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Eq and Show for Point and Scalar.

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This commit is contained in:
Kazu Yamamoto 2016-11-16 16:53:43 +09:00
parent aa33c00855
commit a6f177352a
2 changed files with 21 additions and 9 deletions
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28
Crypto/ECC.hs
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@ -68,6 +68,18 @@ class EllipticCurve curve where
-- | Generate a new random keypair
curveGenerateKeyPair :: MonadRandom randomly => randomly (KeyPair curve)
instance {-# OVERLAPPABLE #-} Show (Point a) where
show _ = undefined
instance {-# OVERLAPPABLE #-} Eq (Point a) where
_ == _ = undefined
instance {-# OVERLAPPABLE #-} Show (Scalar a) where
show _ = undefined
instance {-# OVERLAPPABLE #-} Eq (Scalar a) where
_ == _ = undefined
class EllipticCurve curve => EllipticCurveDH curve where
-- | Generate a Diffie hellman secret value.
--
@ -93,8 +105,8 @@ class EllipticCurve curve => EllipticCurveArith curve where
data Curve_P256R1 = Curve_P256R1
instance EllipticCurve Curve_P256R1 where
newtype Point Curve_P256R1 = P256Point { unP256Point :: P256.Point }
newtype Scalar Curve_P256R1 = P256Scalar { unP256Scalar :: P256.Scalar }
newtype Point Curve_P256R1 = P256Point { unP256Point :: P256.Point } deriving (Eq,Show)
newtype Scalar Curve_P256R1 = P256Scalar { unP256Scalar :: P256.Scalar } deriving (Eq,Show)
curveGetOrder _ = 0xffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551
curveGetBasePoint = P256Point P256.pointBase
curveOfScalar _ = Curve_P256R1
@ -117,8 +129,8 @@ instance EllipticCurveDH Curve_P256R1 where
data Curve_P384R1 = Curve_P384R1
instance EllipticCurve Curve_P384R1 where
newtype Point Curve_P384R1 = P384Point { unP384Point :: H.Point }
newtype Scalar Curve_P384R1 = P384Scalar { unP384Scalar :: H.PrivateNumber }
newtype Point Curve_P384R1 = P384Point { unP384Point :: H.Point } deriving (Eq,Show)
newtype Scalar Curve_P384R1 = P384Scalar { unP384Scalar :: H.PrivateNumber } deriving (Eq,Show)
curveGetOrder _ = H.ecc_n $ H.common_curve $ H.getCurveByName H.SEC_p384r1
curveGetBasePoint = P384Point $ H.ecc_g $ H.common_curve $ H.getCurveByName H.SEC_p384r1
curveOfScalar _ = Curve_P384R1
@ -141,8 +153,8 @@ instance EllipticCurveDH Curve_P384R1 where
data Curve_P521R1 = Curve_P521R1
instance EllipticCurve Curve_P521R1 where
newtype Point Curve_P521R1 = P521Point { unP521Point :: H.Point }
newtype Scalar Curve_P521R1 = P521Scalar { unP521Scalar :: H.PrivateNumber }
newtype Point Curve_P521R1 = P521Point { unP521Point :: H.Point } deriving (Eq,Show)
newtype Scalar Curve_P521R1 = P521Scalar { unP521Scalar :: H.PrivateNumber } deriving (Eq,Show)
curveGetOrder _ = H.ecc_n $ H.common_curve $ H.getCurveByName H.SEC_p521r1
curveGetBasePoint = P521Point $ H.ecc_g $ H.common_curve $ H.getCurveByName H.SEC_p521r1
curveOfScalar _ = Curve_P521R1
@ -165,8 +177,8 @@ instance EllipticCurveDH Curve_P521R1 where
data Curve_X25519 = Curve_X25519
instance EllipticCurve Curve_X25519 where
newtype Point Curve_X25519 = X25519Point X25519.PublicKey
newtype Scalar Curve_X25519 = X25519Scalar X25519.SecretKey
newtype Point Curve_X25519 = X25519Point X25519.PublicKey deriving (Eq,Show)
newtype Scalar Curve_X25519 = X25519Scalar X25519.SecretKey deriving (Eq,Show)
curveGetOrder _ = undefined
curveGetBasePoint = undefined
curveOfScalar _ = Curve_X25519

2
Crypto/PubKey/ECC/P256.hs
View File

@ -56,7 +56,7 @@ import qualified Crypto.Number.Serialize as S (os2ip, i2ospOf)
-- | A P256 scalar
newtype Scalar = Scalar ScrubbedBytes
deriving (Eq,ByteArrayAccess)
deriving (Show,Eq,ByteArrayAccess)
-- | A P256 point
newtype Point = Point Bytes