1 /*******************************************************************************
2 * ============LICENSE_START====================================================
4 * * ===========================================================================
5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * * ===========================================================================
7 * * Licensed under the Apache License, Version 2.0 (the "License");
8 * * you may not use this file except in compliance with the License.
9 * * You may obtain a copy of the License at
11 * * http://www.apache.org/licenses/LICENSE-2.0
13 * * Unless required by applicable law or agreed to in writing, software
14 * * distributed under the License is distributed on an "AS IS" BASIS,
15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * * See the License for the specific language governing permissions and
17 * * limitations under the License.
18 * * ============LICENSE_END====================================================
21 ******************************************************************************/
23 package org.onap.aaf.cadi.test;
25 import static org.junit.Assert.*;
26 import static org.hamcrest.CoreMatchers.*;
28 import java.io.ByteArrayInputStream;
29 import java.io.ByteArrayOutputStream;
30 import java.io.IOException;
31 import java.security.SecureRandom;
33 import org.junit.Test;
34 import org.onap.aaf.cadi.Symm;
35 import org.onap.aaf.cadi.config.Config;
37 public class JU_Base64 {
38 private static final String encoding = "Man is distinguished, not only by his reason, but by this singular " +
39 "passion from other animals, which is a lust of the mind, that by a " +
40 "perseverance of delight in the continued and indefatigable generation of " +
41 "knowledge, exceeds the short vehemence of any carnal pleasure.";
43 private static final String expected =
44 "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\n" +
45 "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\n" +
46 "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\n" +
47 "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\n" +
48 "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=";
51 public void test() throws Exception {
52 // Test with different Padding
53 assertEncoded("leas", "bGVhcw==");
54 assertEncoded("leasu", "bGVhc3U=");
55 assertEncoded("leasur", "bGVhc3Vy");
56 assertEncoded("leasure", "bGVhc3VyZQ==");
57 assertEncoded("leasure.", "bGVhc3VyZS4=");
59 // Test with line ends
60 assertEncoded(encoding, expected);
64 public void symmetric() throws IOException {
65 String symmetric = new String(Symm.keygen());
66 Symm bsym = Symm.obtain(symmetric);
67 String result = bsym.encode(encoding);
68 assertThat(bsym.decode(result), is(encoding));
70 char[] manipulate = symmetric.toCharArray();
71 int spot = new SecureRandom().nextInt(manipulate.length);
72 manipulate[spot]|=0xFF;
73 String newsymmetric = new String(manipulate);
74 assertThat(symmetric, is(not(newsymmetric)));
76 bsym = Symm.obtain(newsymmetric);
77 result = bsym.decode(result);
78 assertThat(result, is(encoding));
79 } catch (IOException e) {
80 // this is what we want to see if key wrong
84 private void assertEncoded(String toEncode, String expected) throws IOException {
85 String result = Symm.base64.encode(toEncode);
86 assertThat(result, is(expected));
87 ByteArrayOutputStream baos = new ByteArrayOutputStream();
88 Symm.base64.decode(new ByteArrayInputStream(result.getBytes()), baos);
89 result = baos.toString(Config.UTF_8);
90 assertThat(result, is(toEncode));