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Tillitis TKey Test Apps

This repository contains some test and example applications for the Tillitis TKey USB security stick.

Client apps:

  • runtimer: Control the timer device app. NOTA BENE! Doesn't load the timer. Please load it first with tkey-runapp.

Device apps:

  • rng_stream: Outputs high quality random numbers directly. You can cat directly from the TKey device but see also tkey-random-generator for something more polished.
  • blink: A minimalistic example in assembly.
  • nx: Test program for the execution monitor. Should blink green then immediately do a hardware trap and blink red forever.
  • timer: Example/test app on how to use the hardware timer. Feed it with data with runtimer.
  • touch: Example/test app for the touch sensor. Cycles between colours when touching.

See the TKey Developer Handbook for how to develop your own apps, how to run and debug them in the emulator or on real hardware.

Current list of known projects.

See Release notes.

Building

You have two options, either our OCI image ghcr.io/tillitis/tkey-builder for use with a rootless podman setup, or native tools. See the Devoloper Handbook for setup.

With native tools you should be able to use our build script:

$ ./build.sh

which also clones and builds the TKey device libraries first.

If you want to do it manually, clone and build tkey-libs and tkey-device-signer manually like this:

$ git clone -b v0.1.1 https://github.com/tillitis/tkey-libs
$ cd tkey-libs
$ make

Then go back to this directory and build everything:

$ make

If you cloned tkey-libs to somewhere else then the default set LIBDIR to the path of the directory.

If your available objcopy is anything other than the default llvm-objcopy, then define OBJCOPY to whatever they're called on your system.

If you want to use podman and you have make you can run:

$ podman pull ghcr.io/tillitis/tkey-builder:4
$ make podman

or run podman directly with

$ podman run --rm --mount type=bind,source=$(CURDIR),target=/src --mount type=bind,source=$(CURDIR)/../tkey-libs,target=/tkey-libs -w /src -it ghcr.io/tillitis/tkey-builder:4 make -j

Licenses and SPDX tags

Unless otherwise noted, the project sources are licensed under the terms and conditions of the "GNU General Public License v2.0 only":

Copyright Tillitis AB.

These programs are free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 only.

These programs are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see:

https://www.gnu.org/licenses

See LICENSE for the full GPLv2-only license text.

External source code we have imported are isolated in their own directories. They may be released under other licenses. This is noted with a similar LICENSE file in every directory containing imported sources.

The project uses single-line references to Unique License Identifiers as defined by the Linux Foundation's SPDX project on its own source files, but not necessarily imported files. The line in each individual source file identifies the license applicable to that file.

The current set of valid, predefined SPDX identifiers can be found on the SPDX License List at:

https://spdx.org/licenses/

All contributors must adhere to the Developer Certificate of Origin.