1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
-- | Signature generation.
module Crypto.PubKey.ECC.Generate where
import Crypto.Random.Types
import Crypto.PubKey.ECC.Types
import Crypto.PubKey.ECC.ECDSA
import Crypto.Number.Generate
import Crypto.PubKey.ECC.Prim
-- | Generate Q given d.
--
-- /WARNING:/ Vulnerable to timing attacks.
generateQ :: Curve
-> Integer
-> Point
generateQ curve d = pointMul curve d g
where g = ecc_g $ common_curve curve
-- | Generate a pair of (private, public) key.
--
-- /WARNING:/ Vulnerable to timing attacks.
generate :: MonadRandom m
=> Curve -- ^ Elliptic Curve
-> m (PublicKey, PrivateKey)
generate curve = do
d <- generateBetween 1 (n - 1)
let q = generateQ curve d
return (PublicKey curve q, PrivateKey curve d)
where
n = ecc_n $ common_curve curve
|
