---
name: "cisco-decrypt"
section: "1"
platform: "linux"
package: "vpnc"
version: "1:0.5.3.r557.r241-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/cisco-decrypt"
---

# cisco-decrypt(1)

decrypts an obfuscated Cisco vpn client pre-shared key

## NAME

cisco-decrypt - decrypts an obfuscated Cisco vpn client pre-shared key

## SYNOPSIS

**cisco-decrypt** *\<obfuscated pre-shared key\>*

## DESCRIPTION

*This command accompanies* **vpnc**. It decrypts the obfuscated pre-shared key from \*.pcf-configuration files, which must be specified on the command line.

The result will be printed to STDOUT.

## AUTHOR

cisco-decrypt was originally written by Maurice Massar. This man-page was written by Jörg Mayer, based on the pcf2vpnc manpage written by Wolfram Sang (ninja(at)the-dreams.de).

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

## SEE ALSO

**[vpnc(8)](/vpnc/8.md)** **[pcf2vpnc(1)](/pcf2vpnc/1.md)**