Hmac.le_of_len: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/mac/hmac.bend as Hmac
Lines 22-24 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/mac/hmac.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/mac/hmac.bend&start_line=22&end_line=24

import Base

def le_of_len(+xs: List<&2, U32>, +n: Nat, +k: Nat, +e: {List.length(&2, U32, xs) == n : Nat}, +h: {Nat.is_le(n, k) == True{} : Bool}) -> {Nat.is_le(List.length(&2, U32, xs), k) == True{} : Bool}:
  %Equal.sym(Nat, List.length(&2, U32, xs), n, e) : {Nat.is_le(_, k) == True{} : Bool}
  h

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32