org.asynchttpclient.shaded.util.MessageDigestUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2017 AsyncHttpClient Project. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/
package org.asynchttpclient.shaded.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public final class MessageDigestUtils {
private static final ThreadLocal MD5_MESSAGE_DIGESTS = ThreadLocal.withInitial(() -> {
try {
return MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
throw new InternalError("MD5 not supported on this platform");
}
});
private static final ThreadLocal SHA1_MESSAGE_DIGESTS = ThreadLocal.withInitial(() -> {
try {
return MessageDigest.getInstance("SHA1");
} catch (NoSuchAlgorithmException e) {
throw new InternalError("SHA1 not supported on this platform");
}
});
public static MessageDigest pooledMd5MessageDigest() {
MessageDigest md = MD5_MESSAGE_DIGESTS.get();
md.reset();
return md;
}
public static MessageDigest pooledSha1MessageDigest() {
MessageDigest md = SHA1_MESSAGE_DIGESTS.get();
md.reset();
return md;
}
}