def test_revocation_list_builder_one_cert_passphrase(self):
subject = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
commonName="BounCA test Int passphrase CA",
)
int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+5).date(),
name="test_server_intermediate_certificate_pass",
type=CertificateTypes.INTERMEDIATE,
parent=self.root_certificate,
dn=subject,
)
with mute_signals(signals.post_save):
int_certificate.save()
int_key = Key().create_key("rsa", 4096)
int_certhandler = Certificate()
int_certhandler.create_certificate(int_certificate,
int_key.serialize())
keystore = KeyStore(certificate=int_certificate)
keystore.crt = int_certhandler.serialize()
keystore.key = int_key.serialize(passphrase="testphrase")
keystore.save()
crl = revocation_list_builder([], int_certificate, "testphrase")
self.assert_subject(crl.issuer, int_certificate)
def make_intermediate_certificate(self):
int_key = Key().create_key("rsa", 4096)
subject = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
commonName="BounCA test Int CA",
)
int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+5).date(),
name="test_server_intermediate_certificate",
type=CertificateTypes.INTERMEDIATE,
parent=self.root_certificate,
dn=subject,
)
int_certificate.save()
int_certhandler = Certificate()
int_certhandler.create_certificate(int_certificate,
int_key.serialize())
crt = int_certhandler.certificate
return crt, crt.public_bytes(
encoding=serialization.Encoding.PEM).decode("utf8")
def test_generate_server_certificate_parent_server_cert(self):
server_subject = DistinguishedNameFactory(subjectAltNames=None)
certificate = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_generate_server_certificate_parent_server_cert_1",
parent=self.int_certificate,
dn=server_subject,
crl_distribution_url=None,
ocsp_distribution_host=None,
)
with mute_signals(signals.post_save):
certificate.save()
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
keystore = KeyStore(certificate=certificate)
keystore.crt = certhandler.serialize()
keystore.key = self.key.serialize()
keystore.save()
server_subject = DistinguishedNameFactory()
with self.assertRaises(CertificateError) as context:
certificate_request = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_generate_server_certificate_parent_server_cert_2",
parent=certificate,
dn=server_subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual("A root or intermediate parent is expected",
str(context.exception))
def test_generate_root_ca_no_ocsp(self):
certificate_request = CertificateFactory()
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
crt = certhandler.certificate
# subject
self.assert_subject(crt.subject, certificate_request)
# issuer
self.assert_subject(crt.issuer, certificate_request)
self.assert_root_authority(crt)
self.assertEqual(crt.serial_number, int(certificate_request.serial))
self.assertEqual(crt.public_key().public_numbers(),
self.key.key.public_key().public_numbers())
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
with self.assertRaisesMessage(
ExtensionNotFound,
"No <ObjectIdentifier(oid=1.3.6.1.5.5.7.1.1"
", name=authorityInfoAccess)> extension was found",
):
crt.extensions.get_extension_for_oid(
ExtensionOID.AUTHORITY_INFORMATION_ACCESS)
def test_generate_ocsp_certificate_parent_client_cert(self):
ocsp_subject = DistinguishedNameFactory(subjectAltNames=None)
certificate = CertificateFactory(
type=CertificateTypes.OCSP,
name="test_generate_client_certificate_parent_ocsp_cert_1",
parent=self.int_certificate,
dn=ocsp_subject,
crl_distribution_url=None,
ocsp_distribution_host=None,
)
certificate.save()
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
client_subject = DistinguishedNameFactory()
with self.assertRaises(CertificateError) as context:
certificate_request = CertificateFactory(
type=CertificateTypes.OCSP,
name="test_generate_client_certificate_parent_ocsp_cert_2",
parent=certificate,
dn=client_subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual("A root or intermediate parent is expected",
str(context.exception))
def test_generate_minimal_root_ca(self):
dn = DistinguishedNameFactory(organizationalUnitName=None,
emailAddress=None,
localityName=None)
certificate_request = CertificateFactory(dn=dn)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
crt = certhandler.certificate
self.assert_basic_information(crt, certificate_request)
# subject
self.assert_subject(crt.subject, certificate_request)
