d5bbda3d67
mfcuk added to utils cmakelist modified acr122_usb.C et pn53x_usb.c modified to remove errors when compiling on Visual Studio 2022 on Windows
108 lines
2.7 KiB
C
108 lines
2.7 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.c
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Description:
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MFCUK common utility functions implementation.
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License:
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GPL2 (see below), Copyright (C) 2009, Andrei Costin
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* @file mfcuk_utils.c
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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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#include "config.h"
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#if defined(WIN32)
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#include <windows.h>
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#elif defined(HAVE_UNISTD_H)
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#include <unistd.h>
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#else
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#error "Unsupported system"
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#endif
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#include "mfcuk_utils.h"
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#include <stdio.h>
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/*
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http://www.velocityreviews.com/forums/t451319-advice-required-on-my-ascii-to-hex-conversion-c.html
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Basically, converting a hex digit into a hex nibble (4 binary digits) algorithm looks like;
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char xdigit; // hex digit to convert [0-9A-Fa-f]
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xdigit = tolower(xdigit); // make it lowercase [0-9a-f]
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xdigit -= '0'; // if it was a [0-9] digit, it's the value now
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if(xdigit > 9) // if it was a [a-f] digit, compensate for that
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xdigit = xdigit + '0' - 'a';
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The below code is just an optimization of the algorithm. Maxim Yegorushkin
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*/
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/*inline*/
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int is_hex(char c)
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{
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return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
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}
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/*inline*/
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unsigned char hex2bin(unsigned char h, unsigned char l)
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{
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h |= 0x20; // to lower
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h -= 0x30;
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h -= -(h > 9) & 0x27;
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l |= 0x20;
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l -= 0x30;
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l -= -(l > 9) & 0x27;
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return h << 4 | l;
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}
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void sleepmillis(unsigned int millis)
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{
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#ifdef WIN32 // If system is Windows, use system's own function if possible to reduce overhead, even if a standard C library is available
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Sleep(millis);
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#else
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usleep(millis * 1000);
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#endif
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}
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void clear_screen()
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{
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#ifdef WIN32 // On Windows, use "cls" command
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system("cls");
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#else // Otherwise fall back to TTY control characters
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printf("\033[1;1H\033[J");
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#endif
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}
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