def sym_key_params(request, auth_session, usage_set):
"""
Generate a key, setting the usage limit by the method described in
``usage_set``
Return that key handle.
"""
usage_type, limit = usage_set
key_gen, mechanism = request.param
key_template = get_session_template(get_default_key_template(key_gen))
usage_template = {CKA_USAGE_LIMIT: limit}
if usage_type in ("create", "both", "create_then_use"):
key_template.update(usage_template)
h_key = c_generate_key_ex(auth_session,
mechanism=key_gen,
template=key_template)
try:
if usage_type in ("create_then_use", ):
c_encrypt_ex(auth_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": mechanism})
if usage_type in ("setattr", "both", "create_then_use"):
c_set_attribute_value_ex(auth_session, h_key, usage_template)
yield SymParams(h_key, mechanism)
finally:
c_destroy_object(auth_session, h_key)
def test_usagelimit_exceed_sym(self, auth_session, sym_key_params):
"""Test that changing the usage limit works as expected
Gen key w/ limit = 5
Set limit = 2
Use key 2x
Verify next usage returns CKR_KEY_NOT_ACTIVE
"""
LOG.info(
"Verify that crypto operation returns error CKR_KEY_NOT_ACTIVE \
if user try to use crypto object more than limit set on CKA_USAGE_LIMIT"
)
usage_lim_template = {CKA_USAGE_LIMIT: 2}
key, mechanism = sym_key_params
c_set_attribute_value_ex(auth_session, key, usage_lim_template)
c_encrypt_ex(auth_session, key, b'a' * 2048, mechanism=mechanism)
c_encrypt_ex(auth_session, key, b'a' * 2048, mechanism=mechanism)
return_val, data = c_encrypt(auth_session,
key,
b'a' * 2048,
mechanism=mechanism)
py_template = c_get_attribute_value_ex(
auth_session, key, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
LOG.info("CKA_USAGE_COUNT reported by C_GetAttributeValue: %s",
usage_val_out)
assert return_val == CKR_KEY_NOT_ACTIVE, "Key should be inactive -- exceeded usage count!"
def test_usagelimit_sym(self, auth_session, sym_key_params, usage_set):
"""Test: Verify that CKA_USAGE_COUNT attribute increments as user
uses the symmetric crypto object
Gen key w/ limit set to 5
Use key 5x
Verify usage count == 5
"""
_, new_limit = usage_set
LOG.info(
"Test: Verify that CKA_USAGE_COUNT attribute increments as user \
uses the symmetric crypto object")
key, mechanism = sym_key_params
for _ in range(5):
c_encrypt_ex(auth_session,
key,
b'a' * 2048,
mechanism={"mech_type": mechanism})
py_template = c_get_attribute_value_ex(
auth_session, key, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
LOG.info("CKA_USAGE_COUNT reported by C_GetAttributeValue: %s",
usage_val_out)
assert new_limit == usage_val_out, "reported USAGE LIMIT does not match"
def test_set_attribute_usage_count_check_error_CKR_KEY_NOT_ACTIVE_3des(
self):
"""Test: Verify that crypto operation returns error CKR_KEY_NOT_ACTIVE
if user try to use crypto object more than limit set on CKA_USAGE_LIMIT
Procedure:
Generate a 3DES key
Use C_SetAttributeValue to set CKA_USAGE_LIMIT to 2
Use RSA public key 3 times for encryption
"""
LOG.info(
"Verify that crypto operation returns error CKR_KEY_NOT_ACTIVE \
