java - 微信公众第三方平台加解密出现InvalidKeyException:illegal Key Size

Question

本地按照这个官方demo上的方案解决了，如上图。但是生产线上是不能够替换这两个文件的。
链接描述

在解密ticket时出现这个问题。求解决方案

Answer 1

It seems that the system uses the encryption algorithm controlled by the United States. You have two solutions:

1. Install the official solution and replace the JRE jar

2. Find out what encryption algorithm the official uses, and then look for non-export controlled solutions. One of the open source bouncy castles seems to support it

Answer 2

It won’t work without replacement. This is an extended encryption package. The default is only 128-bit encryption. Unable to meet the requirements of WeChat interface