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Code Issues Releases Wiki Activity

Add Hash classes (XEP-0300)

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vanitasvitae 2017-05-30 18:20:13 +02:00
parent 6bb001d274
commit 0dbc9b8530
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
9 changed files with 526 additions and 0 deletions
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2
smack-experimental/build.gradle
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@ -10,4 +10,6 @@ dependencies {
testCompile project(path: ":smack-core", configuration: "testRuntime")
testCompile project(path: ":smack-core", configuration: "archives")
testCompile project(path: ":smack-extensions", configuration: "testRuntime")
compile "org.bouncycastle:bcprov-jdk15on:1.57"
}

186
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/HashUtil.java Normal file
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@ -0,0 +1,186 @@
/**
*
* Copyright © 2017 Paul Schaub
*
* 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.jivesoftware.smackx.hash;
import org.bouncycastle.jcajce.provider.digest.Blake2b;
import org.bouncycastle.jcajce.provider.digest.SHA224;
import org.bouncycastle.jcajce.provider.digest.SHA256;
import org.bouncycastle.jcajce.provider.digest.SHA3;
import org.bouncycastle.jcajce.provider.digest.SHA384;
import org.bouncycastle.jcajce.provider.digest.SHA512;
import org.jivesoftware.smack.util.MD5;
import org.jivesoftware.smack.util.SHA1;
import java.math.BigInteger;
/**
* Class that provides hash functionality.
*/
public final class HashUtil {
public enum ALGORITHM {
MD5 ("md5"),
SHA_1 ("sha-1"),
SHA_224 ("sha-224"),
SHA_256 ("sha-256"),
SHA_384 ("sha-384"),
SHA_512 ("sha-512"),
SHA3_224 ("sha3-224"),
SHA3_256 ("sha3-256"),
SHA3_384 ("sha3-384"),
SHA3_512 ("sha3-512"),
ID_BLAKE2B160 ("id-blake2b160"),
ID_BLAKE2B256 ("id-blake2b256"),
ID_BLAKE2B384 ("id-blake2b384"),
ID_BLAKE2B512 ("id-blake2b512");
private final String name;
ALGORITHM(String name) {
this.name = name;
}
public boolean equalsName(String otherName) {
return name.equals(otherName);
}
@Override
public String toString() {
return this.name;
}
public static ALGORITHM get(String s) {
for (ALGORITHM a : ALGORITHM.values()) {
if (s.equals(a.toString())) {
return a;
}
}
throw new IllegalArgumentException("No ALGORITHM enum with this name found.");
}
}
public static byte[] hash(ALGORITHM algorithm, byte[] data) {
byte[] hash;
switch (algorithm) {
case MD5:
hash = md5(data);
break;
case SHA_1:
hash = sha_1(data);
break;
case SHA_224:
hash = sha_224(data);
break;
case SHA_256:
hash = sha_256(data);
break;
case SHA_384:
hash = sha_384(data);
break;
case SHA_512:
hash = sha_512(data);
break;
case SHA3_224:
hash = sha3_224(data);
break;
case SHA3_256:
hash = sha3_256(data);
break;
case SHA3_384:
hash = sha3_384(data);
break;
case SHA3_512:
hash = sha3_512(data);
break;
case ID_BLAKE2B160:
hash = id_blake2b160(data);
break;
case ID_BLAKE2B256:
hash = id_blake2b256(data);
break;
case ID_BLAKE2B384:
hash = id_blake2b384(data);
break;
case ID_BLAKE2B512:
hash = id_blake2b512(data);
break;
default:
throw new AssertionError("Invalid enum value.");
}
return hash;
}
public static byte[] md5(byte[] data) {
return MD5.bytes(data);
}
public static byte[] sha_1(byte[] data) {
return SHA1.bytes(data);
}
public static byte[] sha_224(byte[] data) {
return new SHA224.Digest().digest(data);
}
public static byte[] sha_256(byte[] data) {
return new SHA256.Digest().digest(data);
}
public static byte[] sha_384(byte[] data) {
return new SHA384.Digest().digest(data);
}
public static byte[] sha_512(byte[] data) {
return new SHA512.Digest().digest(data);
}
public static byte[] sha3_224(byte[] data) {
return new SHA3.Digest224().digest(data);
}
public static byte[] sha3_256(byte[] data) {
return new SHA3.Digest256().digest(data);
}
public static byte[] sha3_384(byte[] data) {
return new SHA3.Digest384().digest(data);
}
public static byte[] sha3_512(byte[] data) {
return new SHA3.Digest512().digest(data);
}
public static byte[] id_blake2b160(byte[] data) {
return new Blake2b.Blake2b160().digest(data);
}
public static byte[] id_blake2b256(byte[] data) {
return new Blake2b.Blake2b256().digest(data);
}
public static byte[] id_blake2b384(byte[] data) {
return new Blake2b.Blake2b384().digest(data);
}
public static byte[] id_blake2b512(byte[] data) {
return new Blake2b.Blake2b512().digest(data);
}
public static String hex(byte[] hash) {
return new BigInteger(1, hash).toString(16);
}
}

