gpg4win

gpg4win

1. Download from the official website
2. Import pubkey, insert smart-card.
   1. Open kleopatra, Tools → Manage Smartcards, ensure yours is present.
   2. Do not close Kleopatra.
   3. Issue gpg.exe --card-status to refresh the SCDaemon.
   4. Press F5 in Kleopatra, assuming pubkey corresponds to private key stored on the card, relevant line will become highlighted with in bold.
   5. Change trust level of your own certificate to ultimate.
3. Export pubkey from a (sub)key that is allowed to authenticate: gpg.exe --export-ssh-key ID
4. Enable Putty support: echo "enable-putty-support" >> C:\Users\asv\AppData\Roaming\gnupg\test.conf
5. Restart daemon: gpg-connect-agent KILLAGENT /bye; gpg-agent.exe -v --enable-putty-support.
6. Try to login, authenticate card as usual. Should see something like this:
7. Configure git to sign commits by default:

git config --global gpg.program "C:\Program Files (x86)\GnuPG\bin\gpg.exe"
git config --global user.signingkey $LONG_KEY_ID
git config --global commit.gpgsign true