509 lines
12 KiB
C++
509 lines
12 KiB
C++
// panama.cpp - written and placed in the public domain by Wei Dai
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// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM panama.cpp" to generate MASM code
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#include "pch.h"
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#ifndef CRYPTOPP_GENERATE_X64_MASM
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#include "panama.h"
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#include "misc.h"
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#include "cpu.h"
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NAMESPACE_BEGIN(CryptoPP)
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template <class B>
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void Panama<B>::Reset()
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{
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memset(m_state, 0, m_state.SizeInBytes());
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#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
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m_state[17] = HasSSSE3();
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#endif
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}
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#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
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#ifdef CRYPTOPP_X64_MASM_AVAILABLE
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extern "C" {
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void Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y);
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}
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#elif CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
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#ifdef CRYPTOPP_GENERATE_X64_MASM
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Panama_SSE2_Pull PROC FRAME
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rex_push_reg rdi
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alloc_stack(2*16)
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save_xmm128 xmm6, 0h
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save_xmm128 xmm7, 10h
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.endprolog
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#else
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#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code
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void CRYPTOPP_NOINLINE Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y)
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{
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#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
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asm __volatile__
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(
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".intel_syntax noprefix;"
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AS_PUSH_IF86( bx)
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#else
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AS2( mov AS_REG_1, count)
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AS2( mov AS_REG_2, state)
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AS2( mov AS_REG_3, z)
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AS2( mov AS_REG_4, y)
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#endif
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#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM
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#if CRYPTOPP_BOOL_X86
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#define REG_loopEnd [esp]
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#elif defined(CRYPTOPP_GENERATE_X64_MASM)
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#define REG_loopEnd rdi
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#else
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#define REG_loopEnd r8
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#endif
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AS2( shl AS_REG_1, 5)
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ASJ( jz, 5, f)
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AS2( mov AS_REG_6d, [AS_REG_2+4*17])
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AS2( add AS_REG_1, AS_REG_6)
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#if CRYPTOPP_BOOL_X64
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AS2( mov REG_loopEnd, AS_REG_1)
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#else
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AS1( push ebp)
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AS1( push AS_REG_1)
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#endif
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AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
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AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
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AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
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AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
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AS2( mov eax, dword ptr [AS_REG_2+4*16])
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ASL(4)
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// gamma and pi
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#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
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AS2( test AS_REG_6, 1)
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ASJ( jnz, 6, f)
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#endif
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AS2( movdqa xmm6, xmm2)
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AS2( movss xmm6, xmm3)
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ASS( pshufd xmm5, xmm6, 0, 3, 2, 1)
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AS2( movd xmm6, eax)
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AS2( movdqa xmm7, xmm3)
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AS2( movss xmm7, xmm6)
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ASS( pshufd xmm6, xmm7, 0, 3, 2, 1)
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#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
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ASJ( jmp, 7, f)
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ASL(6)
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AS2( movdqa xmm5, xmm3)
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AS3( palignr xmm5, xmm2, 4)
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AS2( movd xmm6, eax)
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AS3( palignr xmm6, xmm3, 4)
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ASL(7)
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#endif
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AS2( movd AS_REG_1d, xmm2)
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AS1( not AS_REG_1d)
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AS2( movd AS_REG_7d, xmm3)
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AS2( or AS_REG_1d, AS_REG_7d)
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AS2( xor eax, AS_REG_1d)
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#define SSE2_Index(i) ASM_MOD(((i)*13+16), 17)
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#define pi(i) \
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AS2( movd AS_REG_1d, xmm7)\
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AS2( rol AS_REG_1d, ASM_MOD((ASM_MOD(5*i,17)*(ASM_MOD(5*i,17)+1)/2), 32))\
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AS2( mov [AS_REG_2+SSE2_Index(ASM_MOD(5*(i), 17))*4], AS_REG_1d)
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#define pi4(x, y, z, a, b, c, d) \
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AS2( pcmpeqb xmm7, xmm7)\
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AS2( pxor xmm7, x)\
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AS2( por xmm7, y)\
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AS2( pxor xmm7, z)\
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pi(a)\
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ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
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pi(b)\
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AS2( punpckhqdq xmm7, xmm7)\
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pi(c)\
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ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\
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pi(d)
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pi4(xmm1, xmm2, xmm3, 1, 5, 9, 13)
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pi4(xmm0, xmm1, xmm2, 2, 6, 10, 14)
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pi4(xmm6, xmm0, xmm1, 3, 7, 11, 15)
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pi4(xmm5, xmm6, xmm0, 4, 8, 12, 16)
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// output keystream and update buffer here to hide partial memory stalls between pi and theta
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AS2( movdqa xmm4, xmm3)
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AS2( punpcklqdq xmm3, xmm2) // 1 5 2 6
