Java AES DES （CBC-PKCS5Padding） Base64 Md5 加解密源码分享

Java AES DES （CBC-PKCS5Padding） Base64 Md5 加解密源码分享

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直接上代码，实测可用，无第三方jar包，包引用路径也在，关键注解都有：

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import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.DigestUtils;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

/**
 * @author Saint
 * @Date 2021/2/4
 * @info
 **/
public class CryptoUtil {
   

    private static Logger log = LoggerFactory.getLogger(CryptoUtil.class);

    /**
     * AES加密,先Base64，再AES
     * @param key  密钥
     * @param iv   偏移量
     * @param data 需要加密的数据
     */
    public static byte[] encryptAES(String key, String iv, byte[] data) throws UnsupportedEncodingException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
   
        //密钥MD5加密
        String md5Key = DigestUtils.md5DigestAsHex(key.getBytes("utf-8"));
        //密钥裁剪
        byte[] keyBytes = md5Key.substring(16, 32).getBytes(