Hello to all.

Do you know any way of secure pin while it travels from the computer to the
card?

More precisely, I have two cryptographic perimeters, one is an HSM, and the
other is the Smart Card.
The HSM communicates with the Smart Card trough a normal USB reader, using
OpensSC and PCSCD.
(the HSM runs a freeBSD inside it, so we normally install OpenSC and PCSCD).

The problem here is that the pin needed to log in the Smart Card travels in
an insecure way, while it goes trough the wire from the HSM to the Smart
Card.

I've been trying to create a protocol in which I could make a key agreement
before sending the pin, but I didn't find
any way to do it without having do log in inside a token (slot -> token).

Any ideas would be very apreciated.
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