caesar/key.js

An easy-to-use advanced cryptography library.

// Generated by CoffeeScript 1.7.1
(function() {
  var crypto, fs, salt, ursa;

  fs = require('fs');

  crypto = require('crypto');

  ursa = require('ursa');

  salt = 'lK4qA0RY8TRMq8duxRup';

  exports.createRandom = function(bytes, cb) {
    if (bytes == null) {
      bytes = 48;
    }
    return crypto.randomBytes(bytes, cb);
  };

  exports.createPrivate = function(bytes, exp) {
    if (bytes == null) {
      bytes = 256;
    }
    if (exp == null) {
      exp = 65537;
    }
    return ursa.generatePrivateKey(bytes * 8, exp);
  };

  exports.fromPassword = function(password, bytes, cb) {
    if (bytes == null) {
      bytes = 32;
    }
    return crypto.pbkdf2(password, salt, 4096, bytes, cb);
  };

  exports.fromPasswordSync = function(password, bytes) {
    if (bytes == null) {
      bytes = 32;
    }
    return crypto.pbkdf2Sync(password, salt, 4096, bytes);
  };

  exports.loadPublicKey = function(loc, cb) {
    return fs.readFile(loc, function(err, data) {
      if (err != null) {
        return cb(err, null);
      } else {
        return cb(null, ursa.createPublicKey(data));
      }
    });
  };

  exports.loadPublicKeySync = function(loc) {
    var data;
    data = fs.readFileSync(loc);
    return ursa.createPublicKey(data);
  };

  exports.loadPrivateKey = function(loc, cb) {
    return fs.readFile(loc, function(err, data) {
      if (err != null) {
        return cb(err, null);
      } else {
        return cb(null, ursa.createPrivateKey(data));
      }
    });
  };

  exports.loadPrivateKeySync = function(loc) {
    var data;
    data = fs.readFileSync(loc);
    return ursa.createPrivateKey(data);
  };

}).call(this);