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

Crypto.PubKey.DSA

Contents

Generation
Signature primitive
Verification primitive
Key pair

Description

An implementation of the Digital Signature Algorithm (DSA)

Synopsis

data Params = Params {
- params_p :: Integer
- params_g :: Integer
- params_q :: Integer
}
data Signature = Signature {
- sign_r :: Integer
- sign_s :: Integer
}
data PublicKey = PublicKey {
- public_params :: Params
- public_y :: PublicNumber
}
data PrivateKey = PrivateKey {
- private_params :: Params
- private_x :: PrivateNumber
}
type PublicNumber = Integer
type PrivateNumber = Integer
generatePrivate :: MonadRandom m => Params -> m PrivateNumber
calculatePublic :: Params -> PrivateNumber -> PublicNumber
sign :: ( ByteArrayAccess msg, HashAlgorithm hash, MonadRandom m) => PrivateKey -> hash -> msg -> m Signature
signWith :: ( ByteArrayAccess msg, HashAlgorithm hash) => Integer -> PrivateKey -> hash -> msg -> Maybe Signature
verify :: ( ByteArrayAccess msg, HashAlgorithm hash) => hash -> PublicKey -> Signature -> msg -> Bool
data KeyPair = KeyPair Params PublicNumber PrivateNumber
toPublicKey :: KeyPair -> PublicKey
toPrivateKey :: KeyPair -> PrivateKey

Documentation

data Params Source #

Represent DSA parameters namely P, G, and Q.

Constructors

Params
Fields params_p :: Integer DSA p params_g :: Integer DSA g params_q :: Integer DSA q

Instances

Instances details

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

data Signature Source #

Represent a DSA signature namely R and S.

Constructors

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

Instances

Instances details

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

data PublicKey Source #

Represent a DSA public key.

Constructors

PublicKey
Fields public_params :: Params DSA parameters public_y :: PublicNumber DSA public Y

Instances

Instances details

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

data PrivateKey Source #

Represent a DSA private key.

Only x need to be secret. the DSA parameters are publicly shared with the other side.

Constructors

PrivateKey
Fields private_params :: Params DSA parameters private_x :: PrivateNumber DSA private X

Instances

Instances details

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

type PublicNumber = Integer Source #

DSA Public Number, usually embedded in DSA Public Key

type PrivateNumber = Integer Source #

DSA Private Number, usually embedded in DSA Private Key

Generation

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

generate a private number with no specific property this number is usually called X in DSA text.

calculatePublic :: Params -> PrivateNumber -> PublicNumber Source #

Calculate the public number from the parameters and the private key

Signature primitive

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

sign message using the private key.

signWith Source #

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.

Verification primitive

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

verify a bytestring using the public key.

Key pair

data KeyPair Source #

Represent a DSA key pair

Constructors

KeyPair Params PublicNumber PrivateNumber

Instances

Instances details

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

toPublicKey :: KeyPair -> PublicKey Source #

Public key of a DSA Key pair

toPrivateKey :: KeyPair -> PrivateKey Source #

Private key of a DSA Key pair