com.hecloud.runtime.common.encryptor.SHAEncryptor Maven / Gradle / Ivy

Go to download
package com.hecloud.runtime.common.encryptor;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * 加密器接口实现
 *
 * @author LoveinBJ
 * @version 1.0
 * @since 2016.08.05
 */
public class SHAEncryptor implements Encryptor {
    private static final String KEY_SHA = "SHA";
    private static Logger logger = LoggerFactory.getLogger(SHAEncryptor.class);

    @Override
    public String encrypt(String data, String key) throws Exception {
        try {
            data = data + key;
            MessageDigest messageDigest = MessageDigest.getInstance(KEY_SHA);
            messageDigest.update(data.getBytes());
            return new BigInteger(messageDigest.digest()).toString(16);
        } catch (NoSuchAlgorithmException e) {
            logger.error("encrypt error:", e);
            throw e;
        }
    }

    @Override
    public String decrypt(String ciphertext, String key) {
        return null;
    }

    @Override
    public byte[] encrypt(byte[] data, String key) {
        return null;
    }

    @Override
    public byte[] decrypt(byte[] cipherData, String key) {
        return null;
    }

}