ps here's how to create an sslcontext given a PEM.  If you need the certs, this could be an easier way.

https://github.com/jclouds/jclouds-labs/blob/master/fgcp/src/main/java/org/jclouds/fujitsu/fgcp/suppliers/FGCPCredentialsSupplier.java
https://github.com/jclouds/jclouds-labs/blob/master/fgcp/src/main/java/org/jclouds/fujitsu/fgcp/suppliers/SSLContextWithKeysSupplier.java