Alexander Inyukhin 76adf6e383 Authenticate devices with long uids ...

It seems that the last four uid bytes should be used for
auth instead of first ones.

This patch allows to work with Mifare plus cards in SL1 mode,
that have 7 byte uids (e.g. Troyka transport cards.)

See also "3.2.5 MIFARE Classic Authentication" of AN10927 document.
http://cache.nxp.com/documents/application_note/AN10927.pdf

2016-09-10 15:47:55 +03:00

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