Use-cases are roughly divided into two categories: convenience and added security. Nowadays hardware security tokens are quite versatile and can be used for a variety of interesting things. These tokens require extreme dedication, time and money to forge or maliciously acquire. Such a token and its secrets can not be copied by large malware attacks.Īpplications and services that have to authenticate your access can use a physical token as a factor of ownership and identification. Hardware security tokens are a physical, cryptographically secured storage for secrets. In times of sophisticated malware and always-and-everything-on(line), software based storage of credentials becomes at least unsettling. This article explains how to configure Yubico’s YubiKey, a hardware security token, and Fedora Linux Workstation for typical use-cases such as logging into GDM, authentication for the sudo command, OpenSSH authentication and key management, or as a second-factor on the web.
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