C-Netz: Generator and Arduino programmer for SIM cards
It supports the simple memory cards only. Works only with very early phones, like BSA51 (tested so far). An SLE4428 card must be written. The card must not have any protected serial number area. Also the card must read all 416 written bits via ATR, not only the first 32 bits.pull/1/head
parent
50e311590a
commit
e029a6a858
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@ -13,6 +13,7 @@ libcolorize.pc
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libtool
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ltmain.sh
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missing
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compile
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*.o
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*.lo
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*.la
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@ -25,6 +26,7 @@ src/bnetz/bnetz
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src/cnetz/cnetz
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src/nmt/nmt
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src/amps/amps
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sim/cnetz_sim
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src/test/test_compandor
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src/test/test_emphasis
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src/test/test_dms
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@ -1,4 +1,4 @@
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AUTOMAKE_OPTIONS = foreign
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ACLOCAL_AMFLAGS = -I m4
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SUBDIRS = src
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SUBDIRS = src sim
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@ -35,6 +35,7 @@ AC_OUTPUT(
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src/amps/Makefile
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src/test/Makefile
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src/Makefile
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sim/Makefile
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Makefile)
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@ -0,0 +1,10 @@
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AM_CPPFLAGS = -Wall -g $(all_includes)
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bin_PROGRAMS = \
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cnetz_sim
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cnetz_sim_SOURCES = \
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sim.c
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cnetz_sim_LDADD = \
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$(COMMON_LA)
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@ -0,0 +1,15 @@
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This is a generator for the C-Netz Sim Card
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"Berechtigungskarte als Speicherkarte".
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The Smart Card "Berechtigungskarte als Prozessorkarte" is not supported.
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After generation, the hex data can be copied to the data array of simcard.ino
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and written to an SLE4428 or compatible.
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Note: The SLE card must not have protected serial number area. (ATR area)
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Also the card must show all 416 written bits via ATR, not only 32 bits.
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Tested:
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Works with BSA 51
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Does not work with all other phones I have.
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@ -0,0 +1,144 @@
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/* SIM Card for C-Netz "Berechtigungskarte als Speicherkarte"
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*
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* (C) 2016 by Andreas Eversberg <jolly@eversberg.eu>
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* All Rights Reserved
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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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* 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 <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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/* return 1, if 1-bits are odd, so parity becomes even */
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static int gen_parity(uint8_t *bits)
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{
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int i;
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uint8_t parity = 0;
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for (i = 0; i < 8; i++)
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parity ^= (bits[i] & 1);
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return parity;
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}
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static uint8_t *gen_memory(uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, uint16_t sicherungscode, uint16_t sonderheitsschluessel)
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{
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static uint8_t memory[416];
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int i;
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/* meaningless data */
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for (i = 0; i <= 10; i++)
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memory[i] = 1;
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/* magic data */
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memory[11] = 0;
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memory[12] = 1;
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memory[13] = 1;
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memory[14] = 1;
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memory[15] = 1;
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/* meaningless data */
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for (i = 16; i <= 17; i++)
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memory[i] = 0;
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/* magic data */
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memory[18] = 1;
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memory[19] = 1;
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memory[20] = 1;
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/* magic data */
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memory[21] = 0;
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memory[22] = 1;
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memory[23] = 0;
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/* meaningless data */
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for (i = 24; i <= 113; i++)
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memory[i] = 1;
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/* number */
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for (i = 114; i <= 116; i++)
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memory[i] = (futln_nat >> (i - 114)) & 1;
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for (i = 117; i <= 121; i++)
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memory[i] = (futln_fuvst >> (i - 117)) & 1;
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memory[122] = gen_parity(memory + 114);
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for (i = 123; i <= 130; i++)
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memory[i] = (futln_rest >> (i - 123)) & 1;
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memory[131] = gen_parity(memory + 123);
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for (i = 132; i <= 139; i++)
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memory[i] = (futln_rest >> (i - 132 + 8)) & 1;
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memory[140] = gen_parity(memory + 132);
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/* sicherungscode */
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for (i = 141; i <= 148; i++)
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memory[i] = (sicherungscode >> (i - 141)) & 1;
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memory[149] = gen_parity(memory + 141);
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for (i = 150; i <= 157; i++)
