def pbs_con

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/pow.bend:95

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend as L
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/limbs.bend as LM

95def pbs_con(+x: List<&2, U32>, +b: Bool, +bt: List<&2, Bool>, +acc: List<&2, U32>, +hx: {LM.okb(32n, x, 255n) == True{} : Bool}) -> {F.pow_bits(x, Con{b, bt}, acc) == F.pow_bits(x, bt, F.pow_bit(b, x, acc)) : List<&2, U32>}:
96  match x:
97    case Nil{}:
98      Empty.absurd({acc == F.pow_bits(Nil{}, bt, F.pow_bit(b, Nil{}, acc)) : List<&2, U32>}, L.false_true(hx))
99    case Con{h, t}:
100      {==}