On the menu prompt select the default RSA and RSA (default) unless there are other explicit requirements.
Please select what kind of key you want:
(1) RSA and RSA (default)
(2) DSA and Elgamal
(3) DSA (sign only)
(4) RSA (sign only)
(14) Existing key from card
Your selection? 1
What keysize do you want? Enter the desired or use default
Select key expiry period. Choose the desired or use default.
Please specify how long the key should be valid.
0 = key does not expire
<n> = key expires in n days
<n>w = key expires in n weeks
<n>m = key expires in n months
<n>y = key expires in n years
Key is valid for? (0)
Confirm your choices and press enter.
Is this correct? (y/N) y
The prompt will require you to enter the identity for your key. Enter any name must be at least 5 characters long.
GnuPG needs to construct a user ID to identify your key.
Real name: duplicity
Then enter your email address on the next prompt then enter
Then enter a comment on the next prompt then enter
Finally, confirm all your entries.
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O
You'll be presented with a password dialog, enter a secure password.