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Covert Channels Evaluation Framework

Free download Covert Channels Evaluation Framework Linux app to run online in Ubuntu online, Fedora online or Debian online

This is the Linux app named Covert Channels Evaluation Framework whose latest release can be downloaded as cchef-0.3.tar.gz. It can be run online in the free hosting provider OnWorks for workstations.

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Covert Channels Evaluation Framework


Encryption is not sufficient to secure communication because often the simple fact that communication exists is often enough to raise suspicion and take further actions. Covert channels aim to hide the very existence of communication by using means of communication not normally intended to be used.

The Covert Channels Evaluation Framework (CCHEF) is a flexible software framework for empirically evaluating network steganography methods or covert channels in network protocols. CCHEF can be used in real networks with real overt traffic (e.g in research testbeds), but can also simulate covert channels using overt traffic from trace files (e.g. evaluation on a single host).

CCHEF is designed for evaluating covert channels and not for (mis)using them for actual covert communication. CCHEF's sender or receiver are normal user space applications that are not disguised in any way and do not contain any malware-like code, e.g. they do not illegally acquire superuser privileges etc.


Science/Research, Security

User interface


Programming Language




This is an application that can also be fetched from https://sourceforge.net/projects/cchef/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.