Catherine Gilbert Olaren15

GPG + Git SSH Authentication and Signing on Windows 10

Introduction

This simple Gist will explain how to settup your GPG key to work for SSH authentication (with Git) and Git commit signing on Windows 10. This may seem straightforward on Linux, but there are certain tweaks needed on Windows.

No Cygwin, no MinGW, no Git Bash or any other Linux emulated environment. This works in pure Windows 10.

Software needed

Deprecated

The method described in this gist has been deprecated/superceeded by kiler129/early-vfio-pci-isolate tool.
It is more robust, configurable, and doesn't hack around scripts that are sometimes overwritten by system updates. The tool uses similar methods to the ones described below, but extends the capabilities by e.g. easy NVMe passthrough by S/N.

The description below has been preserved for historical context. At the time of writing, the tool above has been tested for ~6 months across multiple systems.

GPG - SSH setup

Generating the master key

Here we create the master key. We want only Certify capability: we use the master key only to create the subkeys, Sign - Encrypt - Authenticate capabilities will be assigned to the subkeys.

Run the following command to start the master key generation process. Select the set your own capabilities creation process (type 8)

  ▶ gpg --full-generate-key --expert

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