mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-09-27 18:19:33 +02:00
502 lines
15 KiB
Java
502 lines
15 KiB
Java
/**
|
|
*
|
|
* 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.hashes;
|
|
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.BLAKE2B160;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.BLAKE2B256;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.BLAKE2B384;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.BLAKE2B512;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.MD5;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA3_224;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA3_256;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA3_384;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA3_512;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_1;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_224;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_256;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_384;
|
|
import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_512;
|
|
|
|
import java.io.UnsupportedEncodingException;
|
|
import java.math.BigInteger;
|
|
import java.security.MessageDigest;
|
|
import java.security.NoSuchAlgorithmException;
|
|
import java.security.NoSuchProviderException;
|
|
import java.security.Security;
|
|
import java.util.Arrays;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
import java.util.WeakHashMap;
|
|
|
|
import org.jivesoftware.smack.Manager;
|
|
import org.jivesoftware.smack.XMPPConnection;
|
|
import org.jivesoftware.smack.util.StringUtils;
|
|
|
|
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
|
|
import org.jivesoftware.smackx.hashes.element.HashElement;
|
|
|
|
import org.bouncycastle.jce.provider.BouncyCastleProvider;
|
|
|
|
/**
|
|
* Manager that can be used to determine support for hash functions.
|
|
*/
|
|
public final class HashManager extends Manager {
|
|
|
|
static {
|
|
Security.addProvider(new BouncyCastleProvider());
|
|
}
|
|
public static final String PROVIDER = "BC";
|
|
|
|
public static final String PREFIX_NS_ALGO = "urn:xmpp:hash-function-text-names:";
|
|
|
|
public enum NAMESPACE {
|
|
V1 ("urn:xmpp:hashes:1"),
|
|
V2 ("urn:xmpp:hashes:2");
|
|
|
|
final String name;
|
|
|
|
NAMESPACE(String name) {
|
|
this.name = name;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return this.name;
|
|
}
|
|
}
|
|
|
|
public static final List<ALGORITHM> RECOMMENDED = Collections.unmodifiableList(Arrays.asList(
|
|
SHA_256, SHA_384, SHA_512,
|
|
SHA3_256, SHA3_384, SHA3_512,
|
|
BLAKE2B256, BLAKE2B384, BLAKE2B512));
|
|
|
|
private static final WeakHashMap<XMPPConnection, HashManager> INSTANCES = new WeakHashMap<>();
|
|
|
|
/**
|
|
* Constructor of the HashManager.
|
|
* By default the Manager announces support for XEP-0300, as well as for the RECOMMENDED set of hash algorithms.
|
|
* Those contain SHA256, SHA384, SHA512, SHA3-256, SHA3-384, SHA3-512, BLAKE2B256, BLAKE2B384 and BLAKE2B512.
|
|
* Those algorithms got recommended here: https://xmpp.org/extensions/xep-0300.html#recommendations
|
|
* @param connection connection
|
|
*/
|
|
private HashManager(XMPPConnection connection) {
|
|
super(connection);
|
|
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(connection);
|
|
sdm.addFeature(NAMESPACE.V2.toString());
|
|
addAlgorithmsToFeatures(RECOMMENDED);
|
|
}
|
|
|
|
public static HashElement calculateHashElement(ALGORITHM algorithm, byte[] data) {
|
|
return new HashElement(algorithm, hash(algorithm, data));
|
|
}
|
|
|
|
public static HashElement assembleHashElement(ALGORITHM algorithm, byte[] hash) {
|
|
return new HashElement(algorithm, hash);
|
|
}
|
|
|
|
/**
|
|
* Announce support for the given list of algorithms.
|
|
* @param algorithms
|
|
*/
|
|
public void addAlgorithmsToFeatures(List<ALGORITHM> algorithms) {
|
|
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(connection());
|
|
for (ALGORITHM algo : algorithms) {
|
|
sdm.addFeature(asFeature(algo));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get an instance of the HashManager for the given connection.
|
|
* @param connection
|
|
* @return
|
|
*/
|
|
public HashManager getInstanceFor(XMPPConnection connection) {
|
|
HashManager hashManager = INSTANCES.get(connection);
|
|
if (hashManager == null) {
|
|
hashManager = new HashManager(connection);
|
|
INSTANCES.put(connection, hashManager);
|
|
}
|
|
return hashManager;
|
|
}
|
|
|
|
/**
|
|
* Return the feature name of the given algorithm.
