com.baomidou.kisso.common.signature.SignSymmetric Maven / Gradle / Ivy

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An enhanced toolkit of SSO to simplify development.

There is a newer version: 3.9.1

/*
 * Copyright (c) 2011-2020, hubin ([email protected]).
 * 
 * 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 com.baomidou.kisso.common.signature;

import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.Provider;

import javax.crypto.Mac;

import com.baomidou.kisso.exception.UnsupportedAlgorithmException;

/**
 * 

 * 对称签名
 * 
 *
 * @author hubin
 * @since 2019-04-08
 */
public class SignSymmetric implements ISign {

  private final Key key;

  public SignSymmetric(final Key key) {
    this.key = key;
  }

  @Override
  public byte[] sign(Provider provider, ShaAlgorithm shaAlgorithm, byte[] signingStringBytes) {
    try {
      final Mac mac = provider == null ? Mac.getInstance(shaAlgorithm.getJmvName())
        : Mac.getInstance(shaAlgorithm.getJmvName(), provider);
      mac.init(key);
      return mac.doFinal(signingStringBytes);
    } catch (NoSuchAlgorithmException e) {
      throw new UnsupportedAlgorithmException(shaAlgorithm.getJmvName());
    } catch (Exception e) {
      throw new IllegalStateException(e);
    }
  }
}