Security Scol plugin
panama.cpp
1// panama.cpp - originally written and placed in the public domain by Wei Dai
2
3// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM panama.cpp" to generate MASM code
4
5#include "pch.h"
6
7#ifndef CRYPTOPP_GENERATE_X64_MASM
8
9#include "panama.h"
10#include "secblock.h"
11#include "misc.h"
12#include "cpu.h"
13
14NAMESPACE_BEGIN(CryptoPP)
15
16#if CRYPTOPP_MSC_VERSION
17# pragma warning(disable: 4731)
18#endif
19
20template <class B>
21std::string Panama<B>::AlgorithmProvider() const
22{
23#ifndef CRYPTOPP_DISABLE_PANAMA_ASM
24# if CRYPTOPP_SSSE3_ASM_AVAILABLE
25 if(HasSSSE3())
26 return "SSSE3";
27# elif CRYPTOPP_SSE2_ASM_AVAILABLE
28 if(HasSSE2())
29 return "SSE2";
30# endif
31#endif
32 return "C++";
33}
34
35template <class B>
36void Panama<B>::Reset()
37{
38 memset(m_state, 0, m_state.SizeInBytes());
39#if CRYPTOPP_SSSE3_ASM_AVAILABLE && !defined(CRYPTOPP_DISABLE_PANAMA_ASM)
40 m_state[17] = HasSSSE3();
41#endif
42}
43
44#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
45
46#ifdef CRYPTOPP_X64_MASM_AVAILABLE
47extern "C" {
48void Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y);
49}
50#elif CRYPTOPP_SSE2_ASM_AVAILABLE && !defined(CRYPTOPP_DISABLE_PANAMA_ASM)
51
52#ifdef CRYPTOPP_GENERATE_X64_MASM
53 Panama_SSE2_Pull PROC FRAME
54 rex_push_reg rdi
55 alloc_stack(2*16)
56 save_xmm128 xmm6, 0h
57 save_xmm128 xmm7, 10h
58 .endprolog
59#else
60void CRYPTOPP_NOINLINE Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y)
61{
62#if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
63 asm __volatile__
64 (
65 INTEL_NOPREFIX
66 AS_PUSH_IF86( bx)
67#else
68 AS2( mov AS_REG_1, count)
69 AS2( mov AS_REG_2, state)
70 AS2( mov AS_REG_3, z)
71 AS2( mov AS_REG_4, y)
72#endif
73#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM
74
75#if CRYPTOPP_BOOL_X86
76 #define REG_loopEnd [esp]
77#elif defined(CRYPTOPP_GENERATE_X64_MASM)
78 #define REG_loopEnd rdi
79#else
80 #define REG_loopEnd r8
81#endif
82
83 AS2( shl AS_REG_1, 5)
84 ASJ( jz, 5, f)
85 AS2( mov AS_REG_6d, [AS_REG_2+4*17])
86 AS2( add AS_REG_1, AS_REG_6)
87
88 #if CRYPTOPP_BOOL_X64
89 AS2( mov REG_loopEnd, AS_REG_1)
90 #else
91 AS_PUSH_IF86( bp)
92 AS1( push AS_REG_1)
93 #endif
94
95 AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
96 AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
97 AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
98 AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
99 AS2( mov eax, dword ptr [AS_REG_2+4*16])
100
101 ASL(4)
102 // gamma and pi
103#if CRYPTOPP_SSSE3_ASM_AVAILABLE
104 AS2( test AS_REG_6, 1)
105 ASJ( jnz, 6, f)
106#endif
107 AS2( movdqa xmm6, xmm2)
108 AS2( movss xmm6, xmm3)
109 ASS( pshufd xmm5, xmm6, 0, 3, 2, 1)
110 AS2( movd xmm6, eax)
111 AS2( movdqa xmm7, xmm3)
112 AS2( movss xmm7, xmm6)
113 ASS( pshufd xmm6, xmm7, 0, 3, 2, 1)
114#if CRYPTOPP_SSSE3_ASM_AVAILABLE
115 ASJ( jmp, 7, f)
116 ASL(6)
117 AS2( movdqa xmm5, xmm3)
118 AS3( palignr xmm5, xmm2, 4)
119 AS2( movd xmm6, eax)
120 AS3( palignr xmm6, xmm3, 4)
121 ASL(7)
122#endif
123
124 AS2( movd AS_REG_1d, xmm2)
125 AS1( not AS_REG_1d)
126 AS2( movd AS_REG_7d, xmm3)
127 AS2( or AS_REG_1d, AS_REG_7d)
128 AS2( xor eax, AS_REG_1d)
129
130#define SSE2_Index(i) ASM_MOD(((i)*13+16), 17)
131
132#define pi(i) \
133 AS2( movd AS_REG_1d, xmm7)\
134 AS2( rol AS_REG_1d, ASM_MOD((ASM_MOD(5*i,17)*(ASM_MOD(5*i,17)+1)/2), 32))\