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memory[i] = (sicherungscode >> (i - 150 + 8)) & 1;
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memory[158] = gen_parity(memory + 150);
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/* sonderheitsschluessel */
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for (i = 159; i <= 166; i++)
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memory[i] = (sonderheitsschluessel >> (i - 159)) & 1;
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memory[167] = gen_parity(memory + 159);
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for (i = 168; i <= 175; i++)
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memory[i] = (sonderheitsschluessel >> (i - 168 + 8)) & 1;
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memory[176] = gen_parity(memory + 168);
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/* meaningless data */
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for (i = 177; i <= 351; i++)
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memory[i] = 1;
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/* all zero */
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for (i = 352; i <= 415; i++)
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memory[i] = 0;
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return memory;
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}
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int main(int argc, char *argv[])
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{
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if (argc <= 5) {
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printf("Usage: %s <futln_nat> <futln_fuvst> <futln_rest> <sicherungscode> <sonderheitsschluessel>\n", argv[0]);
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return 0;
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}
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int i;
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uint8_t futln_nat = atoi(argv[1]);
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uint8_t futln_fuvst = atoi(argv[2]);
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uint16_t futln_rest = atoi(argv[3]);
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uint16_t sicherungscode = atoi(argv[4]);
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uint16_t sonderheitsschluessel = atoi(argv[5]);
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printf("nat=%d\n", futln_nat);
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printf("fufvt=%d\n", futln_fuvst);
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printf("rest=%d\n", futln_rest);
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printf("sicherungscode=%d\n", sicherungscode);
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printf("sonderheitsschluessel=%d\n", sonderheitsschluessel);
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printf("Telefonnummer: %d%d%05d\n", futln_nat, futln_fuvst, futln_rest);
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uint8_t *bits = gen_memory(futln_nat, futln_fuvst, futln_rest, sicherungscode, sonderheitsschluessel);
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for (i = 0; i < 52; i++) {
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//printf("%d %d %d %d %d %d %d %d\n", bits[0], bits[1], bits[2] ,bits[3] ,bits[4] ,bits[5] ,bits[6] ,bits[7]);
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printf("0x%02x, ", bits[0] + (bits[1] << 1) + (bits[2] << 2) + (bits[3] << 3) + (bits[4] << 4) + (bits[5] << 5) + (bits[6] << 6) + (bits[7] << 7));
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//printf("\n");
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bits += 8;
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if ((i & 7) == 7)
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printf("\n");
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}
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printf("\n");
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return 0;
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}
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@ -0,0 +1,231 @@
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#define RST 8
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#define CLK 9
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#define DATA 10
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#define PSC1 0xff
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#define PSC2 0xff
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uint8_t card_data[] = {
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0xff, 0xf7, 0x5c, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x47, 0x38,
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0x78, 0x28, 0x07, 0x8c, 0xc1, 0x03, 0xfe, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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};
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void setup()
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{
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digitalWrite(RST, LOW);
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pinMode(RST, OUTPUT);
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digitalWrite(CLK, LOW);
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pinMode(CLK, OUTPUT);
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pinMode(DATA, INPUT_PULLUP);
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digitalWrite(DATA, HIGH);
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for Leonardo only
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}
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Serial.readStringUntil('\m');
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}
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void loop()
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{
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again:
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Serial.println("Press 'a' for ATR, 'r' to read card, 'w' to program card, 'u' to unlock card");
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Serial.println("-> You must read card ('r') before you are able to write to card.");
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while (42) {
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if (Serial.available() == 0)
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continue;
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char inChar = Serial.read();
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if (inChar == 'a') {
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Serial.println("ATR...");
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card_atr(52);
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goto again;
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} else if (inChar == 'r') {
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Serial.println("reading...");
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card_read(52, 0);
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goto again;
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} else if (inChar == 'w') {
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Serial.println("writing...");
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card_write(card_data, sizeof(card_data), 0);
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goto again;
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} else if (inChar == 'u') {
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Serial.println("unlocking...");
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card_unlock(PSC1, PSC2);
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goto again;
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} else {
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goto again;
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}
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}
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}
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void card_atr(int num)
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{
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uint8_t data[num];
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digitalWrite(RST, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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digitalWrite(RST, LOW);
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delayMicroseconds(100);
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card_read_bytes(data, num);
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}
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void card_read(int num, int address)
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{
