Hydro/hydro/lib/pwhash.js

const crypto = require('crypto');

module.exports = {
    _b64encode: (str) => Buffer.from(str).toString('base64'),
    _b64decode: (str) => Buffer.from(str, 'base64').toString(),
    _md5: (str) => crypto.createHash('md5').update(str).digest('hex'),
    _sha1: (str) => crypto.createHash('sha1').update(str).digest('hex'),
    /**
     * @param {string} password
     * @param {string} salt
     * @param {string} hash
     */
    check(password, salt, hash) {
        return hash === this.hash(password, salt);
    },
    /**
     * @param {string} password
     * @param {string} salt
     */
    hash(password, salt) {
        const res = crypto.pbkdf2Sync(password, salt, 100000, 64, 'sha256');
        return res.toString('Hex');
    },
    salt() {
        return String.random();
    },
};