135 AS2( mov [AS_REG_2+SSE2_Index(ASM_MOD(5*(i), 17))*4], AS_REG_1d)
136
137#define pi4(x, y, z, a, b, c, d) \
138 AS2( pcmpeqb xmm7, xmm7)\
139 AS2( pxor xmm7, x)\
140 AS2( por xmm7, y)\
141 AS2( pxor xmm7, z)\
142 pi(a)\
143 ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
144 pi(b)\
145 AS2( punpckhqdq xmm7, xmm7)\
146 pi(c)\
147 ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
148 pi(d)
149
150 pi4(xmm1, xmm2, xmm3, 1, 5, 9, 13)
151 pi4(xmm0, xmm1, xmm2, 2, 6, 10, 14)
152 pi4(xmm6, xmm0, xmm1, 3, 7, 11, 15)
153 pi4(xmm5, xmm6, xmm0, 4, 8, 12, 16)
154
155 // output keystream and update buffer here to hide partial memory stalls between pi and theta
156 AS2( movdqa xmm4, xmm3)
157 AS2( punpcklqdq xmm3, xmm2) // 1 5 2 6
158 AS2( punpckhdq xmm4, xmm2) // 9 10 13 14
159 AS2( movdqa xmm2, xmm1)
160 AS2( punpcklqdq xmm1, xmm0) // 3 7 4 8
161 AS2( punpckhdq xmm2, xmm0) // 11 12 15 16
162
163 // keystream
164 AS2( test AS_REG_3, AS_REG_3)
165 ASJ( jz, 0, f)
166 AS2( movdqa xmm6, xmm4)
167 AS2( punpcklqdq xmm4, xmm2)
168 AS2( punpckhqdq xmm6, xmm2)
169 AS2( test AS_REG_4, 15)
170 ASJ( jnz, 2, f)
171 AS2( test AS_REG_4, AS_REG_4)
172 ASJ( jz, 1, f)
173 AS2( pxor xmm4, [AS_REG_4])
174 AS2( pxor xmm6, [AS_REG_4+16])
175 AS2( add AS_REG_4, 32)
176 ASJ( jmp, 1, f)
177 ASL(2)
178 AS2( movdqu xmm0, [AS_REG_4])
179 AS2( movdqu xmm2, [AS_REG_4+16])
180 AS2( pxor xmm4, xmm0)
181 AS2( pxor xmm6, xmm2)
182 AS2( add AS_REG_4, 32)
183 ASL(1)
184 AS2( test AS_REG_3, 15)
185 ASJ( jnz, 3, f)
186 AS2( movdqa XMMWORD_PTR [AS_REG_3], xmm4)
187 AS2( movdqa XMMWORD_PTR [AS_REG_3+16], xmm6)
188 AS2( add AS_REG_3, 32)
189 ASJ( jmp, 0, f)
190 ASL(3)
191 AS2( movdqu XMMWORD_PTR [AS_REG_3], xmm4)
192 AS2( movdqu XMMWORD_PTR [AS_REG_3+16], xmm6)
193 AS2( add AS_REG_3, 32)
194 ASL(0)
195
196 // buffer update
197 AS2( lea AS_REG_1, [AS_REG_6 + 32])
198 AS2( and AS_REG_1, 31*32)
199 AS2( lea AS_REG_7, [AS_REG_6 + (32-24)*32])
200 AS2( and AS_REG_7, 31*32)
201
202 AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8])
203 AS2( pxor xmm3, xmm0)
204 ASS( pshufd xmm0, xmm0, 2, 3, 0, 1)
205 AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8], xmm3)
206 AS2( pxor xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8])
207 AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8], xmm0)
208
209 AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8])
210 AS2( pxor xmm1, xmm4)
211 AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8], xmm1)
212 AS2( pxor xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8])
213 AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8], xmm4)
214
215 // theta
216 AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
217 AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
218 AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
219 AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
220
221#if CRYPTOPP_SSSE3_ASM_AVAILABLE
222 AS2( test AS_REG_6, 1)
223 ASJ( jnz, 8, f)
224#endif
225 AS2( movd xmm6, eax)
226 AS2( movdqa xmm7, xmm3)
227 AS2( movss xmm7, xmm6)
228 AS2( movdqa xmm6, xmm2)
229 AS2( movss xmm6, xmm3)
230 AS2( movdqa xmm5, xmm1)
231 AS2( movss xmm5, xmm2)
232 AS2( movdqa xmm4, xmm0)
233 AS2( movss xmm4, xmm1)
234 ASS( pshufd xmm7, xmm7, 0, 3, 2, 1)
235 ASS( pshufd xmm6, xmm6, 0, 3, 2, 1)
236 ASS( pshufd xmm5, xmm5, 0, 3, 2, 1)
237 ASS( pshufd xmm4, xmm4, 0, 3, 2, 1)
