text: /*
   * Copyright 2017 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /* global glowroot */
  
  glowroot.factory('encryptionKeyMessage', [
    function () {
      function extra() {
        var message = '\n\ncassandra.symmetricEncryptionKey can be any 32 character hex string';
        if (window.crypto && window.crypto.getRandomValues) {
          var symmetricEncryptionKey = '';
          var array = new Uint32Array(4);
          window.crypto.getRandomValues(array);
          for (var i = 0; i < array.length; i++) {
            var hex = array[i].toString(16);
            symmetricEncryptionKey += ('0000000' + hex).slice(-8); // zero padding if needed;
          }
          return message + ', e.g. here\'s one generated right now in your browser that you could use: '
              + symmetricEncryptionKey;
        } else {
          return message;
        }
      }
  
      return {
        extra: extra
      };
    }
  ]);
  