blackrock

README

blackrock

blackrock cipher based on masscan

the cipher allows to visit all the elements of a finite space only once in a pseudo-random way

Documentation

Index

• type BlackRock
  • func New(rangez, seed int64) *BlackRock
  • func (blackrock *BlackRock) F(j, r, seed int64) int64
  • func (blackrock *BlackRock) Fe(r, a, b, m, seed int64) int64
  • func (blackrock *BlackRock) Shuffle(m int64) int64
  • func (blackrock *BlackRock) UnShuffle(m int64) int64
  • func (blackrock *BlackRock) Unfe(r, a, b, m, seed int64) int64

Types

type BlackRock

type BlackRock struct {
	Rounds int64
	Seed   int64
	Range  int64
	A      int64
	B      int64
}

func New

func New(rangez, seed int64) *BlackRock

func (*BlackRock) F

func (blackrock *BlackRock) F(j, r, seed int64) int64

Inner permutation function

func (*BlackRock) Fe

func (blackrock *BlackRock) Fe(r, a, b, m, seed int64) int64

Outer feistal construction

func (*BlackRock) Shuffle

func (blackrock *BlackRock) Shuffle(m int64) int64

func (*BlackRock) UnShuffle

func (blackrock *BlackRock) UnShuffle(m int64) int64

func (*BlackRock) Unfe

func (blackrock *BlackRock) Unfe(r, a, b, m, seed int64) int64

Outer reverse feistal construction