function encrypt(text) {
if(!text || !options.cipher)
return text;
var key = _.isString(options.key) ? new Buffer(options.key,'hex') : options.key;
var cipher = crypto.createCipher(options.cipher, key);
var crypted = cipher.update(text, 'utf8', 'binary');
crypted += cipher.final('binary');
return base58.encode(new Buffer(crypted, 'binary'));
}
crypto.pbkdf2(password, salt, iterations, keylength, function(err, key) {
if(err)
return callback(err);
var res = ['pbkdf2', iterations, keylength, base58.encode(key), base58.encode(salt)].join(':');
callback(null, res);
})