MIFARE Ultralight (and derivates) protocol operates on top of ISO/IEC 14443-3.So regarding emulation of various MIFARE protocols: Moreover, the API doesn't give you any means to specify if card emulation should be done using Type A or Type B protocol. More specifically you can only emulate application structures according to ISO/IEC 7816-4 (thus card emulation applications need to be selected though an AID). With host-based card emulation (HCE) in Android 4.4 you can only emulate the ISO/IEC 14443-4 protocol. Any thing that is worth knowing would be very appreciated. So does anyone have any knowledge in card emulation on android. So I'm interested in starting research with this card, because it is the easiest one to reproduce. This card is a security nightmare, there is no encryption and only about 10 functions it does. To make things simple, currently I'm investigating the basic most simple emulation for Mifare Ultralight. I looked through android API and the Host-based card emulation seems to be able to do the trick, but as I understand it is new thing in 4.4 Kitkat, does anyone have any experience with that? Some people say it is possible, some say it is not. I have researched this for about 3 days now, and the conclusion is there is no one constant pattern. I don't understand currently, does android enable full card emulation. I have proxmark and I have made multiple emulation codes for proxmark, so I know how the cards communicate. I have researched Mifare and other card emulation I have very good knowledge in programming (not Android, but C/C++).

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