91
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/element/HashElement.java Normal file
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@ -0,0 +1,91 @@
/**
*
* Copyright © 2017 Paul Schaub
*
* 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.jivesoftware.smackx.hash.element;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.util.XmlStringBuilder;
import org.jivesoftware.smack.util.stringencoder.Base64;
import org.jivesoftware.smackx.hash.HashUtil;
import static org.jivesoftware.smack.util.Objects.requireNonNull;
/**
* Represent a hash element.
*
* @author Paul Schaub
*/
public class HashElement implements ExtensionElement {
public static final String ELEMENT = "hash";
public static final String NAMESPACE = "urn:xmpp:hashes:2";
public static final String ALGO = "algo";
private final HashUtil.ALGORITHM algorithm;
private final byte[] hash;
private final String hashB64;
public HashElement(HashUtil.ALGORITHM type, byte[] hash) {
this.algorithm = requireNonNull(type);
this.hash = requireNonNull(hash);
hashB64 = Base64.encodeToString(hash);
}
public HashElement(HashUtil.ALGORITHM type, String hashB64) {
this.algorithm = type;
this.hash = Base64.decode(hashB64);
this.hashB64 = hashB64;
}
public static HashElement fromData(HashUtil.ALGORITHM algorithm, byte[] data) {
return new HashElement(algorithm, HashUtil.hash(algorithm, data));
}
public HashUtil.ALGORITHM getAlgorithm() {
return algorithm;
}
public byte[] getHash() {
return hash;
}
public String getHashB64() {
return hashB64;
}
@Override
public String getElementName() {
return ELEMENT;
}
@Override
public CharSequence toXML() {
XmlStringBuilder sb = new XmlStringBuilder(this);
sb.attribute(ALGO, algorithm.toString());
sb.rightAngleBracket();
sb.append(hashB64);
sb.closeElement(this);
return sb;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
}

22
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/element/package-info.java Normal file
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@ -0,0 +1,22 @@
/**
*
* Copyright © 2014 Florian Schmaus
*
* 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.
*/
/**
* XEP-0300 - Use of cryptographic hash functions.
* Element classes.
*/
package org.jivesoftware.smackx.hash.element;

21
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/package-info.java Normal file
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@ -0,0 +1,21 @@
/**
*
* Copyright © 2014 Florian Schmaus
*
* 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.
*/
/**
* XEP-0300 - Use of cryptographic hash functions.
*/
package org.jivesoftware.smackx.hash;

35
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/provider/HashElementProvider.java Normal file
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@ -0,0 +1,35 @@
/**
*
* Copyright © 2017 Paul Schaub
*
* 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.jivesoftware.smackx.hash.provider;
import org.jivesoftware.smack.provider.ExtensionElementProvider;
import org.jivesoftware.smackx.hash.HashUtil;
import org.jivesoftware.smackx.hash.element.HashElement;
import org.xmlpull.v1.XmlPullParser;
/**
* Provider for HashElements
*/
public class HashElementProvider extends ExtensionElementProvider<HashElement> {
@Override
public HashElement parse(XmlPullParser parser, int initialDepth) throws Exception {
String algo = parser.getAttributeValue(null, HashElement.ALGO);
String hashB64 = parser.nextText();
return new HashElement(HashUtil.ALGORITHM.get(algo), hashB64);
}
}

22
smack-experimental/src/main/java/org/jivesoftware/smackx/hash/provider/package-info.java Normal file
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@ -0,0 +1,22 @@
/**
*
* Copyright © 2014 Florian Schmaus
*
* 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.
*/
/**
* XEP-0300 - Use of cryptographic hash functions.
* Provider classes.
*/
package org.jivesoftware.smackx.hash.provider;

28
smack-experimental/src/test/java/org/jivesoftware/smackx/hash/HashElementTest.java Normal file
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@ -0,0 +1,28 @@
package org.jivesoftware.smackx.hash;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.jivesoftware.smack.test.util.TestUtils;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smackx.hash.element.HashElement;
import org.jivesoftware.smackx.hash.provider.HashElementProvider;
import org.junit.Test;
import static junit.framework.TestCase.assertEquals;
/**
* Created by vanitas on 30.05.17.
*/
public class HashElementTest extends SmackTestSuite {
@Test
public void stanzaTest() throws Exception {
String message = "Hello World!";
HashElement element = HashElement.fromData(HashUtil.ALGORITHM.SHA_256, message.getBytes(StringUtils.UTF8));
String expected = "<hash xmlns='urn:xmpp:hashes:2' algo='sha-256'>f4OxZX/x/FO5LcGBSKHWXfwtSx+j1ncoSt3SABJtkGk=</hash>";
assertEquals(expected, element.toXML().toString());
HashElement parsed = new HashElementProvider().parse(TestUtils.getParser(expected));
assertEquals(expected, parsed.toXML().toString());
}
}

119
smack-experimental/src/test/java/org/jivesoftware/smackx/hash/HashUtilTest.java Normal file
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@ -0,0 +1,119 @@
package org.jivesoftware.smackx.hash;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.jivesoftware.smack.util.StringUtils;
import org.junit.Test;
import java.io.UnsupportedEncodingException;
import static junit.framework.TestCase.assertEquals;
/**
* Test HashUtil functionality.
*/
public class HashUtilTest extends SmackTestSuite {
public static final String testString = "Hello World!";
private byte[] array() {
try {
return testString.getBytes(StringUtils.UTF8);
} catch (UnsupportedEncodingException e) {
throw new AssertionError("UTF8 MUST be supported.");
}
}
@Test
public void md5Test() {
String expected = "ed076287532e86365e841e92bfc50d8c";
String actual = HashUtil.hex(HashUtil.md5(array()));
assertEquals(expected, actual);
}
@Test
public void sha1Test() {
String expected = "2ef7bde608ce5404e97d5f042f95f89f1c232871";
String actual = HashUtil.hex(HashUtil.sha_1(array()));
assertEquals(expected, actual);
}
@Test
public void sha224Test() {
String expected = "4575bb4ec129df6380cedde6d71217fe0536f8ffc4e18bca530a7a1b";
String actual = HashUtil.hex(HashUtil.sha_224(array()));
assertEquals(expected, actual);
}
@Test
public void sha256Test() {
String expected = "7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069";
String actual = HashUtil.hex(HashUtil.sha_256(array()));
assertEquals(expected, actual);
}
@Test
public void sha384Test() {
String expected = "bfd76c0ebbd006fee583410547c1887b0292be76d582d96c242d2a792723e3fd6fd061f9d5cfd13b8f961358e6adba4a";
String actual = HashUtil.hex(HashUtil.sha_384(array()));
assertEquals(expected, actual);
}
@Test
public void sha512Test() {
String expected = "861844d6704e8573fec34d967e20bcfef3d424cf48be04e6dc08f2bd58c729743371015ead891cc3cf1c9d34b49264b510751b1ff9e537937bc46b5d6ff4ecc8";
String actual = HashUtil.hex(HashUtil.sha_512(array()));
assertEquals(expected, actual);
}
@Test
public void sha3_224Test() {
String expected = "716596afadfa17cd1cb35133829a02b03e4eed398ce029ce78a2161d";
String actual = HashUtil.hex(HashUtil.sha3_224(array()));
assertEquals(expected, actual);
}
@Test
public void sha3_256Test() {
String expected = "d0e47486bbf4c16acac26f8b653592973c1362909f90262877089f9c8a4536af";
String actual = HashUtil.hex(HashUtil.sha3_256(array()));
assertEquals(expected, actual);
}
@Test
public void sha3_384Test() {
String expected = "f324cbd421326a2abaedf6f395d1a51e189d4a71c755f531289e519f079b224664961e385afcc37da348bd859f34fd1c";
String actual = HashUtil.hex(HashUtil.sha3_384(array()));
assertEquals(expected, actual);
}
@Test
public void sha3_512Test() {
String expected = "32400b5e89822de254e8d5d94252c52bdcb27a3562ca593e980364d9848b8041b98eabe16c1a6797484941d2376864a1b0e248b0f7af8b1555a778c336a5bf48";
String actual = HashUtil.hex(HashUtil.sha3_512(array()));
assertEquals(expected, actual);
}
public void id_blake2b160Test() {
String expected = "e7338d05e5aa2b5e4943389f9475fce2525b92f2";
String actual = HashUtil.hex(HashUtil.id_blake2b160(array()));
assertEquals(expected, actual);
}
public void id_blake2b256Test() {
String expected = "bf56c0728fd4e9cf64bfaf6dabab81554103298cdee5cc4d580433aa25e98b00";
String actual = HashUtil.hex(HashUtil.id_blake2b256(array()));
assertEquals(expected, actual);
}
public void id_blake2b384Test() {
String expected = "53fd759520545fe93270e61bac03b243b686af32ed39a4aa635555be47a89004851d6a13ece00d95b7bdf9910cb71071";
String actual = HashUtil.hex(HashUtil.id_blake2b384(array()));
assertEquals(expected, actual);
}
public void id_blake2b512Test() {
String expected = "54b113f499799d2f3c0711da174e3bc724737ad18f63feb286184f0597e1466436705d6c8e8c7d3d3b88f5a22e83496e0043c44a3c2b1700e0e02259f8ac468e";
String actual = HashUtil.hex(HashUtil.id_blake2b512(array()));
assertEquals(expected, actual);
}
}