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Convert pbkdf2.js to ts

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This commit is contained in:
RMidhunSuresh 2021-11-17 14:24:30 +05:30
parent 6c2aa1bf61
commit a945edfe07
1 changed files with 6 additions and 4 deletions
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10
src/utils/crypto/pbkdf2.js → src/utils/crypto/pbkdf2.ts
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@ -6,17 +6,19 @@
* Based on https://github.com/junkurihara/jscu/blob/develop/packages/js-crypto-pbkdf/src/pbkdf.ts
*/
import type {Crypto} from "../../platform/web/dom/Crypto.js";
// not used atm, but might in the future
// forked this code to make it use the cryptoDriver for HMAC that is more backwards-compatible
const nwbo = (num, len) => {
const nwbo = (num: number, len: number): Uint8Array => {
const arr = new Uint8Array(len);
for(let i=0; i<len; i++) arr[i] = 0xFF && (num >> ((len - i - 1)*8));
return arr;
};
export async function pbkdf2(cryptoDriver, password, iterations, salt, hash, length) {
export async function pbkdf2(cryptoDriver: Crypto, password: Uint8Array, iterations: number, salt: Uint8Array, hash: string, length: number): Promise<Uint8Array> {
const dkLen = length / 8;
if (iterations <= 0) {
throw new Error('InvalidIterationCount');
@ -30,7 +32,7 @@ export async function pbkdf2(cryptoDriver, password, iterations, salt, hash, len
const l = Math.ceil(dkLen/hLen);
const r = dkLen - (l-1)*hLen;
const funcF = async (i) => {
const funcF = async (i: number) => {
const seed = new Uint8Array(salt.length + 4);
seed.set(salt);
seed.set(nwbo(i+1, 4), salt.length);
@ -46,7 +48,7 @@ export async function pbkdf2(cryptoDriver, password, iterations, salt, hash, len
return {index: i, value: outputF};
};
const Tis = [];
const Tis: Promise<{index: number, value: Uint8Array}>[] = [];
const DK = new Uint8Array(dkLen);
for(let i = 0; i < l; i++) {
Tis.push(funcF(i));