Aes方式加密工具类

import javax.crypto.Cipher;
import javax.crypto.spec.SecreKeySpec;
import org.apache.commons.codec.binary.Base64;

public class AesUtil{
	//必须为16位 加盐密钥    可以获取uuid截取16位 
	private final static String secreKey = "1111111111111111"; //可定义统一  也可每次手动传参
	private final static Stirng encoding = "utf-8";
	
	//加密方法
	public static String encode(String text){
		byte[] encryptData = {};
		try{
			SecretKeySpec keySpec = new SecretKeySpec(secreKey.getBytes(),"AES");
			Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
			cipher.init(Cipher.ENCRYPT_MODE,keySpec);
			encryptData  =  cipher.doFinal(text.getBytes(encoding));
		}catch(Excpetion e){
			//异常信息
		}
		return Base64.encodeBase64String(encryptData);
	}
	
	//解密方法
	public static String decode(String text){
		try{
			SecretKeySpec keySpec = new SecretKeySpec(secreKey.getBytes(),"AES");
			Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
			cipher.init(Cipher.DECRYPT_MODE,keySpec);
			byte[] bOut =  cipher.doFinal(Base64.decodeBase64(text));
			text = new String(bOut);
		}catch(Excpetion e){
			//异常信息
		}
		return text;
	}
	
	//main  方法仅测试使用
	public static void main(String[] args){
		//加密数据
		Stirng text = "123456";
		System.out.println("数据信息："+text);
		System.out.println("16位加密密钥 ："+secreKey);
		System.out.println("加密后数据："+encode(text));
		System.out.println("解密后数据："+decode(encode(text)));
	}

}

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