com.aliyuncs.auth.ShaHmac256 Maven / Gradle / Ivy
/*
* 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.
*/
package com.aliyuncs.auth;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import com.aliyuncs.utils.Base64Helper;
public class ShaHmac256 implements ISigner {
private final static String AGLORITHM_NAME = "HmacSHA256";
public String signString(String source, String accessSecret)
throws InvalidKeyException, IllegalStateException {
try {
Mac mac = Mac.getInstance(AGLORITHM_NAME);
mac.init(new SecretKeySpec(
accessSecret.getBytes(AcsURLEncoder.URL_ENCODING),AGLORITHM_NAME));
byte[] signData = mac.doFinal(source.getBytes(AcsURLEncoder.URL_ENCODING));
return Base64Helper.encode(signData);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("HMAC-SHA1 not supported.");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("UTF-8 not supported.");
}
}
public String getSignerName() {
return "HMAC-SHA256";
}
public String getSignerVersion() {
return "1.0";
}
}