Okay, I\'ll say now that I know very little about Java. I was given the Bouncy Castle Jar and told that would contain what I needed to do this assignment. The Jar file is
Type this for running the program:
java -classpath bcprov-jdk15on-147.jar:. encrypt
That's because your program also needs to have any libraries it uses as part of the classpath at the time of running, not only at compile time.