就是org.bouncycastle.jce.provider这个jar包，开发微信小程序自动登录用，谁有可以共享一下，感激不尽！
https://repo1.maven.org/maven2/org/bouncycastle/bcprov-jdk15on/1.70/bcprov-jdk15on-1.70.jar
<!-- https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on -->
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>1.70</version>
</dependency>