if user try to use crypto object more than limit set on CKA_USAGE_LIMIT"
)
usage_lim_template = {CKA_USAGE_LIMIT: 2}
h_key = c_generate_key_ex(self.h_session,
mechanism=CKM_DES3_KEY_GEN,
template=CKM_DES3_KEY_GEN_TEMP)
LOG.info("Called c-generate: Key handle -" + str(h_key))
c_set_attribute_value_ex(self.h_session, h_key, usage_lim_template)
c_encrypt_ex(self.h_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": CKM_DES3_ECB})
c_encrypt_ex(self.h_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": CKM_DES3_ECB})
return_val, data = c_encrypt(self.h_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": CKM_DES3_ECB})
LOG.info("Called C_Encrypt, return code: %s", return_val)
py_template = c_get_attribute_value_ex(
self.h_session, h_key, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
LOG.info("CKA_USAGE_COUNT reported by C_GetAttributeValue: %s",
usage_val_out)
assert return_val == CKR_KEY_NOT_ACTIVE, "reported error code does not match"
def test_usage_limit_attribute_check_Assym(self):
"""Test: Verify that CKA_USAGE_COUNT attribute increments as user
use the assymetric crypto object
Procedure:
Generate a RSA Key pair
Use C_SetAttributeValue to set CKA_USAGE_LIMIT to 2
Use RSA public key twice for encryption
Use C_getAttributeValue to verify that CKA_USAGE_COUNT is 2
"""
LOG.info(
"Test: Verify that CKA_USAGE_COUNT attribute increments as user \
use the assymetric crypto object")
usage_lim_template = {CKA_USAGE_LIMIT: 2}
usage_count = 2
h_pbkey, h_prkey = c_generate_key_pair_ex(
self.h_session,
mechanism=CKM_RSA_PKCS_KEY_PAIR_GEN,
pbkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PUBTEMP,
prkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PRIVTEMP)
LOG.info(
"Called c-generate: Public Key handle -%s Private Key Handle -%s",
h_pbkey, h_prkey)
c_set_attribute_value_ex(self.h_session, h_pbkey, usage_lim_template)
c_encrypt_ex(self.h_session,
h_pbkey,
b'a' * 20,
mechanism={"mech_type": CKM_RSA_PKCS})
c_encrypt_ex(self.h_session,
h_pbkey,
b'a' * 20,
mechanism={"mech_type": CKM_RSA_PKCS})
py_template = c_get_attribute_value_ex(
self.h_session, h_pbkey, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
LOG.info("CKA_USAGE_COUNT reported by C_GetAttributeValue: %s",
usage_val_out)
assert usage_count == usage_val_out, "reported USAGE LIMIT does not match"
def test_set_attribute_usage_count_check_error_CKR_KEY_NOT_ACTIVE_rsa(
self):
"""Test: Verify that crypto operation returns error CKR_KEY_NOT_ACTIVE
if user try to use crypto object more than limit set on CKA_USAGE_LIMIT
Procedure:
Generate a RSA Key pair
Use C_SetAttributeValue to set CKA_USAGE_LIMIT to 2
Use RSA public key 3 times for encryption
"""
usage_lim_template = {CKA_USAGE_LIMIT: 2}
h_pbkey, h_prkey = c_generate_key_pair_ex(
self.h_session,
mechanism=CKM_RSA_PKCS_KEY_PAIR_GEN,
pbkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PUBTEMP,
prkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PRIVTEMP)
LOG.info(
"Called c-generate: Public Key handle -%s Private Key Handle - %s",
h_pbkey, h_prkey)
c_set_attribute_value_ex(self.h_session, h_pbkey, usage_lim_template)
