mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-24 02:19:41 +00:00
03a6a8fb73
The change speeds up benchmarks for Threefish-256 and Threefish-512 by about 10 MiB/s on a 6th gen Skylake
468 lines
18 KiB
C++
468 lines
18 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 "cpu.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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#if defined(__clang__)
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# define rotatel64(x,y) rotlVariable(x,y)
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# define rotater64(x,y) rotrVariable(x,y)
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#else
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# define rotatel64(x,y) rotlFixed(x,y)
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# define rotater64(x,y) rotrFixed(x,y)
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#endif
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#define G256(G0, G1, G2, G3, C0, C1) \
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G0 += G1; \
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G1 = rotatel64(G1, C0) ^ G0; \
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G2 += G3; \
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G3 = rotatel64(G3, C1) ^ G2;
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#define IG256(G0, G1, G2, G3, C0, C1) \
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G3 = rotater64(G3 ^ G2, C1); \
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G2 -= G3; \
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G1 = rotater64(G1 ^ G0, C0); \
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G0 -= G1; \
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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(G0, G1, G2, G3, 14, 16); \
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G256(G0, G3, G2, G1, 52, 57); \
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G256(G0, G1, G2, G3, 23, 40); \
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G256(G0, G3, G2, G1, 5, 37); \
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KS256(r); \
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G256(G0, G1, G2, G3, 25, 33); \
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G256(G0, G3, G2, G1, 46, 12); \
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G256(G0, G1, G2, G3, 58, 22); \
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G256(G0, G3, G2, G1, 32, 32); \
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KS256(r + 1);
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#define IG256x8(r) \
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IG256(G0, G3, G2, G1, 32, 32); \
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IG256(G0, G1, G2, G3, 58, 22); \
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IG256(G0, G3, G2, G1, 46, 12); \
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IG256(G0, G1, G2, G3, 25, 33); \
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IKS256(r); \
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IG256(G0, G3, G2, G1, 5, 37); \
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IG256(G0, G1, G2, G3, 23, 40); \
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IG256(G0, G3, G2, G1, 52, 57); \
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IG256(G0, G1, G2, G3, 14, 16); \
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IKS256(r - 1);
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#define IG512(G0, G1, G2, G3, G4, G5, G6, G7, C0, C1, C2, C3) \
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G7 = rotater64(G7 ^ G6, C3); \
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G6 -= G7; \
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G5 = rotater64(G5 ^ G4, C2); \
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G4 -= G5; \
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G3 = rotater64(G3 ^ G2, C1); \
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G2 -= G3; \
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G1 = rotater64(G1 ^ G0, C0); \
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G0 -= G1;
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#define G512(G0, G1, G2, G3, G4, G5, G6, G7, C0, C1, C2, C3) \
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G0 += G1; \
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G1 = rotatel64(G1, C0) ^ G0; \
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G2 += G3; \
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G3 = rotatel64(G3, C1) ^ G2; \
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G4 += G5; \
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G5 = rotatel64(G5, C2) ^ G4; \
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G6 += G7; \
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G7 = rotatel64(G7, C3) ^ G6;
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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 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 IG512x8(r) \
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IG512(G6, G1, G0, G7, G2, G5, G4, G3, 8, 35, 56, 22); \
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IG512(G4, G1, G6, G3, G0, G5, G2, G7, 25, 29, 39, 43); \
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IG512(G2, G1, G4, G7, G6, G5, G0, G3, 13, 50, 10, 17); \
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IG512(G0, G1, G2, G3, G4, G5, G6, G7, 39, 30, 34, 24); \
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IKS512(r) \
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IG512(G6, G1, G0, G7, G2, G5, G4, G3, 44, 9, 54, 56); \
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IG512(G4, G1, G6, G3, G0, G5, G2, G7, 17, 49, 36, 39); \
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IG512(G2, G1, G4, G7, G6, G5, G0, G3, 33, 27, 14, 42); \
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IG512(G0, G1, G2, G3, G4, G5, G6, G7, 46, 36, 19, 37); \
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IKS512(r - 1)
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#define G512x8(r) \
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G512(G0, G1, G2, G3, G4, G5, G6, G7, 46, 36, 19, 37); \
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G512(G2, G1, G4, G7, G6, G5, G0, G3, 33, 27, 14, 42); \
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G512(G4, G1, G6, G3, G0, G5, G2, G7, 17, 49, 36, 39); \
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G512(G6, G1, G0, G7, G2, G5, G4, G3, 44, 9, 54, 56); \
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KS512(r) \
