Hmac.xor_pad: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/hmac.bend as Hmac
Lines 46-52 of bend-collections@1.0.0.0/spec/crypto/hmac.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/hmac.bend&start_line=46&end_line=52

import Base

# Byte-wise exclusive or of K0 with a pad byte (steps 4 and 7).
def xor_pad(ks: List<&2, U32>, +pad: U32) -> List<&2, U32>:
  match ks:
    case Nil{}:
      Nil{}
    case k <> rest:
      U32.xor(k, pad) <> xor_pad(rest, pad)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor