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Old 02-08-2006, 11:26 AM   #1
nkirby
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Encrypting Backups with Software Encryption


Hello,
I am pretty new to linux and I have to learn to encrypt backups that will be written to tape. Our current backups are just tarballs of the directories we want written to tape in a bash script. I was wondering if anyone knows of software that can support a fairly secure cypher like aes and be automated fairly easily in a bash script (even better added to our curent backup script). Any advice or experiences on the matter would be greatly appreciated.
Thanks,
Nick
 
Old 02-08-2006, 10:12 PM   #2
Linux.tar.gz
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Can be an easy start:
http://www.linuxquestions.org/questi...d.php?t=305423
Check openssl too.
 
Old 02-09-2006, 08:58 AM   #3
nkirby
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Thanks for the advice, I'm going to test out openssl!
 
Old 02-09-2006, 01:30 PM   #4
nkirby
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OK, so I have been playing around with openssl and I like most everything about it. Does anyone know if it is possible to encrypt files bigger than 2GB using openssl? At first I was getting an error saying that fopen couldnt open my file (3.5GB). So I used the shell to redirect the file into openssl, and got the following.

]# openssl aes-256-cbc -salt -e -out www-02-09-06-daily-backup.tar.gz.aes < www-02-09-06-daily-backup.tar.gz
enter aes-256-cbc encryption password:
Verifying - enter aes-256-cbc encryption password:
File size limit exceeded

Does anyone have any suggestions? It feels like I may not be able to use openssl with out significant changes to our backup scripts. I like that fact that I get to use a password here instead of a key with gpg.
 
  


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