Source from
here
Add this library to classpath(following is maven project)
<dependency>
<groupId>org.bouncycastle</groupId> <artifactId>bcprov-jdk16</artifactId> <version>1.46</version> </dependency>
解决方法二：bcprov-jdk15on-154.jar和bcprov-ext-jdk15on-154.jar两个jar包放到Java\jre1.8.0_161\lib\ext扩展目录下