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AS2( punpckhdq xmm4, xmm2) // 9 10 13 14
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AS2( movdqa xmm2, xmm1)
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AS2( punpcklqdq xmm1, xmm0) // 3 7 4 8
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AS2( punpckhdq xmm2, xmm0) // 11 12 15 16
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// keystream
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AS2( test AS_REG_3, AS_REG_3)
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ASJ( jz, 0, f)
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AS2( movdqa xmm6, xmm4)
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AS2( punpcklqdq xmm4, xmm2)
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AS2( punpckhqdq xmm6, xmm2)
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AS2( test AS_REG_4, 15)
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ASJ( jnz, 2, f)
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AS2( test AS_REG_4, AS_REG_4)
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ASJ( jz, 1, f)
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AS2( pxor xmm4, [AS_REG_4])
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AS2( pxor xmm6, [AS_REG_4+16])
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AS2( add AS_REG_4, 32)
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ASJ( jmp, 1, f)
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ASL(2)
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AS2( movdqu xmm0, [AS_REG_4])
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AS2( movdqu xmm2, [AS_REG_4+16])
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AS2( pxor xmm4, xmm0)
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AS2( pxor xmm6, xmm2)
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AS2( add AS_REG_4, 32)
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ASL(1)
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AS2( test AS_REG_3, 15)
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ASJ( jnz, 3, f)
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AS2( movdqa XMMWORD_PTR [AS_REG_3], xmm4)
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AS2( movdqa XMMWORD_PTR [AS_REG_3+16], xmm6)
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AS2( add AS_REG_3, 32)
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ASJ( jmp, 0, f)
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ASL(3)
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AS2( movdqu XMMWORD_PTR [AS_REG_3], xmm4)
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AS2( movdqu XMMWORD_PTR [AS_REG_3+16], xmm6)
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AS2( add AS_REG_3, 32)
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ASL(0)
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// buffer update
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AS2( lea AS_REG_1, [AS_REG_6 + 32])
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AS2( and AS_REG_1, 31*32)
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AS2( lea AS_REG_7, [AS_REG_6 + (32-24)*32])
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AS2( and AS_REG_7, 31*32)
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AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8])
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AS2( pxor xmm3, xmm0)
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ASS( pshufd xmm0, xmm0, 2, 3, 0, 1)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8], xmm3)
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AS2( pxor xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8])
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AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8], xmm0)
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AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8])
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AS2( pxor xmm1, xmm4)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8], xmm1)
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AS2( pxor xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8])
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AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8], xmm4)
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// theta
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AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16])
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AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16])
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AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16])
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AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16])
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#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
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AS2( test AS_REG_6, 1)
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ASJ( jnz, 8, f)
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#endif
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AS2( movd xmm6, eax)
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AS2( movdqa xmm7, xmm3)
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AS2( movss xmm7, xmm6)
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AS2( movdqa xmm6, xmm2)
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AS2( movss xmm6, xmm3)
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AS2( movdqa xmm5, xmm1)
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AS2( movss xmm5, xmm2)
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AS2( movdqa xmm4, xmm0)
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AS2( movss xmm4, xmm1)
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ASS( pshufd xmm7, xmm7, 0, 3, 2, 1)
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ASS( pshufd xmm6, xmm6, 0, 3, 2, 1)
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ASS( pshufd xmm5, xmm5, 0, 3, 2, 1)
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ASS( pshufd xmm4, xmm4, 0, 3, 2, 1)
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#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE
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ASJ( jmp, 9, f)
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ASL(8)
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AS2( movd xmm7, eax)
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AS3( palignr xmm7, xmm3, 4)
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AS2( movq xmm6, xmm3)
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AS3( palignr xmm6, xmm2, 4)
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AS2( movq xmm5, xmm2)
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AS3( palignr xmm5, xmm1, 4)
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AS2( movq xmm4, xmm1)
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AS3( palignr xmm4, xmm0, 4)
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ASL(9)
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#endif
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AS2( xor eax, 1)
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AS2( movd AS_REG_1d, xmm0)
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AS2( xor eax, AS_REG_1d)
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AS2( movd AS_REG_1d, xmm3)
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AS2( xor eax, AS_REG_1d)
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AS2( pxor xmm3, xmm2)
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AS2( pxor xmm2, xmm1)
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AS2( pxor xmm1, xmm0)
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AS2( pxor xmm0, xmm7)
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AS2( pxor xmm3, xmm7)
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AS2( pxor xmm2, xmm6)
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AS2( pxor xmm1, xmm5)
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AS2( pxor xmm0, xmm4)
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// sigma
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AS2( lea AS_REG_1, [AS_REG_6 + (32-4)*32])
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AS2( and AS_REG_1, 31*32)
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AS2( lea AS_REG_7, [AS_REG_6 + 16*32])
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AS2( and AS_REG_7, 31*32)
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AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*16])
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AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*16])
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AS2( movdqa xmm6, xmm4)
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AS2( punpcklqdq xmm4, xmm5)
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AS2( punpckhqdq xmm6, xmm5)
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AS2( pxor xmm3, xmm4)
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AS2( pxor xmm2, xmm6)
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AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+1*16])
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AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+1*16])
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AS2( movdqa xmm6, xmm4)
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AS2( punpcklqdq xmm4, xmm5)
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AS2( punpckhqdq xmm6, xmm5)
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AS2( pxor xmm1, xmm4)
