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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.ccsdk
* * ===========================================================================
* * Copyright © 2023 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* * ============LICENSE_END====================================================
* *
* *
******************************************************************************/
package org.onap.ccsdk.apps.cadi.test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.ccsdk.apps.cadi.Hash;
public class JU_Hash {
// Some common test vectors
private String quickBrownFoxVector = "The quick brown fox jumps over the lazy dog";
private String quickBrownFoxMD5 = "0x9e107d9d372bb6826bd81d3542a419d6";
private String quickBrownFoxSHA256 = "0xd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592";
private String emptyVector = "";
private String emptyMD5 = "0xd41d8cd98f00b204e9800998ecf8427e";
private String emptySHA256 = "0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
private byte[] same1 = "this is a twin".getBytes();
private byte[] same2 = "this is a twin".getBytes();
private byte[] different1 = "guvf vf n gjva".getBytes();
private byte[] different2 = "this is an only child".getBytes();
private String uppersDec = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
private String uppersHex1 = "0x4142434445464748494A4B4C4D4E4F505152535455565758595A";
private String uppersHex2 = "0x4142434445464748494a4b4c4d4e4f505152535455565758595a";
private String uppersHexNo0x1 = "4142434445464748494a4b4c4d4e4f505152535455565758595a";
private String uppersHexNo0x2 = "4142434445464748494A4B4C4D4E4F505152535455565758595A";
private String lowersDec = "abcdefghijklmnopqrstuvwxyz";
private String lowersHex = "0x6162636465666768696a6b6c6d6e6f707172737475767778797a";
private String lowersHexNo0x1 = "6162636465666768696a6b6c6d6e6f707172737475767778797a";
private String lowersHexNo0x2 = "6162636465666768696A6B6C6D6E6F707172737475767778797A";
private String numbersDec = "1234567890";
private String numbersHex = "0x31323334353637383930";
private String numbersHexNo0x = "31323334353637383930";
@SuppressWarnings("unused")
@BeforeClass
public static void getCoverage() {
// All of this class's methods are static, so we never need to instantiate an object.
// That said, we can't get 100% coverage unless we instantiate one
Hash hash = new Hash();
}
@Test
public void hashMD5Test() throws Exception {
byte[] output = Hash.hashMD5(quickBrownFoxVector.getBytes());
assertEquals(quickBrownFoxMD5, new String(Hash.toHex(output)));
output = Hash.hashMD5(emptyVector.getBytes());
assertEquals(emptyMD5, new String(Hash.toHex(output)));
}
@Test
public void hashMD5WithOffsetTest() throws Exception {
byte[] output = Hash.hashMD5(quickBrownFoxVector.getBytes(), 0, quickBrownFoxVector.length());
assertEquals(quickBrownFoxMD5, new String(Hash.toHex(output)));
output = Hash.hashMD5(emptyVector.getBytes(), 0, emptyVector.length());
assertEquals(emptyMD5, new String(Hash.toHex(output)));
}
@Test
public void hashMD5AsStringHexTest() throws Exception {
String output = Hash.hashMD5asStringHex(quickBrownFoxVector);
assertEquals(quickBrownFoxMD5, output);
output = Hash.hashMD5asStringHex(emptyVector);
assertEquals(emptyMD5, output);
}
@Test
public void hashSHA256Test() throws Exception {
byte[] output = Hash.hashSHA256(quickBrownFoxVector.getBytes());
assertEquals(quickBrownFoxSHA256, new String(Hash.toHex(output)));
output = Hash.hashSHA256(emptyVector.getBytes());
assertEquals(emptySHA256, new String(Hash.toHex(output)));
}
@Test
public void hashSHA256WithOffsetTest() throws Exception {
byte[] output = Hash.hashSHA256(quickBrownFoxVector.getBytes(), 0, quickBrownFoxVector.length());
