js-libp2p-crypto/src/keys/importer.js

23 lines
724 B
JavaScript
Raw Normal View History

'use strict'
const multibase = require('multibase')
const ciphers = require('../ciphers/aes-gcm')
module.exports = {
/**
* Attempts to decrypt a base64 encoded PrivateKey string
* with the given password. The privateKey must have been exported
* using the same password and underlying cipher (aes-gcm)
*
* @param {string} privateKey A base64 encoded encrypted key
* @param {string} password
* @returns {Promise<Buffer>} The private key protobuf buffer
*/
import: async function (privateKey, password) {
const base64 = multibase.names.base64
const encryptedKey = base64.decode(privateKey)
const cipher = ciphers.create()
return await cipher.decrypt(encryptedKey, password)
}
}