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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/thirdparty/cryptopp/threefish.cpp

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// threefish.cpp - written and placed in the public domain by Jeffrey Walton
// Based on public domain code by Keru Kuro. Kuro's code is
// available at http://cppcrypto.sourceforge.net/.
#include "pch.h"
#include "config.h"
#include "threefish.h"
#include "misc.h"
#include "algparam.h"
#include "argnames.h"
ANONYMOUS_NAMESPACE_BEGIN
using CryptoPP::word32;
using CryptoPP::word64;
using CryptoPP::rotlConstant;
using CryptoPP::rotrConstant;
using CryptoPP::rotlVariable;
using CryptoPP::rotrVariable;
template <unsigned int C0, unsigned int C1>
inline void G256(word64& G0, word64& G1, word64& G2, word64& G3)
{
G0 += G1;
G1 = rotlConstant<C0>(G1) ^ G0;
G2 += G3;
G3 = rotlConstant<C1>(G3) ^ G2;
}
template <unsigned int C0, unsigned int C1>
inline void IG256(word64& G0, word64& G1, word64& G2, word64& G3)
{
G3 = rotrConstant<C1>(G3 ^ G2);
G2 -= G3;
G1 = rotrConstant<C0>(G1 ^ G0);
G0 -= G1;
}
#define KS256(r) \
G0 += m_rkey[(r + 1) % 5]; \
G1 += m_rkey[(r + 2) % 5] + m_tweak[(r + 1) % 3]; \
G2 += m_rkey[(r + 3) % 5] + m_tweak[(r + 2) % 3]; \
G3 += m_rkey[(r + 4) % 5] + r + 1;
#define IKS256(r) \
G0 -= m_rkey[(r + 1) % 5]; \
G1 -= (m_rkey[(r + 2) % 5] + m_tweak[(r + 1) % 3]); \
G2 -= (m_rkey[(r + 3) % 5] + m_tweak[(r + 2) % 3]); \
G3 -= (m_rkey[(r + 4) % 5] + r + 1);
#define G256x8(r) \
G256<14, 16>(G0, G1, G2, G3); \
G256<52, 57>(G0, G3, G2, G1); \
G256<23, 40>(G0, G1, G2, G3); \
G256< 5, 37>(G0, G3, G2, G1); \
KS256(r); \
G256<25, 33>(G0, G1, G2, G3); \
G256<46, 12>(G0, G3, G2, G1); \
G256<58, 22>(G0, G1, G2, G3); \
G256<32, 32>(G0, G3, G2, G1); \
KS256(r + 1);
#define IG256x8(r) \
IG256<32, 32>(G0, G3, G2, G1); \
IG256<58, 22>(G0, G1, G2, G3); \
IG256<46, 12>(G0, G3, G2, G1); \
IG256<25, 33>(G0, G1, G2, G3); \
IKS256(r); \
IG256< 5, 37>(G0, G3, G2, G1); \
IG256<23, 40>(G0, G1, G2, G3); \
IG256<52, 57>(G0, G3, G2, G1); \
IG256<14, 16>(G0, G1, G2, G3); \
IKS256(r - 1);
///////////////////
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3>
inline void G512(word64& G0, word64& G1, word64& G2, word64& G3, word64& G4, word64& G5, word64& G6, word64& G7)
{
G0 += G1;
G1 = rotlConstant<C0>(G1) ^ G0;
G2 += G3;
G3 = rotlConstant<C1>(G3) ^ G2;
G4 += G5;
G5 = rotlConstant<C2>(G5) ^ G4;
G6 += G7;
G7 = rotlConstant<C3>(G7) ^ G6;
}
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3>
inline void IG512(word64& G0, word64& G1, word64& G2, word64& G3, word64& G4, word64& G5, word64& G6, word64& G7)
{
G7 = rotrConstant<C3>(G7 ^ G6);
G6 -= G7;
G5 = rotrConstant<C2>(G5 ^ G4);
G4 -= G5;
G3 = rotrConstant<C1>(G3 ^ G2);
G2 -= G3;
G1 = rotrConstant<C0>(G1 ^ G0);