# issuer
self.assertIsInstance(crt.issuer, x509.Name)
self.assert_subject(crt.issuer, certificate_request)
self.assert_root_authority(crt)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt, self.key)
# subjectKeyIdentifier = hash
self.assert_hash(crt)
def test_generate_server_certificate_no_intermediate_ca(self):
server_subject = DistinguishedNameFactory(subjectAltNames=None)
certificate = CertificateFactory(type=CertificateTypes.SERVER_CERT,
parent=self.root_certificate,
dn=server_subject)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
self.assertEqual(crt.serial_number, int(certificate.serial))
self.assertEqual(crt.public_key().public_numbers(),
self.key.key.public_key().public_numbers())
# extendedKeyUsage = serverAuth
self.assert_extension(crt, ExtensionOID.EXTENDED_KEY_USAGE,
[ExtendedKeyUsageOID.SERVER_AUTH])
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.root_certificate)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.root_key,
issuer_certificate=self.root_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt, critical=False)
def test_generate_client_certificate_minimal(self):
client_subject = DistinguishedNameFactory(
countryName=None,
stateOrProvinceName=None,
localityName=None,
organizationName=None,
organizationalUnitName=None,
emailAddress=None,
subjectAltNames=None,
commonName="client cert",
)
certificate = CertificateFactory(
type=CertificateTypes.CLIENT_CERT,
name="test_generate_client_certificate_minimal",
parent=self.int_certificate,
dn=client_subject,
crl_distribution_url=None,
ocsp_distribution_host=None,
)
certificate.save()
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
# basicConstraints = CA:FALSE
# keyUsage = critical, digitalSignature, keyEncipherment
self.assert_user_certificate(crt, content_commitment=True)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.int_key,
issuer_certificate=self.int_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt)
# extendedKeyUsage = serverAuth
self.assert_extension(
crt,
ExtensionOID.EXTENDED_KEY_USAGE,
[
ExtendedKeyUsageOID.CLIENT_AUTH,
ExtendedKeyUsageOID.EMAIL_PROTECTION
],
)
# crlDistributionPoints
self.assert_crl_distribution(crt, self.int_certificate)
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
self.assert_oscp(crt, self.int_certificate)
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.int_certificate)
def test_generate_server_certificate(self):
server_subject = DistinguishedNameFactory(subjectAltNames=[
"www.repleo.nl", "*.bounca.org", "www.mac-usb-serial.com",
"127.0.0.1"
])
certificate = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_generate_server_certificate",
parent=self.int_certificate,
dn=server_subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
# basicConstraints = CA:FALSE
# keyUsage = critical, digitalSignature, keyEncipherment
self.assert_user_certificate(crt)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.int_key,
issuer_certificate=self.int_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt, critical=False)
# extendedKeyUsage = serverAuth
self.assert_extension(crt, ExtensionOID.EXTENDED_KEY_USAGE,
[ExtendedKeyUsageOID.SERVER_AUTH])
# subjectAltName = @alt_names
self.assert_extension(
crt,
ExtensionOID.SUBJECT_ALTERNATIVE_NAME,
[
DNSName("www.repleo.nl"),
DNSName("*.bounca.org"),
DNSName("www.mac-usb-serial.com"),
IPAddress(IPv4Address("127.0.0.1")),
],
)
# crlDistributionPoints
self.assert_crl_distribution(crt, self.int_certificate)
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
self.assert_oscp(crt, self.int_certificate)
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.int_certificate)
def test_generate_root_ca_wrong_passphrase(self):
certificate = CertificateFactory()
certhandler = Certificate()
with self.assertRaisesMessage(
PassPhraseError,
"Bad passphrase, could not decode private key"):
certhandler.create_certificate(
certificate,
self.key.serialize(passphrase="superSecret"),
passphrase="superSecret_wrong")
def test_serialize_root_certificate(self):
certificate_request = CertificateFactory()
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
pem = certhandler.serialize()
crt = certhandler.load(pem).certificate
self.assert_basic_information(crt, certificate_request)
def root_ca_missing_attribute(self, dn, attribute_name):
with self.assertRaises(PolicyError) as context:
certificate_request = CertificateFactory(dn=dn)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual(
