def mac
import bend-kit-jwt@0.11.0.1/jwt.bend as Jwtimport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
446def mac(+alg: String, +min: U32, k: Bytes.Bytes, input: Bytes.Bytes) -> IO(Result<&1, &1, Err, Bytes.Bytes>):
447 Bytes.Bytes{+kn, kb} = k
448 Bytes.Bytes{+dn, db} = input
449 mac.if(U32.is_lt(kn, min), alg, kn, kb, dn, db)