51 lines
1.3 KiB
Java
51 lines
1.3 KiB
Java
package com.imyeyu.utils;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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/**
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* @author 夜雨
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* @since 2025-10-29 16:11
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*/
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public class Decryptor {
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/**
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* 解密字符串
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*
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* @param data 待解密字节数据
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* @param key 密钥
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* @return 解密结果
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*/
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public static byte[] aes(String data, byte[] key) {
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return aes(data.getBytes(), key);
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}
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/**
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* 解密
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*
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* @param data 待解密字节数据
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* @param key 密钥
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* @return 解密结果
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*/
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public static byte[] aes(byte[] data, byte[] key) {
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try {
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SecretKey secretKey = new SecretKeySpec(key, "AES");
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Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
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cipher.init(Cipher.DECRYPT_MODE, secretKey);
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return cipher.doFinal(data);
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} catch (IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException e) {
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throw new RuntimeException("invalid data");
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} catch (InvalidKeyException e) {
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throw new RuntimeException("invalid key");
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} catch (NoSuchAlgorithmException e) {
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throw new RuntimeException("not support AES encrypt");
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}
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}
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}
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