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use partiy.h and textual

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This commit is contained in:
iceman1001 2021-07-14 15:01:01 +02:00
commit e5fc1d83b2
2 changed files with 32 additions and 24 deletions
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38
client/src/cmdlfindala.c
View file

@ -18,16 +18,16 @@
#include "graph.h"
#include "cliparser.h"
#include "commonutil.h"
#include "ui.h" // PrintAndLog
#include "ui.h" // PrintAndLog
#include "proxgui.h"
#include "lfdemod.h" // parityTest, bitbytes_to_byte
#include "lfdemod.h" // parityTest, bitbytes_to_byte
#include "cmddata.h"
#include "cmdlf.h" // lf_read
#include "protocols.h" // t55 defines
#include "cmdlft55xx.h" // verifywrite
#include "cmdlf.h" // lf_read
#include "protocols.h" // t55 defines
#include "cmdlft55xx.h" // verifywrite
#include "cliparser.h"
#include "cmdlfem4x05.h" // EM defines
#include "parity.h" // parity
#define INDALA_ARR_LEN 64
static int CmdHelp(const char *Cmd);
@ -112,17 +112,6 @@ static void decodeHeden2L(uint8_t *bits) {
PrintAndLogEx(SUCCESS, " Heden-2L | %u", cardnumber);
}
bool parityEven(uint16_t x) {
x ^= x >> 1;
x ^= x >> 2;
x ^= x >> 4;
x ^= x >> 8;
x ^= x >> 16;
return (x & 0x01);
}
bool parityOdd(uint16_t x) { return(!parityEven(x)); }
// Indala 26 bit decode
// by marshmellow, martinbeier
// optional arguments - same as PSKDemod (clock & invert & maxerr)
@ -635,10 +624,11 @@ static int CmdIndalaClone(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf indala clone",
"clone Indala UID to T55x7 or Q5/T5555 tag\n"
"clone Indala UID to T55x7 or Q5/T5555 tag using different known formats\n"
_RED_("\nWarning, encoding with FC/CN doesn't always work"),
"lf indala clone --heden 888\n"
"lf indala clone --fc 123 --cn 1337\n"
"lf indala clone --heden 888 --> use Heden 2L format\n"
"lf indala clone --fc 123 --cn 1337 --> use standard 26b format\n"
"lf indala clone --fc 123 --cn 1337 --4041x --> use 4041x format\n"
"lf indala clone -r a0000000a0002021\n"
"lf indala clone -r 80000001b23523a6c2e31eba3cbee4afb3c6ad1fcf649393928c14e5");
@ -684,7 +674,7 @@ static int CmdIndalaClone(const char *Cmd) {
}
if( !got_26 & fmt4041x ) {
PrintAndLogEx(FAILED, "You must specify a facility code and card number when using 4041X format");
PrintAndLogEx(FAILED, "You must specify a facility code and card number when using 4041X format");
return PM3_EINVARG;
}
@ -805,7 +795,7 @@ static command_t CommandTable[] = {
{"demod", CmdIndalaDemod, AlwaysAvailable, "Demodulate an Indala tag (PSK1) from GraphBuffer"},
{"altdemod", CmdIndalaDemodAlt, AlwaysAvailable, "Alternative method to demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
{"reader", CmdIndalaReader, IfPm3Lf, "Read an Indala tag from the antenna"},
{"clone", CmdIndalaClone, IfPm3Lf, "Clone Indala 4041X tag to T55x7 or Q5/T5555"},
{"clone", CmdIndalaClone, IfPm3Lf, "Clone Indala tag to T55x7 or Q5/T5555"},
{"sim", CmdIndalaSim, IfPm3Lf, "Simulate Indala tag"},
{NULL, NULL, NULL, NULL}
};
@ -932,8 +922,8 @@ int getIndalaBits4041x(uint8_t fc, uint16_t cn, uint8_t *bits) {
bits[41] = (cn & 0x01); // LSB L
// Parity
bits[34] = parityEven((fc << 4) | (cn >> 12));
bits[38] = parityOdd(cn & 0x0fff);
bits[34] = evenparity16((fc << 4) | (cn >> 12));
bits[38] = oddparity16(cn & 0x0fff);
return PM3_SUCCESS;
}

18
common/parity.h
View file

@ -23,6 +23,24 @@ static inline uint8_t evenparity8(const uint8_t x) {
return !OddByteParity[x];
}
static inline uint8_t evenparity16(uint16_t x) {
#if !defined __GNUC__
x ^= x >> 8;
return evenparity8(x);
#else
return (__builtin_parity(x) & 0xFF);
#endif
}
static inline uint8_t oddparity16(uint16_t x) {
#if !defined __GNUC__
x ^= x >> 8;
return oddparity8(x);
#else
return !__builtin_parity(x);
#endif
}
static inline uint8_t evenparity32(uint32_t x) {
#if !defined __GNUC__
x ^= x >> 16;