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/*
This code is written by kerukuro and released into public domain.
*/
#ifndef DIGESTPP_PROVIDERS_SKEIN_CONSTANTS_HPP
#define DIGESTPP_PROVIDERS_SKEIN_CONSTANTS_HPP
namespace digestpp
{
namespace detail
{
template<typename T>
struct skein_constants
{
const static unsigned C4[8][2];
const static unsigned C8[8][4];
const static unsigned C16[8][8];
const static unsigned I4[8][4];
const static unsigned I8[8][8];
const static unsigned I16[8][16];
};
template<typename T>
const unsigned skein_constants<T>::C4[8][2] = {
{ 14, 16 }, { 52, 57 }, { 23, 40 }, { 5, 37 }, { 25, 33 }, { 46, 12 }, { 58, 22 }, { 32, 32 }
};
template<typename T>
const unsigned skein_constants<T>::C8[8][4] = {
{ 46, 36, 19, 37 }, { 33, 27, 14, 42 }, { 17, 49, 36, 39 }, { 44, 9, 54, 56 },
{ 39, 30, 34, 24 }, { 13, 50, 10, 17 }, { 25, 29, 39, 43 }, { 8, 35, 56, 22 }
};
template<typename T>
const unsigned skein_constants<T>::C16[8][8]= {
{ 24, 13, 8, 47, 8, 17, 22, 37 }, { 38, 19, 10, 55, 49, 18, 23, 52 },
{ 33, 4, 51, 13, 34, 41, 59, 17 }, { 5, 20, 48, 41, 47, 28, 16, 25 },
{ 41, 9, 37, 31, 12, 47, 44, 30 }, { 16, 34, 56, 51, 4, 53, 42, 41 },
{ 31, 44, 47, 46, 19, 42, 44, 25 }, { 9, 48, 35, 52, 23, 31, 37, 20 }
};
template<typename T>
const unsigned skein_constants<T>::I4[8][4]= {
{ 0, 1, 2, 3 }, { 0, 3, 2, 1 }, { 0, 1, 2, 3 }, { 0, 3, 2, 1 },
{ 0, 1, 2, 3 }, { 0, 3, 2, 1 }, { 0, 1, 2, 3 }, { 0, 3, 2, 1 }
};
template<typename T>
const unsigned skein_constants<T>::I8[8][8]= {
{ 0, 1, 2, 3, 4, 5, 6, 7 }, { 2, 1, 4, 7, 6, 5, 0, 3 },
{ 4, 1, 6, 3, 0, 5, 2, 7 }, { 6, 1, 0, 7, 2, 5, 4, 3 },
{ 0, 1, 2, 3, 4, 5, 6, 7 }, { 2, 1, 4, 7, 6, 5, 0, 3 },
{ 4, 1, 6, 3, 0, 5, 2, 7 }, { 6, 1, 0, 7, 2, 5, 4, 3 }
};
template<typename T>
const unsigned skein_constants<T>::I16[8][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{ 0, 9, 2, 13, 6, 11, 4, 15, 10, 7, 12, 3, 14, 5, 8, 1 },
{ 0, 7, 2, 5, 4, 3, 6, 1, 12, 15, 14, 13, 8, 11, 10, 9 },
{ 0, 15, 2, 11, 6, 13, 4, 9, 14, 1, 8, 5, 10, 3, 12, 7 },
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{ 0, 9, 2, 13, 6, 11, 4, 15, 10, 7, 12, 3, 14, 5, 8, 1 },
{ 0, 7, 2, 5, 4, 3, 6, 1, 12, 15, 14, 13, 8, 11, 10, 9 },
{ 0, 15, 2, 11, 6, 13, 4, 9, 14, 1, 8, 5, 10, 3, 12, 7 }
};
} // namespace detail
} // namespace digestpp
#endif
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