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@stricahq/bip32ed25519

v1.1.0

Published

Pure javascript implementation of Bip32Ed25519, used for Cardano blockchain key pair.

Downloads

37,701

Readme

Bip32Ed25519

Pure javascript implementation of Bip32Ed25519, used for Cardano blockchain key pair.

  • Create extended keys with Bip39 mnemonic entropy
  • Soft and hard derivation
  • Derive keys with user friendly API
  • Sign and verify data

Installation

yarn/npm

yarn add @stricahq/bip32ed25519

Browser

<script src="[use jsDelivr or Unpkg]"></script>

// access bip32ed25519 global variable

Usage Example

import { Bip32PrivateKey } from "@stricahq/bip32ed25519";

... // Bip39 entropy from mnemonics
const rootKey = await Bip32PrivateKey.fromEntropy(entropy);
...

// hardened derivation
const accountKey = rootKey
      .derive(2147483648 + 1852) // purpose
      .derive(2147483648 + 1815) // coin type
      .derive(2147483648 + 0); // account index

const spendingKey = accountKey
      .derive(0) // chain
      .derive(0) // payment key index
      .toPrivateKey();

const pubKey = spendingKey
      .toPublicKey()
      .toBytes();

Checkout tests and API doc for more details

API Doc

Find the API documentation here

Used by

Typhon Wallet

License

Copyright 2021 Strica

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.