AES加密和解密工具类

左手的ㄟ右手 2022-03-20 15:40 318阅读 0赞

import java.util.Base64;
    
    import javax.crypto.Cipher;
    import javax.crypto.spec.IvParameterSpec;
    import javax.crypto.spec.SecretKeySpec;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import com.isoftstone.common.log.utils.StringUtils;
    
    
    /**
    * @author leon
    * @createDate 2019年2月13日 下午2:57:06
    * @version v1.0
    * @classRemarks AES加解密
    */
    public class AESUtil {
    	private final static Logger logger = LoggerFactory.getLogger(AESUtil.class);
    	
        private static final String ALGORITHM = "AES/CBC/PKCS5Padding";
        //加密
        public static String AES_cbc_encrypt(String srcData) 
        {
    	    byte[] key= "Ay#g$12(3K=yt*e&".getBytes();
    	    byte[] iv = "Ay#g$12(3K=yt*e&".getBytes();	    
            SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
            Cipher cipher = null;
            byte[] encData = null;
    		try {
    			cipher = Cipher.getInstance(ALGORITHM);
    	        cipher.init(Cipher.ENCRYPT_MODE, keySpec, new IvParameterSpec(iv));
    	        encData = cipher.doFinal(srcData.getBytes());	        
    		} catch (Exception e) {			
    			logger.error("系统错误:",e);
    		} 
            return Base64.getEncoder().encodeToString(encData);
        }
    
        //解密
        public static String AES_cbc_decrypt(String encData) 
        {
    	    byte[] key= "Ay#g$12(3K=yt*e&".getBytes();	                
    	    byte[] iv = "Ay#g$12(3K=yt*e&".getBytes();
            SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
            Cipher cipher = null;
            byte[] decbbdt = null;
    		try {
    			cipher = Cipher.getInstance(ALGORITHM);
    	        cipher.init(Cipher.DECRYPT_MODE, keySpec, new IvParameterSpec(iv));	        
    	        decbbdt = cipher.doFinal(Base64.getDecoder().decode(encData));
    		} catch (Exception e) {			
    			logger.error("系统错误:",e);
    		}
            return new String(decbbdt);
        }  
    
    	public static void main(String[] args) {
    	                 
    	        String srcStr = "/20180401/pdf/pdf_334434-dfsdf-dfsdf.pdf";
    	        System.out.println(srcStr);
    //	 
    	        String encbt = AES_cbc_encrypt(srcStr);
    	        System.out.println(encbt);
    	        String decbt = AES_cbc_decrypt(encbt);	
    	        System.out.println(decbt);
    //	         
    //	        if(srcStr.equals(decbt))
    //	        {
    //	            System.out.println("TEST PASS");
    //	        }else
    //	        {
    //	            System.out.println("TEST NO PASS");
    //	        }
    
    	}
    	
    
    
    }