HID Omnikey 3121 Smart Card Reader and GPG

NIIBE Yutaka gniibe at fsij.org
Thu Jul 8 09:48:04 CEST 2021


Brandon Anderson wrote:
> So I have purchased an Omnikey 3121 smart card reader for use with my
> GPG smart card version 2.1.

Reading the descriptors:


It says:

   02.... Short APDU level exchange

This means that the reader cannot handle larger data.

So, I think that Omnikey CardMan 3121 can work in the use case with
OpenPGP card if it's key is RSA 1024.

But it doesn't work well for RSA-2048 or RSA-4096.

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