openstack/octavia-tempest-plugin
Code Issues Proposed changes

Drop implementation to use pyOpenSSL to manage pkcs12 certs

Browse Source 
The cryptography library has been bumped to 3.1 in upper-constraints
file during Ussuri, which is quite old. So we no longer have to
maintain logic for cryptography < 3.0.

Change-Id: I1a463e320b94b0e99e92541581e1ee5feffd356a
This commit is contained in:
Takashi Kajinami 2023-11-06 22:03:14 +09:00
parent bacca66926
commit 25872b36de
2 changed files with 4 additions and 30 deletions
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26
octavia_tempest_plugin/common/cert_utils.py
View File

@ -21,7 +21,6 @@ from cryptography.hazmat.primitives.serialization import NoEncryption
from cryptography.hazmat.primitives.serialization import pkcs12
from cryptography import x509
from cryptography.x509.oid import NameOID
import OpenSSL
def generate_ca_cert_and_key():
@ -176,38 +175,13 @@ def generate_client_cert_and_key(ca_cert, ca_key, client_uuid):
def generate_pkcs12_bundle(server_cert, server_key):
"""Creates a pkcs12 formated bundle.
Note: This uses pyOpenSSL as the cryptography package does not yet
support creating pkcs12 bundles. The currently un-released
2.5 version of cryptography supports reading pkcs12, but not
creation. This method should be updated to only use
cryptography once it supports creating pkcs12 bundles.
:param server_cert: A cryptography certificate (x509) object.
:param server_key: A cryptography key (x509) object.
:returns: A pkcs12 bundle.
"""
# Use the PKCS12 serialization function from cryptography if it exists
# (>=3.0), otherwise use the pyOpenSSL module.
#
# The PKCS12 class of the pyOpenSSL module is not compliant with FIPS.
# It uses the SHA1 function [0] which is not allowed when generating
# digital signatures [1]
#
# [0] https://github.com/pyca/pyopenssl/blob/
# 65ca53a7a06a7c78c1749200a6b3a007e47d3214/src/OpenSSL/
# crypto.py#L2748-L2749
# [1] https://nvlpubs.nist.gov/nistpubs/SpecialPublications/
# NIST.SP.800-131Ar1.pdf
if hasattr(pkcs12, 'serialize_key_and_certificates'):
p12 = pkcs12.serialize_key_and_certificates(
b'', server_key, server_cert,
cas=None, encryption_algorithm=NoEncryption())
else:
p12 = OpenSSL.crypto.PKCS12()
p12.set_privatekey(
OpenSSL.crypto.PKey.from_cryptography_key(server_key))
p12.set_certificate(OpenSSL.crypto.X509.from_cryptography(server_cert))
p12 = p12.export()
return p12

2
requirements.txt
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@ -2,7 +2,7 @@
# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.
cryptography>=2.1 # BSD/Apache-2.0
cryptography>=3.0 # BSD/Apache-2.0
python-dateutil>=2.5.3 # BSD
pbr!=2.1.0,>=2.0.0 # Apache-2.0
oslo.config>=5.2.0 # Apache-2.0