private static byte[] encrypt(byte[] text, byte[] key) throws Exception {
SecretKeySpec aesKey = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, aesKey);
return cipher.doFinal(text);
}
private static byte[] decrypt(byte[] text, byte[] key) throws Exception {
SecretKeySpec aesKey = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, aesKey);
return cipher.doFinal(text);
}
public static String encodeAES(String text, String key) throws Exception {
byte[] keyBytes = DigestUtils.md5(key);//在線網站上沒有md5加密，直接getBytes
//等同于 MessageDigest.getInstance("MD5").digest(key.getBytes())
byte[] textBytes = text.getBytes();
byte[] aesBytyes = encrypt(textBytes, keyBytes);
return new String(Base64.encodeBase64(aesBytyes));
}
