DES implementation in pure javascript

 This modules provides implementation of DES encryption algorithm
 in javascript.
 .
 The Data Encryption Standard (DES) is a symmetric-key algorithm for
 the encryption of electronic data. Although now considered insecure,
 it is implemented in standard cryptographic library implemented in
 Node.js.
 .
 This pure javascript module is needed for browserify compatibility
 layer of Node.js API.
 .
 Node.js is an event-based server-side JavaScript engine.