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.hamcrest.CoreMatchers.equalTo;
26 import static org.hamcrest.CoreMatchers.not;
27 import static org.junit.Assert.assertEquals;
28 import static org.junit.Assert.assertFalse;
29 import static org.junit.Assert.assertNull;
30 import static org.junit.Assert.assertThat;
31 import static org.junit.Assert.assertTrue;
33 import org.junit.BeforeClass;
34 import org.junit.Test;
35 import org.onap.aaf.cadi.Hash;
37 public class JU_Hash {
38 // Some common test vectors
39 private String quickBrownFoxVector = "The quick brown fox jumps over the lazy dog";
40 private String quickBrownFoxMD5 = "0x9e107d9d372bb6826bd81d3542a419d6";
41 private String quickBrownFoxSHA256 = "0xd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592";
43 private String emptyVector = "";
44 private String emptyMD5 = "0xd41d8cd98f00b204e9800998ecf8427e";
45 private String emptySHA256 = "0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
48 private byte[] same1 = "this is a twin".getBytes();
49 private byte[] same2 = "this is a twin".getBytes();
50 private byte[] different1 = "guvf vf n gjva".getBytes();
51 private byte[] different2 = "this is an only child".getBytes();
54 private String uppersDec = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
55 private String uppersHex1 = "0x4142434445464748494A4B4C4D4E4F505152535455565758595A";
56 private String uppersHex2 = "0x4142434445464748494a4b4c4d4e4f505152535455565758595a";
57 private String uppersHexNo0x1 = "4142434445464748494a4b4c4d4e4f505152535455565758595a";
58 private String uppersHexNo0x2 = "4142434445464748494A4B4C4D4E4F505152535455565758595A";
60 private String lowersDec = "abcdefghijklmnopqrstuvwxyz";
61 private String lowersHex = "0x6162636465666768696a6b6c6d6e6f707172737475767778797a";
62 private String lowersHexNo0x1 = "6162636465666768696a6b6c6d6e6f707172737475767778797a";
63 private String lowersHexNo0x2 = "6162636465666768696A6B6C6D6E6F707172737475767778797A";
65 private String numbersDec = "1234567890";
66 private String numbersHex = "0x31323334353637383930";
67 private String numbersHexNo0x = "31323334353637383930";
69 @SuppressWarnings("unused")
71 public static void getCoverage() {
72 // All of this class's methods are static, so we never need to instantiate an object.
73 // That said, we can't get 100% coverage unless we instantiate one
74 Hash hash = new Hash();
78 public void hashMD5Test() throws Exception {
79 byte[] output = Hash.hashMD5(quickBrownFoxVector.getBytes());
80 assertEquals(quickBrownFoxMD5, new String(Hash.toHex(output)));
82 output = Hash.hashMD5(emptyVector.getBytes());
83 assertEquals(emptyMD5, new String(Hash.toHex(output)));
87 public void hashMD5WithOffsetTest() throws Exception {
88 byte[] output = Hash.hashMD5(quickBrownFoxVector.getBytes(), 0, quickBrownFoxVector.length());
89 assertEquals(quickBrownFoxMD5, new String(Hash.toHex(output)));
91 output = Hash.hashMD5(emptyVector.getBytes(), 0, emptyVector.length());
92 assertEquals(emptyMD5, new String(Hash.toHex(output)));
96 public void hashMD5AsStringHexTest() throws Exception {
97 String output = Hash.hashMD5asStringHex(quickBrownFoxVector);
98 assertEquals(quickBrownFoxMD5, output);
100 output = Hash.hashMD5asStringHex(emptyVector);
101 assertEquals(emptyMD5, output);
105 public void hashSHA256Test() throws Exception {
106 byte[] output = Hash.hashSHA256(quickBrownFoxVector.getBytes());
107 assertEquals(quickBrownFoxSHA256, new String(Hash.toHex(output)));
109 output = Hash.hashSHA256(emptyVector.getBytes());
110 assertEquals(emptySHA256, new String(Hash.toHex(output)));
114 public void hashSHA256WithOffsetTest() throws Exception {
115 byte[] output = Hash.hashSHA256(quickBrownFoxVector.getBytes(), 0, quickBrownFoxVector.length());
