ripemd160 support + long string hash test
* Note that the long string hash test for RIPEMD160 adds a vector in the
test. You can verify this vector (for b"a" * 1000000) on the RIPE
homepage: http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
diff --git a/tests/primitives/test_hash_vectors.py b/tests/primitives/test_hash_vectors.py
index d0fe46d..51c4b85 100644
--- a/tests/primitives/test_hash_vectors.py
+++ b/tests/primitives/test_hash_vectors.py
@@ -17,7 +17,7 @@
from cryptography.primitives import hashes
-from .utils import generate_hash_test
+from .utils import generate_hash_test, generate_long_string_hash_test
from ..utils import load_hash_vectors_from_file
@@ -89,3 +89,23 @@
only_if=lambda api: api.supports_hash(hashes.SHA512),
skip_message="Does not support SHA512",
)
+
+
+class TestRIPEMD160(object):
+ test_RIPEMD160 = generate_hash_test(
+ load_hash_vectors_from_file,
+ os.path.join("ISO", "ripemd160"),
+ [
+ "ripevectors.txt",
+ ],
+ hashes.RIPEMD160,
+ only_if=lambda api: api.supports_hash(hashes.RIPEMD160),
+ skip_message="Does not support RIPEMD160",
+ )
+
+ test_RIPEMD160_long_string = generate_long_string_hash_test(
+ hashes.RIPEMD160,
+ "52783243c1697bdbe16d37f97f68f08325dc1528",
+ only_if=lambda api: api.supports_hash(hashes.RIPEMD160),
+ skip_message="Does not support RIPEMD160",
+ )
diff --git a/tests/primitives/test_hashes.py b/tests/primitives/test_hashes.py
index 2f2dd1c..bfb4503 100644
--- a/tests/primitives/test_hashes.py
+++ b/tests/primitives/test_hashes.py
@@ -66,3 +66,13 @@
only_if=lambda api: api.supports_hash(hashes.SHA512),
skip_message="Does not support SHA512",
)
+
+
+class TestRIPEMD160(object):
+ test_RIPEMD160 = generate_base_hash_test(
+ hashes.RIPEMD160,
+ digest_size=20,
+ block_size=64,
+ only_if=lambda api: api.supports_hash(hashes.RIPEMD160),
+ skip_message="Does not support RIPEMD160",
+ )
diff --git a/tests/primitives/test_utils.py b/tests/primitives/test_utils.py
index 43ec8a7..9888309 100644
--- a/tests/primitives/test_utils.py
+++ b/tests/primitives/test_utils.py
@@ -1,6 +1,7 @@
import pytest
-from .utils import encrypt_test, hash_test, base_hash_test
+from .utils import (base_hash_test, encrypt_test, hash_test,
+ long_string_hash_test)
class TestEncryptTest(object):
@@ -34,3 +35,14 @@
skip_message="message!"
)
assert exc_info.value.args[0] == "message!"
+
+
+class TestLongHashTest(object):
+ def test_skips_if_only_if_returns_false(self):
+ with pytest.raises(pytest.skip.Exception) as exc_info:
+ long_string_hash_test(
+ None, None, None,
+ only_if=lambda api: False,
+ skip_message="message!"
+ )
+ assert exc_info.value.args[0] == "message!"
diff --git a/tests/primitives/utils.py b/tests/primitives/utils.py
index 0d4c0eb..8b32700 100644
--- a/tests/primitives/utils.py
+++ b/tests/primitives/utils.py
@@ -95,3 +95,26 @@
m_copy = m.copy()
assert m != m_copy
assert m._ctx != m_copy._ctx
+
+
+def generate_long_string_hash_test(hash_factory, md, only_if=lambda api: True,
+ skip_message=None):
+ def test_long_string_hash(self):
+ for api in _ALL_APIS:
+ yield(
+ long_string_hash_test,
+ api,
+ hash_factory,
+ md,
+ only_if,
+ skip_message
+ )
+ return test_long_string_hash
+
+
+def long_string_hash_test(api, hash_factory, md, only_if, skip_message):
+ if not only_if(api):
+ pytest.skip(skip_message)
+ m = hash_factory(api)
+ m.update(b"a" * 1000000)
+ assert m.hexdigest() == md.lower()