|
|
* @param algorithm eg. 'SHA_1'
|
|
* @return feature name (eg. urn:xmpp:hash-function-text-names:sha-1')
|
|
*/
|
|
public static String asFeature(ALGORITHM algorithm) {
|
|
return PREFIX_NS_ALGO + algorithm.toString();
|
|
}
|
|
|
|
public enum ALGORITHM { // RECOMMENDATION:
|
|
MD5 ("md5"), // MUST NOT use this
|
|
SHA_1 ("sha-1"), // SHOULD NOT use this
|
|
SHA_224 ("sha-224"),
|
|
SHA_256 ("sha-256"), // MUST use this
|
|
SHA_384 ("sha-384"),
|
|
SHA_512 ("sha-512"), // SHOULD use this
|
|
SHA3_224 ("sha3-224"),
|
|
SHA3_256 ("sha3-256"), // MUST use this
|
|
SHA3_384 ("sha3-384"),
|
|
SHA3_512 ("sha3-512"), // SHOULD use this
|
|
BLAKE2B160("id-blake2b160"),
|
|
BLAKE2B256("id-blake2b256"), // MUST use this
|
|
BLAKE2B384("id-blake2b384"),
|
|
BLAKE2B512("id-blake2b512"); // SHOULD use this
|
|
|
|
private final String name;
|
|
|
|
ALGORITHM(String name) {
|
|
this.name = name;
|
|
}
|
|
|
|
/**
|
|
* Return the name of the algorithm as it is used in the XEP.
|
|
* @return name.
|
|
*/
|
|
@Override
|
|
public String toString() {
|
|
return this.name;
|
|
}
|
|
|
|
/**
|
|
* Compensational method for static 'valueOf' function.
|
|
* @param s
|
|
* @return
|
|
*/
|
|
public static ALGORITHM valueOfName(String s) {
|
|
for (ALGORITHM a : ALGORITHM.values()) {
|
|
if (a.toString().equals(s)) {
|
|
return a;
|
|
}
|
|
}
|
|
throw new IllegalArgumentException("No ALGORITHM enum with this name (" + s + ") found.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Calculate the hash sum of data using algorithm.
|
|
* @param algorithm
|
|
* @param data
|
|
* @return
|
|
*/
|
|
public static byte[] hash(ALGORITHM algorithm, byte[] data) {
|
|
return getMessageDigest(algorithm).digest(data);
|
|
}
|
|
|
|
public static byte[] hash(ALGORITHM algorithm, String data) {
|
|
return hash(algorithm, utf8(data));
|
|
}
|
|
|
|
public static MessageDigest getMessageDigest(ALGORITHM algorithm) {
|
|
MessageDigest md;
|
|
try {
|
|
switch (algorithm) {
|
|
case MD5:
|
|
md = MessageDigest.getInstance("MD5", PROVIDER);
|
|
break;
|
|
case SHA_1:
|
|
md = MessageDigest.getInstance("SHA-1", PROVIDER);
|
|
break;
|
|
case SHA_224:
|
|
md = MessageDigest.getInstance("SHA-224", PROVIDER);
|
|
break;
|
|
case SHA_256:
|
|
md = MessageDigest.getInstance("SHA-256", PROVIDER);
|
|
break;
|
|
case SHA_384:
|
|
md = MessageDigest.getInstance("SHA-384", PROVIDER);
|
|
break;
|
|
case SHA_512:
|
|
md = MessageDigest.getInstance("SHA-512", PROVIDER);
|
|
break;
|
|
case SHA3_224:
|
|
md = MessageDigest.getInstance("SHA3-224", PROVIDER);
|
|
break;
|
|
case SHA3_256:
|
|
md = MessageDigest.getInstance("SHA3-256", PROVIDER);
|
|
break;
|
|
case SHA3_384:
|
|
md = MessageDigest.getInstance("SHA3-384", PROVIDER);
|
|
break;
|
|
case SHA3_512:
|
|
md = MessageDigest.getInstance("SHA3-512", PROVIDER);
|
|
break;
|
|
case BLAKE2B160:
|
|
md = MessageDigest.getInstance("BLAKE2b-160", PROVIDER);
|
|
break;
|
|
case BLAKE2B256:
|
|
md = MessageDigest.getInstance("BLAKE2b-256", PROVIDER);
|
|
break;
|
|
case BLAKE2B384:
|
|
md = MessageDigest.getInstance("BLAKE2b-384", PROVIDER);
|
|
break;
|
|
case BLAKE2B512:
