FSFE wiki card howto / subkeys

Daniel Pocock daniel at pocock.com.au
Sun Oct 7 17:43:16 UTC 2012

The how-to guides:


all steer people away from keeping the main key on a card.  Yet some of
the coloured notes here:


suggest that may not be best practice today.

Can anyone comment on the state of play?

My understanding is that various possibilities exist, potentially with
multiple cards:

card 1:
- main RSA private key
- used for signing other keys
- kept in a safe at home

card 2:
- sub key
- signed by main key
- card that is kept in the wallet

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