[Pcsclite-muscle] HELP! Any experience on smart card chip wearing?

[Dirk-Willem van Gulik]

> Some time ago we implemented system where smartcard signed continously. In order to have some understanding how reliable this might be, I did a test.
> 
> I had laptop with Ubuntu or Debian, smartcard with CardOS 4.3 (IIRC) from Siemens, CCID smartcard reader from Omnikey and small program that just signed continously. This experiment ran successfully for 540 days and created approximately 118 million signatures. The process ended with:
> 
> card-cardos.c:838:cardos_compute_signature: returning with: Internal error
> 
> Hardware was still ok, I was able to restart the process.

Same here (Feitian 2001 cards) - routinely able to do many millions on a card - provided that the card (or the SPR351 reader; we’re not sure) is powercylced once a year or so. 

Dw.