Aria.LcAria.key: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/aria.bend as Aria
Lines 4604-4608 of bend-osdev-legacy-ciphers@0.1.0.0/aria.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/aria.bend&start_line=4604&end_line=4608

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L

# a key of 16, 24 or 32 bytes (ARIA-128, -192, -256, by its length)
def LcAria.key(o: B.Octets) -> Result<&2, &2, L.LcError, LcAriaKey>:
  +xs = B.Octets.to_list(o)
  +n = B.len(xs)
  aria.key.pick(Bool.or(Nat.is_eq(n, 16n), Bool.or(Nat.is_eq(n, 24n), Nat.is_eq(n, 32n))), Nat.is_eq(n, 16n), Nat.is_eq(n, 24n), n, xs)

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.to_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/aria.bend&name=LcAriaKey
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/aria.bend&name=aria.key.pick
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcError