def dif_v

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/secp256k1/penc.bend:99

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/field.bend as FS
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend as CV
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend as F
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/point.bend as P

99def dif_v(+one: Nat, +h1: {one == 1n : Nat}, +x: List<&2, Nat>, +y: List<&2, Nat>, ok: Bool) -> {mpv(one, P.decompress_if(x, y, ok)) == CV.decompress_if(FS.value(one, x), FS.value(one, y), ok) : Maybe<&2, CV.SPoint>}:
100  match ok:
101    case True{}:
102      %Equal.sym(Nat, FS.value(one, F.one()), 1n, one_v(one, h1)) : {Some{CV.SPoint{FS.value(one, x), FS.value(one, y), _}} == Some{CV.SPoint{FS.value(one, x), FS.value(one, y), 1n}} : Maybe<&2, CV.SPoint>}
103      {==}
104    case False{}:
105      {==}