/*
* Copyright 2013 Matija Mazi
* Copyright 2014 Andreas Schildbach
*
* 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.
*/
package org.bitcoinj.crypto;
import com.google.common.collect.ImmutableList;
import org.junit.Assert;
import org.junit.Test;
import static org.bitcoinj.core.Utils.HEX;
import java.util.List;
public class HDUtilsTest {
@Test
public void testHmac() throws Exception {
String[] tv = {
"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b" +
"0b0b0b0b",
"4869205468657265",
"87aa7cdea5ef619d4ff0b4241a1d6cb0" +
"2379f4e2ce4ec2787ad0b30545e17cde" +
"daa833b7d6b8a702038b274eaea3f4e4" +
"be9d914eeb61f1702e696c203a126854",
"4a656665",
"7768617420646f2079612077616e7420" +
"666f72206e6f7468696e673f",
"164b7a7bfcf819e2e395fbe73b56e0a3" +
"87bd64222e831fd610270cd7ea250554" +
"9758bf75c05a994a6d034f65f8f0e6fd" +
"caeab1a34d4a6b4b636e070a38bce737",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaa",
"dddddddddddddddddddddddddddddddd" +
"dddddddddddddddddddddddddddddddd" +
"dddddddddddddddddddddddddddddddd" +
"dddd",
"fa73b0089d56a284efb0f0756c890be9" +
"b1b5dbdd8ee81a3655f83e33b2279d39" +
"bf3e848279a722c806b485a47e67c807" +
"b946a337bee8942674278859e13292fb",
"0102030405060708090a0b0c0d0e0f10" +
"111213141516171819",
"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" +
"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" +
"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" +
"cdcd",
"b0ba465637458c6990e5a8c5f61d4af7" +
"e576d97ff94b872de76f8050361ee3db" +
"a91ca5c11aa25eb4d679275cc5788063" +
"a5f19741120c4f2de2adebeb10a298dd",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaa",
"54657374205573696e67204c61726765" +
"72205468616e20426c6f636b2d53697a" +
"65204b6579202d2048617368204b6579" +
"204669727374",
"80b24263c7c1a3ebb71493c1dd7be8b4" +
"9b46d1f41b4aeec1121b013783f8f352" +
"6b56d037e05f2598bd0fd2215d6a1e52" +
"95e64f73f63f0aec8b915a985d786598",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
"aaaaaa",
"54686973206973206120746573742075" +
"73696e672061206c6172676572207468" +
"616e20626c6f636b2d73697a65206b65" +
"7920616e642061206c61726765722074" +
"68616e20626c6f636b2d73697a652064" +
"6174612e20546865206b6579206e6565" +
"647320746f2062652068617368656420" +
"6265666f7265206265696e6720757365" +
"642062792074686520484d414320616c" +
"676f726974686d2e",
"e37b6a775dc87dbaa4dfa9f96e5e3ffd" +
"debd71f8867289865df5a32d20cdc944" +
"b6022cac3c4982b10d5eeb55c3e4de15" +
"134676fb6de0446065c97440fa8c6a58"
};
for (int i = 0; i < tv.length; i += 3) {
Assert.assertArrayEquals("Case " + i, getBytes(tv, i + 2), HDUtils.hmacSha512(getBytes(tv, i), getBytes(tv, i + 1)));
}
}
private static byte[] getBytes(String[] hmacTestVectors, int i) {
return HEX.decode(hmacTestVectors[i]);
}
@Test
public void testLongToByteArray() throws Exception {
byte[] bytes = HDUtils.longTo4ByteArray(1026);
Assert.assertEquals("00000402", HEX.encode(bytes));
}
@Test
public void testFormatPath() {
Object[] tv = {
"M/44H/0H/0H/1/1",
ImmutableList.of(new ChildNumber(44, true), new ChildNumber(0, true), new ChildNumber(0, true),
new ChildNumber(1, false), new ChildNumber(1, false)),
"M/7H/3/3/1H",
ImmutableList.of(new ChildNumber(7, true), new ChildNumber(3, false), new ChildNumber(3, false),
new ChildNumber(1, true)),
"M/1H/2H/3H",
ImmutableList.of(new ChildNumber(1, true), new ChildNumber(2, true), new ChildNumber(3, true)),
"M/1/2/3",
ImmutableList.of(new ChildNumber(1, false), new ChildNumber(2, false), new ChildNumber(3, false))
};
for (int i = 0; i < tv.length; i += 2) {
String expectedStrPath = (String) tv[i];
List<ChildNumber> path = (List<ChildNumber>) tv[i+1];
String generatedStrPath = HDUtils.formatPath(path);
Assert.assertEquals(generatedStrPath, expectedStrPath);
}
}
@Test
public void testParsePath() {
Object[] tv = {
"M / 44H / 0H / 0H / 1 / 1",
ImmutableList.of(new ChildNumber(44, true), new ChildNumber(0, true), new ChildNumber(0, true),
new ChildNumber(1, false), new ChildNumber(1, false)),
"M/7H/3/3/1H/",
ImmutableList.of(new ChildNumber(7, true), new ChildNumber(3, false), new ChildNumber(3, false),
new ChildNumber(1, true)),
"1 H / 2 H / 3 H /",
ImmutableList.of(new ChildNumber(1, true), new ChildNumber(2, true), new ChildNumber(3, true)),
"1 / 2 / 3 /",
ImmutableList.of(new ChildNumber(1, false), new ChildNumber(2, false), new ChildNumber(3, false))
};
for (int i = 0; i < tv.length; i += 2) {
String strPath = (String) tv[i];
List<ChildNumber> expectedPath = (List<ChildNumber>) tv[i+1];
List<ChildNumber> path = HDUtils.parsePath(strPath);
Assert.assertEquals(path, expectedPath);
}
}
}