{
f"dn__{attribute_name}":
f"Attribute '{attribute_name}' is required"
}, context.exception.args[0])
def setUpTestData(cls):
cls.root_key = Key().create_key("rsa", 4096)
subject = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord Holland",
organizationName="Repleo",
commonName="BounCA test CA",
)
cls.root_certificate = CertificateFactory(
dn=subject,
name="test_server_root_certificate",
expires_at=arrow.get(timezone.now()).shift(days=+30).date())
with mute_signals(signals.post_save):
cls.root_certificate.save()
root_certhandler = Certificate()
root_certhandler.create_certificate(cls.root_certificate,
cls.root_key.serialize())
keystore = KeyStore(certificate=cls.root_certificate)
keystore.crt = root_certhandler.serialize()
keystore.key = cls.root_key.serialize()
keystore.save()
cls.int_key = Key().create_key("rsa", 4096)
subject = DistinguishedNameFactory(
countryName=cls.root_certificate.dn.countryName,
stateOrProvinceName=cls.root_certificate.dn.stateOrProvinceName,
organizationName=cls.root_certificate.dn.organizationName,
commonName="BounCA test Int CA",
)
cls.int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+5).date(),
name="test_server_intermediate_certificate",
type=CertificateTypes.INTERMEDIATE,
parent=cls.root_certificate,
dn=subject,
)
with mute_signals(signals.post_save):
cls.int_certificate.save()
int_certhandler = Certificate()
int_certhandler.create_certificate(cls.int_certificate,
cls.int_key.serialize())
keystore = KeyStore(certificate=cls.int_certificate)
keystore.crt = int_certhandler.serialize()
keystore.key = cls.int_key.serialize()
keystore.save()
cls.key = Key().create_key("rsa", 4096)
def test_generate_client_certificate(self):
client_subject = DistinguishedNameFactory(
subjectAltNames=["jeroen", "*****@*****.**"])
certificate = CertificateFactory(type=CertificateTypes.CLIENT_CERT,
parent=self.int_certificate,
dn=client_subject)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
# basicConstraints = CA:FALSE
# keyUsage = critical, digitalSignature, keyEncipherment
self.assert_user_certificate(crt, content_commitment=True)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.int_key,
issuer_certificate=self.int_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt, critical=False)
# extendedKeyUsage = clientAuth, emailProtection
self.assert_extension(
crt,
ExtensionOID.EXTENDED_KEY_USAGE,
[
ExtendedKeyUsageOID.CLIENT_AUTH,
ExtendedKeyUsageOID.EMAIL_PROTECTION
],
)
# subjectAltName = @alt_names
self.assert_extension(
crt, ExtensionOID.SUBJECT_ALTERNATIVE_NAME,
[RFC822Name("jeroen"),
RFC822Name("*****@*****.**")])
# crlDistributionPoints
self.assert_crl_distribution(crt, self.int_certificate)
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
self.assert_oscp(crt, self.int_certificate)
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.int_certificate)
def test_generate_intermediate_certificate_passphrase(self):
root_key = Key().create_key("ed25519", None)
root_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+3).date(),
name="root_test_generate_intermediate_certificate_passphrase",
)
with mute_signals(signals.post_save):
root_certificate.save()
root_certhandler = Certificate()
root_certhandler.create_certificate(
root_certificate,
root_key.serialize(passphrase="SecretRootPP"),
passphrase="SecretRootPP")
keystore = KeyStore(certificate=root_certificate)
keystore.crt = root_certhandler.serialize()
keystore.key = root_key.serialize(passphrase="SecretRootPP")
keystore.save()
subject = DistinguishedNameFactory(
countryName=root_certificate.dn.countryName,
stateOrProvinceName=root_certificate.dn.stateOrProvinceName,
organizationName=root_certificate.dn.organizationName,
localityName=root_certificate.dn.localityName,
)
certificate_request = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="test_generate_intermediate_certificate_passphrase",
parent=root_certificate,
dn=subject,
)
certhandler = Certificate()
certhandler.create_certificate(
certificate_request,
self.key.serialize(passphrase="SecretPP"),
passphrase="SecretPP",
passphrase_issuer="SecretRootPP",
)
crt = certhandler.certificate
# subject
self.assert_subject(crt.subject, certificate_request)
self.assertEqual(
subject.localityName,
crt.subject.get_attributes_for_oid(NameOID.LOCALITY_NAME)[0].value)
# issuer
self.assert_subject(crt.issuer, root_certificate)
self.assertEqual(
