mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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145 lines
No EOL
4.1 KiB
Lua
145 lines
No EOL
4.1 KiB
Lua
--[[
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This is a library to read 14443a tags. It can be used something like this
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local reader = require('read14a')
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result, err = reader.read1443a()
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if not result then
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print(err)
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return
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end
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print(result.name)
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--]]
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-- Loads the commands-library
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local cmds = require('commands')
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local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
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local ISO14A_COMMAND = {
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ISO14A_CONNECT = 1,
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ISO14A_NO_DISCONNECT = 2,
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ISO14A_APDU = 4,
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ISO14A_RAW = 8,
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ISO14A_REQUEST_TRIGGER = 0x10,
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ISO14A_APPEND_CRC = 0x20,
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ISO14A_SET_TIMEOUT = 0x40
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}
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local ISO14443a_TYPES = {}
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ISO14443a_TYPES[0x00] = "NXP MIFARE Ultralight | Ultralight C"
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ISO14443a_TYPES[0x01] = "NXP MIFARE TNP3xxx Activision Game Appliance"
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ISO14443a_TYPES[0x04] = "NXP MIFARE (various !DESFire !DESFire EV1)"
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ISO14443a_TYPES[0x08] = "NXP MIFARE CLASSIC 1k | Plus 2k"
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ISO14443a_TYPES[0x09] = "NXP MIFARE Mini 0.3k"
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ISO14443a_TYPES[0x10] = "NXP MIFARE Plus 2k"
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ISO14443a_TYPES[0x11] = "NXP MIFARE Plus 4k"
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ISO14443a_TYPES[0x18] = "NXP MIFARE Classic 4k | Plus 4k"
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ISO14443a_TYPES[0x20] = "NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"
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ISO14443a_TYPES[0x24] = "NXP MIFARE DESFire | DESFire EV1"
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ISO14443a_TYPES[0x28] = "JCOP31 or JCOP41 v2.3.1"
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ISO14443a_TYPES[0x38] = "Nokia 6212 or 6131 MIFARE CLASSIC 4K"
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ISO14443a_TYPES[0x88] = "Infineon MIFARE CLASSIC 1K"
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ISO14443a_TYPES[0x98] = "Gemplus MPCOS"
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local function tostring_1443a(sak)
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return ISO14443a_TYPES[sak] or ("Unknown (SAK=%x)"):format(sak)
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end
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local function parse1443a(data)
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--[[
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Based on this struct :
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typedef struct {
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byte_t uid[10];
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byte_t uidlen;
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byte_t atqa[2];
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byte_t sak;
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byte_t ats_len;
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byte_t ats[256];
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} __attribute__((__packed__)) iso14a_card_select_t;
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--]]
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local count,uid,uidlen, atqa, sak, ats_len, ats= bin.unpack('H10CH2CC',data)
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uid = uid:sub(1,2*uidlen)
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--print("uid, atqa, sak: ",uid, atqa, sak)
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--print("TYPE: ", tostring_1443a(sak))
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return { uid = uid, atqa = atqa, sak = sak, name = tostring_1443a(sak)}
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end
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--- Sends a USBpacket to the device
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-- @param command - the usb packet to send
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-- @param ignoreresponse - if set to true, we don't read the device answer packet
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-- which is usually recipe for fail. If not sent, the host will wait 2s for a
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-- response of type CMD_ACK
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-- @return packet,nil if successfull
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-- nil, errormessage if unsuccessfull
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local function sendToDevice(command, ignoreresponse)
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core.clearCommandBuffer()
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local err = core.SendCommand(command:getBytes())
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if err then
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print(err)
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return nil, err
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end
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if ignoreresponse then return nil,nil end
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local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
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return response,nil
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end
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-- This function does a connect and retrieves som einfo
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-- @param dont_disconnect - if true, does not disable the field
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-- @return if successfull: an table containing card info
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-- @return if unsuccessfull : nil, error
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local function read14443a(dont_disconnect)
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local command, result, info, err, data
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command = Command:new{cmd = cmds.CMD_READER_ISO_14443a,
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arg1 = ISO14A_COMMAND.ISO14A_CONNECT}
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if dont_disconnect then
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command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_DISCONNECT
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end
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local result,err = sendToDevice(command)
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if result then
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local count,cmd,arg0,arg1,arg2 = bin.unpack('LLLL',result)
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if arg0 == 0 then
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return nil, "iso14443a card select failed"
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end
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data = string.sub(result,count)
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info, err = parse1443a(data)
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else
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err ="No response from card"
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end
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if err then
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print(err)
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return nil, err
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end
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return info
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end
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---
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-- Waits for a mifare card to be placed within the vicinity of the reader.
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-- @return if successfull: an table containing card info
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-- @return if unsuccessfull : nil, error
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local function waitFor14443a()
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print("Waiting for card... press any key to quit")
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while not core.ukbhit() do
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res, err = read14443a()
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if res then return res end
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-- err means that there was no response from card
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end
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return nil, "Aborted by user"
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end
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local library = {
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read1443a = read14443a,
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read = read14443a,
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waitFor14443a = waitFor14443a,
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parse1443a = parse1443a,
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sendToDevice = sendToDevice,
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ISO14A_COMMAND = ISO14A_COMMAND,
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}
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return library |