def sign_reject_key

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/ed25519/proof.bend:161

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/x25519.bend as X
import bend-collections-laws-crypto@1.0.0.0/src/crypto/sign.bend as SG
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/sign.bend as SS

161def sign_reject_key(+sk: List<&2, U32>, +msg: List<&2, U32>, +h: {FS.tight(sk) == False{} : Bool}) -> SS.Sign.reject_key(sk, msg, h):
162  %Equal.sym(Bool, X.valid_bytes(32n, sk), FS.bytes_ok(32n, sk), valid_eq(32n, sk)) : {SG.sign_if(sk, msg, _) == None{} : Maybe<&2, List<&2, U32>>}
163  %Equal.sym(Bool, FS.tight(sk), False{}, h) : {SG.sign_if(sk, msg, _) == None{} : Maybe<&2, List<&2, U32>>}
164  {==}