org.apache.rocketmq.mqtt.common.util.HmacSHA1Util Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
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package org.apache.rocketmq.mqtt.common.util;
import org.apache.commons.codec.binary.Base64;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.nio.charset.Charset;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
public class HmacSHA1Util {
private static Charset charset = Charset.forName("UTF-8");
private static String algorithm = "HmacSHA1";
public static String macSignature(String text, String secretKey) throws InvalidKeyException, NoSuchAlgorithmException {
Mac mac = Mac.getInstance(algorithm);
mac.init(new SecretKeySpec(secretKey.getBytes(charset), algorithm));
byte[] bytes = mac.doFinal(text.getBytes(charset));
return new String(Base64.encodeBase64(bytes), charset);
}
public static boolean validateSign(String text, byte[] input, String secretKey) throws NoSuchAlgorithmException, InvalidKeyException {
String sign = macSignature(text, secretKey);
return sign.equals(new String(input, charset));
}
}