FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/pirimei.c @ 995:74024eb17e04

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fc-loadtool help: improve language regarding 16 MiB flash chips In FC project history, 16 MiB flash originally meant Pirelli DP-L10. Then we got FCDEV3B with the same flash (our own design), but now we are discovering more Calypso devices that used such large flash, both late Calypso era (Sony Ericsson K2x0) as well as much earlier ones (FIC FLUID devices.txt file with 2004 dates, Leonardo+ rev 5). Hence we need to migrate to more generic or neutral language in associated documentation, without giving elevated status to specific examples that drove our early project history.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 21:11:12 +0000
parents 3d148edb87c2
children 6d9b10633f10
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1 /*
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2 * Reading and decryption of Pirelli's factory IMEI record
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3 */
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "cl_des.h"
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11 #include "exitcodes.h"
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13 u_char pirelli_imeisv[8];
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15 get_pirelli_imei()
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16 {
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17 u_char ciphertext[2][8], dieid_key[8], decrypted[2][8];
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18 int rc;
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19 static char failmsg[] =
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20 "decryption failed: no valid IMEI record or incompatible firmware\n";
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22 printf("Requesting Calypso die ID\n");
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23 rc = do_dieid_read(dieid_key);
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24 if (rc)
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25 return(rc);
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26 printf("Reading IMEI record in Pirelli's factory data block\n");
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27 rc = do_memory_read(0x027F0504, ciphertext, 16);
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28 if (rc)
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29 return(rc);
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30 cl_des(ciphertext[0], dieid_key, decrypted[0], CL_DES_DECRYPTION);
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31 cl_des(ciphertext[1], dieid_key, decrypted[1], CL_DES_DECRYPTION);
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32 if (bcmp(decrypted[1], dieid_key, 8)) {
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33 printf(failmsg);
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34 return(ERROR_TARGET);
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35 }
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36 bcopy(decrypted[0], pirelli_imeisv, 8);
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37 printf("Factory IMEISV is %02X%02X%02X%02X-%02X%02X%02X-%02X\n",
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38 pirelli_imeisv[0], pirelli_imeisv[1], pirelli_imeisv[2],
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39 pirelli_imeisv[3], pirelli_imeisv[4], pirelli_imeisv[5],
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40 pirelli_imeisv[6], pirelli_imeisv[7]);
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41 return(0);
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42 }