| import { pbkdf2 as pbkdf2Callback, randomBytes, timingSafeEqual } from "node:crypto"; |
| import { promisify } from "node:util"; |
|
|
| const pbkdf2 = promisify(pbkdf2Callback); |
| const iterations = 310_000; |
|
|
| export function validatePassword(password: string) { |
| return password.length >= 10 && /[a-z]/.test(password) && /[A-Z]/.test(password) && /\d/.test(password); |
| } |
|
|
| export async function hashPassword(password: string) { |
| const salt = randomBytes(16); |
| const hash = await pbkdf2(password, salt, iterations, 32, "sha256"); |
| return `pbkdf2_sha256$${iterations}$${salt.toString("base64url")}$${hash.toString("base64url")}`; |
| } |
|
|
| export async function verifyPassword(password: string, stored: string) { |
| const [algorithm, roundsValue, saltValue, hashValue] = stored.split("$"); |
| const rounds = Number(roundsValue); |
| if (algorithm !== "pbkdf2_sha256" || !Number.isInteger(rounds) || rounds < 100_000 || !saltValue || !hashValue) return false; |
| const expected = Buffer.from(hashValue, "base64url"); |
| const actual = await pbkdf2(password, Buffer.from(saltValue, "base64url"), rounds, expected.length, "sha256"); |
| return expected.length === actual.length && timingSafeEqual(expected, actual); |
| } |
|
|
