@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)

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

* ~digests(key)

* ~address(digests)

* ~digest(normalizedBundleFragment, signatureFragment)

* ~signatureFragment(normalizeBundleFragment, keyFragment)

* ~validateSignatures(expectedAddress, signatureFragments, bundleHash)

* ~normalizedBundleHash(bundlehash)

$3

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

$3

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

$3

| Param | Type | Description |
| --- | --- | --- |
| key | Uint8Array | Private key txBits |

$3

| Param | Type | Description |
| --- | --- | --- |
| digests | Int8Array | Digests txBits |

Returns: Int8Array - Address txBits

$3

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

Returns: Int8Array - Digest txBits

$3

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

Returns: Uint8Array - Signature Fragment txBits

$3

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

$3

| Param | Type | Description |
| --- | --- | --- |
| bundlehash | Hash | Bundle hash txs |

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

Returns: Int8Array - Normalized bundle hash