de.hybris.platform.acceleratorservices.payment.utils.impl.DefaultAcceleratorDigestUtils.java Source code

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Here is the source code for de.hybris.platform.acceleratorservices.payment.utils.impl.DefaultAcceleratorDigestUtils.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2014 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 *  
 */
package de.hybris.platform.acceleratorservices.payment.utils.impl;

import de.hybris.platform.acceleratorservices.payment.utils.AcceleratorDigestUtils;

import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;
import org.springframework.beans.factory.annotation.Required;

public class DefaultAcceleratorDigestUtils implements AcceleratorDigestUtils {
    private String macAlgorithm;

    @Override
    public String getPublicDigest(final String customValues, final String key)
            throws NoSuchAlgorithmException, InvalidKeyException {
        final Base64 encoder = new Base64();
        final Mac sha1Mac = Mac.getInstance(getMacAlgorithm());
        final SecretKeySpec publicKeySpec = new SecretKeySpec(key.getBytes(), getMacAlgorithm());
        sha1Mac.init(publicKeySpec);

        final byte[] publicBytes = sha1Mac.doFinal(customValues.getBytes());
        final String publicDigest = new String(encoder.encode(publicBytes));

        return publicDigest.replaceAll("\n", "");
    }

    protected String getMacAlgorithm() {
        return macAlgorithm;
    }

    @Required
    public void setMacAlgorithm(final String macAlgorithm) {
        this.macAlgorithm = macAlgorithm;
    }
}