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author | Ian Cordasco <graffatcolmingov@gmail.com> | 2015-08-03 08:26:42 -0500 |
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committer | Ian Cordasco <graffatcolmingov@gmail.com> | 2015-08-03 08:26:42 -0500 |
commit | a0f00f47ea3aa53a31213843d60a4141e468f021 (patch) | |
tree | a663f2bb14b0ed45054c03971cb47005155cecb2 /tests/hazmat/backends/test_openssl.py | |
parent | 36a1238703a1aa7aff44654e2e551f2a022c9c1a (diff) | |
parent | 93b5e3efab0337c51c84c27208d9034b607f09e2 (diff) | |
download | cryptography-a0f00f47ea3aa53a31213843d60a4141e468f021.tar.gz cryptography-a0f00f47ea3aa53a31213843d60a4141e468f021.tar.bz2 cryptography-a0f00f47ea3aa53a31213843d60a4141e468f021.zip |
Merge remote-tracking branch 'upstream/master' into cert-builder
Diffstat (limited to 'tests/hazmat/backends/test_openssl.py')
-rw-r--r-- | tests/hazmat/backends/test_openssl.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/hazmat/backends/test_openssl.py b/tests/hazmat/backends/test_openssl.py index 5b611cd0..c2a4f544 100644 --- a/tests/hazmat/backends/test_openssl.py +++ b/tests/hazmat/backends/test_openssl.py @@ -36,6 +36,20 @@ from ..primitives.test_ec import _skip_curve_unsupported from ...utils import load_vectors_from_file, raises_unsupported_algorithm +def skip_if_libre_ssl(openssl_version): + if u'LibreSSL' in openssl_version: + pytest.skip("LibreSSL hard-codes RAND_bytes to use arc4random.") + + +class TestLibreSkip(object): + def test_skip_no(self): + assert skip_if_libre_ssl(u"OpenSSL 0.9.8zf 19 Mar 2015") is None + + def test_skip_yes(self): + with pytest.raises(pytest.skip.Exception): + skip_if_libre_ssl(u"LibreSSL 2.1.6") + + @utils.register_interface(Mode) class DummyMode(object): name = "dummy-mode" @@ -218,6 +232,19 @@ class TestOpenSSL(object): bn = backend._int_to_bn(0) assert backend._bn_to_int(bn) == 0 + def test_actual_osrandom_bytes(self, monkeypatch): + skip_if_libre_ssl(backend.openssl_version_text()) + sample_data = (b"\x01\x02\x03\x04" * 4) + length = len(sample_data) + + def notrandom(size): + assert size == length + return sample_data + monkeypatch.setattr(os, "urandom", notrandom) + buf = backend._ffi.new("char[]", length) + backend._lib.RAND_bytes(buf, length) + assert backend._ffi.buffer(buf)[0:length] == sample_data + class TestOpenSSLRandomEngine(object): def teardown_method(self, method): |