subject.localityName,
crt.subject.get_attributes_for_oid(NameOID.LOCALITY_NAME)[0].value)
def setUpTestData(cls):
cls.root_key = Key().create_key("ed25519", None)
subject = DistinguishedNameFactory(countryName="NL",
stateOrProvinceName="Noord Holland",
organizationName="Repleo")
cls.root_certificate = CertificateFactory(
dn=subject,
name="test client root certificate",
expires_at=arrow.get(timezone.now()).shift(days=+30).date())
with mute_signals(signals.post_save):
cls.root_certificate.save()
root_certhandler = Certificate()
root_certhandler.create_certificate(cls.root_certificate,
cls.root_key.serialize())
keystore = KeyStore(certificate=cls.root_certificate)
keystore.crt = root_certhandler.serialize()
keystore.key = cls.root_key.serialize()
keystore.save()
cls.int_key = Key().create_key("ed25519", None)
subject = DistinguishedNameFactory(
countryName=cls.root_certificate.dn.countryName,
stateOrProvinceName=cls.root_certificate.dn.stateOrProvinceName,
organizationName=cls.root_certificate.dn.organizationName,
)
cls.int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+5).date(),
name="test ocsp intermediate certificate",
type=CertificateTypes.INTERMEDIATE,
parent=cls.root_certificate,
dn=subject,
crl_distribution_url="https://example.com/crl/cert.crl.pem",
ocsp_distribution_host="https://example.com/ocsp/",
)
with mute_signals(signals.post_save):
cls.int_certificate.save()
int_certhandler = Certificate()
int_certhandler.create_certificate(cls.int_certificate,
cls.int_key.serialize())
keystore = KeyStore(certificate=cls.int_certificate)
keystore.crt = int_certhandler.serialize()
keystore.key = cls.int_key.serialize()
keystore.save()
cls.key = Key().create_key("ed25519", None)
def test_generate_intermediate_certificate(self):
subject = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
localityName="Amsterdam",
)
certificate_request = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="test_generate_intermediate_certificate",
parent=self.root_certificate,
dn=subject,
crl_distribution_url="https://example.com/crl/cert.crl.pem",
ocsp_distribution_host="https://example.com/ocsp/",
)
certificate_request.save()
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
crt = certhandler.certificate
self.assert_basic_information(crt, certificate_request)
# subject
self.assert_subject(crt.subject, certificate_request)
self.assertEqual(
"Amsterdam",
crt.subject.get_attributes_for_oid(NameOID.LOCALITY_NAME)[0].value)
# issuer
self.assert_subject(crt.issuer, self.root_certificate)
self.assertEqual(
"Amsterdam",
crt.subject.get_attributes_for_oid(NameOID.LOCALITY_NAME)[0].value)
self.assert_intermediate_authority(crt)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt, self.root_key, None, critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt)
# crlDistributionspoints
self.assert_crl_distribution(crt, self.root_certificate)
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
self.assert_oscp(crt, self.root_certificate)
def test_generate_server_certificate_no_parent(self):
server_subject = DistinguishedNameFactory()
with self.assertRaises(CertificateError) as context:
certificate_request = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_generate_server_certificate_no_parent",
parent=None,
dn=server_subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual("A parent certificate is expected",
str(context.exception))
def test_parent_not_set(self):
subject = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
localityName=self.root_certificate.dn.localityName,
)
certificate = CertificateFactory(type=CertificateTypes.INTERMEDIATE,
name="test_parent_object_not_set",
parent=None,
dn=subject)
with self.assertRaises(RuntimeError) as context:
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
self.assertEqual("Parent certificate is required",
str(context.exception))
def test_generate_server_certificate_no_subject_altnames(self):
server_subject = DistinguishedNameFactory(subjectAltNames=None)
certificate = CertificateFactory(type=CertificateTypes.SERVER_CERT,
parent=self.int_certificate,
dn=server_subject)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
self.assertEqual(crt.serial_number, int(certificate.serial))
self.assertEqual(crt.public_key().public_numbers(),
self.key.key.public_key().public_numbers())
with self.assertRaises(ExtensionNotFound):
crt.extensions.get_extension_for_oid(
ExtensionOID.SUBJECT_ALTERNATIVE_NAME)
