FreeCalypso > hg > freecalypso-sw
annotate rvinterf/etmsync/pirimei.c @ 973:285505f98013
doc/RVTMUX: major updates triggered by new understanding of TM/ETM relationship
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Sun, 15 Nov 2015 01:42:50 +0000 |
parents | 9b4b0fcddc77 |
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rev | line source |
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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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4 |
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5 #include <sys/types.h> |
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6 #include <openssl/des.h> |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 #include <string.h> |
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10 #include <strings.h> |
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11 #include "exitcodes.h" |
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12 |
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13 u_char pirelli_imeisv[8]; |
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14 |
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15 get_pirelli_imei() |
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16 { |
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17 DES_cblock ciphertext[2], dieid_key, decrypted[2]; |
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18 DES_key_schedule keysched; |
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19 int rc; |
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20 static char failmsg[] = |
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21 "decryption failed: no valid IMEI record or incompatible firmware\n"; |
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22 |
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23 printf("Requesting Calypso die ID\n"); |
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24 rc = do_dieid_read(dieid_key); |
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25 if (rc) |
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26 return(rc); |
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27 printf("Reading IMEI record in Pirelli's factory data block\n"); |
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28 rc = do_memory_read(0x027F0504, ciphertext, 16); |
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29 if (rc) |
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30 return(rc); |
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31 DES_set_key_unchecked(&dieid_key, &keysched); |
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32 DES_ecb_encrypt(&ciphertext[0], &decrypted[0], &keysched, DES_DECRYPT); |
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33 DES_ecb_encrypt(&ciphertext[1], &decrypted[1], &keysched, DES_DECRYPT); |
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34 if (bcmp(decrypted[1], dieid_key, 8)) { |
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35 printf(failmsg); |
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36 return(ERROR_TARGET); |
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37 } |
917 | 38 bcopy(decrypted[0], pirelli_imeisv, 8); |
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39 printf("Factory IMEISV is %02X%02X%02X%02X-%02X%02X%02X-%02X\n", |
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40 pirelli_imeisv[0], pirelli_imeisv[1], pirelli_imeisv[2], |
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41 pirelli_imeisv[3], pirelli_imeisv[4], pirelli_imeisv[5], |
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42 pirelli_imeisv[6], pirelli_imeisv[7]); |
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43 return(0); |
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44 } |