Function hpke_kem::AuthEncap

source · [−]

pub fn AuthEncap(
    alg: KEM, 
    pkR: &PublicKey, 
    skS: &PrivateKey, 
    randomness: Randomness
) -> EncapResult

Expand description

def AuthEncap(pkR, skS):
  skE, pkE = GenerateKeyPair()
  dh = concat(DH(skE, pkR), DH(skS, pkR))
  enc = SerializePublicKey(pkE)

  pkRm = SerializePublicKey(pkR)
  pkSm = SerializePublicKey(pk(skS))
  kem_context = concat(enc, pkRm, pkSm)

  shared_secret = ExtractAndExpand(dh, kem_context)
  return shared_secret, enc