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Full Discussion: Traceback spammers using an obfuscation of their URL
Top Forums Shell Programming and Scripting Traceback spammers using an obfuscation of their URL Post 302979265 by Chubler_XL on Thursday 11th of August 2016 08:54:52 PM
Old 08-11-2016
You could use openssl eg:


Code:
$ PASS=testing

$ export PASS

$ echo "domain.com" |  openssl enc -e -aes-128-cbc -a -salt -pass env:PASS
U2FsdGVkX1+kygeSl5GyH8pIO8PLS8w6BNLHsErJyoE=

$ echo "U2FsdGVkX1+kygeSl5GyH8pIO8PLS8w6BNLHsErJyoE=" | openssl enc -d -aes-128-cbc -a -salt -pass env:PASS
domain.com

Edit: .. Or if you are after something a little shorter, you could drop the random salt and padding:

Code:
$ PASS=testing

$ export PASS

$ echo "domain.com" | openssl enc -a -e -aes-128-ctr -nopad -nosalt -pass env:PASS
Piq5KE6PVJ59PDg=

$ echo "Piq5KE6PVJ59PDg=" | openssl enc -a -d -aes-128-ctr -nosalt -pass env:PASS
domain.com

Last edited by Chubler_XL; 08-11-2016 at 10:13 PM..
 

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LEARN ABOUT DEBIAN

amcryptsimple

AMCRYPTSIMPLE(8)					  System Administration Commands					  AMCRYPTSIMPLE(8)

NAME

       amcryptsimple - reference simple crypt program for Amanda symmetric data encryption

SYNOPSIS

       amcryptsimple  to be called by Amanda only

DESCRIPTION

       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.

HOW TO CREATE PASSPHRASE

       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

NOTES

       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.

SEE ALSO

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

       The Amanda Wiki: : http://wiki.zmanda.com/

AUTHOR

       Kevin Till <kevin.till@zmanda.com>
	   Zmanda, Inc. (http://www.zmanda.com)

Amanda 3.3.1							    02/21/2012							  AMCRYPTSIMPLE(8)
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