Dear Ludovic,
> Try a new version of libusb. The current "stable" version is bogus in
> many ways.
> You can get a snapshot at
> http://ludovic.rousseau.free.fr/softwares/pcsc-lite/$
Tried, but without success. No real impact.
> > This is a (known) limitation of my CCID driver. Very few readers are
> > affected by this limitation.
I tried a very simple test to validate this speed issue:
in ifdhandler.c, I modified line 1902:
from :
return FALSE;
to
return TRUE;
This tells libccid that the reader supports the card speed.
This allows me to read the card at 128.000 bps instead of 10.753 bps
The result was immediate:
The same dump dropped from 15 seconds to 2 seconds.I ran the tests 10
times. Same speed as under Windows.
Furthermore, there does not seem to have timeouts any longer.
Really, I would appreciate a patch from a known hacker.
This issue is so obvious that it shall be considered a bug.
IMHO, it seems that this issue could impact the list of non-supported
readers (not listed because of timeouts). It has commercial impact and
it would be "fair" to multiply by 5 or 6 the speed of dumps for (10)
thousands of libccid users. When I think about the users ... it makes me
shiver.
Kind regards,
--
Jean-Michel Pouré - Gooze - http://www.gooze.eu
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