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73 lines
3.4 KiB
C
73 lines
3.4 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) Gerhard de Koning Gans - May 2008
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// Contribution made during a security research at Radboud University Nijmegen
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// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// See LICENSE.txt for the text of the license.
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//-----------------------------------------------------------------------------
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#ifndef __ICLASS_H
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#define __ICLASS_H
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#include "common.h"
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#include "iclass_cmd.h"
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// iCLASS has a slightly different timing compared to ISO15693. According to the picopass data sheet the tag response is expected 330us after
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// the reader command. This is measured from end of reader EOF to first modulation of the tag's SOF which starts with a 56,64us unmodulated period.
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// 330us = 140 ssp_clk cycles @ 423,75kHz when simulating.
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// 56,64us = 24 ssp_clk_cycles
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#define DELAY_ICLASS_VCD_TO_VICC_SIM (140 - 26) // (140 - 24)
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// times in ssp_clk_cycles @ 3,3625MHz when acting as reader
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#define DELAY_ICLASS_VICC_TO_VCD_READER DELAY_ISO15693_VICC_TO_VCD_READER
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// times in samples @ 212kHz when acting as reader
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#define ICLASS_READER_TIMEOUT_ACTALL 330 // 1558us, nominal 330us + 7slots*160us = 1450us
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#define ICLASS_READER_TIMEOUT_UPDATE 3390 // 16000us, nominal 4-15ms
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#define ICLASS_READER_TIMEOUT_OTHERS 80 // 380us, nominal 330us
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// The length of a received command will in most cases be no more than 18 bytes.
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// we expect max 34 (32+2) bytes as tag answer (response to READ4)
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#ifndef ICLASS_BUFFER_SIZE
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#define ICLASS_BUFFER_SIZE 34 + 2
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#endif
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#define AddCrc(data, len) compute_crc(CRC_ICLASS, (data), (len), (data)+(len), (data)+(len)+1)
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void SniffIClass(uint8_t jam_search_len, uint8_t *jam_search_string);
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void ReaderIClass(uint8_t flags);
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void iClass_WriteBlock(uint8_t *msg);
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void iclass_credit_epurse(iclass_credit_epurse_t *payload);
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void iClass_Dump(uint8_t *msg);
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void iClass_Restore(iclass_restore_req_t *msg);
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int do_iclass_simulation_nonsec(void);
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int do_iclass_simulation(int simulationMode, uint8_t *reader_mac_buf);
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void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
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void iclass_simulate(uint8_t sim_type, uint8_t num_csns, bool send_reply, uint8_t *datain, uint8_t *dataout, uint16_t *dataoutlen);
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void iClass_Authentication_fast(iclass_chk_t *p);
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bool iclass_auth(iclass_auth_req_t *payload, uint8_t *out);
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void iClass_ReadBlock(uint8_t *msg);
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bool iclass_read_block(uint16_t blockno, uint8_t *data, uint32_t *start_time, uint32_t *eof_time, bool shallow_mod);
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bool select_iclass_tag(picopass_hdr_t *hdr, bool use_credit_key, uint32_t *eof_time, bool shallow_mod);
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bool authenticate_iclass_tag(iclass_auth_req_t *payload, picopass_hdr_t *hdr, uint32_t *start_time, uint32_t *eof_time, uint8_t *mac_out);
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uint8_t get_pagemap(const picopass_hdr_t *hdr);
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void iclass_send_as_reader(uint8_t *frame, int len, uint32_t *start_time, uint32_t *end_time, bool shallow_mod);
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#endif
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