys))), LoadKey<3>(subkeys));
809 temp[3] = Xor(Sub(RotateLeft<3>(temp[3]), Xor(temp[2], LoadKey<4>(subkeys))), LoadKey<5>(subkeys));
810 }
811
812 #endif // LEA Encryption and Decryption
813
814 // *************************** ARM NEON ***************************//
815
816 #if (CRYPTOPP_ARM_NEON_AVAILABLE)
817
818 inline void LEA_Enc_Block(uint32x4_t &block0,
819 const word32 *subkeys, unsigned int rounds)
820 {
821 uint32x4_t temp[4];
822 temp[0] = UnpackNEON<0>(block0);
823 temp[1] = UnpackNEON<1>(block0);
824 temp[2] = UnpackNEON<2>(block0);
825 temp[3] = UnpackNEON<3>(block0);
826
827 LEA_Encryption(temp, subkeys, rounds);
828
829 block0 = RepackNEON<0>(temp[0], temp[1], temp[2], temp[3]);
830 }
831
832 inline void LEA_Dec_Block(uint32x4_t &block0,
833 const word32 *subkeys, unsigned int rounds)
834 {
835 uint32x4_t temp[4];
836 temp[0] = UnpackNEON<0>(block0);
837 temp[1] = UnpackNEON<1>(block0);
838 temp[2] = UnpackNEON<2>(block0);
839 temp[3] = UnpackNEON<3>(block0);
840
841 LEA_Decryption(temp, subkeys, rounds);
842
843 block0 = RepackNEON<0>(temp[0], temp[1], temp[2], temp[3]);
844 }
845
846 inline void LEA_Enc_4_Blocks(uint32x4_t &block0, uint32x4_t &block1,
847 uint32x4_t &block2, uint32x4_t &block3, const word32 *subkeys, unsigned int rounds)
848 {
849 uint32x4_t temp[4];
850 temp[0] = UnpackNEON<0>(block0, block1, block2, block3);
851 temp[1] = UnpackNEON<1>(block0, block1, block2, block3);
852 temp[2] = UnpackNEON<2>(block0, block1, block2, block3);
853 temp[3] = UnpackNEON<3>(block0, block1, block2, block3);
854
855 LEA_Encryption(temp, subkeys, rounds);
856
857 block0 = RepackNEON<0>(temp[0], temp[1], temp[2], temp[3]);
858 block1 = RepackNEON<1>(temp[0], temp[1], temp[2], temp[3]);
859 block2 = RepackNEON<2>(temp[0], temp[1], temp[2], temp[3]);
860 block3 = RepackNEON<3>(temp[0], temp[1], temp[2], temp[3]);
861 }
862
863 inline void LEA_Dec_4_Blocks(uint32x4_t &block0, uint32x4_t &block1,
864 uint32x4_t &block2, uint32x4_t &block3, const word32 *subkeys, unsigned int rounds)
865 {
866 uint32x4_t temp[4];
867 temp[0] = UnpackNEON<0>(block0, block1, block2, block3);
868 temp[1] = UnpackNEON<1>(block0, block1, block2, block3);
869 temp[2] = UnpackNEON<2>(block0, block1, block2, block3);
870 temp[3] = UnpackNEON<3>(block0, block1, block2, block3);
871
872 LEA_Decryption(temp, subkeys, rounds);
873
874 block0 = RepackNEON<0>(temp[0], temp[1], temp[2], temp[3]);
875 block1 = RepackNEON<1>(temp[0], temp[1], temp[2], temp[3]);
876 block2 = RepackNEON<2>(temp[0], temp[1], temp[2], temp[3]);
877 block3 = RepackNEON<3>(temp[0], temp[1], temp[2], temp[3]);
878 }
879
880 #endif // CRYPTOPP_ARM_NEON_AVAILABLE
881
882 // *************************** IA-32 ***************************//
883
884 #if (CRYPTOPP_SSSE3_AVAILABLE)
885
886 inline void LEA_Enc_Block(__m128i &block0,
887 const word32 *subkeys, unsigned int rounds)
888 {
889 __m128i temp[4];
890 temp[0] = UnpackXMM<0>(block0);
