81 lines
2.4 KiB
Java
81 lines
2.4 KiB
Java
package com.mini.capi.utils;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import org.apache.commons.net.util.Base64;
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public class AESUtil {
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public static String key = "AD42F6697B035B7580E4FEF93BE20BAD";
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private static String charset = "utf-8";
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// 偏移量
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private static int offset = 16;
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private static String transformation = "AES/CBC/PKCS5Padding";
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private static String algorithm = "AES";
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/**
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* 加密
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*
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* @param content
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* @return
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*/
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public static String encrypt(String content) {
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return encrypt(content, key);
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}
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/**
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* 解密
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*
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* @param content
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* @return
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*/
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public static String decrypt(String content) {
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return decrypt(content, key);
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}
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/**
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* 加密
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*
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* @param content 需要加密的内容
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* @param key 加密密码
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* @return
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*/
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public static String encrypt(String content, String key) {
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try {
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SecretKeySpec skey = new SecretKeySpec(key.getBytes(), algorithm);
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IvParameterSpec iv = new IvParameterSpec(key.getBytes(), 0, offset);
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Cipher cipher = Cipher.getInstance(transformation);
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byte[] byteContent = content.getBytes(charset);
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cipher.init(Cipher.ENCRYPT_MODE, skey, iv);// 初始化
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byte[] result = cipher.doFinal(byteContent);
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return new Base64().encodeToString(result).replaceAll("[\\s*\t\n\r]", ""); // 加密
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} catch (Exception e) {
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System.out.println(e.getMessage());
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}
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return null;
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}
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/**
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* AES（256）解密
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*
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* @param content 待解密内容
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* @param key 解密密钥
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* @return 解密之后
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* @throws Exception
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*/
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public static String decrypt(String content, String key) {
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try {
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SecretKeySpec skey = new SecretKeySpec(key.getBytes(), algorithm);
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IvParameterSpec iv = new IvParameterSpec(key.getBytes(charset), 0, offset);
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Cipher cipher = Cipher.getInstance(transformation);
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cipher.init(Cipher.DECRYPT_MODE, skey, iv);// 初始化
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byte[] result = cipher.doFinal(new Base64().decode(content));
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return new String(result).replaceAll("[\\s*\t\n\r]", ""); // 解密
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} catch (Exception e) {
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System.out.println(e.getMessage());
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}
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return null;
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}
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}
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