How to protect tape data from unauthorised access
Encrypting Data to Tape using "tar" and "openssl".
The following shows an example of writing the contents of "tapetest" to tape:
$ tar zcvf - tapetest|openssl des3 -salt -k secretpassword | dd of=/dev/st0
Reading the data back:
$ dd if=/dev/st0|openssl des3 -d -k secretpassword|tar xzf -
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