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uint8_t data[num];
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card_command(((address >> 2) & 0xc0) | 0x0e, address & 0xff, 0);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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card_read_bytes(data, num);
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}
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void card_write(uint8_t *data, int num, int address)
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{
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int i, cnt;
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for (i = 0; i < num; i++) {
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card_command(((address >> 2) & 0xc0) | 0x33, address & 0xff, *data);
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cnt = card_erase_and_write();
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if (cnt <= 2) {
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Serial.println("write failed!");
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// break;
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}
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address++;
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data++;
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}
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}
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void card_unlock(uint8_t psc1, uint8_t psc2)
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{
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int i;
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uint8_t data[3];
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// read error counter
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card_command(0xce, 253, 0);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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Serial.println("3 bytes: error counter mask, first PSC code, second psc code");
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card_read_bytes(data, 3);
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// check bit to erase
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for (i = 0; i < 8; i++) {
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if ((data[0] & (1 << i)))
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break;
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}
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if (i == 8) {
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Serial.println("SORRY NO MORE BITS TO ERASE TO UNLOCK, YOUR CARD IS BRICKED!");
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return;
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}
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data[0] = data[0] - (1 << i);
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// ease bit to unlock
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card_command(0xf2, 253, data[0]);
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card_erase_and_write();
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// unlock
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Serial.println("unlock bit has been erased, sending PSC code");
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card_command(0xcd, 254, psc1);
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card_erase_and_write();
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card_command(0xcd, 255, psc2);
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card_erase_and_write();
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// read error counter mask
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card_command(0xce, 253, 0);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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Serial.println("checking error counter mask, one bit shall be erased...");
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card_read_bytes(data, 1);
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// reset unlock mask
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Serial.println("PSC code has been sent, resetting error counter mask");
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card_command(0xf3, 253, 0xff);
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card_erase_and_write();
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// read error counter mask
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card_command(0xce, 253, 0);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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Serial.println("reading: error counter mask, all bits should be reset");
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card_read_bytes(data, 1);
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}
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void card_command(uint8_t c1, uint8_t c2, uint8_t c3)
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{
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int i, j;
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uint8_t c[3];
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c[0] = c1;
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c[1] = c2;
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c[2] = c3;
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Serial.println("card command:");
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Serial.println(c1);
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Serial.println(c2);
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Serial.println(c3);
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digitalWrite(RST, HIGH);
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delayMicroseconds(100);
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pinMode(DATA, OUTPUT);
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for (i = 0; i < 3; i++) {
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for (j = 0; j < 8; j++) {
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digitalWrite(DATA, ((c[i] >> j) & 1) ? HIGH : LOW);
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delayMicroseconds(100);
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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}
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}
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pinMode(DATA, INPUT_PULLUP);
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digitalWrite(DATA, HIGH);
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digitalWrite(RST, LOW);
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delayMicroseconds(100);
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}
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void card_read_bytes(uint8_t *data, int num) {
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int i, j;
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for (i = 0; i < num; i++) {
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for (j = 0; j < 8; j++) {
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data[i] = (data[i] >> 1) | ((digitalRead(DATA) != LOW) ? 128 : 0);
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Serial.print((digitalRead(DATA) != LOW) ? '1' : '0');
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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}
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Serial.print(" 0x");
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Serial.println(data[i], HEX);
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}
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}
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int card_erase_and_write(void)
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{
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int i;
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for (i = 0; i < 203; i++) {
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digitalWrite(CLK, HIGH);
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delayMicroseconds(100);
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digitalWrite(CLK, LOW);
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delayMicroseconds(100);
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if (0) if (digitalRead(DATA) == LOW) {
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Serial.print(" -> write pulses:");
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Serial.println(i);
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break;
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}
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}
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return i;
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}
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