OTP codes generator

A simple desktop application for generating OTP codes.

Download

You can always download the latest version from releases page.

Motivation

I just wanted use an open-source OTP application on my desktop, and it seems that there were no good options. Alternatives explored:

• WinAuth - unmaintained (latest release 3.5.1 on Oct 25, 2017; repository is archived); Windows-only
• LinOTP - does not provide either Windows pre-built binaries or at least build instructions for this OS (it seems that LinOTP only supports Linux). It also looks like a more enterprise-oriented solution, not a customer one, and it is an overkill for my purposes.
• andOTP, FreeOTP - mobile applications only
• Authy - proprietary (or at least I was unable to find the application's source code)

How to build

Requirements

• CMake 3.19 or newer
• A compiler with C++20 support
• PkgConfig (is used to find some dependencies)

Dependencies

• qt5-base
• liboath
• libgcrypt
• ntc-cmake. It is bundled in this repository as a submodule (see cmake/ntc-cmake directory).

Build instructions

Download the code and make sure that cmake/ntc-cmake directory contains ntc-cmake repository contents.

cmake -S . -B build -D CMAKE_BUILD_TYPE=Release
cmake --build build --target install --config Release

If some of dependencies are installed in non-standard prefixes, provide path(es) to them in -D CMAKE_PREFIX_PATH as a semicolon-separated list. If you want to install the application to a non-standard prefix, provide it with -D CMAKE_INSTALL_PREFIX option. Example:

cmake \
    -S . \
    -B build \
    -D CMAKE_BUILD_TYPE=Release \
    -D CMAKE_PREFIX_PATH=/path/to/liboath/prefix \
    -D CMAKE_INSTALL_PREFIX=/path/to/desired/prefix

You can also use conan to handle dependencies. Please use .github/workflows/linux.yml as an example of such approach.