891 temp[1] = UnpackXMM<1>(block0);
892 temp[2] = UnpackXMM<2>(block0);
893 temp[3] = UnpackXMM<3>(block0);
894
895 LEA_Encryption(temp, subkeys, rounds);
896
897 block0 = RepackXMM<0>(temp[0], temp[1], temp[2], temp[3]);
898 }
899
900 inline void LEA_Dec_Block(__m128i &block0,
901 const word32 *subkeys, unsigned int rounds)
902 {
903 __m128i temp[4];
904 temp[0] = UnpackXMM<0>(block0);
905 temp[1] = UnpackXMM<1>(block0);
906 temp[2] = UnpackXMM<2>(block0);
907 temp[3] = UnpackXMM<3>(block0);
908
909 LEA_Decryption(temp, subkeys, rounds);
910
911 block0 = RepackXMM<0>(temp[0], temp[1], temp[2], temp[3]);
912 }
913
914 inline void LEA_Enc_4_Blocks(__m128i &block0, __m128i &block1,
915 __m128i &block2, __m128i &block3, const word32 *subkeys, unsigned int rounds)
916 {
917 __m128i temp[4];
918 temp[0] = UnpackXMM<0>(block0, block1, block2, block3);
919 temp[1] = UnpackXMM<1>(block0, block1, block2, block3);
920 temp[2] = UnpackXMM<2>(block0, block1, block2, block3);
921 temp[3] = UnpackXMM<3>(block0, block1, block2, block3);
922
923 LEA_Encryption(temp, subkeys, rounds);
924
925 block0 = RepackXMM<0>(temp[0], temp[1], temp[2], temp[3]);
926 block1 = RepackXMM<1>(temp[0], temp[1], temp[2], temp[3]);
927 block2 = RepackXMM<2>(temp[0], temp[1], temp[2], temp[3]);
928 block3 = RepackXMM<3>(temp[0], temp[1], temp[2], temp[3]);
929 }
930
931 inline void LEA_Dec_4_Blocks(__m128i &block0, __m128i &block1,
932 __m128i &block2, __m128i &block3, const word32 *subkeys, unsigned int rounds)
933 {
934 __m128i temp[4];
935 temp[0] = UnpackXMM<0>(block0, block1, block2, block3);
936 temp[1] = UnpackXMM<1>(block0, block1, block2, block3);
937 temp[2] = UnpackXMM<2>(block0, block1, block2, block3);
938 temp[3] = UnpackXMM<3>(block0, block1, block2, block3);
939
940 LEA_Decryption(temp, subkeys, rounds);
941
942 block0 = RepackXMM<0>(temp[0], temp[1], temp[2], temp[3]);
943 block1 = RepackXMM<1>(temp[0], temp[1], temp[2], temp[3]);
944 block2 = RepackXMM<2>(temp[0], temp[1], temp[2], temp[3]);
945 block3 = RepackXMM<3>(temp[0], temp[1], temp[2], temp[3]);
946 }
947
948 #endif // CRYPTOPP_SSSE3_AVAILABLE
949
950 // *************************** Power8 ***************************//
951
952 #if (CRYPTOPP_POWER8_AVAILABLE)
953
954 inline void LEA_Enc_Block(uint32x4_p &block0,
955 const word32 *subkeys, unsigned int rounds)
956 {
957 uint32x4_p temp[4];
958 temp[0] = UnpackSIMD<0>(block0);
959 temp[1] = UnpackSIMD<1>(block0);
960 temp[2] = UnpackSIMD<2>(block0);
961 temp[3] = UnpackSIMD<3>(block0);
962
963 LEA_Encryption(temp, subkeys, rounds);
964
965 block0 = RepackSIMD<0>(temp[0], temp[1], temp[2], temp[3]);
966 }
967
968 inline void LEA_Dec_Block(uint32x4_p &block0,
969 const word32 *subkeys, unsigned int rounds)
970 {
971 uint32x4_p temp[4];
972 temp[0] = UnpackSIMD<0>(block0);
973 temp[1] = UnpackSIMD<1>(block0);
974 temp[2] = UnpackSIMD<2>(block0);
975 temp[3] = UnpackSIMD<3>(block0);
976
