01: /*
02: * Copyright 2005-2006 The Kuali Foundation.
03: *
04: *
05: * Licensed under the Educational Community License, Version 1.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.opensource.org/licenses/ecl1.php
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package edu.iu.uis.eden.security;
18:
19: import java.security.GeneralSecurityException;
20:
21: /**
22: * A service which allows for encryption and decryption of data.
23: *
24: * @author Kuali Rice Team (kuali-rice@googlegroups.com)
25: */
26: public interface EncryptionService {
27:
28: /**
29: * Encrypts a value
30: *
31: * @param valueToHide - original value
32: * @return encrypted value
33: * @throws GeneralSecurityException
34: */
35: public String encrypt(Object valueToHide)
36: throws GeneralSecurityException;
37:
38: /**
39: * Decrypts a value
40: *
41: * @param ciphertext - encrypted value
42: * @return decrypted value
43: * @throws GeneralSecurityException
44: */
45: public String decrypt(String ciphertext)
46: throws GeneralSecurityException;
47:
48: /**
49: * Returns true if encryption is enabled within KEW, false otherwise.
50: */
51: public boolean isEnabled();
52:
53: }
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