On Mon, 16 Sep 2019 23:49, gnupg-users@gnupg.org said: > speak, with a specially crafted software, when using an online computer > with a SmardCard? I have read that the secret key can not been copied from > the card, but what about the 'bits and pieces' in memory when decrypting?
Side-channel attacks on smartcards are an pretty old thing dating back to the late 80ies. Current smartcards are hardened against most such attacks. Unless you have physical access to the card the secrets and their use on the card/token are well protected against any sniffing by the host. Salam-Shalom, Werner -- Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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