116 assertEquals(quickBrownFoxSHA256, new String(Hash.toHex(output)));
118 output = Hash.hashSHA256(emptyVector.getBytes(), 0, emptyVector.length());
119 assertEquals(emptySHA256, new String(Hash.toHex(output)));
123 public void hashSHA256AsStringHexTest() throws Exception {
124 String output = Hash.hashSHA256asStringHex(quickBrownFoxVector);
125 assertEquals(quickBrownFoxSHA256, output);
127 output = Hash.hashSHA256asStringHex(emptyVector);
128 assertEquals(emptySHA256, output);
132 public void hashSaltySHA256AsStringHexTest() throws Exception {
133 String input = "password";
134 String hash1 = Hash.hashSHA256asStringHex(input, 10);
135 String hash2 = Hash.hashSHA256asStringHex(input, 10);
136 String hash3 = Hash.hashSHA256asStringHex(input, 11);
138 assertEquals(hash1, hash2);
139 assertThat(hash1, not(equalTo(hash3)));
143 public void isEqualTest() throws Exception {
144 assertTrue(Hash.isEqual(same1, same2));
145 assertFalse(Hash.isEqual(same1, different1));
146 assertFalse(Hash.isEqual(same1, different2));
150 public void compareToTest() throws Exception {
151 assertEquals(0, Hash.compareTo(same1, same2));
152 // different1 is rot13(same1), so the difference should be 13
153 assertEquals(13, Hash.compareTo(same1, different1));
154 assertEquals(-78, Hash.compareTo(same1, different2));
158 public void toHexNo0xTest() throws Exception {
159 assertEquals(uppersHexNo0x1, Hash.toHexNo0x(uppersDec.getBytes()));
160 assertEquals(lowersHexNo0x1, Hash.toHexNo0x(lowersDec.getBytes()));
161 assertEquals(numbersHexNo0x, Hash.toHexNo0x(numbersDec.getBytes()));
165 public void toHexTest() throws Exception {
166 assertEquals(uppersHex2, Hash.toHex(uppersDec.getBytes()));
167 assertEquals(lowersHex, Hash.toHex(lowersDec.getBytes()));
168 assertEquals(numbersHex, Hash.toHex(numbersDec.getBytes()));
172 public void toHexWithOffset() throws Exception {
173 assertEquals(uppersHex2, Hash.toHex(uppersDec.getBytes(), 0, uppersDec.length()));
174 assertEquals(lowersHex, Hash.toHex(lowersDec.getBytes(), 0, lowersDec.length()));
175 assertEquals(numbersHex, Hash.toHex(numbersDec.getBytes(), 0, numbersDec.length()));
179 public void fromHexTest() throws Exception {
180 assertEquals(uppersDec, new String(Hash.fromHex(uppersHex1)));
181 assertEquals(lowersDec, new String(Hash.fromHex(lowersHex)));
182 assertEquals(numbersDec, new String(Hash.fromHex(numbersHex)));
184 // This string doesn't begin with "0x"
185 assertNull(Hash.fromHex("0X65"));
187 // This string has invalid hex characters
188 assertNull(Hash.fromHex("0xQ"));
192 public void fromHexNo0xTest() throws Exception {
193 assertEquals(uppersDec, new String(Hash.fromHexNo0x(uppersHexNo0x1)));
194 assertEquals(lowersDec, new String(Hash.fromHexNo0x(lowersHexNo0x1)));
195 assertEquals(uppersDec, new String(Hash.fromHexNo0x(uppersHexNo0x2)));
196 assertEquals(lowersDec, new String(Hash.fromHexNo0x(lowersHexNo0x2)));
197 byte[] output = Hash.fromHexNo0x("ABC");
198 assertEquals(new String(new byte[] {(byte)0x0A, (byte)0xBC}), new String(output));
199 assertNull(Hash.fromHexNo0x("~~"));
203 public void aaf_941() throws Exception {
204 // User notes: From reported error "aaf" not coded right for odd digits
205 // Note: In the original concept, this isn't a valid Hex digit. It has to do with whether to assume an initial
206 // char of "0" if left out.
208 String sample = "aaf";
209 byte[] bytes = Hash.fromHexNo0x(sample);
210 String back = Hash.toHexNo0x(bytes);
211 // Note: We don't presume to know that someone left off leading 0 on start.
212 assertEquals("0aaf", back);
215 bytes = Hash.fromHex(sample);
216 back = Hash.toHex(bytes);
217 assertEquals(sample, back);
219 // Assumed leading zero. Note, we ALWAYS translate back with leading zero.
220 bytes = Hash.fromHex("0xaaf");
221 back = Hash.toHex(bytes);
222 assertEquals(sample, back);