@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