AESEnvelopeProof.aes_hex_mask_bytes_length: def of qasim-bend-kit@0.1.0.2
Import: import qasim-bend-kit@0.1.0.2/proof/AES_EnvelopeProof.bend as AESEnvelopeProof
Lines 663-671 of qasim-bend-kit@0.1.0.2/proof/AES_EnvelopeProof.bend: https://jend.leeeet.dev/read.txt?path=qasim-bend-kit@0.1.0.2/proof/AES_EnvelopeProof.bend&start_line=663&end_line=671

import Base

def aes_hex_mask_bytes_length(+bytes: List<&2, U32>) ->
    {List.length(&2, U32, aes_hex_mask_bytes(bytes)) ==
     List.length(&2, U32, bytes) : Nat}:
    match bytes:
        case Nil{}: {==}
        case byte <> tail:
            Equal.cong(Nat, Nat, n => 1n+n,
                List.length(&2, U32, aes_hex_mask_bytes(tail)),
                List.length(&2, U32, tail), aes_hex_mask_bytes_length(tail))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  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=U32
  https://jend.leeeet.dev/definition.txt?path=qasim-bend-kit@0.1.0.2/proof/AES_EnvelopeProof.bend&name=aes_hex_mask_bytes