USB key form-factor smart-card readers with pinpads?

Sam Kuper sam.kuper at
Sun Jan 5 16:18:53 CET 2014

On Jan 5, 2014 1:18 PM, "Werner Koch" <wk at> wrote:
> On Sun,  5 Jan 2014 05:02, sam.kuper at said:
> Take care: The Omnikey does not work with free software and 2048 bit
> or larger keys.  Better get a Gemalto or Identive (SCM) reader.

Thanks for the warning :)

> > In group 2 above, the smallest reader I have found online which offers
> > secure PIN entry is the ACR83.
> The question is whether this is really helpful.  Yes, it protects your
> PIN but it does not protect the use of your decryption key.

Please could you elaborate?

> Even if the
> latter would be changed, it would also be quite inconvenient to enter
> the PIN for each encryption.

Security generally has to be weighed against convenience. Calluses are a
small price to pay for a secure PIN :)

Best regards,

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