Add AuthorityKeyIdentifier.from_issuer_subject_key_identifier
diff --git a/tests/test_x509_ext.py b/tests/test_x509_ext.py
index d85b4bb..28ddab8 100644
--- a/tests/test_x509_ext.py
+++ b/tests/test_x509_ext.py
@@ -2634,6 +2634,28 @@
)
assert ext.value == aki
+ def test_from_issuer_subject_key_identifier(self, backend):
+ issuer_cert = _load_cert(
+ os.path.join("x509", "rapidssl_sha256_ca_g3.pem"),
+ x509.load_pem_x509_certificate,
+ backend
+ )
+ cert = _load_cert(
+ os.path.join("x509", "cryptography.io.pem"),
+ x509.load_pem_x509_certificate,
+ backend
+ )
+ ext = cert.extensions.get_extension_for_oid(
+ ExtensionOID.AUTHORITY_KEY_IDENTIFIER
+ )
+ ski = issuer_cert.extensions.get_extension_for_class(
+ x509.SubjectKeyIdentifier
+ )
+ aki = x509.AuthorityKeyIdentifier.from_issuer_subject_key_identifier(
+ ski
+ )
+ assert ext.value == aki
+
class TestNameConstraints(object):
def test_ipaddress_wrong_type(self):