def test_generate_client_certificate_no_intermediate_ca(self):
client_subject = DistinguishedNameFactory(subjectAltNames=None)
certificate = CertificateFactory(type=CertificateTypes.CLIENT_CERT,
parent=self.root_certificate,
dn=client_subject)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
self.assertEqual(crt.serial_number, int(certificate.serial))
self.assertEqual(
crt.public_key().public_bytes(
encoding=serialization.Encoding.Raw,
format=serialization.PublicFormat.Raw),
self.key.key.public_key().public_bytes(
encoding=serialization.Encoding.Raw,
format=serialization.PublicFormat.Raw),
)
# extendedKeyUsage = serverAuth
self.assert_extension(
crt,
ExtensionOID.EXTENDED_KEY_USAGE,
[
ExtendedKeyUsageOID.CLIENT_AUTH,
ExtendedKeyUsageOID.EMAIL_PROTECTION
],
)
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.root_certificate)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.root_key,
issuer_certificate=self.root_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt, critical=False)
def test_generate_root_ca_passphrase(self):
certificate_request = CertificateFactory()
certhandler = Certificate()
certhandler.create_certificate(
certificate_request,
self.key.serialize(passphrase="superSecret"),
passphrase="superSecret")
crt = certhandler.certificate
# subject
self.assert_subject(crt.subject, certificate_request)
# issuer
self.assert_subject(crt.issuer, certificate_request)
self.assert_root_authority(crt)
self.assertEqual(crt.serial_number, int(certificate_request.serial))
self.assertEqual(crt.public_key().public_numbers(),
self.key.key.public_key().public_numbers())
def test_parent_object_not_set(self):
subject = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
localityName=self.root_certificate.dn.localityName,
commonName="ca test repleo",
)
root_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+3).date(),
name="root_test_parent_object_not_set",
dn=subject,
)
with mute_signals(signals.post_save):
root_certificate.save()
certificate = Certificate()
certificate.create_certificate(root_certificate,
self.root_key.serialize())
keystore = KeyStore(certificate=root_certificate)
keystore.crt = ""
keystore.key = self.root_key.serialize()
keystore.save(full_clean=False)
key = Key().create_key("ed25519", None)
subject_int = DistinguishedNameFactory(
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
localityName=self.root_certificate.dn.localityName,
commonName="ca int test repleo",
)
certificate = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="test_parent_object_not_set",
parent=root_certificate,
dn=subject_int,
)
with self.assertRaises(RuntimeError) as context:
certhandler = Certificate()
certhandler.create_certificate(certificate, key.serialize())
self.assertEqual("Parent certificate object has not been set",
str(context.exception))
def make_server_certificate(self):
server_subject = DistinguishedNameFactory(subjectAltNames=[
"www.repleo.nl", "*.bounca.org", "www.mac-usb-serial.com",
"127.0.0.1"
])
certificate = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_generate_server_certificate",
parent=self.int_certificate,
dn=server_subject,
crl_distribution_url=None,
ocsp_distribution_host=None,
)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
return crt, crt.public_bytes(
encoding=serialization.Encoding.PEM).decode("utf8")
def test_generate_intermediate_certificate_passphrase_wrong_issuer_passphrase(
self):
root_key = Key().create_key("ed25519", None)
root_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+3).date(),
name="root_test_certificate_passphrase_wrong_issuer_passphrase",
)
with mute_signals(signals.post_save):
root_certificate.save()
root_certhandler = Certificate()
root_certhandler.create_certificate(
root_certificate,
root_key.serialize(passphrase="SecretRootPP"),
passphrase="SecretRootPP")
keystore = KeyStore(certificate=root_certificate)
keystore.crt = root_certhandler.serialize()
keystore.key = root_key.serialize(passphrase="SecretRootPP")
keystore.save()
subject = DistinguishedNameFactory(
countryName=root_certificate.dn.countryName,
stateOrProvinceName=root_certificate.dn.stateOrProvinceName,
organizationName=root_certificate.dn.organizationName,
)
certificate = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="test_certificate_passphrase_wrong_issuer_passphrase",
parent=root_certificate,
dn=subject,
)
certhandler = Certificate()
with self.assertRaisesMessage(
