Botan::Threefish_F Namespace Reference

Functions
template<size_t R1, size_t R2>
BOTAN_FORCE_INLINE void	d8_rounds (uint64_t &X0, uint64_t &X1, uint64_t &X2, uint64_t &X3, uint64_t &X4, uint64_t &X5, uint64_t &X6, uint64_t &X7, const Key_Inserter &key)
template<size_t R1, size_t R2, size_t R3, size_t R4>
BOTAN_FORCE_INLINE void	d_round (uint64_t &X0, uint64_t &X1, uint64_t &X2, uint64_t &X3, uint64_t &X4, uint64_t &X5, uint64_t &X6, uint64_t &X7)
template<size_t R1, size_t R2>
BOTAN_FORCE_INLINE void	e8_rounds (uint64_t &X0, uint64_t &X1, uint64_t &X2, uint64_t &X3, uint64_t &X4, uint64_t &X5, uint64_t &X6, uint64_t &X7, const Key_Inserter &key)
template<size_t R1, size_t R2, size_t R3, size_t R4>
BOTAN_FORCE_INLINE void	e_round (uint64_t &X0, uint64_t &X1, uint64_t &X2, uint64_t &X3, uint64_t &X4, uint64_t &X5, uint64_t &X6, uint64_t &X7)

Function Documentation

d8_rounds()

template<size_t R1, size_t R2>

BOTAN_FORCE_INLINE void Botan::Threefish_F::d8_rounds	(	uint64_t &	X0,
		uint64_t &	X1,
		uint64_t &	X2,
		uint64_t &	X3,
		uint64_t &	X4,
		uint64_t &	X5,
		uint64_t &	X6,
		uint64_t &	X7,
		const Key_Inserter &	key )

Definition at line 123 of file threefish_512.cpp.

                                                           {
   d_round<8, 35, 56, 22>(X6, X0, X2, X4, X1, X7, X5, X3);
   d_round<25, 29, 39, 43>(X4, X6, X0, X2, X1, X3, X5, X7);
   d_round<13, 50, 10, 17>(X2, X4, X6, X0, X1, X7, X5, X3);
   d_round<39, 30, 34, 24>(X0, X2, X4, X6, X1, X3, X5, X7);
   key.d_add(R1, X0, X1, X2, X3, X4, X5, X6, X7);
 
   d_round<44, 9, 54, 56>(X6, X0, X2, X4, X1, X7, X5, X3);
   d_round<17, 49, 36, 39>(X4, X6, X0, X2, X1, X3, X5, X7);
   d_round<33, 27, 14, 42>(X2, X4, X6, X0, X1, X7, X5, X3);
   d_round<46, 36, 19, 37>(X0, X2, X4, X6, X1, X3, X5, X7);
   key.d_add(R2, X0, X1, X2, X3, X4, X5, X6, X7);
}

References d_round().

d_round()

template<size_t R1, size_t R2, size_t R3, size_t R4>

BOTAN_FORCE_INLINE void Botan::Threefish_F::d_round	(	uint64_t &	X0,
		uint64_t &	X1,
		uint64_t &	X2,
		uint64_t &	X3,
		uint64_t &	X4,
		uint64_t &	X5,
		uint64_t &	X6,
		uint64_t &	X7 )

Definition at line 36 of file threefish_512.cpp.

                                                                                                                   {
   X4 ^= X0;
   X5 ^= X1;
   X6 ^= X2;
   X7 ^= X3;
   X4 = rotr<R1>(X4);
   X5 = rotr<R2>(X5);
   X6 = rotr<R3>(X6);
   X7 = rotr<R4>(X7);
   X0 -= X4;
   X1 -= X5;
   X2 -= X6;
   X3 -= X7;
}

References Botan::rotr().

Referenced by d8_rounds().

e8_rounds()

template<size_t R1, size_t R2>

BOTAN_FORCE_INLINE void Botan::Threefish_F::e8_rounds	(	uint64_t &	X0,
		uint64_t &	X1,
		uint64_t &	X2,
		uint64_t &	X3,
		uint64_t &	X4,
		uint64_t &	X5,
		uint64_t &	X6,
		uint64_t &	X7,
		const Key_Inserter &	key )

Definition at line 100 of file threefish_512.cpp.

                                                           {
   e_round<46, 36, 19, 37>(X0, X2, X4, X6, X1, X3, X5, X7);
   e_round<33, 27, 14, 42>(X2, X4, X6, X0, X1, X7, X5, X3);
   e_round<17, 49, 36, 39>(X4, X6, X0, X2, X1, X3, X5, X7);
   e_round<44, 9, 54, 56>(X6, X0, X2, X4, X1, X7, X5, X3);
   key.e_add(R1, X0, X1, X2, X3, X4, X5, X6, X7);
 
   e_round<39, 30, 34, 24>(X0, X2, X4, X6, X1, X3, X5, X7);
   e_round<13, 50, 10, 17>(X2, X4, X6, X0, X1, X7, X5, X3);
   e_round<25, 29, 39, 43>(X4, X6, X0, X2, X1, X3, X5, X7);
   e_round<8, 35, 56, 22>(X6, X0, X2, X4, X1, X7, X5, X3);
   key.e_add(R2, X0, X1, X2, X3, X4, X5, X6, X7);
}

References e_round().

e_round()

template<size_t R1, size_t R2, size_t R3, size_t R4>

BOTAN_FORCE_INLINE void Botan::Threefish_F::e_round	(	uint64_t &	X0,
		uint64_t &	X1,
		uint64_t &	X2,
		uint64_t &	X3,
		uint64_t &	X4,
		uint64_t &	X5,
		uint64_t &	X6,
		uint64_t &	X7 )

Definition at line 19 of file threefish_512.cpp.

                                                                                                                   {
   X0 += X4;
   X1 += X5;
   X2 += X6;
   X3 += X7;
   X4 = rotl<R1>(X4);
   X5 = rotl<R2>(X5);
   X6 = rotl<R3>(X6);
   X7 = rotl<R4>(X7);
   X4 ^= X0;
   X5 ^= X1;
   X6 ^= X2;
   X7 ^= X3;
}

References Botan::rotl().

Referenced by e8_rounds().