diff options
-rw-r--r-- | src/cryptography/hazmat/backends/openssl/x509.py | 16 | ||||
-rw-r--r-- | tests/test_x509.py | 11 |
2 files changed, 20 insertions, 7 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/x509.py b/src/cryptography/hazmat/backends/openssl/x509.py index 4bddee4c..2f7d082f 100644 --- a/src/cryptography/hazmat/backends/openssl/x509.py +++ b/src/cryptography/hazmat/backends/openssl/x509.py @@ -873,10 +873,18 @@ class _CertificateRevocationList(object): yield self._revoked_cert(i) def __getitem__(self, idx): - idx = operator.index(idx) - if not 0 <= idx < len(self): - raise IndexError - return self._revoked_cert(idx) + if isinstance(idx, slice): + start, stop, step = idx.indices(len(self)) + return [ + self._revoked_cert(idx) for idx in range(start, stop, step) + ] + else: + idx = operator.index(idx) + if idx < 0: + idx += len(self) + if not 0 <= idx < len(self): + raise IndexError + return self._revoked_cert(idx) def __len__(self): revoked = self._backend._lib.X509_CRL_get_REVOKED(self._x509_crl) diff --git a/tests/test_x509.py b/tests/test_x509.py index 099dfd5f..755b65fa 100644 --- a/tests/test_x509.py +++ b/tests/test_x509.py @@ -461,15 +461,20 @@ class TestRevokedCertificate(object): def test_indexing(self, backend): crl = _load_cert( - os.path.join("x509", "custom", "crl_empty.pem"), + os.path.join("x509", "custom", "crl_all_reasons.pem"), x509.load_pem_x509_crl, backend ) with pytest.raises(IndexError): - crl[-1] + crl[-13] with pytest.raises(IndexError): - crl[0] + crl[12] + + assert crl[-1].serial_number == crl[11].serial_number + assert len(crl[2:4]) == 2 + assert crl[2:4][0].serial_number == crl[2].serial_number + assert crl[2:4][1].serial_number == crl[3].serial_number @pytest.mark.requires_backend_interface(interface=RSABackend) |