BCArchive

You may not be an international person of mystery, but chances are you have a few secrets you'd like to keep. That's where encryption utilities come into play. BCArchive provides all the essentials in an easy-to-use package. The program lets you lock down files according to a number of secure algorithms and can create self-decrypting archives so you can share sensitive data with others, even if they don't have BCArchive on their machines.