diff options
Diffstat (limited to 'tests/hazmat')
| -rw-r--r-- | tests/hazmat/primitives/twofactor/test_hotp.py | 22 | ||||
| -rw-r--r-- | tests/hazmat/primitives/twofactor/test_totp.py | 129 |
2 files changed, 143 insertions, 8 deletions
diff --git a/tests/hazmat/primitives/twofactor/test_hotp.py b/tests/hazmat/primitives/twofactor/test_hotp.py index ec619b55..7c584271 100644 --- a/tests/hazmat/primitives/twofactor/test_hotp.py +++ b/tests/hazmat/primitives/twofactor/test_hotp.py @@ -15,10 +15,11 @@ import os import pytest -from cryptography.exceptions import InvalidToken +from cryptography.exceptions import InvalidToken, UnsupportedAlgorithm from cryptography.hazmat.primitives.twofactor.hotp import HOTP from cryptography.hazmat.primitives import hashes from tests.utils import load_vectors_from_file, load_nist_vectors +from cryptography.hazmat.primitives.hashes import MD5, SHA1 vectors = load_vectors_from_file( "twofactor/rfc-4226.txt", load_nist_vectors) @@ -30,18 +31,23 @@ vectors = load_vectors_from_file( ) @pytest.mark.hmac class TestHOTP(object): - def test_invalid_key_length(self, backend): secret = os.urandom(10) with pytest.raises(ValueError): - HOTP(secret, 6, backend) + HOTP(secret, 6, SHA1(), backend) def test_invalid_hotp_length(self, backend): secret = os.urandom(16) with pytest.raises(ValueError): - HOTP(secret, 4, backend) + HOTP(secret, 4, SHA1(), backend) + + def test_invalid_algorithm(self, backend): + secret = os.urandom(16) + + with pytest.raises(UnsupportedAlgorithm): + HOTP(secret, 6, MD5(), backend) @pytest.mark.parametrize("params", vectors) def test_truncate(self, backend, params): @@ -49,7 +55,7 @@ class TestHOTP(object): counter = int(params["counter"]) truncated = params["truncated"] - hotp = HOTP(secret, 6, backend) + hotp = HOTP(secret, 6, SHA1(), backend) assert hotp._dynamic_truncate(counter) == int(truncated.decode(), 16) @@ -59,7 +65,7 @@ class TestHOTP(object): counter = int(params["counter"]) hotp_value = params["hotp"] - hotp = HOTP(secret, 6, backend) + hotp = HOTP(secret, 6, SHA1(), backend) assert hotp.generate(counter) == hotp_value @@ -69,7 +75,7 @@ class TestHOTP(object): counter = int(params["counter"]) hotp_value = params["hotp"] - hotp = HOTP(secret, 6, backend) + hotp = HOTP(secret, 6, SHA1(), backend) assert hotp.verify(hotp_value, counter) is None @@ -77,7 +83,7 @@ class TestHOTP(object): secret = b"12345678901234567890" counter = 0 - hotp = HOTP(secret, 6, backend) + hotp = HOTP(secret, 6, SHA1(), backend) with pytest.raises(InvalidToken): hotp.verify(b"123456", counter) diff --git a/tests/hazmat/primitives/twofactor/test_totp.py b/tests/hazmat/primitives/twofactor/test_totp.py new file mode 100644 index 00000000..a4a108bc --- /dev/null +++ b/tests/hazmat/primitives/twofactor/test_totp.py @@ -0,0 +1,129 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import pytest + +from cryptography.exceptions import InvalidToken +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.twofactor.totp import TOTP +from tests.utils import load_vectors_from_file, load_nist_vectors + +vectors = load_vectors_from_file( + "twofactor/rfc-6238.txt", load_nist_vectors) + + +@pytest.mark.hmac +class TestTOTP(object): + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA1()), + skip_message="Does not support HMAC-SHA1." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA1"]) + def test_generate_sha1(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA1(), 30, backend) + assert totp.generate(time) == totp_value + + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA256()), + skip_message="Does not support HMAC-SHA256." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA256"]) + def test_generate_sha256(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA256(), 30, backend) + assert totp.generate(time) == totp_value + + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA512()), + skip_message="Does not support HMAC-SHA512." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA512"]) + def test_generate_sha512(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA512(), 30, backend) + assert totp.generate(time) == totp_value + + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA1()), + skip_message="Does not support HMAC-SHA1." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA1"]) + def test_verify_sha1(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA1(), 30, backend) + + assert totp.verify(totp_value, time) is None + + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA256()), + skip_message="Does not support HMAC-SHA256." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA256"]) + def test_verify_sha256(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA256(), 30, backend) + + assert totp.verify(totp_value, time) is None + + @pytest.mark.supported( + only_if=lambda backend: backend.hmac_supported(hashes.SHA512()), + skip_message="Does not support HMAC-SHA512." + ) + @pytest.mark.parametrize( + "params", [i for i in vectors if i["mode"] == b"SHA512"]) + def test_verify_sha512(self, backend, params): + secret = params["secret"] + time = int(params["time"]) + totp_value = params["totp"] + + totp = TOTP(secret, 8, hashes.SHA512(), 30, backend) + + assert totp.verify(totp_value, time) is None + + def test_invalid_verify(self, backend): + secret = b"12345678901234567890" + time = 59 + + totp = TOTP(secret, 8, hashes.SHA1(), 30, backend) + + with pytest.raises(InvalidToken): + totp.verify(b"12345678", time) + + def test_floating_point_time_generate(self, backend): + secret = b"12345678901234567890" + time = 59.1 + + totp = TOTP(secret, 8, hashes.SHA1(), 30, backend) + + assert totp.generate(time) == b"94287082" |