def Sign.reject_key
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/sign.bend as Signimport 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/sign.bend as SG
28def Sign.reject_key(+sk: List<&2, U32>, +msg: List<&2, U32>, +h: {FS.tight(sk) == False{} : Bool}) -> Type:
29 {SG.sign(sk, msg) == None{} : Maybe<&2, List<&2, U32>>}