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		1975868ed8
		
			
		
	
	
	
	
		
			
			* add mdedtls for des3 implementation * add localss from RfidResearchGroup/proxmark3 * picopass reader app and rfal for communicating with picopass cards * always turn off field * close storage when keys are not found * Add mbedtls as submodule * add mbedtl_config * Switched to only including specific mbedtls files I need. Thank you @kevinwallace * cherry-pick kevinwallace sconsify * scons for mbedtls/loclass * Reset to ready state on error * unsigned FC/CN * clean FC/CN if not decoded Co-authored-by: hedger <hedger@users.noreply.github.com> Co-authored-by: あく <alleteam@gmail.com> Co-authored-by: Kevin Wallace <git+flipperzero@kevin.wallace.seattle.wa.us>
		
			
				
	
	
		
			65 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| //-----------------------------------------------------------------------------
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| // Borrowed initially from https://github.com/holiman/loclass
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| // More recently from https://github.com/RfidResearchGroup/proxmark3
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| // Copyright (C) 2014 Martin Holst Swende
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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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| // WARNING
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| //
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| // THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
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| //
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| // USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
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| // PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
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| // AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
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| //
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| // THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
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| //-----------------------------------------------------------------------------
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| // It is a reconstruction of the cipher engine used in iClass, and RFID techology.
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| //
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| // The implementation is based on the work performed by
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| // Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
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| // Milosch Meriac in the paper "Dismantling IClass".
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| //-----------------------------------------------------------------------------
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| #ifndef CIPHERUTILS_H
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| #define CIPHERUTILS_H
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| #include <stdint.h>
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| #include <stdbool.h>
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| #include <stdlib.h>
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| 
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| typedef struct {
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|     uint8_t *buffer;
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|     uint8_t numbits;
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|     uint8_t position;
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| } BitstreamIn_t;
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| 
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| typedef struct {
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|     uint8_t *buffer;
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|     uint8_t numbits;
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|     uint8_t position;
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| } BitstreamOut_t;
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| 
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| bool headBit(BitstreamIn_t *stream);
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| bool tailBit(BitstreamIn_t *stream);
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| void pushBit(BitstreamOut_t *stream, bool bit);
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| int bitsLeft(BitstreamIn_t *stream);
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| 
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| void push6bits(BitstreamOut_t *stream, uint8_t bits);
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| void x_num_to_bytes(uint64_t n, size_t len, uint8_t *dest);
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| uint64_t x_bytes_to_num(uint8_t *src, size_t len);
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| uint8_t reversebytes(uint8_t b);
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| void reverse_arraybytes(uint8_t *arr, size_t len);
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| void reverse_arraycopy(uint8_t *arr, uint8_t *dest, size_t len);
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| #endif // CIPHERUTILS_H
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