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AS2( pxor xmm0, xmm6)
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// loop
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AS2( add AS_REG_6, 32)
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AS2( cmp AS_REG_6, REG_loopEnd)
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ASJ( jne, 4, b)
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// save state
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AS2( mov [AS_REG_2+4*16], eax)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+3*16], xmm3)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+2*16], xmm2)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+1*16], xmm1)
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AS2( movdqa XMMWORD_PTR [AS_REG_2+0*16], xmm0)
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#if CRYPTOPP_BOOL_X86
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AS2( add esp, 4)
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AS1( pop ebp)
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#endif
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ASL(5)
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#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
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AS_POP_IF86( bx)
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".att_syntax prefix;"
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:
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#if CRYPTOPP_BOOL_X64
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: "D" (count), "S" (state), "d" (z), "c" (y)
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: "%r8", "%r9", "r10", "%eax", "memory", "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7"
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#else
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: "c" (count), "d" (state), "S" (z), "D" (y)
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: "%eax", "memory", "cc"
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#endif
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);
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#endif
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#ifdef CRYPTOPP_GENERATE_X64_MASM
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movdqa xmm6, [rsp + 0h]
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movdqa xmm7, [rsp + 10h]
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add rsp, 2*16
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pop rdi
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ret
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Panama_SSE2_Pull ENDP
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#else
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}
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#endif
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#endif // #ifdef CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
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#ifndef CRYPTOPP_GENERATE_X64_MASM
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template <class B>
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void Panama<B>::Iterate(size_t count, const word32 *p, word32 *z, const word32 *y)
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{
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word32 bstart = m_state[17];
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word32 *const aPtr = m_state;
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word32 cPtr[17];
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#define bPtr ((byte *)(aPtr+20))
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// reorder the state for SSE2
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// a and c: 4 8 12 16 | 3 7 11 15 | 2 6 10 14 | 1 5 9 13 | 0
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// xmm0 xmm1 xmm2 xmm3 eax
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#define a(i) aPtr[((i)*13+16) % 17] // 13 is inverse of 4 mod 17
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#define c(i) cPtr[((i)*13+16) % 17]
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// b: 0 4 | 1 5 | 2 6 | 3 7
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#define b(i, j) b##i[(j)*2%8 + (j)/4]
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// output
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#define OA(i) z[i] = ConditionalByteReverse(B::ToEnum(), a(i+9))
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#define OX(i) z[i] = y[i] ^ ConditionalByteReverse(B::ToEnum(), a(i+9))
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// buffer update
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#define US(i) {word32 t=b(0,i); b(0,i)=ConditionalByteReverse(B::ToEnum(), p[i])^t; b(25,(i+6)%8)^=t;}
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#define UL(i) {word32 t=b(0,i); b(0,i)=a(i+1)^t; b(25,(i+6)%8)^=t;}
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// gamma and pi
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#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)
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// theta and sigma
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#define T(i,x) a(i) = c(i) ^ c((i+1)%17) ^ c((i+4)%17) ^ x
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#define TS1S(i) T(i+1, ConditionalByteReverse(B::ToEnum(), p[i]))
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#define TS1L(i) T(i+1, b(4,i))
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#define TS2(i) T(i+9, b(16,i))
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while (count--)
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{
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if (z)
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{
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if (y)
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{
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OX(0); OX(1); OX(2); OX(3); OX(4); OX(5); OX(6); OX(7);
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y += 8;
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}
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else
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{
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OA(0); OA(1); OA(2); OA(3); OA(4); OA(5); OA(6); OA(7);
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}
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z += 8;
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}
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word32 *const b16 = (word32 *)(bPtr+((bstart+16*32) & 31*32));
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word32 *const b4 = (word32 *)(bPtr+((bstart+(32-4)*32) & 31*32));
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bstart += 32;
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word32 *const b0 = (word32 *)(bPtr+((bstart) & 31*32));
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word32 *const b25 = (word32 *)(bPtr+((bstart+(32-25)*32) & 31*32));
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if (p)
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{
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US(0); US(1); US(2); US(3); US(4); US(5); US(6); US(7);
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}
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else
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{
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UL(0); UL(1); UL(2); UL(3); UL(4); UL(5); UL(6); UL(7);
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}
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GP(0);
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GP(1);
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GP(2);
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GP(3);
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GP(4);
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GP(5);
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GP(6);
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GP(7);
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GP(8);
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GP(9);
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GP(10);
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GP(11);
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GP(12);
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GP(13);
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GP(14);
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GP(15);
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GP(16);
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T(0,1);
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if (p)
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{
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TS1S(0); TS1S(1); TS1S(2); TS1S(3); TS1S(4); TS1S(5); TS1S(6); TS1S(7);
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p += 8;
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}
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else
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{
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TS1L(0); TS1L(1); TS1L(2); TS1L(3); TS1L(4); TS1L(5); TS1L(6); TS1L(7);
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}
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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);
|
|
|
|
this->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
|