Re: Encrypting textfiles from shell

["Ian D. Leroux" <idleroux%fastmail.fm@localhost>]

On Thu, Dec 15, 2011, at 13:47, steve wrote:
> [root@unixfoo-lin23 ~]# tar cvzf - passwd_info.txt | openssl des3 -salt 
> -k secretkey | dd of=encrypted_passwd_info
> passwd_info.txt
> 20+1 records in
> 20+1 records out
> 
> [root@unixfoo-lin12 ~]# dd if=encrypted_passwd_info |openssl des3 -d -k 
> secretkey |tar xvzf -
> 20+1 records in
> 20+1 records out
> passwd_info.txt

Out of curiosity and ignorance, why do you need to go through dd?  Would
standard shell redirection not work?  I'm thinking of something like:
  $ tar ... | openssl ... >encrypted_passwd_info

Not critical, just intrigued.

-- IDL