1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
|
// panama.cpp - written and placed in the public domain by Wei Dai
// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM panama.cpp" to generate MASM code
#include "pch.h"
#ifndef CRYPTOPP_GENERATE_X64_MASM
#include "panama.h"
#include "misc.h"
#include "cpu.h"
NAMESPACE_BEGIN(CryptoPP)
template <class B>
void Panama<B>::Reset()
{
memset(m_state, 0, m_state.SizeInBytes());
#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
m_state[17] = HasSSSE3();
#endif
}
#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
#ifdef CRYPTOPP_X64_MASM_AVAILABLE
extern "C" {
void Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y);
}
#elif CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#ifdef CRYPTOPP_GENERATE_X64_MASM
Panama_SSE2_Pull PROC FRAME
rex_push_reg rdi
alloc_stack(2*16)
save_xmm128 xmm6, 0h
save_xmm128 xmm7, 10h
.endprolog
#else
#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code
void CRYPTOPP_NOINLINE Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y)
{
#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
asm __volatile__
(
".intel_syntax noprefix;"
AS_PUSH_IF86( bx)
#else
AS2( mov AS_REG_1, count)
AS2( mov AS_REG_2, state)
AS2( mov AS_REG_3, z)
AS2( mov AS_REG_4, y)
#endif
#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM
#if CRYPTOPP_BOOL_X86
#define REG_loopEnd [esp]
#elif defined(CRYPTOPP_GENERATE_X64_MASM)
#define REG_loopEnd rdi
#else
#define REG_loopEnd r8
#endif
AS2( shl AS_REG_1, 5)
ASJ( jz, 5, f)
AS2( mov AS_REG_6d, [AS_REG_2+4*17])
AS2( add AS_REG_1, AS_REG_6)
#if CRYPTOPP_BOOL_X64
AS2( mov REG_loopEnd, AS_REG_1)
#else
AS1( push ebp)
AS1( push AS_REG_1)
#endif
AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
AS2( mov eax, dword ptr [AS_REG_2+4*16])
ASL(4)
// gamma and pi
#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
AS2( test AS_REG_6, 1)
ASJ( jnz, 6, f)
#endif
AS2( movdqa xmm6, xmm2)
AS2( movss xmm6, xmm3)
ASS( pshufd xmm5, xmm6, 0, 3, 2, 1)
AS2( movd xmm6, eax)
AS2( movdqa xmm7, xmm3)
AS2( movss xmm7, xmm6)
ASS( pshufd xmm6, xmm7, 0, 3, 2, 1)
#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
ASJ( jmp, 7, f)
ASL(6)
AS2( movdqa xmm5, xmm3)
AS3( palignr xmm5, xmm2, 4)
AS2( movd xmm6, eax)
AS3( palignr xmm6, xmm3, 4)
ASL(7)
#endif
AS2( movd AS_REG_1d, xmm2)
AS1( not AS_REG_1d)
AS2( movd AS_REG_7d, xmm3)
AS2( or AS_REG_1d, AS_REG_7d)
AS2( xor eax, AS_REG_1d)
#define SSE2_Index(i) ASM_MOD(((i)*13+16), 17)
#define pi(i) \
AS2( movd AS_REG_1d, xmm7)\
AS2( rol AS_REG_1d, ASM_MOD((ASM_MOD(5*i,17)*(ASM_MOD(5*i,17)+1)/2), 32))\
AS2( mov [AS_REG_2+SSE2_Index(ASM_MOD(5*(i), 17))*4], AS_REG_1d)
#define pi4(x, y, z, a, b, c, d) \
AS2( pcmpeqb xmm7, xmm7)\
AS2( pxor xmm7, x)\
AS2( por xmm7, y)\
AS2( pxor xmm7, z)\
pi(a)\
ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
pi(b)\
AS2( punpckhqdq xmm7, xmm7)\
pi(c)\
ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
pi(d)
pi4(xmm1, xmm2, xmm3, 1, 5, 9, 13)
