hash

Documentation

Index

• Constants
• func HashFunc(data []byte) []byte
• func HashMerkleBranches(left []byte, right []byte) []byte
• func HashWithIndex(data []byte, index uint64) []byte

Constants

const HashSize = 32

Functions

func HashFunc

func HashFunc(data []byte) []byte

HashFunc is a modified version of the blake2s hash function which sets the first three bits of the output to zero. This is needed for use inside a lurk program which has a max field element value less than the maximum value of the blake2s hash.

func HashMerkleBranches

func HashMerkleBranches(left []byte, right []byte) []byte

HashMerkleBranches takes two hashes, treated as the left and right tree nodes, and returns the hash of their concatenation. This is a helper function used to aid in the generation of a merkle tree.

func HashWithIndex

func HashWithIndex(data []byte, index uint64) []byte

HashWithIndex prepends the index to data before hashing.