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G512(G0, G1, G2, G3, G4, G5, G6, G7, 39, 30, 34, 24); \
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G512(G2, G1, G4, G7, G6, G5, G0, G3, 13, 50, 10, 17); \
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G512(G4, G1, G6, G3, G0, G5, G2, G7, 25, 29, 39, 43); \
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G512(G6, G1, G0, G7, G2, G5, G4, G3, 8, 35, 56, 22); \
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KS512(r + 1)
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#define IG1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, C1, C2, C3, C4, C5, C6, C7, C8) \
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G15 = rotater64(G15 ^ G14, C8); \
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G14 -= G15; \
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G13 = rotater64(G13 ^ G12, C7); \
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G12 -= G13; \
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G11 = rotater64(G11 ^ G10, C6); \
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G10 -= G11; \
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G9 = rotater64(G9 ^ G8, C5); \
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G8 -= G9; \
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G7 = rotater64(G7 ^ G6, C4); \
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G6 -= G7; \
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G5 = rotater64(G5 ^ G4, C3); \
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G4 -= G5; \
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G3 = rotater64(G3 ^ G2, C2); \
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G2 -= G3; \
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G1 = rotater64(G1 ^ G0, C1); \
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G0 -= G1;
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#define G1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, C1, C2, C3, C4, C5, C6, C7, C8) \
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G0 += G1; \
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G1 = rotatel64(G1, C1) ^ G0; \
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G2 += G3; \
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G3 = rotatel64(G3, C2) ^ G2; \
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G4 += G5; \
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G5 = rotatel64(G5, C3) ^ G4; \
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G6 += G7; \
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G7 = rotatel64(G7, C4) ^ G6; \
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G8 += G9; \
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G9 = rotatel64(G9, C5) ^ G8; \
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G10 += G11; \
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G11 = rotatel64(G11, C6) ^ G10; \
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G12 += G13; \
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G13 = rotatel64(G13, C7) ^ G12; \
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G14 += G15; \
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G15 = rotatel64(G15, C8) ^ G14;
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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 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 IG1024x8(r) \
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IG1024(G0, G15, G2, G11, G6, G13, G4, G9, G14, G1, G8, G5, G10, G3, G12, G7, 9, 48, 35, 52, 23, 31, 37, 20); \
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IG1024(G0, G7, G2, G5, G4, G3, G6, G1, G12, G15, G14, G13, G8, G11, G10, G9, 31, 44, 47, 46, 19, 42, 44, 25); \
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IG1024(G0, G9, G2, G13, G6, G11, G4, G15, G10, G7, G12, G3, G14, G5, G8, G1, 16, 34, 56, 51, 4, 53, 42, 41); \
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IG1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, 41, 9, 37, 31, 12, 47, 44, 30); \
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IKS1024(r); \
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IG1024(G0, G15, G2, G11, G6, G13, G4, G9, G14, G1, G8, G5, G10, G3, G12, G7, 5, 20, 48, 41, 47, 28, 16, 25); \
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IG1024(G0, G7, G2, G5, G4, G3, G6, G1, G12, G15, G14, G13, G8, G11, G10, G9, 33, 4, 51, 13, 34, 41, 59, 17); \
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IG1024(G0, G9, G2, G13, G6, G11, G4, G15, G10, G7, G12, G3, G14, G5, G8, G1, 38, 19, 10, 55, 49, 18, 23, 52); \
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IG1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, 24, 13, 8, 47, 8, 17, 22, 37); \
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IKS1024(r - 1);
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#define G1024x8(r) \
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G1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, 24, 13, 8, 47, 8, 17, 22, 37); \
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G1024(G0, G9, G2, G13, G6, G11, G4, G15, G10, G7, G12, G3, G14, G5, G8, G1, 38, 19, 10, 55, 49, 18, 23, 52); \
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G1024(G0, G7, G2, G5, G4, G3, G6, G1, G12, G15, G14, G13, G8, G11, G10, G9, 33, 4, 51, 13, 34, 41, 59, 17); \
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G1024(G0, G15, G2, G11, G6, G13, G4, G9, G14, G1, G8, G5, G10, G3, G12, G7, 5, 20, 48, 41, 47, 28, 16, 25); \
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KS1024(r); \
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G1024(G0, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14, G15, 41, 9, 37, 31, 12, 47, 44, 30); \
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G1024(G0, G9, G2, G13, G6, G11, G4, G15, G10, G7, G12, G3, G14, G5, G8, G1, 16, 34, 56, 51, 4, 53, 42, 41); \
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G1024(G0, G7, G2, G5, G4, G3, G6, G1, G12, G15, G14, G13, G8, G11, G10, G9, 31, 44, 47, 46, 19, 42, 44, 25); \
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G1024(G0, G15, G2, G11, G6, G13, G4, G9, G14, G1, G8, G5, G10, G3, G12, G7, 9, 48, 35, 52, 23, 31, 37, 20); \
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KS1024(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 Threefish::Base::UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs ¶ms)
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{
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switch (keylen)
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{