238#if CRYPTOPP_SSSE3_ASM_AVAILABLE
239 ASJ( jmp, 9, f)
240 ASL(8)
241 AS2( movd xmm7, eax)
242 AS3( palignr xmm7, xmm3, 4)
243 AS2( movq xmm6, xmm3)
244 AS3( palignr xmm6, xmm2, 4)
245 AS2( movq xmm5, xmm2)
246 AS3( palignr xmm5, xmm1, 4)
247 AS2( movq xmm4, xmm1)
248 AS3( palignr xmm4, xmm0, 4)
249 ASL(9)
250#endif
251
252 AS2( xor eax, 1)
253 AS2( movd AS_REG_1d, xmm0)
254 AS2( xor eax, AS_REG_1d)
255 AS2( movd AS_REG_1d, xmm3)
256 AS2( xor eax, AS_REG_1d)
257
258 AS2( pxor xmm3, xmm2)
259 AS2( pxor xmm2, xmm1)
260 AS2( pxor xmm1, xmm0)
261 AS2( pxor xmm0, xmm7)
262 AS2( pxor xmm3, xmm7)
263 AS2( pxor xmm2, xmm6)
264 AS2( pxor xmm1, xmm5)
265 AS2( pxor xmm0, xmm4)
266
267 // sigma
268 AS2( lea AS_REG_1, [AS_REG_6 + (32-4)*32])
269 AS2( and AS_REG_1, 31*32)
270 AS2( lea AS_REG_7, [AS_REG_6 + 16*32])
271 AS2( and AS_REG_7, 31*32)
272
273 AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*16])
274 AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*16])
275 AS2( movdqa xmm6, xmm4)
276 AS2( punpcklqdq xmm4, xmm5)
277 AS2( punpckhqdq xmm6, xmm5)
278 AS2( pxor xmm3, xmm4)
279 AS2( pxor xmm2, xmm6)
280
281 AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+1*16])
282 AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+1*16])
283 AS2( movdqa xmm6, xmm4)
284 AS2( punpcklqdq xmm4, xmm5)
285 AS2( punpckhqdq xmm6, xmm5)
286 AS2( pxor xmm1, xmm4)
287 AS2( pxor xmm0, xmm6)
288
289 // loop
290 AS2( add AS_REG_6, 32)
291 AS2( cmp AS_REG_6, REG_loopEnd)
292 ASJ( jne, 4, b)
293
294 // save state
295 AS2( mov [AS_REG_2+4*16], eax)
296 AS2( movdqa XMMWORD_PTR [AS_REG_2+3*16], xmm3)
297 AS2( movdqa XMMWORD_PTR [AS_REG_2+2*16], xmm2)
298 AS2( movdqa XMMWORD_PTR [AS_REG_2+1*16], xmm1)
299 AS2( movdqa XMMWORD_PTR [AS_REG_2+0*16], xmm0)
300
301 #if CRYPTOPP_BOOL_X86
302 AS2( add esp, 4)
303 AS_POP_IF86( bp)
304 #endif
305 ASL(5)
306
307#if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
308 AS_POP_IF86( bx)
309 ATT_PREFIX
310 :
311 #if CRYPTOPP_BOOL_X64
312 : "D" (count), "S" (state), "d" (z), "c" (y)
313 : "%r8", "%r9", "r10", "%eax", "memory", "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7"
314 #else
315 : "c" (count), "d" (state), "S" (z), "D" (y)
316 : "%eax", "memory", "cc"
317 #endif
318 );
319#endif
320
321#ifdef CRYPTOPP_GENERATE_X64_MASM
322 movdqa xmm6, [rsp + 0h]
323 movdqa xmm7, [rsp + 10h]
324 add rsp, 2*16
325 pop rdi
326 ret
327 Panama_SSE2_Pull ENDP
328#else
329}
330#endif
331#endif // CRYPTOPP_SSE2_ASM_AVAILABLE
332
333#ifndef CRYPTOPP_GENERATE_X64_MASM
334
335template <class B>
336void Panama<B>::Iterate(size_t count, const word32 *p, byte *output, const byte *input, KeystreamOperation operation)
337{
338 word32 bstart = m_state[17];
339 word32 *const aPtr = m_state;
340 word32 cPtr[17];
341
342#define bPtr ((byte *)(aPtr+20))
343
344// reorder the state for SSE2
345// a and c: 4 8 12 16 | 3 7 11 15 | 2 6 10 14 | 1 5 9 13 | 0 |
346// xmm0 xmm1 xmm2 xmm3 eax
347#define a(i) aPtr[((i)*13+16) % 17] // 13 is inverse of 4 mod 17
348#define c(i) cPtr[((i)*13+16) % 17]
349// b: 0 4 | 1 5 | 2 6 | 3 7
350#define b(i, j) b##i[(j)*2%8 + (j)/4]
351
352// buffer update
353#define US(i) {word32 t=b(0,i); b(0,i)=ConditionalByteReverse(B::ToEnum(), p[i])^t; b(25,(i+6)%8)^=t;}
354#define UL(i) {word32 t=b(0,i); b(0,i)=a(i+1)^t; b(25,(i+6)%8)^=t;}
355// gamma and pi