G0 -= G1;
}
#define KS512(r) \
G0 += m_rkey[(r + 1) % 9]; \
G1 += m_rkey[(r + 2) % 9]; \
G2 += m_rkey[(r + 3) % 9]; \
G3 += m_rkey[(r + 4) % 9]; \
G4 += m_rkey[(r + 5) % 9]; \
G5 += m_rkey[(r + 6) % 9] + m_tweak[(r + 1) % 3]; \
G6 += m_rkey[(r + 7) % 9] + m_tweak[(r + 2) % 3]; \
G7 += m_rkey[(r + 8) % 9] + r + 1;
#define IKS512(r) \
G0 -= m_rkey[(r + 1) % 9]; \
G1 -= m_rkey[(r + 2) % 9]; \
G2 -= m_rkey[(r + 3) % 9]; \
G3 -= m_rkey[(r + 4) % 9]; \
G4 -= m_rkey[(r + 5) % 9]; \
G5 -= (m_rkey[(r + 6) % 9] + m_tweak[(r + 1) % 3]); \
G6 -= (m_rkey[(r + 7) % 9] + m_tweak[(r + 2) % 3]); \
G7 -= (m_rkey[(r + 8) % 9] + r + 1);
#define IG512x8(r) \
IG512< 8, 35, 56, 22>(G6, G1, G0, G7, G2, G5, G4, G3); \
IG512<25, 29, 39, 43>(G4, G1, G6, G3, G0, G5, G2, G7); \
IG512<13, 50, 10, 17>(G2, G1, G4, G7, G6, G5, G0, G3); \
IG512<39, 30, 34, 24>(G0, G1, G2, G3, G4, G5, G6, G7); \
IKS512(r) \
IG512<44, 9, 54, 56>(G6, G1, G0, G7, G2, G5, G4, G3); \
IG512<17, 49, 36, 39>(G4, G1, G6, G3, G0, G5, G2, G7); \
IG512<33, 27, 14, 42>(G2, G1, G4, G7, G6, G5, G0, G3); \
IG512<46, 36, 19, 37>(G0, G1, G2, G3, G4, G5, G6, G7); \
IKS512(r - 1)
#define G512x8(r) \
G512<46, 36, 19, 37>(G0, G1, G2, G3, G4, G5, G6, G7); \
G512<33, 27, 14, 42>(G2, G1, G4, G7, G6, G5, G0, G3); \
G512<17, 49, 36, 39>(G4, G1, G6, G3, G0, G5, G2, G7); \
G512<44, 9, 54, 56>(G6, G1, G0, G7, G2, G5, G4, G3); \
KS512(r) \
G512<39, 30, 34, 24>(G0, G1, G2, G3, G4, G5, G6, G7); \
G512<13, 50, 10, 17>(G2, G1, G4, G7, G6, G5, G0, G3); \
G512<25, 29, 39, 43>(G4, G1, G6, G3, G0, G5, G2, G7); \
G512< 8, 35, 56, 22>(G6, G1, G0, G7, G2, G5, G4, G3); \
KS512(r + 1)
///////////////////
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3>
inline void G1024A(word64& G0, word64& G1, word64& G2, word64& G3,
word64& G4, word64& G5, word64& G6, word64& G7)
{
G0 += G1;
G1 = rotlConstant<C0>(G1) ^ G0;
G2 += G3;
G3 = rotlConstant<C1>(G3) ^ G2;
G4 += G5;
G5 = rotlConstant<C2>(G5) ^ G4;
G6 += G7;
G7 = rotlConstant<C3>(G7) ^ G6;
}
template <unsigned int C4, unsigned int C5, unsigned int C6, unsigned int C7>
inline void G1024B(word64& G8, word64& G9, word64& G10, word64& G11,
word64& G12, word64& G13, word64& G14, word64& G15)
{
G8 += G9;
G9 = rotlConstant<C4>(G9) ^ G8;
G10 += G11;
G11 = rotlConstant<C5>(G11) ^ G10;
G12 += G13;
G13 = rotlConstant<C6>(G13) ^ G12;
G14 += G15;
G15 = rotlConstant<C7>(G15) ^ G14;
}
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3,
unsigned int C4, unsigned int C5, unsigned int C6, unsigned int C7>
inline void G1024(word64& G0, word64& G1, word64& G2, word64& G3, word64& G4, word64& G5,
word64& G6, word64& G7, word64& G8, word64& G9, word64& G10, word64& G11, word64& G12,
word64& G13, word64& G14, word64& G15)
{
// The extra gyrations promote inlining. Without it Threefish1024 looses 10 cpb.
