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| author | Dwayne C. Litzenberger <dlitz@dlitz.net> | 2010-08-26 23:43:01 -0400 |
|---|---|---|
| committer | Dwayne C. Litzenberger <dlitz@dlitz.net> | 2010-08-26 23:48:25 -0400 |
| commit | 1d68d2b9fdf6edc4cc672fa8f2605e6d7e4f517e (patch) | |
| tree | fcb59305e28f510a9173c4144537d439490ba694 | |
| parent | 901254f9741f879372ca0105e09b1985c8dd1ef0 (diff) | |
| download | pycrypto-1d68d2b9fdf6edc4cc672fa8f2605e6d7e4f517e.tar.gz | |
_slowmath: Compute RSA u parameter when it's not given to RSA.construct
This makes _slowmath behave the same as _fastmath in this regard.
| -rw-r--r-- | lib/Crypto/PublicKey/_slowmath.py | 5 | ||||
| -rw-r--r-- | lib/Crypto/SelfTest/PublicKey/test_RSA.py | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Crypto/PublicKey/_slowmath.py b/lib/Crypto/PublicKey/_slowmath.py index 05f1e18..5761a83 100644 --- a/lib/Crypto/PublicKey/_slowmath.py +++ b/lib/Crypto/PublicKey/_slowmath.py @@ -83,7 +83,10 @@ def rsa_construct(n, e, d=None, p=None, q=None, u=None): if d is not None: obj.d = d if p is not None: obj.p = p if q is not None: obj.q = q - if u is not None: obj.u = u + if u is not None: + obj.u = u + elif p is not None and q is not None: + obj.u = inverse(p, q) return obj class _DSAKey(object): diff --git a/lib/Crypto/SelfTest/PublicKey/test_RSA.py b/lib/Crypto/SelfTest/PublicKey/test_RSA.py index b5de14f..4c60860 100644 --- a/lib/Crypto/SelfTest/PublicKey/test_RSA.py +++ b/lib/Crypto/SelfTest/PublicKey/test_RSA.py @@ -142,6 +142,7 @@ class RSATest(unittest.TestCase): def test_construct_5tuple(self): """RSA (default implementation) constructed key (5-tuple)""" rsaObj = self.rsa.construct((self.n, self.e, self.d, self.p, self.q)) + self._check_private_key(rsaObj) self._check_encryption(rsaObj) self._check_decryption(rsaObj) self._check_signing(rsaObj) |