@udia/shamir

Shamir's Secret Sharing implemented in TypeScript.

Example

npm i @udia/shamir
# or
yarn add @udia/shamir

import { split, join } from '@udia/shamir'

const secret = crypto.getRandomValues(new Uint8Array(16))

// generate an object { 1: subPart1, 2: subPart2, 3: subPart3, 4: subPart4 }
const parts = split(4, 2, secret)
const derived = join({ 1: parts[1], 3: parts[3] })

console.log(secret === derived)
// true

License

AGPL-3.0

Copyright (C) 2021-2022 Alexander Wong <[email protected]>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.