Example module export for nodejs libraries

gistfile1.txt

var sjcl = require('sjcl');

var RNCryptor = {};

/*
    Takes password string and salt WordArray
    Returns key bitArray
*/

module.exports.KeyForPassword = RNCryptor.KeyForPassword = function(password, salt) {
  var hmacSHA1 = function (key) {
      var hasher = new sjcl.misc.hmac(key, sjcl.hash.sha1);
      this.encrypt = function () {
          return hasher.encrypt.apply(hasher, arguments);
      };
  };
  return sjcl.misc.pbkdf2(password, salt, 10000, 32 * 8, hmacSHA1);
}