@helixnetwork/winternitz NPM

@helixnetwork/winternitz

Winternitz OTS (One time signature)

Installation

Install using npm:

npm install @helixnetwork/winternitz

or using yarn:

yarn add @helixnetwork/winternitz

API Reference

winternitz

* [~subseed(seed, index)](#module_winternitz..subseed)

Compute subseed based on the seed with an additional index;

* [~key(subSeed, securityLevel)](#module_winternitz..key)

Split seed in fragments and hashed them then generate from each fragment a schnore private key;

* [~digests(key)](#module_winternitz..digests)

* [~address(digests)](#module_winternitz..address)

* [~digest(normalizedBundleFragment, signatureFragment)](#module_winternitz..digest)

* [~signatureFragment(normalizeBundleFragment, keyFragment, normalizedBundleFragmentOffset, keyFragmentOffset)](#module_winternitz..signatureFragment)

* [~signatureFragments(seeed, index, securityLevel, bundle)](#module_winternitz..signatureFragment)

* [~validateSignatures(expectedAddress, signatureFragments, bundleHash)](#module_winternitz..validateSignatures)

* [~normalizedBundleHash(bundlehash)](#module_winternitz..normalizedBundleHash)

winternitz~subseed

Compute subseed based on the seed with an additional index(seed, index)

Param	Type	Description
seed	TxBytes	Seed txBytes
index	number	Private key index

Returns: TxBytes - subseed txBytes

winternitz~key

Split seed in fragments and hashed them then generate from each fragment a winternitz private key;(subSeed, securityLevel)

Param	Type	Description
subseed	TxBytes	Subseed txBytes
securityLevel	number	Private key length

Returns: TxBytes - Private key bytes

winternitz~digests(key)

Param	Type	Description
key	TxBytes	Private key txBytes

winternitz~address(digests)

Param	Type	Description
digests	TxBytes	Digests txBytes

Returns: TxBytes - Address hbits

winternitz~digest(normalizedBundleFragment, signatureFragment)

Param	Type	Description
normalizedBundleFragment	TxBytes	Normalized bundle fragment
signatureFragment	TxBytes	Signature fragment txBytes

Returns: TxBytes - Digest txBytes

winternitz~signatureFragment(normalizeBundleFragment, keyFragment, normalizedBundleFragmentOffset, keyFragmentOffset)

Param	Type	Description
normalizeBundleFragment	TxBytes	normalized bundle fragment
keyFragment	TxBytes	key fragment txBytes
normalizedBundleFragmentOffset	number	normalized bundle fragment offset (default 0)
keyFragmentOffset	number	key fragment offset (default 0)