proxmark3/client/lualibs/read14a.lua

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--[[
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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')
result, err = reader.read14443a()
if not result then
print(err)
return
end
print(result.name)
--]]
-- Loads the commands-library
local taglib = require('taglib')
local cmds = require('commands')
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-- Shouldn't take longer than 2 seconds
local TIMEOUT = 2000
local ISO14A_COMMAND = {
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ISO14A_CONNECT = 1,
ISO14A_NO_DISCONNECT = 2,
ISO14A_APDU = 4,
ISO14A_RAW = 8,
ISO14A_REQUEST_TRIGGER = 0x10,
ISO14A_APPEND_CRC = 0x20,
ISO14A_SET_TIMEOUT = 0x40,
ISO14A_NO_SELECT = 0x80,
ISO14A_TOPAZMODE = 0x100,
ISO14A_NO_RATS = 0x200
}
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local ISO14443a_TYPES = {}
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ISO14443a_TYPES[0x00] = "NXP MIFARE Ultralight | Ultralight C | NTAG"
ISO14443a_TYPES[0x01] = "NXP MIFARE TNP3xxx Activision Game Appliance"
ISO14443a_TYPES[0x04] = "NXP MIFARE (various !DESFire !DESFire EV1)"
ISO14443a_TYPES[0x08] = "NXP MIFARE CLASSIC 1k | Plus 2k"
ISO14443a_TYPES[0x09] = "NXP MIFARE Mini 0.3k"
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ISO14443a_TYPES[0x0A] = "FM11RF005SH (Shanghai Metro)"
ISO14443a_TYPES[0x10] = "NXP MIFARE Plus 2k"
ISO14443a_TYPES[0x11] = "NXP MIFARE Plus 4k"
ISO14443a_TYPES[0x18] = "NXP MIFARE Classic 4k | Plus 4k"
ISO14443a_TYPES[0x20] = "NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"
ISO14443a_TYPES[0x24] = "NXP MIFARE DESFire | DESFire EV1"
ISO14443a_TYPES[0x28] = "JCOP31 or JCOP41 v2.3.1"
ISO14443a_TYPES[0x38] = "Nokia 6212 or 6131 MIFARE CLASSIC 4K"
ISO14443a_TYPES[0x88] = "Infineon MIFARE CLASSIC 1K"
ISO14443a_TYPES[0x98] = "Gemplus MPCOS"
local function tostring_14443a(sak)
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return ISO14443a_TYPES[sak] or ("Unknown (SAK=%x)"):format(sak)
end
local function parse14443a(data)
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--[[
typedef struct {
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uint8_t uid[10];
uint8_t uidlen;
uint8_t atqa[2];
uint8_t sak;
uint8_t ats_len;
uint8_t ats[256];
} PACKED iso14a_card_select_t;
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--]]
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local count, uid, uidlen, atqa, sak, ats_len, ats = bin.unpack('H10CH2CCH', data)
uid = uid:sub(1, 2 * uidlen)
local man_byte = tonumber(uid:sub(1,2), 16)
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return {
uid = uid,
atqa = atqa,
sak = sak,
name = tostring_14443a(sak),
data = data,
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manufacturer = taglib.lookupManufacturer(man_byte),
ats = ats
}
end
-- This function does a connect and retrieves som einfo
-- @param dont_disconnect - if true, does not disable the field
-- @return if successful: an table containing card info
-- @return if unsuccessful : nil, error
local function read14443a(dont_disconnect, no_rats)
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local command, result, info, err, data
command = Command:newMIX{
cmd = cmds.CMD_HF_ISO14443A_READER,
arg1 = ISO14A_COMMAND.ISO14A_CONNECT
}
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if dont_disconnect then
command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_DISCONNECT
end
if no_rats then
command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_RATS
end
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local result, err = command:sendMIX()
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if result then
local count, cmd, arg1, arg2, arg3 = bin.unpack('LLLL',result)
if arg1 == 0 then
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 = parse14443a(data)
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else
err = 'No response from card'
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end
if err then
print(err)
return nil, err
end
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return info, nil
end
---
-- Waits for a mifare card to be placed within the vicinity of the reader.
-- @return if successful: an table containing card info
-- @return if unsuccessful : nil, error
local function waitFor14443a()
print('Waiting for card... press Enter to quit')
while not core.kbd_enter_pressed() do
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res, err = read14443a()
if res then return res end
-- err means that there was no response from card
end
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return nil, 'Aborted by user'
end
-- Sends an instruction to do nothing, only disconnect
local function disconnect14443a()
local c = Command:newMIX{cmd = cmds.CMD_HF_ISO14443A_READER}
-- We can ignore the response here, no ACK is returned for this command
-- Check /armsrc/iso14443a.c, ReaderIso14443a() for details
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return c:sendMIX(true)
end
local library = {
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read = read14443a,
waitFor14443a = waitFor14443a,
parse14443a = parse14443a,
disconnect = disconnect14443a,
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ISO14A_COMMAND = ISO14A_COMMAND,
}
return library