Source: encrypt/decrypt-key.js

  1. /**
  2.  * Copyright (C) 2015-2018 Regents of the University of California.
  3.  * @author: Jeff Thompson <jefft0@remap.ucla.edu>
  4.  * @author: From ndn-group-encrypt src/decrypt-key https://github.com/named-data/ndn-group-encrypt
  5.  *
  6.  * This program is free software: you can redistribute it and/or modify
  7.  * it under the terms of the GNU Lesser General Public License as published by
  8.  * the Free Software Foundation, either version 3 of the License, or
  9.  * (at your option) any later version.
  10.  *
  11.  * This program is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.  * GNU Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public License
  17.  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18.  * A copy of the GNU Lesser General Public License is in the file COPYING.
  19.  */
  21. /** @ignore */
  22. var Blob = require('../util/blob.js').Blob;
  24. /**
  25.  * A DecryptKey supplies the key for decrypt.
  26.  * Create a DecryptKey with the given key value.
  27.  * @param {Blob|DecryptKey} value If value is another DecryptKey then copy it.
  28.  * Otherwise, value is the key value.
  29.  * @note This class is an experimental feature. The API may change.
  30.  * @constructor
  31.  */
  32. var DecryptKey = function DecryptKey(value)
  33. {
  34.   if (typeof value === 'object' && value instanceof DecryptKey) {
  35.     // Make a deep copy.
  36.     this.keyBits_ = value.keyBits_;
  37.   }
  38.   else {
  39.     var keyBits = value;
  40.     this.keyBits_ = typeof keyBits === 'object' && keyBits instanceof Blob ?
  41.       keyBits : new Blob(keyBits);
  42.   }
  43. };
  45. exports.DecryptKey = DecryptKey;
  47. /**
  48.  * Get the key value.
  49.  * @return {Blob} The key value.
  50.  */
  51. DecryptKey.prototype.getKeyBits = function() { return this.keyBits_; };