Crypto.PubKey.DSA

Documentation

type Params = (Integer, Integer, Integer)

Represent DSA parameters namely P, G, and Q.

type Signature = (Integer, Integer)

Represent a DSA signature namely R and S.

data PublicKey

Represent a DSA public key.

Constructors

PublicKey

Fields

public_params :: Params

DSA parameters

public_y :: Integer

DSA public Y

Instances

Eq PublicKey

Data PublicKey

Read PublicKey

Show PublicKey

Typeable PublicKey

data PrivateKey

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 :: Integer

DSA private X

Instances

Eq PrivateKey

Data PrivateKey

Read PrivateKey

Show PrivateKey

Typeable PrivateKey

signature primitive

sign :: CPRG g => g -> PrivateKey -> HashFunction -> ByteString -> (Signature, g)

sign message using the private key.

signWith

Arguments

:: Integer

k random number

-> PrivateKey

private key

-> HashFunction

hash function

-> ByteString

message to sign

-> Maybe Signature

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

verification primitive

verify :: HashFunction -> PublicKey -> Signature -> ByteString -> Bool

verify a bytestring using the public key.