@helixnetwork/schnorr

IOTA schnorr Scheme

Installation

Install using npm:

npm install @helixnetwork/schnorr

or using yarn:

yarn add @helixnetwork/schnorr

API Reference

• schnorr

  • [~subseed Compute subseed based on the seed with an additional index(seed, index)](#module_schnorr..subseed Compute subseed based on the seed with an additional index)

  • [~key Split seed in fragments and hashed them then generate from each fragment a schnore private key;(subseed, securityLevel)](#module_schnorr..key Split seed in fragments and hashed them then generate from each fragment a schnore private key;)

  • ~digests(key)

  • ~address(digests)

  • ~digest(normalizedBundleFragment, signatureFragment)

  • ~signatureFragment(normalizeBundleFragment, keyFragment)

  • ~validateSignatures(expectedAddress, signatureFragments, bundleHash)

  • ~normalizedBundleHash(bundlehash)

schnorr~subseed

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

Param	Type	Description
seed	Int8Array	Seed txBits
index	number	Private key index

Returns: Int8Array - subseed txBits

schnorr~key

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

Param	Type	Description
subseed	Int8Array	Subseed txBits
securityLevel	number	Private key length

Returns: Int8Array - Private key bytes

schnorr~digests(key)

Param	Type	Description
key	Uint8Array	Private key txBits

schnorr~address(digests)

Param	Type	Description
digests	Int8Array	Digests txBits

Returns: Int8Array - Address txBits

schnorr~digest(normalizedBundleFragment, signatureFragment)

Param	Type	Description
normalizedBundleFragment	array	Normalized bundle fragment
signatureFragment	Int8Array	Signature fragment txBits

Returns: Int8Array - Digest txBits

schnorr~signatureFragment(normalizeBundleFragment, keyFragment)

Param	Type	Description
normalizeBundleFragment	array	normalized bundle fragment
keyFragment	keyFragment	key fragment txBits

Returns: Uint8Array - Signature Fragment txBits

schnorr~validateSignatures(expectedAddress, signatureFragments, bundleHash)

Param	Type	Description
expectedAddress	string	Expected address txs
signatureFragments	array	Array of signatureFragments txs
bundleHash	string	Bundle hash txs

schnorr~normalizedBundleHash(bundlehash)

Param	Type	Description
bundlehash	Hash	Bundle hash txs

Normalizes the bundle hash, with resulting digits summing to zero.

Returns: Int8Array - Normalized bundle hash