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