40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
import { store } from '../api_deps.js'
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import { stateAwait } from './utils/stateAwait.js'
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import { Sha512 } from 'asmcrypto.js'
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import utils from '../api/deps/utils.js'
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export const kdf = async (seed, salt, status = () => { }) => {
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const state = store.getState()
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const config = state.config
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const workers = state.app.workers.workers
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status('Waiting for workers to be ready')
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await stateAwait(state => state.app.workers.ready)
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status('Deriving key parts')
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salt = new Uint8Array(salt)
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const seedParts = await Promise.all(workers.map((worker, index) => {
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const nonce = index
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return worker.request('kdf', {
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key: seed,
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salt,
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nonce,
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staticSalt: config.crypto.staticSalt,
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staticBcryptSalt: config.crypto.staticBcryptSalt
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}).then(data => {
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let jsonData
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try {
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jsonData = JSON.parse(data)
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data = jsonData
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} catch (e) {
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// ...
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}
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if (seed !== data.key) throw new Error('Error, incorrect key. ' + seed + ' !== ' + data.key)
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if (nonce !== data.nonce) throw new Error('Error, incorrect nonce')
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return data.result
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})
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}))
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status('Combining key parts')
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const result = new Sha512().process(utils.stringtoUTF8Array(config.crypto.staticSalt + seedParts.reduce((a, c) => a + c))).finish().result
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status('Key is ready ')
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return result
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}
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