FreeCalypso > hg > freecalypso-sw
view rvinterf/etmsync/pirimei.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | 9b4b0fcddc77 |
children |
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/* * Reading and decryption of Pirelli's factory IMEI record */ #include <sys/types.h> #include <openssl/des.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "exitcodes.h" u_char pirelli_imeisv[8]; get_pirelli_imei() { DES_cblock ciphertext[2], dieid_key, decrypted[2]; DES_key_schedule keysched; int rc; static char failmsg[] = "decryption failed: no valid IMEI record or incompatible firmware\n"; printf("Requesting Calypso die ID\n"); rc = do_dieid_read(dieid_key); if (rc) return(rc); printf("Reading IMEI record in Pirelli's factory data block\n"); rc = do_memory_read(0x027F0504, ciphertext, 16); if (rc) return(rc); DES_set_key_unchecked(&dieid_key, &keysched); DES_ecb_encrypt(&ciphertext[0], &decrypted[0], &keysched, DES_DECRYPT); DES_ecb_encrypt(&ciphertext[1], &decrypted[1], &keysched, DES_DECRYPT); if (bcmp(decrypted[1], dieid_key, 8)) { printf(failmsg); return(ERROR_TARGET); } bcopy(decrypted[0], pirelli_imeisv, 8); printf("Factory IMEISV is %02X%02X%02X%02X-%02X%02X%02X-%02X\n", pirelli_imeisv[0], pirelli_imeisv[1], pirelli_imeisv[2], pirelli_imeisv[3], pirelli_imeisv[4], pirelli_imeisv[5], pirelli_imeisv[6], pirelli_imeisv[7]); return(0); }