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risc-v/mpfs: tamper: refine tests #182

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Nov 13, 2023
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risc-v/mpfs: tamper: refine tests #182

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28 changes: 11 additions & 17 deletions arch/risc-v/src/mpfs/mpfs_tamper.c
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Original file line number Diff line number Diff line change
Expand Up @@ -277,33 +277,27 @@ static int mpfs_tamper_interrupt(int irq, void *context, void *arg)
****************************************************************************/

#ifdef TAMPER_TESTS
extern int mpfs_systemservice_init();
extern int mpfs_sys_get_serial_number(uint8_t *out_sn, uint16_t mb_offset);
extern int mpfs_sys_query_security(uint8_t *out_security_resp,
uint16_t mb_offset);
extern int mpfs_sys_query_design_information(uint8_t *out_security_resp,
uint16_t mb_offset);
extern int mpfs_sys_query_device_certificate(uint8_t *out_security_resp,
uint16_t mb_offset);
extern uint16_t mpfs_sys_unlock_debug_passcode(uint8_t *cmd_data,
uint16_t mb_offset,
uint16_t resp_offset);
extern void test_ecdsa(void);
extern uint16_t mpfs_sys_authenticate_iap_image(uint32_t spi_idx);

static void mpfs_tamper_tests(void)
{
uint8_t buf[1024 + 4];
/* MPFS_SYS_UNLOCK_DEBUG_PASSCODE_DATA_LEN = 32 */

mpfs_systemservice_init();
uint8_t buf[32];

/* Some of the functions do not exist */
/* Looks like the buf needs to be gargabed first */

memset(buf, 0xaa, sizeof(buf));

/* Issue: <PASSCODE FAIL> */

mpfs_sys_get_serial_number(buf, 0);
mpfs_sys_query_security(buf, 0);
mpfs_sys_query_design_information(buf, 0);
mpfs_sys_query_device_certificate(buf, 0);
mpfs_sys_unlock_debug_passcode(buf, 0, 0);
test_ecdsa();

/* Issue: <BITSTREAM AUTH FAIL> */

mpfs_sys_authenticate_iap_image(0);
}
#endif
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