G1024A<C0, C1, C2, C3>(G0, G1, G2, G3, G4, G5, G6, G7);
G1024B<C4, C5, C6, C7>(G8, G9, G10, G11, G12, G13, G14, G15);
}
template <unsigned int C4, unsigned int C5, unsigned int C6, unsigned int C7>
inline void IG1024A(word64& G8, word64& G9, word64& G10, word64& G11,
word64& G12, word64& G13, word64& G14, word64& G15)
{
G15 = rotrConstant<C7>(G15 ^ G14);
G14 -= G15;
G13 = rotrConstant<C6>(G13 ^ G12);
G12 -= G13;
G11 = rotrConstant<C5>(G11 ^ G10);
G10 -= G11;
G9 = rotrConstant<C4>(G9 ^ G8);
G8 -= G9;
}
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3>
inline void IG1024B(word64& G0, word64& G1, word64& G2, word64& G3,
word64& G4, word64& G5, word64& G6, word64& G7)
{
G7 = rotrConstant<C3>(G7 ^ G6);
G6 -= G7;
G5 = rotrConstant<C2>(G5 ^ G4);
G4 -= G5;
G3 = rotrConstant<C1>(G3 ^ G2);
G2 -= G3;
G1 = rotrConstant<C0>(G1 ^ G0);
G0 -= G1;
}
template <unsigned int C0, unsigned int C1, unsigned int C2, unsigned int C3,
unsigned int C4, unsigned int C5, unsigned int C6, unsigned int C7>
inline void IG1024(word64& G0, word64& G1, word64& G2, word64& G3, word64& G4, word64& G5,
word64& G6, word64& G7, word64& G8, word64& G9, word64& G10, word64& G11, word64& G12,
word64& G13, word64& G14, word64& G15)
{
// The extra gyrations promote inlining. Without it Threefish1024 looses 10 cpb.
IG1024A<C4, C5, C6, C7>(G8, G9, G10, G11, G12, G13, G14, G15);
IG1024B<C0, C1, C2, C3>(G0, G1, G2, G3, G4, G5, G6, G7);
}
#define KS1024(r) \
G0 += m_rkey[(r + 1) % 17]; \
G1 += m_rkey[(r + 2) % 17]; \
G2 += m_rkey[(r + 3) % 17]; \
G3 += m_rkey[(r + 4) % 17]; \
G4 += m_rkey[(r + 5) % 17]; \
G5 += m_rkey[(r + 6) % 17]; \
G6 += m_rkey[(r + 7) % 17]; \
G7 += m_rkey[(r + 8) % 17]; \
G8 += m_rkey[(r + 9) % 17]; \
G9 += m_rkey[(r + 10) % 17]; \
G10 += m_rkey[(r + 11) % 17]; \
G11 += m_rkey[(r + 12) % 17]; \
G12 += m_rkey[(r + 13) % 17]; \
G13 += m_rkey[(r + 14) % 17] + m_tweak[(r + 1) % 3]; \
G14 += m_rkey[(r + 15) % 17] + m_tweak[(r + 2) % 3]; \
G15 += m_rkey[(r + 16) % 17] + r + 1;
#define IKS1024(r) \
G0 -= m_rkey[(r + 1) % 17]; \
G1 -= m_rkey[(r + 2) % 17]; \
G2 -= m_rkey[(r + 3) % 17]; \
G3 -= m_rkey[(r + 4) % 17]; \
G4 -= m_rkey[(r + 5) % 17]; \
G5 -= m_rkey[(r + 6) % 17]; \
G6 -= m_rkey[(r + 7) % 17]; \
G7 -= m_rkey[(r + 8) % 17]; \
G8 -= m_rkey[(r + 9) % 17]; \
G9 -= m_rkey[(r + 10) % 17]; \
G10 -= m_rkey[(r + 11) % 17]; \
G11 -= m_rkey[(r + 12) % 17]; \
G12 -= m_rkey[(r + 13) % 17]; \
G13 -= (m_rkey[(r + 14) % 17] + m_tweak[(r + 1) % 3]); \
G14 -= (m_rkey[(r + 15) % 17] + m_tweak[(r + 2) % 3]); \
G15 -= (m_rkey[(r + 16) % 17] + r + 1);
#define G1024x8(r) \
