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105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/*
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Package:
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MiFare Classic Universal toolKit (MFCUK)
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Package version:
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0.1
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Filename:
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mfcuk_utils.h
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Description:
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MFCUK common utility functions prototypes.
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License:
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GPL2 (see below), Copyright (C) 2009, Andrei Costin
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* @file mfcuk_utils.h/
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* @brief
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*/
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/*
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VERSION HISTORY
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--------------------------------------------------------------------------------
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| Number : 0.1
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| dd/mm/yyyy : 23/11/2009
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| Author : zveriu@gmail.com, http://andreicostin.com
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| Description: Moved bulk of defines and prototypes from "mfcuk_keyrecovery_darkside.c"
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--------------------------------------------------------------------------------
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*/
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/*
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LICENSE
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MFCUK_UTILS_H_
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#define _MFCUK_UTILS_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef WIN32
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#define NOMINMAX
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#include "windows.h"
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#include "xgetopt.h"
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#elif __STDC__
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#endif
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// "Portable" sleep(miliseconds)
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#ifdef WIN32
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#define sleep(x) Sleep(x)
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#elif __STDC__
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extern struct timeval global_timeout;
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#define sleep(x) { global_timeout.tv_usec = 1000 * (x); select(0,NULL,NULL,NULL,&global_timeout); }
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#endif
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// "Portable" clear_screen() - NOTE: system performance penalty introduced
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#ifdef WIN32
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#define clear_screen() system("cls")
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#elif __STDC__
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#define clear_screen() system("sh -c clear")
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#endif
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/**
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* @fn int is_hex(char c)
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* @brief Checks if an ASCII character is a valid hexadecimal base digit
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* @param c The ASCII character to be checked
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* @return Returns true (non-zero) or false (zero)
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*
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* Checks if an ASCII character is a valid hexadecimal base digit.
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* Used for hex2bin() functionality.
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*/
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int is_hex(char c);
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/**
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* @fn unsigned char hex2bin(unsigned char h, unsigned char l)
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* @brief Converts from two nibbles (4 bits) into the corresponding byte
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* @param h The HIGH (left-most in human reading) nibble of two-char hex representation of a byte
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* @param l The LOW (right-most in human reading) nibble of two-char hex representation of a byte
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* @return Returns the byte which is formed from the two-char hex representation of it
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*
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* Converts from two nibbles (4 bits) into the corresponding byte.
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* Uses the algorithm and implementation from here:
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* http://www.velocityreviews.com/forums/t451319-advice-required-on-my-ascii-to-hex-conversion-c.html
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*/
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unsigned char hex2bin(unsigned char h, unsigned char l);
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#endif // _MFCUK_UTILS_H_
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