assertEquals(quickBrownFoxSHA256, new String(Hash.toHex(output)));
output = Hash.hashSHA256(emptyVector.getBytes(), 0, emptyVector.length());
assertEquals(emptySHA256, new String(Hash.toHex(output)));
}
@Test
public void hashSHA256AsStringHexTest() throws Exception {
String output = Hash.hashSHA256asStringHex(quickBrownFoxVector);
assertEquals(quickBrownFoxSHA256, output);
output = Hash.hashSHA256asStringHex(emptyVector);
assertEquals(emptySHA256, output);
}
@Test
public void hashSaltySHA256AsStringHexTest() throws Exception {
String input = "password";
String hash1 = Hash.hashSHA256asStringHex(input, 10);
String hash2 = Hash.hashSHA256asStringHex(input, 10);
String hash3 = Hash.hashSHA256asStringHex(input, 11);
assertEquals(hash1, hash2);
assertThat(hash1, not(equalTo(hash3)));
}
@Test
public void isEqualTest() throws Exception {
assertTrue(Hash.isEqual(same1, same2));
assertFalse(Hash.isEqual(same1, different1));
assertFalse(Hash.isEqual(same1, different2));
}
@Test
public void compareToTest() throws Exception {
assertEquals(0, Hash.compareTo(same1, same2));
// different1 is rot13(same1), so the difference should be 13
assertEquals(13, Hash.compareTo(same1, different1));
assertEquals(-78, Hash.compareTo(same1, different2));
}
@Test
public void toHexNo0xTest() throws Exception {
assertEquals(uppersHexNo0x1, Hash.toHexNo0x(uppersDec.getBytes()));
assertEquals(lowersHexNo0x1, Hash.toHexNo0x(lowersDec.getBytes()));
assertEquals(numbersHexNo0x, Hash.toHexNo0x(numbersDec.getBytes()));
}
@Test
public void toHexTest() throws Exception {
assertEquals(uppersHex2, Hash.toHex(uppersDec.getBytes()));
assertEquals(lowersHex, Hash.toHex(lowersDec.getBytes()));
assertEquals(numbersHex, Hash.toHex(numbersDec.getBytes()));
}
@Test
public void toHexWithOffset() throws Exception {
assertEquals(uppersHex2, Hash.toHex(uppersDec.getBytes(), 0, uppersDec.length()));
assertEquals(lowersHex, Hash.toHex(lowersDec.getBytes(), 0, lowersDec.length()));
assertEquals(numbersHex, Hash.toHex(numbersDec.getBytes(), 0, numbersDec.length()));
}
@Test
public void fromHexTest() throws Exception {
assertEquals(uppersDec, new String(Hash.fromHex(uppersHex1)));
assertEquals(lowersDec, new String(Hash.fromHex(lowersHex)));
assertEquals(numbersDec, new String(Hash.fromHex(numbersHex)));
// This string doesn't begin with "0x"
assertNull(Hash.fromHex("0X65"));
// This string has invalid hex characters
assertNull(Hash.fromHex("0xQ"));
}
@Test
public void fromHexNo0xTest() throws Exception {
assertEquals(uppersDec, new String(Hash.fromHexNo0x(uppersHexNo0x1)));
assertEquals(lowersDec, new String(Hash.fromHexNo0x(lowersHexNo0x1)));
assertEquals(uppersDec, new String(Hash.fromHexNo0x(uppersHexNo0x2)));
assertEquals(lowersDec, new String(Hash.fromHexNo0x(lowersHexNo0x2)));
byte[] output = Hash.fromHexNo0x("ABC");
assertEquals(new String(new byte[] {(byte)0x0A, (byte)0xBC}), new String(output));
assertNull(Hash.fromHexNo0x("~~"));
}
@Test
public void aaf_941() throws Exception {
// User notes: From reported error "aaf" not coded right for odd digits
// Note: In the original concept, this isn't a valid Hex digit. It has to do with whether to assume an initial
// char of "0" if left out.
String sample = "aaf";
byte[] bytes = Hash.fromHexNo0x(sample);
String back = Hash.toHexNo0x(bytes);
// Note: We don't presume to know that someone left off leading 0 on start.
assertEquals("0aaf", back);
sample = "0x0aaf";
bytes = Hash.fromHex(sample);
back = Hash.toHex(bytes);
assertEquals(sample, back);
// Assumed leading zero. Note, we ALWAYS translate back with leading zero.
bytes = Hash.fromHex("0xaaf");
back = Hash.toHex(bytes);
assertEquals(sample, back);
}
}
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