GPG Key to Card

How to move your PGP private key across to a smartcard using gpg for Windows:

gpg --edit-key Key_ID_here

*
You should see some background on your key. Key line is “Secret key available.”

GPG will enter interactive mode – you will see gpg> at the start of the command line.

toggle

then

key 1

followed by

keytocard

When asked to select where to store the key, enter:

2

(It’s got an E flag, so can only be stored in the E slot on card). You will then need to enter your passphrase followed by the admin key on the card.

key 1

then

key 0

keytocard

Really move the primary key? (y/N)

y

Please select where to store the key:
(1) Signature key
(3) Authentication key
Your selection?

1

You will be asked for your passphrase and then your admin PIN again.

finally:

save

And you’re done.