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ethereum-private-key-to-public-key

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Convert an Ethereum private key to a public key

Package Exports

  • ethereum-private-key-to-public-key

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (ethereum-private-key-to-public-key) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

ethereum-private-key-to-public-key

Convert an Ethereum private key to a public key

License NPM version

Demo

https://lab.miguelmota.com/ethereum-private-key-to-public-key

Install

npm install ethereum-private-key-to-public-key

Getting started

const privateKeyToPublicKey = require('ethereum-private-key-to-public-key')

console.log(privateKeyToPublicKey(Buffer.from('4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d', 'hex')).toString('hex')) // '04e68acfc0253a10620dff706b0a1b1f1f5833ea3beb3bde2250d5f271f3563606672ebc45e0b7ea2e816ecb70ca03137b1c9476eec63d4632e990020b7b6fba39'
console.log(privateKeyToPublicKey('4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d').toString('hex')) // '04e68acfc0253a10620dff706b0a1b1f1f5833ea3beb3bde2250d5f271f3563606672ebc45e0b7ea2e816ecb70ca03137b1c9476eec63d4632e990020b7b6fba39'
console.log(privateKeyToPublicKey('0x4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d').toString('hex')) // '04e68acfc0253a10620dff706b0a1b1f1f5833ea3beb3bde2250d5f271f3563606672ebc45e0b7ea2e816ecb70ca03137b1c9476eec63d4632e990020b7b6fba39'

CLI

Install:

npm install -g ethereum-private-key-to-public-key

Convert private key to public key:

$ ethereum_private_key_to_public_key 4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d

04e68acfc0253a10620dff706b0a1b1f1f5833ea3beb3bde2250d5f271f3563606672ebc45e0b7ea2e816ecb70ca03137b1c9476eec63d4632e990020b7b6fba39

Piping private key example:

$ echo 4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d | ethereum_private_key_to_public_key

04e68acfc0253a10620dff706b0a1b1f1f5833ea3beb3bde2250d5f271f3563606672ebc45e0b7ea2e816ecb70ca03137b1c9476eec63d4632e990020b7b6fba39

Test

npm test

License

MIT