|
|
md = MessageDigest.getInstance("BLAKE2b-512", PROVIDER);
|
|
break;
|
|
default:
|
|
throw new AssertionError("Invalid enum value.");
|
|
}
|
|
return md;
|
|
} catch (NoSuchAlgorithmException | NoSuchProviderException e) {
|
|
throw new AssertionError(e);
|
|
}
|
|
}
|
|
|
|
public static byte[] md5(byte[] data) {
|
|
return getMessageDigest(MD5).digest(data);
|
|
}
|
|
|
|
public static byte[] md5(String data) {
|
|
return md5(utf8(data));
|
|
}
|
|
|
|
public static String md5HexString(byte[] data) {
|
|
return hex(md5(data));
|
|
}
|
|
|
|
public static String md5HexString(String data) {
|
|
return hex(md5(data));
|
|
}
|
|
|
|
public static byte[] sha_1(byte[] data) {
|
|
return getMessageDigest(SHA_1).digest(data);
|
|
}
|
|
|
|
public static byte[] sha_1(String data) {
|
|
return sha_1(utf8(data));
|
|
}
|
|
|
|
public static String sha_1HexString(byte[] data) {
|
|
return hex(sha_1(data));
|
|
}
|
|
|
|
public static String sha_1HexString(String data) {
|
|
return hex(sha_1(data));
|
|
}
|
|
|
|
public static byte[] sha_224(byte[] data) {
|
|
return getMessageDigest(SHA_224).digest(data);
|
|
}
|
|
|
|
public static byte[] sha_224(String data) {
|
|
return sha_224(utf8(data));
|
|
}
|
|
|
|
public static String sha_224HexString(byte[] data) {
|
|
return hex(sha_224(data));
|
|
}
|
|
|
|
public static String sha_224HexString(String data) {
|
|
return hex(sha_224(data));
|
|
}
|
|
|
|
public static byte[] sha_256(byte[] data) {
|
|
return getMessageDigest(SHA_256).digest(data);
|
|
}
|
|
|
|
public static byte[] sha_256(String data) {
|
|
return sha_256(utf8(data));
|
|
}
|
|
|
|
public static String sha_256HexString(byte[] data) {
|
|
return hex(sha_256(data));
|
|
}
|
|
|
|
public static String sha_256HexString(String data) {
|
|
return hex(sha_256(data));
|
|
}
|
|
|
|
public static byte[] sha_384(byte[] data) {
|
|
return getMessageDigest(SHA_384).digest(data);
|
|
}
|
|
|
|
public static byte[] sha_384(String data) {
|
|
return sha_384(utf8(data));
|
|
}
|
|
|
|
public static String sha_384HexString(byte[] data) {
|
|
return hex(sha_384(data));
|
|
}
|
|
|
|
public static String sha_384HexString(String data) {
|
|
return hex(sha_384(data));
|
|
}
|
|
|
|
public static byte[] sha_512(byte[] data) {
|
|
return getMessageDigest(SHA_512).digest(data);
|
|
}
|
|
|
|
public static byte[] sha_512(String data) {
|
|
return sha_512(utf8(data));
|
|
}
|
|
|
|
public static String sha_512HexString(byte[] data) {
|
|
return hex(sha_512(data));
|
|
}
|
|
|
|
public static String sha_512HexString(String data) {
|
|
return hex(sha_512(data));
|
|
}
|
|
|
|
public static byte[] sha3_224(byte[] data) {
|
|
return getMessageDigest(SHA3_224).digest(data);
|
|
}
|
|
|
|
public static byte[] sha3_224(String data) {
|
|
return sha3_224(utf8(data));
|
|
}
|
|
|
|
public static String sha3_224HexString(byte[] data) {
|
|
return hex(sha3_224(data));
|
|
}
|
|
|
|
public static String sha3_224HexString(String data) {
|
|
return hex(sha3_224(data));
|
|
}
|
|
|
|
public static byte[] sha3_256(byte[] data) {
|
|
return getMessageDigest(SHA3_256).digest(data);
|
|
}
|
|
|
|