977 LEA_Decryption(temp, subkeys, rounds);
978
979 block0 = RepackSIMD<0>(temp[0], temp[1], temp[2], temp[3]);
980 }
981
982 inline void LEA_Enc_4_Blocks(uint32x4_p &block0, uint32x4_p &block1,
983 uint32x4_p &block2, uint32x4_p &block3, const word32 *subkeys, unsigned int rounds)
984 {
985 uint32x4_p temp[4];
986 temp[0] = UnpackSIMD<0>(block0, block1, block2, block3);
987 temp[1] = UnpackSIMD<1>(block0, block1, block2, block3);
988 temp[2] = UnpackSIMD<2>(block0, block1, block2, block3);
989 temp[3] = UnpackSIMD<3>(block0, block1, block2, block3);
990
991 LEA_Encryption(temp, subkeys, rounds);
992
993 block0 = RepackSIMD<0>(temp[0], temp[1], temp[2], temp[3]);
994 block1 = RepackSIMD<1>(temp[0], temp[1], temp[2], temp[3]);
995 block2 = RepackSIMD<2>(temp[0], temp[1], temp[2], temp[3]);
996 block3 = RepackSIMD<3>(temp[0], temp[1], temp[2], temp[3]);
997 }
998
999 inline void LEA_Dec_4_Blocks(uint32x4_p &block0, uint32x4_p &block1,
1000 uint32x4_p &block2, uint32x4_p &block3, const word32 *subkeys, unsigned int rounds)
1001 {
1002 uint32x4_p temp[4];
1003 temp[0] = UnpackSIMD<0>(block0, block1, block2, block3);
1004 temp[1] = UnpackSIMD<1>(block0, block1, block2, block3);
1005 temp[2] = UnpackSIMD<2>(block0, block1, block2, block3);
1006 temp[3] = UnpackSIMD<3>(block0, block1, block2, block3);
1007
1008 LEA_Decryption(temp, subkeys, rounds);
1009
1010 block0 = RepackSIMD<0>(temp[0], temp[1], temp[2], temp[3]);
1011 block1 = RepackSIMD<1>(temp[0], temp[1], temp[2], temp[3]);
1012 block2 = RepackSIMD<2>(temp[0], temp[1], temp[2], temp[3]);
1013 block3 = RepackSIMD<3>(temp[0], temp[1], temp[2], temp[3]);
1014 }
1015
1016 #endif // CRYPTOPP_POWER8_AVAILABLE
1017
1018 ANONYMOUS_NAMESPACE_END
1019
1020 // *************************** SIMD Templates ***************************//
1021
1022 NAMESPACE_BEGIN(CryptoPP)
1023
1024 #if defined(CRYPTOPP_SSSE3_AVAILABLE)
1025 size_t LEA_Enc_AdvancedProcessBlocks_SSSE3(const word32* subKeys, size_t rounds,
1026 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1027 {
1028 return AdvancedProcessBlocks128_4x1_SSE(LEA_Enc_Block, LEA_Enc_4_Blocks,
1029 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1030 }
1031
1032 size_t LEA_Dec_AdvancedProcessBlocks_SSSE3(const word32* subKeys, size_t rounds,
1033 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1034 {
1035 return AdvancedProcessBlocks128_4x1_SSE(LEA_Dec_Block, LEA_Dec_4_Blocks,
1036 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1037 }
1038 #endif // CRYPTOPP_SSSE3_AVAILABLE
1039
1040 #if defined(CRYPTOPP_ARM_NEON_AVAILABLE)
1041 size_t LEA_Enc_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
1042 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1043 {
1044 return AdvancedProcessBlocks128_4x1_NEON(LEA_Enc_Block, LEA_Enc_4_Blocks,
1045 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1046 }
1047
1048 size_t LEA_Dec_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
