gnupg: SmartCard-HSM

 
 6.3.6 The SmartCard-HSM card application "sc-hsm"
 -------------------------------------------------
 
 This application adds read-only support for keys and certificates stored
 on a SmartCard-HSM (http://www.smartcard-hsm.com).
 
    To generate keys and store certificates you may use OpenSC
 (https://github.com/OpenSC/OpenSC/wiki/SmartCardHSM) or the tools from
 OpenSCDP (http://www.openscdp.org).
 
    The SmartCard-HSM cards requires a card reader that supports Extended
 Length APDUs.