pi4(xmm0, xmm1, xmm2, 2, 6, 10, 14)
pi4(xmm6, xmm0, xmm1, 3, 7, 11, 15)
pi4(xmm5, xmm6, xmm0, 4, 8, 12, 16)
// output keystream and update buffer here to hide partial memory stalls between pi and theta
AS2( movdqa xmm4, xmm3)
AS2( punpcklqdq xmm3, xmm2) // 1 5 2 6
AS2( punpckhdq xmm4, xmm2) // 9 10 13 14
AS2( movdqa xmm2, xmm1)
AS2( punpcklqdq xmm1, xmm0) // 3 7 4 8
AS2( punpckhdq xmm2, xmm0) // 11 12 15 16
// keystream
AS2( test AS_REG_3, AS_REG_3)
ASJ( jz, 0, f)
AS2( movdqa xmm6, xmm4)
AS2( punpcklqdq xmm4, xmm2)
AS2( punpckhqdq xmm6, xmm2)
AS2( test AS_REG_4, 15)
ASJ( jnz, 2, f)
AS2( test AS_REG_4, AS_REG_4)
ASJ( jz, 1, f)
AS2( pxor xmm4, [AS_REG_4])
AS2( pxor xmm6, [AS_REG_4+16])
AS2( add AS_REG_4, 32)
ASJ( jmp, 1, f)
ASL(2)
AS2( movdqu xmm0, [AS_REG_4])
AS2( movdqu xmm2, [AS_REG_4+16])
AS2( pxor xmm4, xmm0)
AS2( pxor xmm6, xmm2)
AS2( add AS_REG_4, 32)
ASL(1)
AS2( test AS_REG_3, 15)
ASJ( jnz, 3, f)
AS2( movdqa XMMWORD_PTR [AS_REG_3], xmm4)
AS2( movdqa XMMWORD_PTR [AS_REG_3+16], xmm6)
AS2( add AS_REG_3, 32)
ASJ( jmp, 0, f)
ASL(3)
AS2( movdqu XMMWORD_PTR [AS_REG_3], xmm4)
AS2( movdqu XMMWORD_PTR [AS_REG_3+16], xmm6)
AS2( add AS_REG_3, 32)
ASL(0)
// buffer update
AS2( lea AS_REG_1, [AS_REG_6 + 32])
AS2( and AS_REG_1, 31*32)
AS2( lea AS_REG_7, [AS_REG_6 + (32-24)*32])
AS2( and AS_REG_7, 31*32)
AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8])
AS2( pxor xmm3, xmm0)
ASS( pshufd xmm0, xmm0, 2, 3, 0, 1)
AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8], xmm3)
AS2( pxor xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8])
AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8], xmm0)
AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8])
AS2( pxor xmm1, xmm4)
AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8], xmm1)
AS2( pxor xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8])
AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8], xmm4)
// theta
AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
AS2( test AS_REG_6, 1)
ASJ( jnz, 8, f)
#endif
AS2( movd xmm6, eax)
AS2( movdqa xmm7, xmm3)
AS2( movss xmm7, xmm6)
AS2( movdqa xmm6, xmm2)
AS2( movss xmm6, xmm3)
AS2( movdqa xmm5, xmm1)
AS2( movss xmm5, xmm2)
AS2( movdqa xmm4, xmm0)
AS2( movss xmm4, xmm1)
ASS( pshufd xmm7, xmm7, 0, 3, 2, 1)
ASS( pshufd xmm6, xmm6, 0, 3, 2, 1)
ASS( pshufd xmm5, xmm5, 0, 3, 2, 1)
ASS( pshufd xmm4, xmm4, 0, 3, 2, 1)
#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
ASJ( jmp, 9, f)
ASL(8)
AS2( movd xmm7, eax)
AS3( palignr xmm7, xmm3, 4)
AS2( movq xmm6, xmm3)
AS3( palignr xmm6, xmm2, 4)
AS2( movq xmm5, xmm2)
AS3( palignr xmm5, xmm1, 4)
AS2( movq xmm4, xmm1)
AS3( palignr xmm4, xmm0, 4)
ASL(9)
#endif
AS2( xor eax, 1)
AS2( movd AS_REG_1d, xmm0)
AS2( xor eax, AS_REG_1d)
AS2( movd AS_REG_1d, xmm3)
AS2( xor eax, AS_REG_1d)
AS2( pxor xmm3, xmm2)
AS2( pxor xmm2, xmm1)
AS2( pxor xmm1, xmm0)
AS2( pxor xmm0, xmm7)
AS2( pxor xmm3, xmm7)
AS2( pxor xmm2, xmm6)
AS2( pxor xmm1, xmm5)
AS2( pxor xmm0, xmm4)
