{-# OPTIONS_GHC -fno-warn-incomplete-uni-patterns #-}
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
import qualified Data.ByteString as BS
import qualified Data.ByteString.Base16 as B16
import Control.DeepSeq
import qualified Crypto.Curve.Secp256k1 as S
import qualified Weigh as W
instance NFData S.Projective
instance NFData S.Affine
instance NFData S.ECDSA
instance NFData S.Context
big :: Integer
big = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed
tex :: S.Context
tex = S.precompute
-- note that 'weigh' doesn't work properly in a repl
main :: IO ()
main = W.mainWith $ do
remQ
parse_int256
add
mul
mul_unsafe
mul_wnaf
derive_pub
schnorr
ecdsa
ecdh
remQ :: W.Weigh ()
remQ = W.wgroup "remQ" $ do
W.func "remQ 2" S.remQ 2
W.func "remQ (2 ^ 255 - 19)" S.remQ big
parse_int256 :: W.Weigh ()
parse_int256 = W.wgroup "parse_int256" $ do
W.func' "parse_int256 (small)" S.parse_int256 (BS.replicate 32 0x00)
W.func' "parse_int256 (big)" S.parse_int256 (BS.replicate 32 0xFF)
add :: W.Weigh ()
add = W.wgroup " add" $ do
W.func "2 p (double, trivial projective point)" (S.add p) p
W.func "2 r (double, nontrivial projective point)" (S.add r) r
W.func "p + q (trivial projective points)" (S.add p) q
W.func "p + s (nontrivial mixed points)" (S.add p) s
W.func "s + r (nontrivial projective points)" (S.add s) r
mul :: W.Weigh ()
mul = W.wgroup "mul" $ do
W.func "2 G" (S.mul S._CURVE_G) 2
W.func "(2 ^ 255 - 19) G" (S.mul S._CURVE_G) big
mul_unsafe :: W.Weigh ()
mul_unsafe = W.wgroup "mul_unsafe" $ do
W.func "2 G" (S.mul_unsafe S._CURVE_G) 2
W.func "(2 ^ 255 - 19) G" (S.mul_unsafe S._CURVE_G) big
mul_wnaf :: W.Weigh ()
mul_wnaf = W.wgroup "mul_wnaf" $ do
W.value "precompute" S.precompute
W.func "2 G" (S.mul_wnaf tex) 2
W.func "(2 ^ 255 - 19) G" (S.mul_wnaf tex) big
derive_pub :: W.Weigh ()
derive_pub = W.wgroup "derive_pub" $ do
W.func "sk = 2" S.derive_pub 2
W.func "sk = 2 ^ 255 - 19" S.derive_pub big
W.func "wnaf, sk = 2" (S.derive_pub' tex) 2
W.func "wnaf, sk = 2 ^ 255 - 19" (S.derive_pub' tex) big
schnorr :: W.Weigh ()
schnorr = W.wgroup "schnorr" $ do
W.func "sign_schnorr (small)" (S.sign_schnorr 2 s_msg) s_aux
W.func "sign_schnorr (large)" (S.sign_schnorr big s_msg) s_aux
W.func "sign_schnorr' (small)" (S.sign_schnorr' tex 2 s_msg) s_aux
W.func "sign_schnorr' (large)" (S.sign_schnorr' tex big s_msg) s_aux
W.func "verify_schnorr" (S.verify_schnorr s_msg s_pk) s_sig
W.func "verify_schnorr'" (S.verify_schnorr' tex s_msg s_pk) s_sig
ecdsa :: W.Weigh ()
ecdsa = W.wgroup "ecdsa" $ do
W.func "sign_ecdsa (small)" (S.sign_ecdsa 2) s_msg
W.func "sign_ecdsa (large)" (S.sign_ecdsa big) s_msg
W.func "sign_ecdsa' (small)" (S.sign_ecdsa' tex 2) s_msg
W.func "sign_ecdsa' (large)" (S.sign_ecdsa' tex big) s_msg
W.func "verify_ecdsa" (S.verify_ecdsa msg pub) sig
W.func "verify_ecdsa'" (S.verify_ecdsa' tex msg pub) sig
where
pub = S.derive_pub big
msg = "i approve of this message"
sig = S.sign_ecdsa big s_msg
ecdh :: W.Weigh ()
ecdh = W.wgroup "ecdh" $ do
W.func "ecdh (small)" (S.ecdh pub) 2
W.func "ecdh (large)" (S.ecdh pub) b
where
b = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffed
Just pub = S.parse_point . B16.decodeLenient $
"bd02b9dfc8ef760708950bd972f2dc244893b61b6b46c3b19be1b2da7b034ac5"
s_sk :: Integer
s_sk = S.parse_int256 . B16.decodeLenient $
"B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF"
s_sig :: BS.ByteString
s_sig = B16.decodeLenient "6896BD60EEAE296DB48A229FF71DFE071BDE413E6D43F917DC8DCF8C78DE33418906D11AC976ABCCB20B091292BFF4EA897EFCB639EA871CFA95F6DE339E4B0A"
s_pk_raw :: BS.ByteString
s_pk_raw = B16.decodeLenient
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659"
s_pk :: S.Projective
s_pk = case S.parse_point s_pk_raw of
Nothing -> error "bang"
Just !pt -> pt
s_msg :: BS.ByteString
s_msg = B16.decodeLenient
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89"
s_aux :: BS.ByteString
s_aux = B16.decodeLenient
"0000000000000000000000000000000000000000000000000000000000000001"
p_bs :: BS.ByteString
p_bs = B16.decodeLenient
"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"
p :: S.Projective
p = case S.parse_point p_bs of
Nothing -> error "bang"
Just !pt -> pt
q_bs :: BS.ByteString
q_bs = B16.decodeLenient
"02f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f9"
q :: S.Projective
q = case S.parse_point q_bs of
Nothing -> error "bang"
Just !pt -> pt
r_bs :: BS.ByteString
r_bs = B16.decodeLenient
"03a2113cf152585d96791a42cdd78782757fbfb5c6b2c11b59857eb4f7fda0b0e8"
r :: S.Projective
r = case S.parse_point r_bs of
Nothing -> error "bang"
Just !pt -> pt
s_bs :: BS.ByteString
s_bs = B16.decodeLenient
"0306413898a49c93cccf3db6e9078c1b6a8e62568e4a4770e0d7d96792d1c580ad"
s :: S.Projective
s = case S.parse_point s_bs of
Nothing -> error "bang"
Just !pt -> pt