def test_tpm2_rc_session(self):
with ExitStack() as stack:
tpm2err = TPM2Error(0)
try:
nbytes = b"\xFF" * 16
ncaller = TPM2B_NONCE(buffer=nbytes)
symmetric = TPMT_SYM_DEF(algorithm=TPM2_ALG_NULL)
shandle = stack.enter_context(self.esys_ctx.flush_tr())
r = self.esys_ctx.StartAuthSession(
ESYS_TR_NONE,
ESYS_TR_NONE,
ESYS_TR_NONE,
ESYS_TR_NONE,
ESYS_TR_NONE,
ncaller,
TPM2_SE_POLICY,
symmetric,
TPM2_ALG_SHA256,
shandle,
)
rnd = TPM2B_SENSITIVE_DATA(buffer=nbytes)
r = self.esys_ctx.StirRandom(shandle, ESYS_TR_NONE, ESYS_TR_NONE, rnd)
except TPM2Error as e:
tpm2err = e
self.check_error(
tpm2err,
TPM2_RC_ATTRIBUTES + TPM2_RC_S + TPM2_RC_1,
TPM2_RC_ATTRIBUTES,
0,
0,
1,
)
def test_tpm2_rc_handle(self):
with ExitStack() as stack:
tpm2err = TPM2Error(0)
try:
r = self.esys_ctx.PCR_Reset(ESYS_TR_NONE, ESYS_TR_PASSWORD,
ESYS_TR_NONE, ESYS_TR_NONE)
except TPM2Error as e:
tpm2err = e
self.check_error(tpm2err, TPM2_RC_VALUE + TPM2_RC_H + TPM2_RC_1,
TPM2_RC_VALUE, 0, 1, 0)
def test_tcti_retry_failure(self):
self.tcti = tcti.TCTI.load("mssim")
self.tcti_config = "port=-1"
with unittest.mock.patch(
"tpm2_pytss.esys.ESYSBinding.Tss2_TctiLdr_Initialize_Ex",
side_effect=TPM2Error(655370),
), unittest.mock.patch("time.sleep", return_value=True):
with self.assertRaises(TPM2Error):
for retry in retry_tcti_loop():
with retry_tcti_catch(retry):
with self.tcti(config=self.tcti_config) as _tcti_ctx:
pass
self.assertEqual(retry.i, TCTI_RETRY_TRIES)
def test_tpm2_rc_attribute(self):
with ExitStack() as stack:
tpm2err = TPM2Error(0)
try:
rbytes = b"\x00" * 129
rnd = TPM2B_SENSITIVE_DATA(buffer=rbytes)
r = self.esys_ctx.StirRandom(ESYS_TR_NONE, ESYS_TR_NONE,
ESYS_TR_NONE, rnd)
except TPM2Error as e:
tpm2err = e
self.check_error(tpm2err, TPM2_RC_SIZE + TPM2_RC_P + TPM2_RC_1,
TPM2_RC_SIZE, 1, 0, 0)