def conv_val

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/mulw.bend:86

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend as FS
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/word.bend as WD
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/limbs.bend as LM
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/poly.bend as PL

86def conv_val(+one: Nat, +h1: {one == 1n : Nat}, +a: List<&2, U32>, +b: List<&2, U32>, +ha: {LM.okb(32n, a, 255n) == True{} : Bool}, +hb: {LM.okb(32n, b, 255n) == True{} : Bool}) -> {FS.value(F.conv(a, b)) == Nat.mul(FS.value(a), FS.value(b)) : Nat}:
87  +s8 = WD.sc(8n, one)
88  PL.conv_val(one, h1, a, b, s8, s8, lea8(one, h1, a, ha), lea8(one, h1, b, hb), conv_hc(one, h1, a, ha))