public static byte[] sha3_256(String data) {
|
|
return sha3_256(utf8(data));
|
|
}
|
|
|
|
public static String sha3_256HexString(byte[] data) {
|
|
return hex(sha3_256(data));
|
|
}
|
|
|
|
public static String sha3_256HexString(String data) {
|
|
return hex(sha3_256(data));
|
|
}
|
|
|
|
public static byte[] sha3_384(byte[] data) {
|
|
return getMessageDigest(SHA3_384).digest(data);
|
|
}
|
|
|
|
public static byte[] sha3_384(String data) {
|
|
return sha3_384(utf8(data));
|
|
}
|
|
|
|
public static String sha3_384HexString(byte[] data) {
|
|
return hex(sha3_384(data));
|
|
}
|
|
|
|
public static String sha3_384HexString(String data) {
|
|
return hex(sha3_384(data));
|
|
}
|
|
|
|
public static byte[] sha3_512(byte[] data) {
|
|
return getMessageDigest(SHA3_512).digest(data);
|
|
}
|
|
|
|
public static byte[] sha3_512(String data) {
|
|
return sha3_512(utf8(data));
|
|
}
|
|
|
|
public static String sha3_512HexString(byte[] data) {
|
|
return hex(sha3_512(data));
|
|
}
|
|
|
|
public static String sha3_512HexString(String data) {
|
|
return hex(sha3_512(data));
|
|
}
|
|
|
|
public static byte[] blake2b160(byte[] data) {
|
|
return getMessageDigest(BLAKE2B160).digest(data);
|
|
}
|
|
|
|
public static byte[] blake2b160(String data) {
|
|
return blake2b160(utf8(data));
|
|
}
|
|
|
|
public static String blake2b160HexString(byte[] data) {
|
|
return hex(blake2b160(data));
|
|
}
|
|
|
|
public static String blake2b160HexString(String data) {
|
|
return hex(blake2b160(data));
|
|
}
|
|
|
|
public static byte[] blake2b256(byte[] data) {
|
|
return getMessageDigest(BLAKE2B256).digest(data);
|
|
}
|
|
|
|
public static byte[] blake2b256(String data) {
|
|
return blake2b256(utf8(data));
|
|
}
|
|
|
|
public static String blake2b256HexString(byte[] data) {
|
|
return hex(blake2b256(data));
|
|
}
|
|
|
|
public static String blake2b256HexString(String data) {
|
|
return hex(blake2b256(data));
|
|
}
|
|
|
|
public static byte[] blake2b384(byte[] data) {
|
|
return getMessageDigest(BLAKE2B384).digest(data);
|
|
}
|
|
|
|
public static byte[] blake2b384(String data) {
|
|
return blake2b384(utf8(data));
|
|
}
|
|
|
|
public String blake2b384HexString(byte[] data) {
|
|
return hex(blake2b384(data));
|
|
}
|
|
|
|
public String blake2b384HexString(String data) {
|
|
return hex(blake2b384(data));
|
|
}
|
|
|
|
public static byte[] blake2b512(byte[] data) {
|
|
return getMessageDigest(BLAKE2B512).digest(data);
|
|
}
|
|
|
|
public static byte[] blake2b512(String data) {
|
|
return blake2b512(utf8(data));
|
|
}
|
|
|
|
public String blake2b512HexString(byte[] data) {
|
|
return hex(blake2b512(data));
|
|
}
|
|
|
|
public String blake2b512HexString(String data) {
|
|
return hex(blake2b512(data));
|
|
}
|
|
|
|
/**
|
|
* Encode a byte array in HEX.
|
|
* @param hash
|
|
* @return
|
|
*/
|
|
public static String hex(byte[] hash) {
|
|
return new BigInteger(1, hash).toString(16);
|
|
}
|
|
|
|
public static byte[] utf8(String data) {
|
|
try {
|
|
return data.getBytes(StringUtils.UTF8);
|
|
} catch (UnsupportedEncodingException e) {
|
|
throw new AssertionError(e);
|
|
}
|
|
}
|
|
|
|
}
|