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Verify the hash over a worker

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This commit is contained in:
Vishnu Mohandas 2020-10-01 17:17:13 +05:30
parent 8b41415408
commit 906e3cfc4a
1 changed files with 6 additions and 1 deletions
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7
src/pages/credentials/index.tsx
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@ -12,6 +12,10 @@ import * as Yup from 'yup';
import { keyAttributes } from 'types';
import { setKey, SESSION_KEYS, getKey } from 'utils/storage/sessionStorage';
import * as libsodium from 'utils/crypto/libsodium';
import * as Comlink from "comlink";
const CryptoWorker = typeof window !== 'undefined'
&& Comlink.wrap(new Worker("worker/crypto.worker.js", { type: 'module' }));
const Image = styled.img`
width: 200px;
@ -47,11 +51,12 @@ export default function Credentials() {
const verifyPassphrase = async (values: formValues, { setFieldError }: FormikHelpers<formValues>) => {
setLoading(true);
try {
const cryptoWorker = await new CryptoWorker();
const { passphrase } = values;
const kek = await libsodium.deriveKey(await libsodium.fromString(passphrase),
await libsodium.fromB64(keyAttributes.kekSalt));
if (await libsodium.verifyHash(keyAttributes.kekHash, kek)) {
if (await cryptoWorker.verifyHash(keyAttributes.kekHash, kek)) {
const key = await libsodium.decrypt(
await libsodium.fromB64(keyAttributes.encryptedKey),
await libsodium.fromB64(keyAttributes.keyDecryptionNonce),