def Scalar.mul_add

bend-collections-laws-crypto@1.0.0.0 · spec/crypto/ed25519.bend:317

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/ed25519/scalar.bend as ESC

317def Scalar.mul_add(+one: Nat, +h1: {one == 1n : Nat}, +k: List<&2, U32>, +s: List<&2, U32>, +r: List<&2, U32>, +hk: {FS.tight(k) == True{} : Bool}, +hs: {FS.tight(s) == True{} : Bool}, +hr: {FS.tight(r) == True{} : Bool}, +hsl: {Nat.is_lt(FS.value(s), ell(one)) == True{} : Bool}, +hrl: {Nat.is_lt(FS.value(r), ell(one)) == True{} : Bool}) -> Type:
318  {FS.value(ESC.mul_add(k, s, r)) == Nat.mod(Nat.add(FS.value(r), Nat.mul(FS.value(k), FS.value(s))), ell(one)) : Nat}