c_encrypt_ex(self.h_session,
h_pbkey,
b'a' * 20,
mechanism={"mech_type": CKM_RSA_PKCS})
c_encrypt_ex(self.h_session,
h_pbkey,
b'a' * 20,
mechanism={"mech_type": CKM_RSA_PKCS})
return_val, data = c_encrypt(self.h_session,
h_pbkey,
b'a' * 20,
mechanism={"mech_type": CKM_RSA_PKCS})
LOG.info("Called C_Encrypt, return code: %s", return_val)
py_template = c_get_attribute_value_ex(
self.h_session, h_pbkey, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
assert return_val == CKR_KEY_NOT_ACTIVE, "reported error code does not match"
def test_usage_limit_attribute_check_sym_des(self):
"""Test: Verify that CKA_USAGE_COUNT attribute increments as user
use the symmetric crypto object
Procedure:
Generate a DES Key
Use C_SetAttributeValue to set CKA_USAGE_LIMIT to 2
Use des key twice for encryption
Use C_getAttributeValue to verify that CKA_USAGE_COUNT is 2
"""
LOG.info(
"Test: Verify that CKA_USAGE_COUNT attribute increments as user \
use the symmetric crypto object")
usage_lim_template = {CKA_USAGE_LIMIT: 2}
usage_count = 2
h_key = c_generate_key_ex(self.h_session,
mechanism=CKM_DES_KEY_GEN,
template=CKM_DES_KEY_GEN_TEMP)
LOG.info("Called c-generate: Key handle -%s", h_key)
c_set_attribute_value_ex(self.h_session, h_key, usage_lim_template)
c_encrypt_ex(self.h_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": CKM_DES_ECB})
c_encrypt_ex(self.h_session,
h_key,
b'a' * 2048,
mechanism={"mech_type": CKM_DES_ECB})
py_template = c_get_attribute_value_ex(
self.h_session, h_key, template={CKA_USAGE_COUNT: None})
usage_val_out = py_template[CKA_USAGE_COUNT]
LOG.info("CKA_USAGE_COUNT reported by C_GetAttributeValue: %s",
usage_val_out)
assert usage_count == usage_val_out, "reported USAGE LIMIT does not match"
def encrypt(password, kek_label, plaintext_path):
'''
Encrypt plain text to cipher text
password - string CryptoUser role password
kek_label - string label of decryption key in HSM
plaintext_path - path of base64 encoded data to be encrypted
'''
plaintext = open(plaintext_path, 'rb').read()
encrypted = None
i = 0
while i < 2:
try:
auth_session = None
_initialize()
auth_session = c_open_session_ex(i)
login_ex(auth_session, i, password, CKU_CRYPTO_USER)
kek_handle = None
kek_handle = c_find_objects_ex(auth_session, {
CKA_KEY_TYPE: CKK_AES,
CKA_LABEL: kek_label
}, 1)
if kek_handle:
params = {"iv": list(range(16)), "AAD": [], "ulTagBits": 128}
mechanism = Mechanism(mech_type=CKM_AES_GCM, params=params)
encrypted = c_encrypt_ex(auth_session, kek_handle[0],
plaintext, mechanism)
encrypted = array.array('B', list(
range(16))).tostring() + encrypted
break
else:
i += 1
except LunaCallException:
print("Exception running key mgmt operation on slot " + str(i))
print(traceback.format_exc())
i += 1
finally:
if auth_session:
c_logout_ex(auth_session)
c_close_session_ex(auth_session)
c_finalize_ex()
if encrypted:
ciphertext = base64.b64encode(encrypted)
return ciphertext
else:
raise Exception("Failed to encrypt DEK")
def test_x9_key_derive(self, auth_session, curve_type):
"""
Test we can do X9 key derivation
"""
