Encypting backup utility?

Does anyone know of a Linux backup utility that uses GPG to encypt individual files? I've recovered files from CRDOMs with bad bits recently, and didn't know it until I tried using them. Storing each file with a checksum would be the answer to that. Also, I'd like to be give backups to almost anyone willing to store them. Encrypting the backups would be the answer to that: "Please keep this somewhere cool and dry" is far less of an imposition than "Hide this forever. It has all my personal email on it". I think GPG encrypting individual files would provide both encryption and checksum. Is there anything wrong with that idea? And has anyone seen a tool to do this? (I could write a script to do it if had to, but I'm reinventing other wheels.) -- Glyn Webster ~ Simplicity Himself. ~ http://tiddly-pom.com
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Glyn Webster