356#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)
357// theta and sigma
358#define T(i,x) a(i) = c(i) ^ c((i+1)%17) ^ c((i+4)%17) ^ x
359#define TS1S(i) T(i+1, ConditionalByteReverse(B::ToEnum(), p[i]))
360#define TS1L(i) T(i+1, b(4,i))
361#define TS2(i) T(i+9, b(16,i))
362
363 while (count--)
364 {
365 if (output)
366 {
367#define PANAMA_OUTPUT(x) \
368 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, a(0+9));\
369 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 1, a(1+9));\
370 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 2, a(2+9));\
371 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 3, a(3+9));\
372 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 4, a(4+9));\
373 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 5, a(5+9));\
374 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 6, a(6+9));\
375 CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 7, a(7+9));
376
377 typedef word32 WordType;
378 CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(PANAMA_OUTPUT, 4*8);
379 }
380
381 word32 *const b16 = (word32 *)(void *)(bPtr+((bstart+16*32) & 31*32));
382 word32 *const b4 = (word32 *)(void *)(bPtr+((bstart+(32-4)*32) & 31*32));
383 bstart += 32;
384 word32 *const b0 = (word32 *)(void *)(bPtr+((bstart) & 31*32));
385 word32 *const b25 = (word32 *)(void *)(bPtr+((bstart+(32-25)*32) & 31*32));
386
387 if (p)
388 {
389 US(0); US(1); US(2); US(3); US(4); US(5); US(6); US(7);
390 }
391 else
392 {
393 UL(0); UL(1); UL(2); UL(3); UL(4); UL(5); UL(6); UL(7);
394 }
395
396 GP(0);
397 GP(1);
398 GP(2);
399 GP(3);
400 GP(4);
401 GP(5);
402 GP(6);
403 GP(7);
404 GP(8);
405 GP(9);
406 GP(10);
407 GP(11);
408 GP(12);
409 GP(13);
410 GP(14);
411 GP(15);
412 GP(16);
413
414 T(0,1);
415
416 if (p)
417 {
418 TS1S(0); TS1S(1); TS1S(2); TS1S(3); TS1S(4); TS1S(5); TS1S(6); TS1S(7);
419 p += 8;
420 }
421 else
422 {
423 TS1L(0); TS1L(1); TS1L(2); TS1L(3); TS1L(4); TS1L(5); TS1L(6); TS1L(7);
424 }
425
426 TS2(0); TS2(1); TS2(2); TS2(3); TS2(4); TS2(5); TS2(6); TS2(7);
427 }
428 m_state[17] = bstart;
429}
430
431NAMESPACE_BEGIN(Weak)
432template <class B>
433size_t PanamaHash<B>::HashMultipleBlocks(const word32 *input, size_t length)
434{
435 this->Iterate(length / this->BLOCKSIZE, input);
436 return length % this->BLOCKSIZE;
437}
438
439template <class B>
440void PanamaHash<B>::TruncatedFinal(byte *hash, size_t size)
441{
442 this->ThrowIfInvalidTruncatedSize(size);
443
444 this->PadLastBlock(this->BLOCKSIZE, 0x01);
445
446 this->HashEndianCorrectedBlock(this->m_data);
447
448 this->Iterate(32); // pull
449
450 this->Iterate(1, NULLPTR, m_buf.BytePtr(), NULLPTR);
451
452 memcpy(hash, m_buf, size);
453
454 this->Restart(); // reinit for next use
455}
456NAMESPACE_END
457
458template <class B>
459void PanamaCipherPolicy<B>::CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)
460{
461 CRYPTOPP_UNUSED(params); CRYPTOPP_UNUSED(length);
462 CRYPTOPP_ASSERT(length==32);
463 memcpy(m_key, key, 32);
464}
465
466template <class B>
467void PanamaCipherPolicy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length)
468{
469 CRYPTOPP_UNUSED(keystreamBuffer); CRYPTOPP_UNUSED(iv);
470 CRYPTOPP_UNUSED(length); CRYPTOPP_ASSERT(length==32);
471
472 this->Reset();
473 this->Iterate(1, m_key);
474 if (iv && IsAligned<word32>(iv))
475 this->Iterate(1, reinterpret_cast<const word32*>(iv));
476 else
