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1   /*
2    * Copyright (C) 2007-2012 Argeo GmbH
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *         http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.argeo.api.security;
17  
18  import java.io.InputStream;
19  
20  /**
21   * Access to private (typically encrypted) data. The keyring is responsible for
22   * retrieving the necessary credentials. <b>Experimental. This API may
23   * change.</b>
24   */
25  public interface Keyring {
26  	/**
27  	 * Returns the confidential information as chars. Must ask for it if it is
28  	 * not stored.
29  	 */
30  	public char[] getAsChars(String path);
31  
32  	/**
33  	 * Returns the confidential information as a stream. Must ask for it if it
34  	 * is not stored.
35  	 */
36  	public InputStream getAsStream(String path);
37  
38  	public void set(String path, char[] arr);
39  
40  	public void set(String path, InputStream in);
41  }