// sigma
AS2( lea AS_REG_1, [AS_REG_6 + (32-4)*32])
AS2( and AS_REG_1, 31*32)
AS2( lea AS_REG_7, [AS_REG_6 + 16*32])
AS2( and AS_REG_7, 31*32)
AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*16])
AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*16])
AS2( movdqa xmm6, xmm4)
AS2( punpcklqdq xmm4, xmm5)
AS2( punpckhqdq xmm6, xmm5)
AS2( pxor xmm3, xmm4)
AS2( pxor xmm2, xmm6)
AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+1*16])
AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+1*16])
AS2( movdqa xmm6, xmm4)
AS2( punpcklqdq xmm4, xmm5)
AS2( punpckhqdq xmm6, xmm5)
AS2( pxor xmm1, xmm4)
AS2( pxor xmm0, xmm6)
// loop
AS2( add AS_REG_6, 32)
AS2( cmp AS_REG_6, REG_loopEnd)
ASJ( jne, 4, b)
// save state
AS2( mov [AS_REG_2+4*16], eax)
AS2( movdqa XMMWORD_PTR [AS_REG_2+3*16], xmm3)
AS2( movdqa XMMWORD_PTR [AS_REG_2+2*16], xmm2)
AS2( movdqa XMMWORD_PTR [AS_REG_2+1*16], xmm1)
AS2( movdqa XMMWORD_PTR [AS_REG_2+0*16], xmm0)
#if CRYPTOPP_BOOL_X86
AS2( add esp, 4)
AS1( pop ebp)
#endif
ASL(5)
#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
AS_POP_IF86( bx)
".att_syntax prefix;"
:
#if CRYPTOPP_BOOL_X64
: "D" (count), "S" (state), "d" (z), "c" (y)
: "%r8", "%r9", "r10", "%eax", "memory", "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7"
#else
: "c" (count), "d" (state), "S" (z), "D" (y)
: "%eax", "memory", "cc"
#endif
);
#endif
#ifdef CRYPTOPP_GENERATE_X64_MASM
movdqa xmm6, [rsp + 0h]
movdqa xmm7, [rsp + 10h]
add rsp, 2*16
pop rdi
ret
Panama_SSE2_Pull ENDP
#else
}
#endif
#endif // #ifdef CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#ifndef CRYPTOPP_GENERATE_X64_MASM
template <class B>
void Panama<B>::Iterate(size_t count, const word32 *p, word32 *z, const word32 *y)
{
word32 bstart = m_state[17];
word32 *const aPtr = m_state;
word32 cPtr[17];
#define bPtr ((byte *)(aPtr+20))
// reorder the state for SSE2
// a and c: 4 8 12 16 | 3 7 11 15 | 2 6 10 14 | 1 5 9 13 | 0
// xmm0 xmm1 xmm2 xmm3 eax
#define a(i) aPtr[((i)*13+16) % 17] // 13 is inverse of 4 mod 17
#define c(i) cPtr[((i)*13+16) % 17]
// b: 0 4 | 1 5 | 2 6 | 3 7
#define b(i, j) b##i[(j)*2%8 + (j)/4]
// output
#define OA(i) z[i] = ConditionalByteReverse(B::ToEnum(), a(i+9))
#define OX(i) z[i] = y[i] ^ ConditionalByteReverse(B::ToEnum(), a(i+9))
// buffer update
#define US(i) {word32 t=b(0,i); b(0,i)=ConditionalByteReverse(B::ToEnum(), p[i])^t; b(25,(i+6)%8)^=t;}
#define UL(i) {word32 t=b(0,i); b(0,i)=a(i+1)^t; b(25,(i+6)%8)^=t;}
// gamma and pi
#define GP(i) c(5*i%17) = rotlFixed(a(i) ^ (a((i+1)%17) | ~a((i+2)%17)), ((5*i%17)*((5*i%17)+1)/2)%32)
// theta and sigma
#define T(i,x) a(i) = c(i) ^ c((i+1)%17) ^ c((i+4)%17) ^ x
#define TS1S(i) T(i+1, ConditionalByteReverse(B::ToEnum(), p[i]))
#define TS1L(i) T(i+1, b(4,i))
#define TS2(i) T(i+9, b(16,i))
while (count--)
{
if (z)
{
if (y)
{
OX(0); OX(1); OX(2); OX(3); OX(4); OX(5); OX(6); OX(7);
y += 8;
}
else
{
OA(0); OA(1); OA(2); OA(3); OA(4); OA(5); OA(6); OA(7);
}
z += 8;
