Safe Haskell	None
Language	Haskell2010

Crypto.PubKey.ECC.ECDSA

Description

WARNING: Signature operations may leak the private key. Signature verification should be safe.

Synopsis

data Signature = Signature {
- sign_r :: Integer
- sign_s :: Integer
}
type PublicPoint = Point
data PublicKey = PublicKey {
- public_curve :: Curve
- public_q :: PublicPoint
}
type PrivateNumber = Integer
data PrivateKey = PrivateKey {
- private_curve :: Curve
- private_d :: PrivateNumber
}
data KeyPair = KeyPair Curve PublicPoint PrivateNumber
toPublicKey :: KeyPair -> PublicKey
toPrivateKey :: KeyPair -> PrivateKey
signWith :: (ByteArrayAccess msg, HashAlgorithm hash) => Integer -> PrivateKey -> hash -> msg -> Maybe Signature
signDigestWith :: HashAlgorithm hash => Integer -> PrivateKey -> Digest hash -> Maybe Signature
sign :: (ByteArrayAccess msg, HashAlgorithm hash, MonadRandom m) => PrivateKey -> hash -> msg -> m Signature
signDigest :: (HashAlgorithm hash, MonadRandom m) => PrivateKey -> Digest hash -> m Signature
verify :: (ByteArrayAccess msg, HashAlgorithm hash) => hash -> PublicKey -> Signature -> msg -> Bool
verifyDigest :: HashAlgorithm hash => PublicKey -> Signature -> Digest hash -> Bool

Documentation

data Signature #

Represent a ECDSA signature namely R and S.

Constructors

Signature
Fields sign_r :: Integer ECDSA r sign_s :: Integer ECDSA s

Instances

Instances details

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

type PublicPoint = Point #

ECC Public Point

data PublicKey #

ECDSA Public Key.

Constructors

PublicKey
Fields public_curve :: Curve public_q :: PublicPoint

Instances

Instances details

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

type PrivateNumber = Integer #

ECC Private Number

data PrivateKey #

ECDSA Private Key.

Constructors

PrivateKey
Fields private_curve :: Curve private_d :: PrivateNumber

Instances

Instances details

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

data KeyPair #

ECDSA Key Pair.

Constructors

KeyPair Curve PublicPoint PrivateNumber

Instances

Instances details

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

toPublicKey :: KeyPair -> PublicKey #

Public key of a ECDSA Key pair.

toPrivateKey :: KeyPair -> PrivateKey #

Private key of a ECDSA Key pair.

signWith #

Arguments

:: (ByteArrayAccess msg, HashAlgorithm hash)
=> Integer	k random number
-> PrivateKey	private key
-> hash	hash function
-> msg	message to sign
-> Maybe Signature

Sign message using the private key and an explicit k number.

WARNING: Vulnerable to timing attacks.

signDigestWith #

Arguments

:: HashAlgorithm hash
=> Integer	k random number
-> PrivateKey	private key
-> Digest hash	digest to sign
-> Maybe Signature

Sign digest using the private key and an explicit k number.

WARNING: Vulnerable to timing attacks.

sign :: (ByteArrayAccess msg, HashAlgorithm hash, MonadRandom m) => PrivateKey -> hash -> msg -> m Signature #

Sign message using the private key.

WARNING: Vulnerable to timing attacks.

signDigest :: (HashAlgorithm hash, MonadRandom m) => PrivateKey -> Digest hash -> m Signature #

Sign digest using the private key.

WARNING: Vulnerable to timing attacks.

verify :: (ByteArrayAccess msg, HashAlgorithm hash) => hash -> PublicKey -> Signature -> msg -> Bool #

Verify a bytestring using the public key.

verifyDigest :: HashAlgorithm hash => PublicKey -> Signature -> Digest hash -> Bool #

Verify a digest using the public key.