SmartCard: Encryption/Decryption problem
wk at gnupg.org
Thu May 5 10:49:18 CEST 2005
On Wed, 04 May 2005 21:12:23 +0200, Georg C F Greve said:
> I this still in kernel or already in GnuPG?
I don't assume that the kernel currupts data. So the problem is
either in gpg or in the reader.
> Who would have to analyse this?
I did extensive code staring and could not find a problem in my code.
Given that I don't have any problems when using a reader with an
updated firmware, I am pretty sure that it is the reader's fault.
To develop a workaround for the readers with non-updatable firmware, I
need to talk with the vendor. What _might_ help is to limit the packet
size even further. In g10/ccid-driver.c, look for
DEBUGOUT ("enabling workaround for buggy SCM readers\n");
handle->max_ifsd = 48;
and change the ifsd to 45.
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