Fix enum in HPKE test

Author: Legrandin

lib/Crypto/SelfTest/Protocol/test_HPKE.py

@@ -127,7 +127,7 @@ def test_neg_wrong_enc(self):
     def test_neg_wrong_aead(self):
         with self.assertRaises(ValueError) as cm:
             HPKE.new(receiver_key=self.key1.public_key(),
-                     aead_id=HPKE.AEAD.AES128_GCM + 100)
+                     aead_id=HPKE.AEAD(HPKE.AEAD.AES128_GCM + 100))
         self.assertIn("Unknown AEAD", str(cm.exception))
 
     def test_neg_unseal_wrong_ct(self):
@@ -461,7 +461,7 @@ def test_hpke_unseal(self):
                     psk = unhexlify(vector["psk_id"]), unhexlify(vector["psk"])
 
                 receiver_hpke = HPKE.new(receiver_key=receiver_priv,
-                                         aead_id=aead_id,
+                                         aead_id=HPKE.AEAD(aead_id),
                                          enc=encap_key,
                                          sender_key=sender_pub,
                                          psk=psk,