AMCRYPTSIMPLE man page on Scientific

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AMCRYPTSIMPLE(8)	System Administration Commands	      AMCRYPTSIMPLE(8)

       amcryptsimple - reference simple crypt program for Amanda symmetric
       data encryption

       amcryptsimple  to be called by Amanda only

       amcryptsimple calls gpg to perform symmetric data encryption on Amanda
       backup.	amcryptsimple will search for the gpg program in the following
       directories: /usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin

       amcryptsimple uses one passphrase to encrypt the Amanda data and uses
       the same passphrase to decrypt the Amanda backup data.  amcryptsimple
       uses AES256 as the symmetric cipher.

       Store  the  passphrase  inside the home-directory of the
       AMANDA-user($amanda_user) and protect it with proper permissions:

	  echo my_secret_passphrase > ~$amanda_user/.am_passphrase
	  chown $amanda_user:disk ~$amanda_user/.am_passphrase
	  chmod 700 ~$amanda_user/.am_passphrase

       Choose a good passphrase and protect it properly. Backup data can only
       be restored with the passphrase. There is no backdoor.

       If storing and securing passphrase in your environment presents
       challenges, Amanda provide public-key data encryption through
       amgpgcrypt. Public-key encryption uses the public key to encrypt and
       uses the private key to decrypt.

       amanda(8), amanda.conf(5), amcrypt(8), amgpgcrypt(8), amrestore(8),
       gpg(1), :

       Kevin Till <>
	   Zmanda, Inc. (

Amanda 2.6.1p2			  11/05/2009		      AMCRYPTSIMPLE(8)

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