def rc4.go

bend-osdev-legacy-ciphers@0.1.0.0 · rc4.bend:150

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B

150def rc4.go(xs: List<&2, U32>, st: LcRc4State, acc: List<&2, U32>) -> LcRc4Run:
151  match xs:
152    case Nil{}:
153      LcRc4Run{st, rc4.rev_onto(acc, Nil{})}
154    case Con{x, t}:
155      +n = rc4.next(st)
156      rc4.go(t, rc4.step.st(n), Con{B.byte(U32.xor(x, rc4.step.k(n))), acc})