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Special Forums Cybersecurity File encryption tools with MAC address as an encryption key Post 302896918 by sergionicosta on Thursday 10th of April 2014 01:43:20 AM
Old 04-10-2014
I'm sorry, there is a missing information.
For symmetric key, it uses AES to generate the symmetric key.

Other than AES key, it has another security feature, which is the file can only be decrypted on the computer that has similar MAC address with the destination MAC address that was defined during encryption by the sender.
 

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SMBTA-UTIL(8)						    System Administration tools 					     SMBTA-UTIL(8)

NAME
smbta-util - control encryption in VFS smb_traffic_analyzer SYNOPSIS
smbta-util smbta-util [COMMANDS...] DESCRIPTION
This tool is part of the samba(1) suite. smbta-util is a tool to ease the configuration of the vfs_smb_traffic_analyzer module regarding data encryption. The user can generate a key, install a key (activating encryption), or uninstall a key (deactivating encryption). Any operation that installs a key will create a File containing the key. This file can be used by smbta-tool on other machines to install the same key from the file. COMMANDS
-h Show a short help text on the command line. -f KEYFILE Open an existing keyfile, read the key from the file, and install the key, activating encryption. -g KEYFILE Generate a new random key, install the key, activate encryption, and store the key into the file KEYFILE. -u Uninstall the key, deactivating encryption. -s Check if a key is installed. -c KEYFILE Create a KEYFILE from an installed key. VERSION
This man page is correct for version 3.4 of the Samba suite. AUTHOR
The original version of smbta-util was created by Holger Hetterich. The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. Samba 3.6 03/29/2010 SMBTA-UTIL(8)
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