derived_key2 = derived_key1 = pub_key1 = pub_key2 = prv_key2 = prv_key1 = None
derived_template = {
CKA_CLASS: CKO_SECRET_KEY,
CKA_KEY_TYPE: CKK_DES,
CKA_ENCRYPT: True,
CKA_DECRYPT: True,
CKA_PRIVATE: True,
CKA_SENSITIVE: True
}
pub_temp, priv_temp = get_default_key_pair_template(
CKM_ECDSA_KEY_PAIR_GEN)
priv_temp = get_session_template(priv_temp)
pub_temp = get_session_template(pub_temp)
pub_temp[CKA_ECDSA_PARAMS] = curve_list[curve_type]
pub_key1, prv_key1 = c_generate_key_pair_ex(auth_session,
CKM_ECDSA_KEY_PAIR_GEN,
pbkey_template=pub_temp,
prkey_template=priv_temp)
try:
pub_key2, prv_key2 = c_generate_key_pair_ex(
auth_session,
CKM_ECDSA_KEY_PAIR_GEN,
pbkey_template=pub_temp,
prkey_template=priv_temp)
pub_key1_raw = c_get_attribute_value_ex(
auth_session, pub_key1, {CKA_EC_POINT: None})[CKA_EC_POINT]
pub_key2_raw = c_get_attribute_value_ex(
auth_session, pub_key2, {CKA_EC_POINT: None})[CKA_EC_POINT]
derived_key1 = c_derive_key_ex(auth_session,
h_base_key=prv_key2,
template=derived_template,
mechanism={
"mech_type": CKM_ECDH1_DERIVE,
"params": {
"kdf": CKD_NULL,
"sharedData": None,
"publicData": pub_key1_raw
}
})
derived_key2 = c_derive_key_ex(auth_session,
h_base_key=prv_key1,
template=derived_template,
mechanism={
"mech_type": CKM_ECDH1_DERIVE,
"params": {
"kdf": CKD_NULL,
"sharedData": None,
"publicData": pub_key2_raw
}
})
cipher_data = c_encrypt_ex(auth_session,
derived_key1,
data=DATA,
mechanism=CKM_DES_ECB)
restored_text = c_decrypt_ex(auth_session,
derived_key2,
cipher_data,
mechanism=CKM_DES_ECB)
assert DATA == restored_text.rstrip(b'\x00')
finally:
for key in (pub_key1, prv_key1, pub_key2, prv_key2, derived_key1,
derived_key2):
if key:
c_destroy_object(auth_session, key)
def test_symmetric_key_expiry_des(self):
"""Test: Verify that user is not able to use the symmetric object after date specified in
CKA_END_DATE attribute
Procedure:
Generate a DES Key des1
Use des1 in encrypt operation. Should work fine
Using audit role, change the date of HSM to 12/31/2013
Use des1 in encrypt operation
"""
logger.info(
"Test: Verify that user is not able to use the symmetric object after date "
"specified in \
CKA_END_DATE attribute")
end_d = {'year': b"2013", 'month': b"12", 'day': b"31"}
CKM_KEY_GEN_TEMP = {
CKA_CLASS: CKO_SECRET_KEY,
CKA_KEY_TYPE: CKK_DES,
CKA_TOKEN: True,
CKA_SENSITIVE: True,
CKA_PRIVATE: True,
CKA_ENCRYPT: True,
CKA_DECRYPT: True,
CKA_SIGN: True,
CKA_VERIFY: True,
CKA_WRAP: True,
CKA_UNWRAP: True,
CKA_DERIVE: True,
CKA_VALUE_LEN: 8,
CKA_EXTRACTABLE: True,
CKA_LABEL: b"DES Key",
CKA_END_DATE: end_d
}
h_key = c_generate_key_ex(self.h_session,
flavor=CKM_DES_KEY_GEN,
template=CKM_KEY_GEN_TEMP)
logger.info("Called c-generate: Key handle -" + str(h_key))
c_encrypt_ex(self.h_session, CKM_DES_ECB, h_key, b"a" * 512)
c_logout_ex(self.h_session)
c_close_session_ex(self.h_session)
ca_init_audit_ex(self.admin_slot, AUDITOR_PASSWORD, AUDITOR_LABEL)
h_session2 = c_open_session_ex(slot_num=self.admin_slot,
flags=(CKF_SERIAL_SESSION
| CKF_AUDIT_SESSION))
login_ex(h_session2, self.admin_slot, AUDITOR_PASSWORD, CKU_AUDIT)