PassPhraseError,
"Bad passphrase, could not decode issuer key"):
certhandler.create_certificate(
certificate,
self.key.serialize(passphrase="SecretPP"),
passphrase="SecretPP",
passphrase_issuer="SecretRootPPInvalid",
)
def setUpTestData(cls):
with mute_signals(signals.post_save):
cls.root_key = Key().create_key("rsa", 4096)
subject = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord Holland",
organizationName="Repleo")
cls.root_certificate = CertificateFactory(
dn=subject,
expires_at=arrow.get(timezone.now()).shift(days=+3).date())
cls.root_certificate.save()
certificate = Certificate()
key = cls.root_key.serialize()
certificate.create_certificate(cls.root_certificate, key)
keystore = KeyStore(certificate=cls.root_certificate)
keystore.crt = certificate.serialize()
keystore.key = key
keystore.save()
cls.key = Key().create_key("rsa", 4096)
def root_ca_not_matching_attribute(self, subject, attribute_name):
with self.assertRaises(PolicyError) as context:
certificate_request = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="root_ca_not_matching_attribute",
parent=self.root_certificate,
dn=subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual(
"Certificate should match field '{}' "
"(issuer certificate: {}, certificate: {})".format(
attribute_name,
getattr(self.root_certificate.dn, attribute_name),
getattr(subject, attribute_name)),
str(context.exception),
)
def test_generate_server_certificate_duplicate_commonname_root(self):
server_subject = DistinguishedNameFactory(
commonName=self.root_certificate.dn.commonName)
with self.assertRaises(PolicyError) as context:
certificate_request = CertificateFactory(
type=CertificateTypes.SERVER_CERT,
name="test_certificate_duplicate_commonName_root",
parent=self.int_certificate,
dn=server_subject,
)
certhandler = Certificate()
certhandler.create_certificate(certificate_request,
self.key.serialize())
self.assertEqual(
"CommonName '{}' should not be equal to common "
"name of parent".format(self.root_certificate.dn.commonName),
str(context.exception),
)
def test_generate_ocsp_certificate(self):
ocsp_subject = DistinguishedNameFactory(commonName="ocsp.example.com")
certificate = CertificateFactory(type=CertificateTypes.OCSP,
parent=self.int_certificate,
dn=ocsp_subject)
certhandler = Certificate()
certhandler.create_certificate(certificate, self.key.serialize())
crt = certhandler.certificate
# basicConstraints = CA:FALSE
# keyUsage = critical, digitalSignature
self.assert_ocsp_certificate(crt)
# authorityKeyIdentifier = keyid:always, issuer
self.assert_authority_key(crt,
self.int_key,
issuer_certificate=self.int_certificate,
critical=False)
# subjectKeyIdentifier = hash
self.assert_hash(crt, critical=False)
# extendedKeyUsage = critical, OCSPSigning
self.assert_extension(crt,
ExtensionOID.EXTENDED_KEY_USAGE,
[ExtendedKeyUsageOID.OCSP_SIGNING],
critical=True)
# subject
self.assert_subject(crt.subject, certificate)
# issuer
self.assert_subject(crt.issuer, self.int_certificate)
# crlDistributionPoints
self.assert_crl_distribution(crt, self.int_certificate)
# OCSP
# authorityInfoAccess = OCSP;URI:{{cert.ocsp_distribution_host}}
self.assert_oscp(crt, self.int_certificate)
def generate_certificate(sender, instance, created, **kwargs):
if created:
keystore = KeyStore(certificate=instance)
key_size = None
if settings.KEY_ALGORITHM == "rsa":
key_size = 4096 if instance.type in [
CertificateTypes.ROOT, CertificateTypes.INTERMEDIATE
] else 2048
key = KeyGenerator().create_key(settings.KEY_ALGORITHM, key_size)
keystore.key = key.serialize(instance.passphrase_out)
certhandler = CertificateGenerator()
certhandler.create_certificate(instance, keystore.key,
instance.passphrase_out,
instance.passphrase_issuer)
keystore.crt = certhandler.serialize()
if instance.type not in [
CertificateTypes.ROOT, CertificateTypes.INTERMEDIATE
]:
root_certificate = CertificateGenerator().load(
instance.parent.keystore.crt).certificate
int_certificate = CertificateGenerator().load(
instance.parent.keystore.crt).certificate
keystore.p12 = key.serialize_pkcs12(
instance.name,
certhandler.certificate,
instance.passphrase_out,
cas=[int_certificate, root_certificate])
keystore.save()
if instance.type in [
CertificateTypes.ROOT, CertificateTypes.INTERMEDIATE
]:
crl = revocation_list_builder([], instance,
instance.passphrase_out)
crlstore = CrlStore(certificate=instance)
crlstore.crl = serialize(crl)
crlstore.save()