}
word32 *const b16 = (word32 *)(bPtr+((bstart+16*32) & 31*32));
word32 *const b4 = (word32 *)(bPtr+((bstart+(32-4)*32) & 31*32));
bstart += 32;
word32 *const b0 = (word32 *)(bPtr+((bstart) & 31*32));
word32 *const b25 = (word32 *)(bPtr+((bstart+(32-25)*32) & 31*32));
if (p)
{
US(0); US(1); US(2); US(3); US(4); US(5); US(6); US(7);
}
else
{
UL(0); UL(1); UL(2); UL(3); UL(4); UL(5); UL(6); UL(7);
}
GP(0);
GP(1);
GP(2);
GP(3);
GP(4);
GP(5);
GP(6);
GP(7);
GP(8);
GP(9);
GP(10);
GP(11);
GP(12);
GP(13);
GP(14);
GP(15);
GP(16);
T(0,1);
if (p)
{
TS1S(0); TS1S(1); TS1S(2); TS1S(3); TS1S(4); TS1S(5); TS1S(6); TS1S(7);
p += 8;
}
else
{
TS1L(0); TS1L(1); TS1L(2); TS1L(3); TS1L(4); TS1L(5); TS1L(6); TS1L(7);
}
TS2(0); TS2(1); TS2(2); TS2(3); TS2(4); TS2(5); TS2(6); TS2(7);
}
m_state[17] = bstart;
}
namespace Weak {
template <class B>
size_t PanamaHash<B>::HashMultipleBlocks(const word32 *input, size_t length)
{
this->Iterate(length / this->BLOCKSIZE, input);
return length % this->BLOCKSIZE;
}
template <class B>
void PanamaHash<B>::TruncatedFinal(byte *hash, size_t size)
{
this->ThrowIfInvalidTruncatedSize(size);
PadLastBlock(this->BLOCKSIZE, 0x01);
HashEndianCorrectedBlock(this->m_data);
this->Iterate(32); // pull
FixedSizeSecBlock<word32, 8> buf;
this->Iterate(1, NULL, buf, NULL);
memcpy(hash, buf, size);
this->Restart(); // reinit for next use
}
}
template <class B>
void PanamaCipherPolicy<B>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length)
{
assert(length==32);
memcpy(m_key, key, 32);
}
template <class B>
void PanamaCipherPolicy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length)
{
assert(length==32);
this->Reset();
this->Iterate(1, m_key);
if (iv && IsAligned<word32>(iv))
this->Iterate(1, (const word32 *)iv);
else
{
FixedSizeSecBlock<word32, 8> buf;
if (iv)
memcpy(buf, iv, 32);
else
memset(buf, 0, 32);
this->Iterate(1, buf);
}
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2() && !IsP4()) // SSE2 code is slower on P4 Prescott
Panama_SSE2_Pull(32, this->m_state, NULL, NULL);
else
#endif
this->Iterate(32);
}
#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64
template <class B>
unsigned int PanamaCipherPolicy<B>::GetAlignment() const
{
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2())
return 16;
else
#endif
return 1;
}
#endif
template <class B>
void PanamaCipherPolicy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
{
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2())
Panama_SSE2_Pull(iterationCount, this->m_state, (word32 *)output, (const word32 *)input);
else
#endif
this->Iterate(iterationCount, NULL, (word32 *)output, (const word32 *)input);
}
template class Panama<BigEndian>;
template class Panama<LittleEndian>;
template class Weak::PanamaHash<BigEndian>;
template class Weak::PanamaHash<LittleEndian>;
template class PanamaCipherPolicy<BigEndian>;
template class PanamaCipherPolicy<LittleEndian>;
NAMESPACE_END
#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
|