dt = datetime(2014, 1, 31)
epoch = datetime.utcfromtimestamp(0)
delta = dt - epoch
hsm_dt = delta.total_seconds()
hsm_new_date = int(hsm_dt)
ca_time_sync_ex(h_session2, hsm_new_date)
hsm_time = ca_get_time_ex(h_session2)
c_logout_ex(h_session2)
c_close_session_ex(h_session2)
h_session = c_open_session_ex(slot_num=self.admin_slot)
login_ex(h_session, self.admin_slot, CO_PASSWORD, CKU_USER)
return_val = c_encrypt(h_session, h_key,
b"This is some data to sign .. ", CKM_DES_ECB)
assert return_val == CKR_KEY_NOT_ACTIVE, "return value should be CKR_KEY_NOT_ACTIVE"
c_logout_ex(h_session)
c_close_session_ex(h_session)
def test_asymmetric_key_expiry_rsa(self):
"""Test: Verify that user is not able to use the rsa asymmetric object after date
specified in
CKA_END_DATE attribute
Procedure:
Generate a rsa Key rsa1
Use des1 in encrypt operation. Should work fine
Using audit role, change the date of HSM to 12/31/2013
Use rsa1 in encrypt operation
"""
logger.info(
"Test: Verify that user is not able to use the rsa asymmetric object after "
"date specified in \
CKA_END_DATE attribute")
end_d = {'year': b"2013", 'month': b"12", 'day': b"31"}
CKM_RSA_PKCS_KEY_PAIR_GEN_PUBTEMP = {
CKA_TOKEN: True,
CKA_PRIVATE: True,
CKA_MODIFIABLE: True,
CKA_ENCRYPT: True,
CKA_VERIFY: True,
CKA_WRAP: True,
CKA_MODULUS_BITS: 1024, # long 0 - MAX_RSA_KEY_NBITS
CKA_PUBLIC_EXPONENT: 3, # byte
CKA_END_DATE: end_d,
CKA_LABEL: "RSA Public Key"
}
CKM_RSA_PKCS_KEY_PAIR_GEN_PRIVTEMP = {
CKA_TOKEN: True,
CKA_PRIVATE: True,
CKA_SENSITIVE: True,
CKA_MODIFIABLE: True,
CKA_EXTRACTABLE: True,
CKA_DECRYPT: True,
CKA_SIGN: True,
CKA_UNWRAP: True,
CKA_END_DATE: end_d,
CKA_LABEL: b"RSA Private Key"
}
h_pbkey, h_prkey = c_generate_key_pair_ex(
self.h_session,
flavor=CKM_RSA_PKCS_KEY_PAIR_GEN,
pbkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PUBTEMP,
prkey_template=CKM_RSA_PKCS_KEY_PAIR_GEN_PRIVTEMP,
mech=None)
logger.info("Called c-generate: Public Key handle -" + str(h_pbkey) +
"Private Key Handle" + str(h_prkey))
c_encrypt_ex(self.h_session, CKM_RSA_PKCS, h_pbkey,
b"This is some data to sign .. ")
c_logout_ex(self.h_session)
c_close_session_ex(self.h_session)
ca_init_audit_ex(self.admin_slot, AUDITOR_PASSWORD, AUDITOR_LABEL)
h_session2 = c_open_session_ex(slot_num=self.admin_slot,
flags=(CKF_SERIAL_SESSION
| CKF_AUDIT_SESSION))
login(h_session2, self.admin_slot, AUDITOR_PASSWORD, CKU_AUDIT)
dt = datetime(2014, 1, 31)
epoch = datetime.utcfromtimestamp(0)
delta = dt - epoch
hsm_dt = delta.total_seconds()
hsm_new_date = int(hsm_dt)
ca_time_sync_ex(h_session2, hsm_new_date)
hsm_time = ca_get_time_ex(h_session2)
# print datetime.fromtimestamp(float(hsm_time.value))
c_logout_ex(h_session2)
c_close_session_ex(h_session2)
h_session = c_open_session_ex(slot_num=self.admin_slot)
login_ex(h_session, self.admin_slot, CO_PASSWORD, CKU_USER)
return_val = c_encrypt(h_session, h_pbkey,
b"This is some data to sign .. ",
CKM_RSA_PKCS)
logger.info("Called C_Encrypt, return code: " + str(return_val))
assert return_val == CKR_KEY_NOT_ACTIVE, "Expected return code is CKR_KEY_NOT_ACTIVE"
