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_intermediate_dn_organization_difference(self):
dn_ca = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
dn_im = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="BJA Electronics",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
ca = CertificateFactory(type=CertificateTypes.ROOT, dn=dn_ca)
ca.save()
cert = CertificateFactory(type=CertificateTypes.INTERMEDIATE,
parent=ca,
dn=dn_im)
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(
c.exception.message,
"Organization Name of Intermediate CA and Root CA should match (policy strict)"
)
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_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_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 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_passphrase_out_not_matching(self):
cert = CertificateFactory(type=CertificateTypes.ROOT)
cert.passphrase_out = "test"
cert.passphrase_out_confirmation = "test2"
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(c.exception.message,
"The two passphrase fields didn't match.")
def test_generate_root_certificate_unique_violate_name(self):
cert = CertificateFactory()
cert.type = CertificateTypes.ROOT
cert.name = "repleo root ca 1"
cert.save()
cert = CertificateFactory()
cert.type = CertificateTypes.ROOT
cert.name = "repleo root ca 1"
with self.assertRaises(ValidationError):
cert.save()
def test_parent_not_allowed_for_root_certificate(self):
ca = CertificateFactory(type=CertificateTypes.ROOT)
ca.save()
cert = CertificateFactory(type=CertificateTypes.ROOT, parent=ca)
cert.type = CertificateTypes.ROOT
cert.name = "repleo root ca 1"
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(
c.exception.message,
"Not allowed to have a parent certificate for a Root CA certificate"
)
def test_ocsp_cert_parent_is_not_intermediate_parent(self):
ca = CertificateFactory(type=CertificateTypes.ROOT)
ca.save()
cert = CertificateFactory(type=CertificateTypes.OCSP,
parent=ca,
crl_distribution_url=None,
ocsp_distribution_host=None)
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(
c.exception.message,
"OCSP certificate can only be generated for intermediate CA parent"
)
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 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_days_valid(self):
dn_ca = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
cert = CertificateFactory(dn=dn_ca, type=CertificateTypes.ROOT)
cert.expires_at = arrow.get(timezone.now()).shift(years=+10).date()
self.assertEqual(cert.days_valid, 3652)
cert.save()
cert.refresh_from_db()
self.assertEqual(cert.days_valid, 3652)
def test_set_name_to_common_name(self):
dn_ca = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
cert = CertificateFactory(name="",
dn=dn_ca,
type=CertificateTypes.ROOT)
cert.save()
cert.refresh_from_db()
self.assertEqual(cert.name, cert.dn.commonName)
self.assertEqual(cert.slug_name, "testbouncaorg")
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 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 test_generate_root_certificate_unique_violate_dn(self):
dn_ca = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
cert = CertificateFactory()
cert.dn = dn_ca
cert.type = CertificateTypes.ROOT
cert.name = "repleo root ca 1"
cert.save()
cert = CertificateFactory()
cert.dn = dn_ca
cert.type = CertificateTypes.ROOT
cert.name = "repleo root ca 2"
with self.assertRaises(ValidationError):
cert.save()
def test_generate_intermediate_certificate_minimal(self):
key = Key().create_key("rsa", 4096)
subject = DistinguishedNameFactory(
organizationalUnitName=None,
emailAddress=None,
localityName=None,
countryName=self.root_certificate.dn.countryName,
stateOrProvinceName=self.root_certificate.dn.stateOrProvinceName,
organizationName=self.root_certificate.dn.organizationName,
)
certificate_request = CertificateFactory(
type=CertificateTypes.INTERMEDIATE,
name="test_generate_intermediate_certificate_minimal",
parent=self.root_certificate,
dn=subject,
)
certificate_request.save()
certhandler = Certificate()
certhandler.create_certificate(certificate_request, key.serialize())
crt = certhandler.certificate
self.assertEqual(crt.public_key().public_numbers(),
key.key.public_key().public_numbers())
# subject
self.assert_subject(crt.subject, certificate_request)
self.assertListEqual([],
crt.subject.get_attributes_for_oid(
NameOID.LOCALITY_NAME))
# issuer
self.assert_subject(crt.issuer, self.root_certificate)
self.assertListEqual([],
crt.subject.get_attributes_for_oid(
NameOID.LOCALITY_NAME))
def test_child_expire_date_exceeds_parent_expire_date(self):
dn_ca = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
dn_im = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="*****@*****.**",
commonName="test.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
ca = CertificateFactory(type=CertificateTypes.ROOT, dn=dn_ca)
ca.expires_at = arrow.get(timezone.now()).shift(years=+10).date()
ca.save()
cert = CertificateFactory(type=CertificateTypes.INTERMEDIATE,
parent=ca,
dn=dn_im)
cert.expires_at = arrow.get(timezone.now()).shift(years=+20).date()
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(
c.exception.message,
"Child Certificate (expire date: {}) should not "
"expire later than parent CA (expire date: {})".format(
cert.expires_at, ca.expires_at),
)
def test_parent_intermediate_has_no_root_parent(self):
cert = CertificateFactory(type=CertificateTypes.INTERMEDIATE)
with self.assertRaises(ValidationError) as c:
cert.save()
self.assertEqual(c.exception.message,
"Non Root certificate should have a parent")
def test_serialize_pkcs12_cas_nopassphrase(self):
root_key = Key().create_key("ed25519", None)
subject = DistinguishedNameFactory(countryName="NL",
stateOrProvinceName="Noord Holland",
organizationName="Repleo")
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):
root_certificate.save()
root_certhandler = Certificate()
root_certhandler.create_certificate(root_certificate,
root_key.serialize())
keystore = KeyStore(certificate=root_certificate)
keystore.crt = root_certhandler.serialize()
keystore.key = root_key.serialize()
keystore.save()
int_key = Key().create_key("rsa", 2048)
subject = DistinguishedNameFactory(
countryName=root_certificate.dn.countryName,
stateOrProvinceName=root_certificate.dn.stateOrProvinceName,
organizationName=root_certificate.dn.organizationName,
)
int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(days=+5).date(),
name="test_server_intermediate_certificate",
type=CertificateTypes.INTERMEDIATE,
parent=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):
int_certificate.save()
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()
keystore.save()
pkcs12 = int_key.serialize_pkcs12("test_pkcs12_cas",
int_certhandler.certificate,
cas=[root_certhandler.certificate])
pkcs12_obj = load_pkcs12(pkcs12, None)
self.assertEqual(pkcs12_obj.key.key_size, 2048)
self.assertEqual(pkcs12_obj.cert.friendly_name.decode("utf-8"),
"test_pkcs12_cas")
self.assertEqual(pkcs12_obj.cert.certificate.serial_number,
int_certhandler.certificate.serial_number)
self.assertEqual(
pkcs12_obj.additional_certs[0].certificate.serial_number,
root_certhandler.certificate.serial_number)
