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laforge has posted comments on this change by laforge. ( https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/42192?usp=email )
Change subject: ccid_device: Reject XfrBlock with zero-length data
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Patch Set 1:
(1 comment)
Patchset:
PS1:
When using your patch, the bankd will close the connection, because pcsc fail the transaction.
well, that is then how pcscd + the application deals with it, fine. If they want to deal with it differently, it's up to then. From the firmware/protocol point of view, returning a dwLength error looks like the right thing to do? Or do you have a different idea/understanding? Asking since you didn't +1 it yet.
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