mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-07-05 20:41:34 -07:00
e68be39a41
Added an option for hf iclass legrec to further increase speeds by using a shorter delay of 1500 vs the default of 3390. This seems to be stable on new silicon especially now that we're keeping the field always on. It may be more risky for the --fast operation.
77 lines
3.6 KiB
C
77 lines
3.6 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_UPDATE_FAST 1500 // A copy of ICLASS_READER_TIMEOUT_UPDATE with reduced timeout values
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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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void iClass_Recover(iclass_recover_req_t *msg);
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void iClass_TearBlock(iclass_tearblock_req_t *msg);
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#endif
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