A CLI tool to generate TOTP values from a password protected YubiKey by storing the password in the system-protected keyring.
Project description
yk-totp
yk-totp
is a little CLI util for YubiKeys,
that will generate TOTP codes upon request.
The added benefit compared to the official ykman
is that it offers
to store the password for unlocking your YubiKey in your system's keyring,
whereas ykman
stores your password in it's config file.
(While the password is stored as PBKDF2HMAC
-hash and not in plain-text,
this hash is all that is required to get to your 2FA,
yet this hash is not protected in anyway.)
This allows yk-totp
to be used in other tools (like in an [Alfred Worflow][alred-wf])
which don't offer facilities to store or enter a password,
or where it's inconvenient to repeatedly enter the password.
Requirements
This tool requires Python 3 and an operating system that is supported by both,
the keyring
Python module and by the ykman
tool from YubiCo.
Installation
For now, the way to install yk-totp
is via PIP:
pip3 install -U yk-totp
Use the same command to update to a new version.
Error while installation
If you get errors while installing yk-totp
, try this:
# Update the Python modules responsible for installing other modules
pip3 install -U pip wheel setuptools
Check if you have swig
installed,
which is apparently required to install pyscard
,
which is a dependency of ykman
:
# macOS with Homebrew
brew install swig
# Linux (apt)
sudo apt update && sudo apt install swig
# Linux (yum)
sudo yum install swig
# Windows with Chocolately
choco install swig
Licensing and Copyright
This code is copyrighted. But it can be used under the terms of the MIT license for your own purposes. It builds upon the following third party modules:
- keyring for the interaction with the operating system's keyring, which is MIT licensed.
- yubikey-manager for communicating with the YubiKey, which is licensed under a BSD-2-Clause License.
- click for the CLI interface, which is licensed under a BSD-3-Clause License.
Open source software rocks 🎸!
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