def list_kek_labels(password):
'''
List labels of upto 100 keys
password - string CryptoUser role password
'''
# HSM slot id for HA
slot_id = 5
labels = []
try:
auth_session = None
_initialize()
auth_session = c_open_session_ex(slot_id)
login_ex(auth_session, slot_id, password, CKU_CRYPTO_USER)
key_handles = c_find_objects_ex(auth_session, {CKA_KEY_TYPE: CKK_AES},
100)
for handle in key_handles:
label = c_get_attribute_value_ex(
auth_session, handle,
Attributes({CKA_LABEL: b'01234567890123456789012345'}))
labels.append(label[3].decode("utf-8"))
except LunaCallException:
print("Exception running key mgmt operation")
print(traceback.format_exc())
raise Exception('Exception running key mgmt operation')
finally:
if auth_session:
c_logout_ex(auth_session)
c_close_session_ex(auth_session)
c_finalize_ex()
return labels
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 decrypt(password, kek_label, path_to_plain_text):
'''
Decrypt cipher text to plain text
password - string CryptoUser role password
kek_label - string label of decryption key in HSM
path_to_plain_text - path of base64 encoded data to be decrypted
'''
ciphertext = open(path_to_plain_text, 'rb').read()
decrypted = None
i = 0
while i < 2:
try:
cipher = base64.b64decode(ciphertext)
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": cipher[:16], "AAD": [], "ulTagBits": 128}
mechanism = Mechanism(mech_type=CKM_AES_GCM, params=params)
decrypted = c_decrypt_ex(auth_session, kek_handle[0], cipher[16:], mechanism)
break
else:
i += 1
except LunaCallException:
i += 1
except Exception:
raise("Failed to decrypt DEK")
finally:
if auth_session:
c_logout_ex(auth_session)
c_close_session_ex(auth_session)
c_finalize_ex()
if decrypted:
return decrypted
else:
raise Exception("Failed to decrypt DEK")
def generate_keys(password, kek_plain_text):
'''
Generate AES keys
password - string CryptoOfficer role password
kek_plain_text - kek label
'''
# HSM slot id for HA
slot_id = 5
c_initialize_ex()
auth_session = c_open_session_ex(slot_id)
login_ex(auth_session, slot_id, password)
CKM_AES_KEY_GEN_TEMP[CKA_LABEL] = bytes(kek_plain_text, 'utf-8')
key_handle = c_generate_key_ex(auth_session, CKM_AES_KEY_GEN,
CKM_AES_KEY_GEN_TEMP)
c_logout_ex(auth_session)
c_close_session_ex(auth_session)
c_finalize_ex()
return key_handle
def close(self):
"""Close the session. Finalize if we initialized."""
c_close_session_ex(self.session)
if self.manage_init:
c_finalize_ex()
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_dsa(self):
"""Test: Verify that user is not able to use the dsa asymmetric object after date
specified in
CKA_END_DATE attribute
Procedure:
Generate a DSA Key dsa1
Use dsa11 in encrypt operation. Should work fine
Using audit role, change the date of HSM to 12/31/2013
Use dsa1 in encrypt operation
"""
logger.info(
"Test: Verify that user is not able to use the dsa asymmetric object after "
"date specified in \
CKA_END_DATE attribute")
end_d = {'year': b"2013", 'month': b"12", 'day': b"31"}
CKM_DSA_KEY_PAIR_GEN_PUBTEMP_1024_160 = {
CKA_TOKEN: True,
CKA_PRIVATE: True,
CKA_ENCRYPT: True,
CKA_VERIFY: True,
CKA_WRAP: True,
CKA_PRIME: dsa_prime_1024_160,
CKA_SUBPRIME: dsa_sub_prime_1024_160,
CKA_BASE: dsa_base_1024_160,
CKA_END_DATE: end_d,
CKA_LABEL: b"DSA 1024_160 Public Key"
}
CKM_DSA_KEY_PAIR_GEN_PRIVTEMP = {
CKA_TOKEN: True,
CKA_PRIVATE: True,
CKA_SENSITIVE: True,
CKA_DECRYPT: True,
CKA_SIGN: True,
CKA_UNWRAP: True,
CKA_EXTRACTABLE: True,
CKA_END_DATE: end_d,
CKA_LABEL: b"DSA Public Key"
}
h_pbkey, h_prkey = c_generate_key_pair_ex(
self.h_session,
flavor=CKM_DSA_KEY_PAIR_GEN,
pbkey_template=CKM_DSA_KEY_PAIR_GEN_PUBTEMP_1024_160,
prkey_template=CKM_DSA_KEY_PAIR_GEN_PRIVTEMP,
mech=None)
logger.info("Called c-generate: Public Key handle -" + str(h_pbkey) +
"Private Key Handle" + str(h_prkey))
c_sign_ex(self.h_session, CKM_DSA_SHA1, b"Some data to sign", h_prkey)
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(self.h_session)
# 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, sig = c_sign(h_session, CKM_DSA_SHA1, b"Some data to sign",
h_prkey)
logger.info("Called C_Sign, return code: " + str(return_val))
assert return_val == CKR_KEY_NOT_ACTIVE, "Expected return code is CKR_KEY_NOT_ACTIVE"