def secret

bend-collections@1.0.0.0 · src/crypto/secp256k1/ecdsa.bend:135

import Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/bytes.bend as B

135# the secret key d, when 1 <= d < n
136def secret(+sk: List<&2, U32>) -> Maybe<&2, List<&2, Nat>>:
137  +d = B.of_be(sk)
138  secret_if(d, Bool.and(B.has_len(32n, sk), scalar_ok(d)))