'use strict'; var path = require('path'); var fork = require('./meta/debugFork'); exports.hash = function (rounds, password, callback) { forkChild({ type: 'hash', rounds: rounds, password: password }, callback); }; exports.compare = function (password, hash, callback) { if (!hash || !password) { return setImmediate(callback, null, false); } forkChild({ type: 'compare', password: password, hash: hash }, callback); }; function forkChild(message, callback) { var child = fork(path.join(__dirname, 'bcrypt')); child.on('message', function (msg) { if (msg.err) { return callback(new Error(msg.err)); } callback(null, msg.result); }); child.send(message); }