diff options
Diffstat (limited to 'frozen_deps/ecdsa/test_malformed_sigs.py')
| -rw-r--r-- | frozen_deps/ecdsa/test_malformed_sigs.py | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/frozen_deps/ecdsa/test_malformed_sigs.py b/frozen_deps/ecdsa/test_malformed_sigs.py index 4895cea..8e1b611 100644 --- a/frozen_deps/ecdsa/test_malformed_sigs.py +++ b/frozen_deps/ecdsa/test_malformed_sigs.py @@ -13,10 +13,17 @@ except ImportError: # pragma: no cover "sha384", "sha512", ] +# skip algorithms broken by change to OpenSSL 3.0 and early versions +# of hashlib that list algorithms that require the legacy provider to work +# https://bugs.python.org/issue38820 +algorithms_available = [ + i + for i in algorithms_available + if i not in ("mdc2", "md2", "md4", "whirlpool", "ripemd160") +] from functools import partial import pytest import sys -from six import binary_type import hypothesis.strategies as st from hypothesis import note, assume, given, settings, example @@ -24,7 +31,7 @@ from .keys import SigningKey from .keys import BadSignatureError from .util import sigencode_der, sigencode_string from .util import sigdecode_der, sigdecode_string -from .curves import curves, NIST256p +from .curves import curves from .der import ( encode_integer, encode_bitstring, @@ -33,6 +40,7 @@ from .der import ( encode_sequence, encode_constructed, ) +from .ellipticcurve import CurveEdTw example_data = b"some data to sign" @@ -174,7 +182,7 @@ def st_random_der_ecdsa_sig_value(draw): note("Configuration: {0}".format(name)) order = int(verifying_key.curve.order) - # the encode_integer doesn't suport negative numbers, would be nice + # the encode_integer doesn't support negative numbers, would be nice # to generate them too, but we have coverage for remove_integer() # verifying that it doesn't accept them, so meh. # Test all numbers around the ones that can show up (around order) @@ -227,7 +235,7 @@ def st_der_bit_string(draw, *args, **kwargs): if data: unused = draw(st.integers(min_value=0, max_value=7)) data = bytearray(data) - data[-1] &= -(2 ** unused) + data[-1] &= -(2**unused) data = bytes(data) else: unused = 0 @@ -258,9 +266,9 @@ def st_der_oid(draw): if first < 2: second = draw(st.integers(min_value=0, max_value=39)) else: - second = draw(st.integers(min_value=0, max_value=2 ** 512)) + second = draw(st.integers(min_value=0, max_value=2**512)) rest = draw( - st.lists(st.integers(min_value=0, max_value=2 ** 512), max_size=50) + st.lists(st.integers(min_value=0, max_value=2**512), max_size=50) ) return encode_oid(first, second, *rest) @@ -275,9 +283,9 @@ def st_der(): """ return st.recursive( st.just(b"") - | st_der_integer(max_value=2 ** 4096) - | st_der_bit_string(max_size=1024 ** 2) - | st_der_octet_string(max_size=1024 ** 2) + | st_der_integer(max_value=2**4096) + | st_der_bit_string(max_size=1024**2) + | st_der_octet_string(max_size=1024**2) | st_der_null() | st_der_oid(), lambda children: st.builds( @@ -307,7 +315,7 @@ def test_random_der_as_signature(params, der): @settings(**params) -@given(st.sampled_from(keys_and_sigs), st.binary(max_size=1024 ** 2)) +@given(st.sampled_from(keys_and_sigs), st.binary(max_size=1024**2)) @example( keys_and_sigs[0], encode_sequence(encode_integer(0), encode_integer(0)) ) @@ -334,6 +342,7 @@ keys_and_string_sigs = [ ), ) for name, verifying_key, sig in keys_and_sigs + if not isinstance(verifying_key.curve.curve, CurveEdTw) ] """ Name of the curve+hash combination, VerifyingKey and signature as a @@ -341,6 +350,17 @@ byte string. """ +keys_and_string_sigs += [ + ( + name, + verifying_key, + sig, + ) + for name, verifying_key, sig in keys_and_sigs + if isinstance(verifying_key.curve.curve, CurveEdTw) +] + + @settings(**params) @given(st_fuzzed_sig(keys_and_string_sigs)) def test_fuzzed_string_signatures(params): |