keccak/keccak_gen.go

// Generated from go run gen.go
// DO NOT EDIT

package keccak

// round implements one round of the keccak-f[1600] permutation.
func roundGo(a *[5][5]uint64) {

	var a00, a01, a02, a03, a04 uint64

	var a10, a11, a12, a13, a14 uint64

	var a20, a21, a22, a23, a24 uint64

	var a30, a31, a32, a33, a34 uint64

	var a40, a41, a42, a43, a44 uint64

	// Theta
	var c0, c1, c2, c3, c4 uint64

	c0 = a[0][0]

	c1 = a[0][1]

	c2 = a[0][2]

	c3 = a[0][3]

	c4 = a[0][4]

	c0 ^= a[1][0]

	c1 ^= a[1][1]

	c2 ^= a[1][2]

	c3 ^= a[1][3]

	c4 ^= a[1][4]

	c0 ^= a[2][0]

	c1 ^= a[2][1]

	c2 ^= a[2][2]

	c3 ^= a[2][3]

	c4 ^= a[2][4]

	c0 ^= a[3][0]

	c1 ^= a[3][1]

	c2 ^= a[3][2]

	c3 ^= a[3][3]

	c4 ^= a[3][4]

	c0 ^= a[4][0]

	c1 ^= a[4][1]

	c2 ^= a[4][2]

	c3 ^= a[4][3]

	c4 ^= a[4][4]

	a00 = a[0][0] ^ c4 ^ (c1<<1 | c1>>63)

	a01 = a[1][0] ^ c4 ^ (c1<<1 | c1>>63)

	a02 = a[2][0] ^ c4 ^ (c1<<1 | c1>>63)

	a03 = a[3][0] ^ c4 ^ (c1<<1 | c1>>63)

	a04 = a[4][0] ^ c4 ^ (c1<<1 | c1>>63)

	a10 = a[0][1] ^ c0 ^ (c2<<1 | c2>>63)

	a11 = a[1][1] ^ c0 ^ (c2<<1 | c2>>63)

	a12 = a[2][1] ^ c0 ^ (c2<<1 | c2>>63)

	a13 = a[3][1] ^ c0 ^ (c2<<1 | c2>>63)

	a14 = a[4][1] ^ c0 ^ (c2<<1 | c2>>63)

	a20 = a[0][2] ^ c1 ^ (c3<<1 | c3>>63)

	a21 = a[1][2] ^ c1 ^ (c3<<1 | c3>>63)

	a22 = a[2][2] ^ c1 ^ (c3<<1 | c3>>63)

	a23 = a[3][2] ^ c1 ^ (c3<<1 | c3>>63)

	a24 = a[4][2] ^ c1 ^ (c3<<1 | c3>>63)

	a30 = a[0][3] ^ c2 ^ (c4<<1 | c4>>63)

	a31 = a[1][3] ^ c2 ^ (c4<<1 | c4>>63)

	a32 = a[2][3] ^ c2 ^ (c4<<1 | c4>>63)

	a33 = a[3][3] ^ c2 ^ (c4<<1 | c4>>63)

	a34 = a[4][3] ^ c2 ^ (c4<<1 | c4>>63)

	a40 = a[0][4] ^ c3 ^ (c0<<1 | c0>>63)

	a41 = a[1][4] ^ c3 ^ (c0<<1 | c0>>63)

	a42 = a[2][4] ^ c3 ^ (c0<<1 | c0>>63)

	a43 = a[3][4] ^ c3 ^ (c0<<1 | c0>>63)

	a44 = a[4][4] ^ c3 ^ (c0<<1 | c0>>63)

	// Rho and pi

	var b00 = a00<<0 | a00>>64

	var b02 = a10<<1 | a10>>63

	var b04 = a20<<62 | a20>>2

	var b01 = a30<<28 | a30>>36

	var b03 = a40<<27 | a40>>37

	var b13 = a01<<36 | a01>>28

	var b10 = a11<<44 | a11>>20

	var b12 = a21<<6 | a21>>58

	var b14 = a31<<55 | a31>>9

	var b11 = a41<<20 | a41>>44

	var b21 = a02<<3 | a02>>61

	var b23 = a12<<10 | a12>>54

	var b20 = a22<<43 | a22>>21

	var b22 = a32<<25 | a32>>39

	var b24 = a42<<39 | a42>>25

	var b34 = a03<<41 | a03>>23

	var b31 = a13<<45 | a13>>19

	var b33 = a23<<15 | a23>>49

	var b30 = a33<<21 | a33>>43

	var b32 = a43<<8 | a43>>56

	var b42 = a04<<18 | a04>>46

	var b44 = a14<<2 | a14>>62

	var b41 = a24<<61 | a24>>3

	var b43 = a34<<56 | a34>>8

	var b40 = a44<<14 | a44>>50

	// Chi / output

	a[0][0] = b00 ^ (b20 &^ b10)

	a[0][1] = b10 ^ (b30 &^ b20)

	a[0][2] = b20 ^ (b40 &^ b30)

	a[0][3] = b30 ^ (b00 &^ b40)

	a[0][4] = b40 ^ (b10 &^ b00)

	a[1][0] = b01 ^ (b21 &^ b11)

	a[1][1] = b11 ^ (b31 &^ b21)

	a[1][2] = b21 ^ (b41 &^ b31)

	a[1][3] = b31 ^ (b01 &^ b41)

	a[1][4] = b41 ^ (b11 &^ b01)

	a[2][0] = b02 ^ (b22 &^ b12)

	a[2][1] = b12 ^ (b32 &^ b22)

	a[2][2] = b22 ^ (b42 &^ b32)

	a[2][3] = b32 ^ (b02 &^ b42)

	a[2][4] = b42 ^ (b12 &^ b02)

	a[3][0] = b03 ^ (b23 &^ b13)

	a[3][1] = b13 ^ (b33 &^ b23)

	a[3][2] = b23 ^ (b43 &^ b33)

	a[3][3] = b33 ^ (b03 &^ b43)

	a[3][4] = b43 ^ (b13 &^ b03)

	a[4][0] = b04 ^ (b24 &^ b14)

	a[4][1] = b14 ^ (b34 &^ b24)

	a[4][2] = b24 ^ (b44 &^ b34)

	a[4][3] = b34 ^ (b04 &^ b44)

	a[4][4] = b44 ^ (b14 &^ b04)

}