接收到的报文 

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{

    "encrypted": "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"

}

​

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解密代码

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public class AESUtils {

    public static Base64.Encoder encoder = Base64.getEncoder();

    public static Base64.Decoder decoder = Base64.getDecoder();

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    public static String decrypt(String aesKey,String str) throws Exception {

        byte[] secretKey = decoder.decode(aesKey.getBytes(StandardCharsets.UTF_8));

        byte[] iv = new byte[16];

        System.arraycopy(secretKey, 0, iv, 0, 16);

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        byte[] data = decoder.decode(str.getBytes(StandardCharsets.UTF_8));

        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");

        SecretKey keySpec = new SecretKeySpec(secretKey, "AES");

        IvParameterSpec ivps = new IvParameterSpec(iv);

        cipher.init(Cipher.DECRYPT_MODE, keySpec, ivps);

        return new String(cipher.doFinal(data), StandardCharsets.UTF_8);

    }

​

​

}

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String AesKey = "";

JSONObject requestBody = JSON.parseObject(msgBody);

String encryptedMsg = requestBody.getString("encrypted");

String jsonBody = AESUtils.decrypt(AesKey, encryptedMsg);

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机器人ID：servicedb03c