secret
    = 9ac312a7f877468ebe69422748ad00a1
      5443f18203a07d6060f688f30f21632b

key = HKDF-Expand-Label(secret, "quic key", "", 32)
    = c6d98ff3441c3fe1b2182094f69caa2e
      d4b716b65488960a7a984979fb23e1c8

iv  = HKDF-Expand-Label(secret, "quic iv", "", 12)
    = e0459b3474bdd0e44a41c144

hp  = HKDF-Expand-Label(secret, "quic hp", "", 32)
    = 25a282b9e82f06f21f488917a4fc8f1b
      73573685608597d0efcb076b0ab7a7a4

ku  = HKDF-Expand-Label(secret, "quic ku", "", 32)
    = 1223504755036d556342ee9361d25342
      1a826c9ecdf3c7148684b36b714881f9