G1024A<24, 13, 8, 47>(G0, G1, G2, G3, G4, G5, G6, G7); \
G1024B< 8, 17, 22, 37>(G8, G9, G10, G11, G12, G13, G14, G15); \
G1024A<38, 19, 10, 55>(G0, G9, G2, G13, G6, G11, G4, G15); \
G1024B<49, 18, 23, 52>(G10, G7, G12, G3, G14, G5, G8, G1); \
G1024A<33, 4, 51, 13>(G0, G7, G2, G5, G4, G3, G6, G1); \
G1024B<34, 41, 59, 17>(G12, G15, G14, G13, G8, G11, G10, G9); \
G1024A< 5, 20, 48, 41>(G0, G15, G2, G11, G6, G13, G4, G9); \
G1024B<47, 28, 16, 25>(G14, G1, G8, G5, G10, G3, G12, G7); \
KS1024(r); \
G1024A<41, 9, 37, 31>(G0, G1, G2, G3, G4, G5, G6, G7); \
G1024B<12, 47, 44, 30>(G8, G9, G10, G11, G12, G13, G14, G15); \
G1024A<16, 34, 56, 51>(G0, G9, G2, G13, G6, G11, G4, G15); \
G1024B< 4, 53, 42, 41>(G10, G7, G12, G3, G14, G5, G8, G1); \
G1024A<31, 44, 47, 46>(G0, G7, G2, G5, G4, G3, G6, G1); \
G1024B<19, 42, 44, 25>(G12, G15, G14, G13, G8, G11, G10, G9); \
G1024A< 9, 48, 35, 52>(G0, G15, G2, G11, G6, G13, G4, G9); \
G1024B<23, 31, 37, 20>(G14, G1, G8, G5, G10, G3, G12, G7); \
KS1024(r + 1);
#define IG1024x8(r) \
IG1024A< 9, 48, 35, 52>(G0, G15, G2, G11, G6, G13, G4, G9); \
IG1024B<23, 31, 37, 20>(G14, G1, G8, G5, G10, G3, G12, G7); \
IG1024A<31, 44, 47, 46>(G0, G7, G2, G5, G4, G3, G6, G1); \
IG1024B<19, 42, 44, 25>(G12, G15, G14, G13, G8, G11, G10, G9); \
IG1024A<16, 34, 56, 51>(G0, G9, G2, G13, G6, G11, G4, G15); \
IG1024B< 4, 53, 42, 41>(G10, G7, G12, G3, G14, G5, G8, G1); \
IG1024A<41, 9, 37, 31>(G0, G1, G2, G3, G4, G5, G6, G7); \
IG1024B<12, 47, 44, 30>(G8, G9, G10, G11, G12, G13, G14, G15); \
IKS1024(r); \
IG1024A< 5, 20, 48, 41>(G0, G15, G2, G11, G6, G13, G4, G9); \
IG1024B<47, 28, 16, 25>(G14, G1, G8, G5, G10, G3, G12, G7); \
IG1024A<33, 4, 51, 13>(G0, G7, G2, G5, G4, G3, G6, G1); \
IG1024B<34, 41, 59, 17>(G12, G15, G14, G13, G8, G11, G10, G9); \
IG1024A<38, 19, 10, 55>(G0, G9, G2, G13, G6, G11, G4, G15); \
IG1024B<49, 18, 23, 52>(G10, G7, G12, G3, G14, G5, G8, G1); \
IG1024A<24, 13, 8, 47>(G0, G1, G2, G3, G4, G5, G6, G7); \
IG1024B< 8, 17, 22, 37>(G8, G9, G10, G11, G12, G13, G14, G15); \
IKS1024(r - 1);
ANONYMOUS_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
NAMESPACE_BEGIN(CryptoPP)
void Threefish256::Base::UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params)
{
// Blocksize is Keylength for Threefish
CRYPTOPP_ASSERT(keyLength == KEYLENGTH);
m_rkey.New(5);
m_wspace.New(4);
GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 4, userKey, keyLength);
m_rkey[4] = W64LIT(0x1BD11BDAA9FC1A22) ^ m_rkey[0] ^ m_rkey[1] ^ m_rkey[2] ^ m_rkey[3];
SetTweak(params);
}
void Threefish256::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3);
