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Code Issues Releases Wiki Activity

Implemented MD5 just like the SHA1 util

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This commit is contained in:
Florian Schmaus 2014-11-14 21:13:30 +01:00
parent 0db76f4eb1
commit 763f9c7c14
3 changed files with 62 additions and 26 deletions
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21
smack-core/src/main/java/org/jivesoftware/smack/util/ByteUtils.java
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@ -16,28 +16,7 @@
*/
package org.jivesoftware.smack.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class ByteUtils {
private static MessageDigest md5Digest;
public synchronized static byte[] md5(byte[] data) {
if (md5Digest == null) {
try {
md5Digest = MessageDigest.getInstance(StringUtils.MD5);
}
catch (NoSuchAlgorithmException nsae) {
// Smack wont be able to function normally if this exception is thrown, wrap it into
// an ISE and make the user aware of the problem.
throw new IllegalStateException(nsae);
}
}
md5Digest.update(data);
return md5Digest.digest();
}
public static byte[] concact(byte[] arrayOne, byte[] arrayTwo) {
int combinedLength = arrayOne.length + arrayTwo.length;
byte[] res = new byte[combinedLength];

56
smack-core/src/main/java/org/jivesoftware/smack/util/MD5.java Normal file
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@ -0,0 +1,56 @@
/**
*
* 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.
*/
package org.jivesoftware.smack.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class MD5 {
/**
* Used by the hash method.
*/
private static MessageDigest MD5_DIGEST;
static {
try {
MD5_DIGEST = MessageDigest.getInstance(StringUtils.MD5);
}
catch (NoSuchAlgorithmException e) {
// Smack wont be able to function normally if this exception is thrown, wrap it into
// an ISE and make the user aware of the problem.
throw new IllegalStateException(e);
}
}
public static synchronized byte[] bytes(byte[] bytes) {
return MD5_DIGEST.digest(bytes);
}
public static byte[] bytes(String string) {
return bytes(StringUtils.toBytes(string));
}
public static String hex(byte[] bytes) {
return StringUtils.encodeHex(bytes(bytes));
}
public static String hex(String string) {
return hex(StringUtils.toBytes(string));
}
}