def test_verify(self, tv):
self._id = "Wycheproof RSA PKCS$#1 Test #" + str(tv.id)
hashed_msg = tv.hash_module.new(tv.msg)
signer = pkcs1_15.new(tv.key)
try:
signature = signer.verify(hashed_msg, tv.sig)
except ValueError as e:
if tv.warning:
return
assert not tv.valid
else:
assert tv.valid
self.warn(tv)
def runTest(self):
key = RSA.generate(1024)
signer = pkcs1_15.new(key)
hash_names = ("MD2", "MD4", "MD5", "RIPEMD160", "SHA1",
"SHA224", "SHA256", "SHA384", "SHA512",
"SHA3_224", "SHA3_256", "SHA3_384", "SHA3_512")
for name in hash_names:
hashed = load_hash_by_name(name).new(b("Test"))
signer.sign(hashed)
from crypto.Hash import BLAKE2b, BLAKE2s
for hash_size in (20, 32, 48, 64):
hashed_b = BLAKE2b.new(digest_bytes=hash_size, data=b("Test"))
signer.sign(hashed_b)
for hash_size in (16, 20, 28, 32):
hashed_s = BLAKE2s.new(digest_bytes=hash_size, data=b("Test"))
signer.sign(hashed_s)
def test_can_sign(self):
test_public_key = RSA.generate(1024).publickey()
verifier = pkcs1_15.new(test_public_key)
self.assertEqual(verifier.can_sign(), False)
def runTest(self):
verifier = pkcs1_15.new(RSA.importKey(self.rsakey))
hashed = SHA1.new(self.msg)
verifier.verify(hashed, self.signature)
def test_can_sign(self):
test_private_key = RSA.generate(1024)
signer = pkcs1_15.new(test_private_key)
self.assertEqual(signer.can_sign(), True)
{ 'shaalg' : lambda x: x,
'd' : lambda x: int(x),
'result' : lambda x: x })
for count, tv in enumerate(test_vectors_verify):
if isinstance(tv, str):
continue
if hasattr(tv, "n"):
modulus = tv.n
continue
hash_module = load_hash_by_name(tv.shaalg.upper())
hash_obj = hash_module.new(tv.msg)
public_key = RSA.construct([bytes_to_long(x) for x in (modulus, tv.e)])
verifier = pkcs1_15.new(public_key)
def positive_test(self, hash_obj=hash_obj, verifier=verifier, signature=tv.s):
verifier.verify(hash_obj, signature)
def negative_test(self, hash_obj=hash_obj, verifier=verifier, signature=tv.s):
self.assertRaises(ValueError, verifier.verify, hash_obj, signature)
if tv.result == 'f':
setattr(FIPS_PKCS1_Verify_Tests_KAT, "test_negative_%d" % count, negative_test)
else:
setattr(FIPS_PKCS1_Verify_Tests_KAT, "test_positive_%d" % count, positive_test)
class FIPS_PKCS1_Sign_Tests(unittest.TestCase):
def new(rsa_key):
pkcs1 = pkcs1_15.new(rsa_key)
pkcs1._verify = pkcs1.verify
pkcs1.verify = types.MethodType(_pycrypto_verify, pkcs1)
return pkcs1