https://github.com/alepop/ed25519-hd-key

🔐 Key Derivation for ed25519
https://github.com/alepop/ed25519-hd-key

bip32 bip44 crypto ed25519 javascript slip0010

Last synced: 8 months ago
JSON representation

🔐 Key Derivation for ed25519

• Host: GitHub
• URL: https://github.com/alepop/ed25519-hd-key
• Owner: alepop
• License: mit
• Created: 2017-12-14T21:13:11.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2025-08-21T16:07:03.000Z (10 months ago)
• Last Synced: 2025-09-21T15:48:30.298Z (9 months ago)
• Topics: bip32, bip44, crypto, ed25519, javascript, slip0010
• Language: TypeScript
• Homepage: https://www.npmjs.com/package/ed25519-hd-key
• Size: 1.08 MB
• Stars: 68
• Watchers: 3
• Forks: 29
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

Awesome Lists containing this project

README

          
[![BuyMeACoffee](https://raw.githubusercontent.com/pachadotdev/buymeacoffee-badges/main/bmc-yellow.svg)](https://www.buymeacoffee.com/alepop)

[![codecov](https://codecov.io/gh/alepop/ed25519-hd-key/branch/master/graph/badge.svg)](https://codecov.io/gh/alepop/ed25519-hd-key)

ed25519 HD Key

=====

Key Derivation for `ed25519`

------------

[SLIP-0010](https://github.com/satoshilabs/slips/blob/master/slip-0010.md) - Specification

Installation

------------

    npm i --save ed25519-hd-key

Usage

-----

**example:**

```js

const { derivePath, getMasterKeyFromSeed, getPublicKey } = require('ed25519-hd-key')

const hexSeed = 'fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542';

const { key, chainCode } = getMasterKeyFromSeed(hexSeed);

console.log(key.toString('hex'))

// => 2b4be7f19ee27bbf30c667b642d5f4aa69fd169872f8fc3059c08ebae2eb19e7

console.log(chainCode.toString('hex'));

// => 90046a93de5380a72b5e45010748567d5ea02bbf6522f979e05c0d8d8ca9fffb

const { key, chainCode} = derivePath("m/0'/2147483647'", hexSeed);

console.log(key.toString('hex'))

// => ea4f5bfe8694d8bb74b7b59404632fd5968b774ed545e810de9c32a4fb4192f4

console.log(chainCode.toString('hex'));

// => 138f0b2551bcafeca6ff2aa88ba8ed0ed8de070841f0c4ef0165df8181eaad7f

console.log(getPublicKey(key).toString('hex'))

// => 005ba3b9ac6e90e83effcd25ac4e58a1365a9e35a3d3ae5eb07b9e4d90bcf7506d

```

Tests

-----

```

npm test

```

References

----------

[SLIP-0010](https://github.com/satoshilabs/slips/blob/master/slip-0010.md)

[BIP-0032](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)

[BIP-0044](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki)