Re: Typical smartcard response times

On Mon, 10 Feb 2020 21:36:18 +0100, Ludovic Rousseau wrote
> Have you tried what Peter wrote in a previous email:
> 1. using OPENSC_DEBUG=255 -> exact timing of APDUs
> 
> Compare a log generated on macOS with a log generated on Linux for the
> same command, like "pkcs11-tool -login -O"
> 
> It would be nice to known what parts are slower on macOS than on Linux.
> Maybe it is the APDU processing, maybe not.

Quick look shows APDU processing seems to be OK - also starting from 6 msec:

P:4574; T:0x140736015000448 08:01:24.955 [opensc-pkcs11] reader-pcsc.c:298:pcsc_transmit: 
Outgoing APDU (5 bytes):
00 B0 00 00 19 .....
P:4574; T:0x140736015000448 08:01:24.955 [opensc-pkcs11] reader-pcsc.c:216:pcsc_internal_transmit: called
P:4574; T:0x140736015000448 08:01:24.961 [opensc-pkcs11] reader-pcsc.c:307:pcsc_transmit: 
Incoming APDU (27 bytes):
A8 06 30 04 04 02 40 08 A0 06 30 04 04 02 40 00 [email protected]...@.
A4 06 30 04 04 02 40 04 00 90 00                ..0...@....
P:4574; T:0x140736015000448 08:01:24.962 [opensc-pkcs11] apdu.c:382:sc_single_transmit: returning with: 0 (Success)

Need to work on it further.

Thanks & kind regards,
MD