def _get_ghash_clmul():
"""Return None if CLMUL implementation is not available"""
if not _cpuid.have_clmul():
return None
try:
api = _ghash_api_template.replace("%imp%", "clmul")
lib = load_pycryptodome_raw_lib("Crypto.Hash._ghash_clmul", api)
result = _build_impl(lib, "clmul")
except OSError:
result = None
return result
def get_tests(config={}):
from Crypto.Util import _cpuid
wycheproof_warnings = config.get('wycheproof_warnings')
tests = []
tests += list_test_cases(GcmTests)
tests += list_test_cases(GcmFSMTests)
tests += [ TestVectors() ]
tests += [ TestVectorsWycheproof(wycheproof_warnings) ]
tests += list_test_cases(TestVectorsGueronKrasnov)
tests += [ TestVariableLength() ]
if config.get('slow_tests'):
tests += list_test_cases(NISTTestVectorsGCM)
if _cpuid.have_clmul():
tests += [ TestVectorsWycheproof(wycheproof_warnings, use_clmul=False) ]
tests += [ TestVariableLength(use_clmul = False) ]
if config.get('slow_tests'):
tests += list_test_cases(NISTTestVectorsGCM_no_clmul)
else:
print "Skipping test of PCLMULDQD in AES GCM"
return tests