1 /**
2 * Copyright 2005-2016 The Kuali Foundation
3 *
4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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.kuali.rice.ksb.security;
17
18 import java.security.Signature;
19 import java.security.cert.Certificate;
20
21 import org.apache.commons.codec.binary.Base64;
22
23 /**
24 * An abstract implementation of a DigitalSigner which provides convienance utilities for storing a reference
25 * to the Signature and also generating and encoding the actual digital signature.
26 *
27 * @author Kuali Rice Team (rice.collab@kuali.org)
28 */
29 public abstract class AbstractDigitalSigner implements DigitalSigner {
30
31 private Signature signature;
32
33 public AbstractDigitalSigner(Signature signature) {
34 this.signature = signature;
35 }
36
37 public Signature getSignature() {
38 return this.signature;
39 }
40
41 protected byte[] getSignatureBytes() throws Exception {
42 return getSignature().sign();
43 }
44
45 protected String getEncodedSignature() throws Exception {
46 return new String(Base64.encodeBase64(getSignatureBytes()), "UTF-8");
47 }
48
49 protected String getEncodedCertificate(Certificate certificate) throws Exception {
50 return new String(Base64.encodeBase64(certificate.getEncoded()), "UTF-8");
51 }
52
53 }