Added section to README for BC addition

README_JCE.md

@@ -307,6 +307,24 @@ ant build-jce-release     # Build JCE JAR
 ```
 This script requires for JAVA_HOME to be set.
 
+For Bouncy Castle comparison testing:
+
+Visit [bouncy-castle-java](https://www.bouncycastle.org/download/bouncy-castle-java/)
+Download:
+```
+bcprov-jdk18on-1.79.jar # Bouncy Castle Provider
+bctls-jdk18on-1.79.jar  # Bouncy Castle DTLS/TLS API/JSSE Provider
+```
+Copy jar files to $JAVA_HOME/lib/ext/:
+```
+cp bcprov-jdk18on-1.79.jar $JAVA_HOME/lib/ext/
+cp bctls-jdk18on-1.79.jar $JAVA_HOME/lib/ext/
+```
+Add Bouncy Castle as provider in java.security file:
+```
+echo "security.provider.X=org.bouncycastle.jce.provider.BouncyCastleProvider" >> $JAVA_HOME/lib/security/java.security
+```
+
 ### JAR Code Signing
 ---------