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Test ECC functions ecdh and ecdhRaw

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This commit is contained in:
Olivier Chéron 2017-07-05 22:17:24 +02:00
parent 9b56689885
commit 5c4458d626
1 changed files with 69 additions and 1 deletions
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70
tests/ECC.hs
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@ -11,7 +11,7 @@ import Data.ByteString (ByteString)
import Imports
data Curve = forall curve. (ECC.EllipticCurve curve, Show curve, Eq (ECC.Point curve)) => Curve curve
data Curve = forall curve. (ECC.EllipticCurveDH curve, Show curve, Eq (ECC.Point curve)) => Curve curve
instance Show Curve where
showsPrec d (Curve curve) = showsPrec d curve
@ -209,6 +209,54 @@ vectorsPoint =
}
]
vectorsWeakPoint =
[ VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "0000000000000000000000000000000000000000000000000000000000000000"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "0100000000000000000000000000000000000000000000000000000000000000"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "e0eb7a7c3b41b8ae1656e3faf19fc46ada098deb9c32b1fd866205165f49b800"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "5f9c95bca3508c24b1d0b1559c83ef5b04445cc4581c8e86d8224eddd09f1157"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "ecffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "edffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X25519
, vpHex = "eeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X448
, vpHex = "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
, VectorPoint
{ vpCurve = Curve ECC.Curve_X448
, vpHex = "0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
, vpError = Just CryptoError_ScalarMultiplicationInvalid
}
]
vpEncodedPoint :: VectorPoint -> ByteString
vpEncodedPoint vector = let Right bs = convertFromBase Base16 (vpHex vector) in bs
@ -221,8 +269,17 @@ doPointDecodeTest (i, vector) =
let prx = Just curve -- using Maybe as Proxy
in testCase (show i) (vpError vector @=? cryptoError (ECC.decodePoint prx $ vpEncodedPoint vector))
doWeakPointECDHTest (i, vector) =
case vpCurve vector of
Curve curve -> testCase (show i) $ do
let prx = Just curve -- using Maybe as Proxy
CryptoPassed public = ECC.decodePoint prx $ vpEncodedPoint vector
keyPair <- ECC.curveGenerateKeyPair prx
vpError vector @=? cryptoError (ECC.ecdh prx (ECC.keypairGetPrivate keyPair) public)
tests = testGroup "ECC"
[ testGroup "decodePoint" $ map doPointDecodeTest (zip [katZero..] vectorsPoint)
, testGroup "ECDH weak points" $ map doWeakPointECDHTest (zip [katZero..] vectorsWeakPoint)
, testGroup "property"
[ testProperty "decodePoint.encodePoint==id" $ \testDRG (Curve curve) -> do
let prx = Just curve -- using Maybe as Proxy
@ -231,5 +288,16 @@ tests = testGroup "ECC"
bs = ECC.encodePoint prx p1 :: ByteString
p2 = ECC.decodePoint prx bs
in CryptoPassed p1 == p2
, localOption (QuickCheckTests 20) $ testProperty "ECDH commutes" $ \testDRG (Curve curve) ->
let prx = Just curve -- using Maybe as Proxy
(alice, bob) = withTestDRG testDRG $
(,) <$> ECC.curveGenerateKeyPair prx
<*> ECC.curveGenerateKeyPair prx
aliceShared = ECC.ecdh prx (ECC.keypairGetPrivate alice) (ECC.keypairGetPublic bob)
bobShared = ECC.ecdh prx (ECC.keypairGetPrivate bob) (ECC.keypairGetPublic alice)
aliceShared' = ECC.ecdhRaw prx (ECC.keypairGetPrivate alice) (ECC.keypairGetPublic bob)
bobShared' = ECC.ecdhRaw prx (ECC.keypairGetPrivate bob) (ECC.keypairGetPublic alice)
in aliceShared == bobShared && aliceShared == CryptoPassed aliceShared'
&& bobShared == CryptoPassed bobShared'
]
]