477 {
478 if (iv)
479 memcpy(m_buf, iv, 32);
480 else
481 memset(m_buf, 0, 32);
482 this->Iterate(1, m_buf);
483 }
484
485#if (CRYPTOPP_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)) && !defined(CRYPTOPP_DISABLE_PANAMA_ASM)
486 if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2() && !IsP4()) // SSE2 code is slower on P4 Prescott
487 Panama_SSE2_Pull(32, this->m_state, NULLPTR, NULLPTR);
488 else
489#endif
490 this->Iterate(32);
491}
492
493template <class B>
498
499template <class B>
500unsigned int PanamaCipherPolicy<B>::GetAlignment() const
501{
502#if (CRYPTOPP_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)) && !defined(CRYPTOPP_DISABLE_PANAMA_ASM)
503 if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2())
504 return 16;
505 else
506#endif
507 return 1;
508}
509
510template <class B>
511void PanamaCipherPolicy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
512{
513#if (CRYPTOPP_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)) && !defined(CRYPTOPP_DISABLE_PANAMA_ASM)
514 if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2())
515 Panama_SSE2_Pull(iterationCount, this->m_state,
516 reinterpret_cast<word32*>(output), reinterpret_cast<const word32*>(input));
517 else
518#endif
519 this->Iterate(iterationCount, NULLPTR, output, input, operation);
520}
521
522template class Panama<BigEndian>;
523template class Panama<LittleEndian>;
524
525template class Weak::PanamaHash<BigEndian>;
526template class Weak::PanamaHash<LittleEndian>;
527
528template class PanamaCipherPolicy<BigEndian>;
529template class PanamaCipherPolicy<LittleEndian>;
530
531NAMESPACE_END
532
533#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
NameValuePairs
Interface for retrieving values given their names.
Definition cryptlib.h:322
PanamaCipherPolicy
Panama stream cipher operation.
Definition panama.h:144
PanamaCipherPolicy::CipherResynchronize
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length)
Resynchronize the cipher.
Definition panama.cpp:467
PanamaCipherPolicy::AlgorithmProvider
std::string AlgorithmProvider() const
Retrieve the provider of this algorithm.
Definition panama.cpp:494
PanamaCipherPolicy::CipherSetKey
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)
Key the cipher.
Definition panama.cpp:459
PanamaCipherPolicy::OperateKeystream
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
Operates the keystream.
Definition panama.cpp:511
PanamaCipherPolicy::GetAlignment
unsigned int GetAlignment() const
Provides data alignment requirements.
Definition panama.cpp:500
Weak::PanamaHash
Panama hash.
Definition panama.h:45
word32
unsigned int word32
32-bit unsigned datatype
Definition config_int.h:62
cpu.h
Functions for CPU features and intrinsics.
LITTLE_ENDIAN_ORDER
@ LITTLE_ENDIAN_ORDER
byte order is little-endian
Definition cryptlib.h:145
misc.h
Utility functions for the Crypto++ library.
panama.h
Classes for Panama hash and stream cipher.
pch.h
Precompiled header file.
secblock.h
Classes and functions for secure memory allocations.
CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH
#define CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(x, y)
Helper macro to implement OperateKeystream.
Definition strciphr.h:266
KeystreamOperation
KeystreamOperation
Keystream operation flags.
Definition strciphr.h:88
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