knot

Documentation

Overview

Package knot implements the knot hash function (AoC 2017 days 10, 14).

Index

• Constants
• func Hash(N, rounds int, input string) []byte
• func List(N int) []byte
• func Round(pos, skip int, list []byte, lengths []byte) (newPos, newSkip int)

Constants

const N = 256

N is the standard list length for knot hashes.

const Rounds = 64

Rounds is the standard number of rounds for a knot hash.

const Size = 16

Size is the number of bytes in a knot hash with the standard parameters.

Functions

func Hash

func Hash(N, rounds int, input string) []byte

Hash applies the knot hash function to the input string.

func List

func List(N int) []byte

List generates the initial knot hash state list, of the given size.

func Round

func Round(pos, skip int, list []byte, lengths []byte) (newPos, newSkip int)

Round applies a single knot hash Round to the given list.