1049 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1050 {
1051 return AdvancedProcessBlocks128_4x1_NEON(LEA_Dec_Block, LEA_Dec_4_Blocks,
1052 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1053 }
1054 #endif // CRYPTOPP_ARM_NEON_AVAILABLE
1055
1056 #if defined(CRYPTOPP_POWER8_AVAILABLE)
1057 size_t LEA_Enc_AdvancedProcessBlocks_POWER8(const word32* subKeys, size_t rounds,
1058 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1059 {
1060 return AdvancedProcessBlocks128_4x1_ALTIVEC(LEA_Enc_Block, LEA_Enc_4_Blocks,
1061 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1062 }
1063
1064 size_t LEA_Dec_AdvancedProcessBlocks_POWER8(const word32* subKeys, size_t rounds,
1065 const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
1066 {
1067 return AdvancedProcessBlocks128_4x1_ALTIVEC(LEA_Dec_Block, LEA_Dec_4_Blocks,
1068 subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
1069 }
1070 #endif // CRYPTOPP_POWER8_AVAILABLE
1071
1072 NAMESPACE_END
adv_simd.h
Template for AdvancedProcessBlocks and SIMD processing.
AdvancedProcessBlocks128_4x1_NEON
size_t AdvancedProcessBlocks128_4x1_NEON(F1 func1, F4 func4, const W *subKeys, size_t rounds, const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
AdvancedProcessBlocks for 1 and 4 blocks.
Definition: adv_simd.h:254
AdvancedProcessBlocks128_4x1_ALTIVEC
size_t AdvancedProcessBlocks128_4x1_ALTIVEC(F1 func1, F4 func4, const W *subKeys, size_t rounds, const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
AdvancedProcessBlocks for 1 and 4 blocks.
Definition: adv_simd.h:971
AdvancedProcessBlocks128_4x1_SSE
size_t AdvancedProcessBlocks128_4x1_SSE(F1 func1, F4 func4, const W *subKeys, size_t rounds, const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
AdvancedProcessBlocks for 1 and 4 blocks.
Definition: adv_simd.h:830
config.h
Library configuration file.
word32
unsigned int word32
32-bit unsigned datatype
Definition: config_int.h:72
lea.h
Classes for the LEA block cipher.
misc.h
Utility functions for the Crypto++ library.
CryptoPP
Crypto++ library namespace.
pch.h
Precompiled header file.
ppc_simd.h
Support functions for PowerPC and vector operations.
uint32x4_p
__vector unsigned int uint32x4_p
Vector of 32-bit elements.
Definition: ppc_simd.h:202
VecPermute
T1 VecPermute(const T1 vec, const T2 mask)
Permutes a vector.
Definition: ppc_simd.h:1478
uint8x16_p
__vector unsigned char uint8x16_p
Vector of 8-bit elements.
Definition: ppc_simd.h:192
VecXor
T1 VecXor(const T1 vec1, const T2 vec2)
XOR two vectors.
Definition: ppc_simd.h:1414
uint64x2_p
__vector unsigned long long uint64x2_p
Vector of 64-bit elements.
Definition: ppc_simd.h:212
VecSub
T1 VecSub(const T1 vec1, const T2 vec2)
Subtract two vectors.
Definition: ppc_simd.h:1456
VecAdd
T1 VecAdd(const T1 vec1, const T2 vec2)
Add two vectors.
Definition: ppc_simd.h:1438
CRYPTOPP_ASSERT
#define CRYPTOPP_ASSERT(exp)
Debugging and diagnostic assertion.
Definition: trap.h:68