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How to Use Yubikey with OpenPGP for SSH Key Authentication

This post is about using Yubikey with OpenPGP for SSH Key Authentication. The previous post has talked about how to generate master and subkeys with OpenPGP and copy them into Yubikey The “Authentication” subkey generated there will be used for SSH Key authentication against a Linux box. Preparation on GPG4Win Go to “Kleopatra — Settings — GnuPG System — Private Keys”, […]

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How to Configure Yubikey with GPG – Generate and Import Keys

This post is about configuring Yubikey with GPG — Generate and Import Keys into Yubikey. Yubikey added a “physical layer” of protection on top of GPG. Environment GPG keys are generated on the Ubuntu Live CD/USB for security and redundant considerations 2 x Yubikeys, one primary, and one backup. Generate the Master Key The first step is