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switching back role of G1/G2 

newly implemented Constantine feature allows us to use
G1 for authenticators and G2 for the PoS public key.

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
This commit is contained in:
Csaba Kiraly 2022-04-12 16:02:17 +02:00
parent 7d8f2f9944
commit ce566d2548
No known key found for this signature in database
GPG Key ID: 0FE274EE8C95166E
1 changed files with 8 additions and 8 deletions
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16
dagger/por/backends/backend_constantine.nim
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@ -42,17 +42,17 @@ const C = BLS12_381
type
ec_SecretKey* = SecretKey
ec_PublicKey* = PublicKey
ec_p1* = ECP_ShortW_Jac[Fp2[C], G2]
ec_p1_affine = ECP_ShortW_Aff[Fp2[C], G2]
ec_p2* = ECP_ShortW_Jac[Fp[C], G1]
ec_p2_affine = ECP_ShortW_Aff[Fp[C], G1]
ec_p1* = ECP_ShortW_Jac[Fp[C], G1]
ec_p1_affine = ECP_ShortW_Aff[Fp[C], G1]
ec_p2* = ECP_ShortW_Jac[Fp2[C], G2]
ec_p2_affine = ECP_ShortW_Aff[Fp2[C], G2]
ec_scalar* = matchingOrderBigInt(C)
ec_fr* = Fr[C]
ec_signature* = Signature
let
EC_G1* = C.getGenerator($G2)
EC_G2* = C.getGenerator($G1)
EC_G1* = C.getGenerator($G1)
EC_G2* = C.getGenerator($G2)
func ec_p1_from_affine*(dst: var ec_p1, a: ec_p1_affine) =
dst.fromAffine(a)
@ -107,7 +107,7 @@ func ec_fr_mul*(res: var Fr[C], a, b: Fr[C]) =
func ec_p1_on_curve*(p: ec_p1) : bool =
var aff : ec_p1_affine
aff.affine(p)
(bool) isOnCurve(aff.x, aff.y, G2)
(bool) isOnCurve(aff.x, aff.y, G1)
func ec_keygen*(ikm: array[32, byte], pk: var PublicKey, sk: var SecretKey) : bool =
# TODO: HKDF key generation as in spec (https://tools.ietf.org/html/draft-irtf-cfrg-bls-signature#section-2.3)
@ -146,7 +146,7 @@ proc verifyPairings*(a1: ec_p1, a2: ec_p2, b1: ec_p1, b2: ec_p2) : bool =
a2aff.affine(a2)
negb2aff.affine(b2)
negb2aff.neg(negb2aff)
gt.pairing([a2aff, negb2aff], [a1aff, b1aff])
gt.pairing([a1aff, b1aff], [a2aff, negb2aff])
return gt.isOne().bool()
func ec_from_bytes*(