License	BSD-style
Maintainer	Vincent Hanquez <vincent@snarc.org>
Stability	experimental
Portability	unknown
Safe Haskell	None
Language	Haskell2010

Crypto.PubKey.ECC.DH

Description

Elliptic curve Diffie Hellman

Synopsis

data Curve
type PublicPoint = Point
type PrivateNumber = Integer
newtype SharedKey = SharedKey ScrubbedBytes
generatePrivate :: MonadRandom m => Curve -> m PrivateNumber
calculatePublic :: Curve -> PrivateNumber -> PublicPoint
getShared :: Curve -> PrivateNumber -> PublicPoint -> SharedKey

Documentation

data Curve Source #

Define either a binary curve or a prime curve.

Instances

Instances details

Eq Curve Source #
Instance details Defined in Crypto.PubKey.ECC.Types Methods (==) :: Curve -> Curve -> Bool Source # (/=) :: Curve -> Curve -> Bool Source #
Data Curve Source #
Instance details Defined in Crypto.PubKey.ECC.Types Methods gfoldl :: ( forall d b. Data d => c (d -> b) -> d -> c b) -> ( forall g. g -> c g) -> Curve -> c Curve Source # gunfold :: ( forall b r. Data b => c (b -> r) -> c r) -> ( forall r. r -> c r) -> Constr -> c Curve Source # toConstr :: Curve -> Constr Source # dataTypeOf :: Curve -> DataType Source # dataCast1 :: Typeable t => ( forall d. Data d => c (t d)) -> Maybe (c Curve ) Source # dataCast2 :: Typeable t => ( forall d e. ( Data d, Data e) => c (t d e)) -> Maybe (c Curve ) Source # gmapT :: ( forall b. Data b => b -> b) -> Curve -> Curve Source # gmapQl :: (r -> r' -> r) -> r -> ( forall d. Data d => d -> r') -> Curve -> r Source # gmapQr :: forall r r'. (r' -> r -> r) -> r -> ( forall d. Data d => d -> r') -> Curve -> r Source # gmapQ :: ( forall d. Data d => d -> u) -> Curve -> [u] Source # gmapQi :: Int -> ( forall d. Data d => d -> u) -> Curve -> u Source # gmapM :: Monad m => ( forall d. Data d => d -> m d) -> Curve -> m Curve Source # gmapMp :: MonadPlus m => ( forall d. Data d => d -> m d) -> Curve -> m Curve Source # gmapMo :: MonadPlus m => ( forall d. Data d => d -> m d) -> Curve -> m Curve Source #
Read Curve Source #
Instance details Defined in Crypto.PubKey.ECC.Types Methods readsPrec :: Int -> ReadS Curve Source # readList :: ReadS [ Curve ] Source # readPrec :: ReadPrec Curve Source # readListPrec :: ReadPrec [ Curve ] Source #
Show Curve Source #
Instance details Defined in Crypto.PubKey.ECC.Types Methods showsPrec :: Int -> Curve -> ShowS Source # show :: Curve -> String Source # showList :: [ Curve ] -> ShowS Source #

type PublicPoint = Point Source #

ECC Public Point

type PrivateNumber = Integer Source #

ECC Private Number

newtype SharedKey Source #

Represent Diffie Hellman shared secret.

Constructors

SharedKey ScrubbedBytes

Instances

Instances details

Eq SharedKey Source #
Instance details Defined in Crypto.PubKey.DH Methods (==) :: SharedKey -> SharedKey -> Bool Source # (/=) :: SharedKey -> SharedKey -> Bool Source #
Show SharedKey Source #
Instance details Defined in Crypto.PubKey.DH Methods showsPrec :: Int -> SharedKey -> ShowS Source # show :: SharedKey -> String Source # showList :: [ SharedKey ] -> ShowS Source #
NFData SharedKey Source #
Instance details Defined in Crypto.PubKey.DH Methods rnf :: SharedKey -> () Source #
ByteArrayAccess SharedKey Source #
Instance details Defined in Crypto.PubKey.DH Methods length :: SharedKey -> Int Source # withByteArray :: SharedKey -> ( Ptr p -> IO a) -> IO a Source # copyByteArrayToPtr :: SharedKey -> Ptr p -> IO () Source #

generatePrivate :: MonadRandom m => Curve -> m PrivateNumber Source #

Generating a private number d.

calculatePublic :: Curve -> PrivateNumber -> PublicPoint Source #

Generating a public point Q.

getShared :: Curve -> PrivateNumber -> PublicPoint -> SharedKey Source #

Generating a shared key using our private number and the other party public point.