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case 32: // 256
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m_rkey.New(5);
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m_wspace.New(4);
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m_blocksize = 32;
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GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 4, key, 32);
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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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break;
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case 64: // 512
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m_rkey.New(9);
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m_wspace.New(8);
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m_blocksize = 64;
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GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 8, key, 64);
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m_rkey[8] = W64LIT(0x1BD11BDAA9FC1A22) ^ m_rkey[0] ^ m_rkey[1] ^ m_rkey[2] ^ m_rkey[3] ^ m_rkey[4] ^
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m_rkey[5] ^ m_rkey[6] ^ m_rkey[7];
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break;
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case 128: // 128
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m_rkey.New(17);
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m_wspace.New(16);
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m_blocksize = 128;
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GetUserKey(LITTLE_ENDIAN_ORDER, m_rkey.begin(), 16, key, 128);
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m_rkey[16] = W64LIT(0x1BD11BDAA9FC1A22) ^ m_rkey[0] ^ m_rkey[1] ^ m_rkey[2] ^ m_rkey[3] ^ m_rkey[4] ^
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m_rkey[5] ^ m_rkey[6] ^ m_rkey[7] ^ m_rkey[8] ^ m_rkey[9] ^ m_rkey[10] ^ m_rkey[11] ^ m_rkey[12] ^
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m_rkey[13] ^ m_rkey[14] ^ m_rkey[15];
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break;
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default:
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CRYPTOPP_ASSERT(0);
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}
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m_tweak.New(3);
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ConstByteArrayParameter t;
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if (params.GetValue(Name::Tweak(), t))
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{
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CRYPTOPP_ASSERT(t.size() == 16);
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GetUserKey(LITTLE_ENDIAN_ORDER, m_tweak.begin(), 2, t.begin(), 16);
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m_tweak[2] = m_tweak[0] ^ m_tweak[1];
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}
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else
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{
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::memset(m_tweak.begin(), 0x00, 24);
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}
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}
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void Threefish::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
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{
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switch(m_blocksize)
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{
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case 32:
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ProcessAndXorBlock_256(inBlock, xorBlock, outBlock);
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break;
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case 64:
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ProcessAndXorBlock_512(inBlock, xorBlock, outBlock);
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break;
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case 128:
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ProcessAndXorBlock_1024(inBlock, xorBlock, outBlock);
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break;
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default:
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CRYPTOPP_ASSERT(0);
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}
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}
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void Threefish::Enc::ProcessAndXorBlock_256(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]; G3 += m_rkey[3];
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G1 += m_tweak[0]; G2 += m_tweak[1];
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G256x8(0); G256x8(2); G256x8(4); G256x8(6); G256x8(8);
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G256x8(10); G256x8(12); G256x8(14); G256x8(16);
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// Reverse bytes on BigEndian; Align pointer on LittleEndian
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typedef PutBlock<word64, LittleEndian, false> OutBlock;
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OutBlock oblk(xorBlock, outBlock);
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oblk(G0)(G1)(G2)(G3);
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}
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void Threefish::Enc::ProcessAndXorBlock_512(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];
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|
|
|
// 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];
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|
|
|
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 Threefish::Enc::ProcessAndXorBlock_1024(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 Threefish::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
|
|
{
|
|
switch(m_blocksize)
|
|
{
|
|
case 32:
|
|
ProcessAndXorBlock_256(inBlock, xorBlock, outBlock);
|
|
break;
|
|
case 64:
|
|
ProcessAndXorBlock_512(inBlock, xorBlock, outBlock);
|
|
break;
|
|
case 128:
|
|
ProcessAndXorBlock_1024(inBlock, xorBlock, outBlock);
|
|
break;
|
|
default:
|
|
CRYPTOPP_ASSERT(0);
|
|
}
|
|
}
|
|
|
|
void Threefish::Dec::ProcessAndXorBlock_256(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 Threefish::Dec::ProcessAndXorBlock_512(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 Threefish::Dec::ProcessAndXorBlock_1024(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
|