G0 += m_rkey[0]; G1 += m_rkey[1]; G2 += m_rkey[2];
G3 += m_rkey[3]; G1 += m_tweak[0]; G2 += m_tweak[1];
G256x8(0); G256x8(2); G256x8(4); G256x8(6); G256x8(8);
G256x8(10); G256x8(12); G256x8(14); G256x8(16);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3);
}
void Threefish256::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3);
G0 -= m_rkey[3]; G1 -= m_rkey[4]; G2 -= m_rkey[0]; G3 -= m_rkey[1];
G1 -= m_tweak[0]; G2 -= m_tweak[1]; G3 -= 18;
IG256x8(16); IG256x8(14); IG256x8(12); IG256x8(10);
IG256x8(8); IG256x8(6); IG256x8(4); IG256x8(2); IG256x8(0);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3);
}
/////////////////////////////////////////////////////////////////
void Threefish512::Base::UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params)
{
// Blocksize is Keylength for Threefish
CRYPTOPP_ASSERT(keyLength == KEYLENGTH);
m_rkey.New(9);
m_wspace.New(8);
GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 8, userKey, keyLength);
m_rkey[8] = W64LIT(0x1BD11BDAA9FC1A22) ^ m_rkey[0] ^ m_rkey[1] ^ m_rkey[2] ^ m_rkey[3] ^
m_rkey[4] ^ m_rkey[5] ^ m_rkey[6] ^ m_rkey[7];
SetTweak(params);
}
void Threefish512::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
word64 &G4=m_wspace[4], &G5=m_wspace[5], &G6=m_wspace[6], &G7=m_wspace[7];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7);
// 34 integer instructions total
G0 += m_rkey[0]; G1 += m_rkey[1]; G2 += m_rkey[2]; G3 += m_rkey[3];
G4 += m_rkey[4]; G5 += m_rkey[5]; G6 += m_rkey[6]; G7 += m_rkey[7];
G5 += m_tweak[0]; G6 += m_tweak[1];
G512x8(0); G512x8(2); G512x8(4); G512x8(6); G512x8(8);
G512x8(10); G512x8(12); G512x8(14); G512x8(16);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7);
}
void Threefish512::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
word64 &G4=m_wspace[4], &G5=m_wspace[5], &G6=m_wspace[6], &G7=m_wspace[7];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7);
G0 -= m_rkey[0]; G1 -= m_rkey[1]; G2 -= m_rkey[2]; G3 -= m_rkey[3];
G4 -= m_rkey[4]; G5 -= m_rkey[5]; G6 -= m_rkey[6]; G7 -= m_rkey[7];
G5 -= m_tweak[0]; G6 -= m_tweak[1]; G7 -= 18;
IG512x8(16); IG512x8(14); IG512x8(12); IG512x8(10);
IG512x8(8); IG512x8(6); IG512x8(4); IG512x8(2); IG512x8(0);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7);
}
/////////////////////////////////////////////////////////////////
void Threefish1024::Base::UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params)
{
// Blocksize is Keylength for Threefish
CRYPTOPP_ASSERT(keyLength == KEYLENGTH);
m_rkey.New(17);
m_wspace.New(16);
GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 16, userKey, keyLength);
m_rkey[16] = W64LIT(0x1BD11BDAA9FC1A22) ^ m_rkey[0] ^ m_rkey[1] ^ m_rkey[2] ^ m_rkey[3] ^ m_rkey[4] ^
m_rkey[5] ^ m_rkey[6] ^ m_rkey[7] ^ m_rkey[8] ^ m_rkey[9] ^ m_rkey[10] ^ m_rkey[11] ^ m_rkey[12] ^
m_rkey[13] ^ m_rkey[14] ^ m_rkey[15];
SetTweak(params);
}
void Threefish1024::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
word64 &G4=m_wspace[4], &G5=m_wspace[5], &G6=m_wspace[6], &G7=m_wspace[7];
word64 &G8=m_wspace[8], &G9=m_wspace[9], &G10=m_wspace[10], &G11=m_wspace[11];
word64 &G12=m_wspace[12], &G13=m_wspace[13], &G14=m_wspace[14], &G15=m_wspace[15];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7)(G8)(G9)(G10)(G11)(G12)(G13)(G14)(G15);
G0 += m_rkey[0]; G1 += m_rkey[1]; G2 += m_rkey[2]; G3 += m_rkey[3];
G4 += m_rkey[4]; G5 += m_rkey[5]; G6 += m_rkey[6]; G7 += m_rkey[7];
G8 += m_rkey[8]; G9 += m_rkey[9]; G10 += m_rkey[10]; G11 += m_rkey[11];
G12 += m_rkey[12]; G13 += m_rkey[13]; G14 += m_rkey[14]; G15 += m_rkey[15];
G13 += m_tweak[0]; G14 += m_tweak[1];
G1024x8(0); G1024x8(2); G1024x8(4); G1024x8(6); G1024x8(8);
G1024x8(10); G1024x8(12); G1024x8(14); G1024x8(16); G1024x8(18);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7)(G8)(G9)(G10)(G11)(G12)(G13)(G14)(G15);
}
void Threefish1024::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 &G0=m_wspace[0], &G1=m_wspace[1], &G2=m_wspace[2], &G3=m_wspace[3];
word64 &G4=m_wspace[4], &G5=m_wspace[5], &G6=m_wspace[6], &G7=m_wspace[7];
word64 &G8=m_wspace[8], &G9=m_wspace[9], &G10=m_wspace[10], &G11=m_wspace[11];
word64 &G12=m_wspace[12], &G13=m_wspace[13], &G14=m_wspace[14], &G15=m_wspace[15];
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef GetBlock<word64, LittleEndian, false> InBlock;
InBlock iblk(inBlock);
iblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7)(G8)(G9)(G10)(G11)(G12)(G13)(G14)(G15);
G0 -= m_rkey[3]; G1 -= m_rkey[4]; G2 -= m_rkey[5]; G3 -= m_rkey[6];
G4 -= m_rkey[7]; G5 -= m_rkey[8]; G6 -= m_rkey[9]; G7 -= m_rkey[10];
G8 -= m_rkey[11]; G9 -= m_rkey[12]; G10 -= m_rkey[13]; G11 -= m_rkey[14];
G12 -= m_rkey[15]; G13 -= m_rkey[16]; G14 -= m_rkey[0]; G15 -= m_rkey[1];
G13 -= m_tweak[2]; G14 -= m_tweak[0]; G15 -= 20;
IG1024x8(18); IG1024x8(16); IG1024x8(14); IG1024x8(12); IG1024x8(10);
IG1024x8(8); IG1024x8(6); IG1024x8(4); IG1024x8(2); IG1024x8(0);
// Reverse bytes on BigEndian; align pointer on LittleEndian
typedef PutBlock<word64, LittleEndian, false> OutBlock;
OutBlock oblk(xorBlock, outBlock);
oblk(G0)(G1)(G2)(G3)(G4)(G5)(G6)(G7)(G8)(G9)(G10)(G11)(G12)(G13)(G14)(G15);
}
NAMESPACE_END