cherry.foundation.crypto.AESCryptoSupport.java Source code

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Here is the source code for cherry.foundation.crypto.AESCryptoSupport.java

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/*
 * Copyright 2014,2015 agwlvssainokuni
 *
 * 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 cherry.foundation.crypto;

import java.io.IOException;
import java.io.InputStream;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.Resource;

import cherry.goods.crypto.AESCrypto;

import com.google.common.io.ByteStreams;

/**
 * AES???/?????
 */
public class AESCryptoSupport extends AESCrypto implements InitializingBean {

    /** AES??????????? */
    private Resource secretKeyResource;

    /** AES??????????? */
    private Resource initVectorResource;

    public void setSecretKeyResource(Resource secretKeyResource) {
        this.secretKeyResource = secretKeyResource;
    }

    public void setInitVectorResource(Resource initVectorResource) {
        this.initVectorResource = initVectorResource;
    }

    /**
     * AES???/????<br />
     * ???????????????????JCE API???????
     */
    @Override
    public void afterPropertiesSet() throws IOException {
        try (InputStream in = secretKeyResource.getInputStream()) {
            setSecretKeyBytes(ByteStreams.toByteArray(in));
        }
        if (initVectorResource != null) {
            try (InputStream in = initVectorResource.getInputStream()) {
                setInitVectorBytes(ByteStreams.toByteArray(in));
            }
        }
    }

}