This O2 Tool (i.e. script) is already pushed to the SVN (available if you have the latest ClickOnce version) and has the following features:
- create PGP Keys
- store PGP configuration on xml files (which are easy to move around
- GUI to encrypt Text
- GUI to decrypt Text
- GUI to encrypt and decrypt Files
- Supports workflow where the PassPhase is kept private and the Public + Private keys are sent unencrypted to the client
http://www.o2platform.com/wiki/O2_Script/Tool_-_Using_OpenPgp_to_Encrypt_or_Decrypt.h2
Here is the YouTube Video http://www.youtube.com/watch?v=_Cd8AfZyWMs (created with the new O2 Video creator tool which helps me to quicklly create this type of videos)
And here are a couple screenshots